date:20100407

hi guys,

   I need a recommendation for searching with regards to timestamp 
foreign key attributes. Sounds
a bit too much but here's an example.

  Suppose we have a blog object. It has many attributes such as
- title
- content
- status_id
- created_at
- updated_at

  There are also status objects which have the following statuses,
new, edit,published,archived.
That's why the blog object has a foreign key, status_id.

Now, suppose I want to search for all blog objects that have been
created in the past 24 hours.
I would do

  new_blogs = Blog.all(:conditions = { :created_at = (Time.now -
24.hours) .. (Time.now) } )

Tested and that works just fine.

Suppose I would like to get all blog entries which are not of the
status of 'published' or 'archived'.
I would just make use of searchlogic in the following way:

new_blog_entries = Blog.searchlogic(:status_name_does_not_equal_all
= (['published', 'archived']) )
 OR
new_blog_entries = Blog.status_name_does_not_equal_any(['published',
'archived'])


Question:


Suppose I now want to get blog entries which
1) have been created within the last 24 hours
2) have a status other than published and archived.

Any recommendations for doing this?

I couldn't quite work out how to specify the status (as it's a foreign
key) to the Blog model in the :conditions
AND similarly, I could not quite work out how to specify the created
within the last 24 hours filter using searchlogic.

 I tried new_blog_entries =
Blog.status_name_does_not_equal_any(['published',
'archived'])_and_created_at((Time.now - 24.hours) .. (Time.now)) but
I got an ugly error of 
SyntaxError: (irb):42: syntax error, unexpected tIDENTIFIER, expecting
$end
...'published', 'archived'])_and_created_at((Time.now - 24.hours) ..
(Ti...
...   ^
from /usr/local/bin/irb:12:in `main'
 


Any ideas?
 thanks

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[Rails] Recommendation for searching with regards to timestamp foreign key attributes

Sorry guys, please replace 
new_blog_entries = Blog.status_name_does_not_equal_any(['published',
'archived'])


with 
new_blog_entries = Blog.status_name_does_not_equal_all(['published',
'archived'])


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[Rails] Re: has_many :through and named_scope

2010-04-07 Thread Sharagoz

user1.roles returns an array of roles.
The array class has a function include?(obj) that returns true or
false.

Something like this should work:
user1.roles.include?(Role.find_by_name('admin'))

Named scopes are not ment for stuff like this.
You can create a function on the user model is_admin? for the code
above. That way if how an admin is defined changes, you only need to
update the code in one place.

On Apr 7, 1:38 pm, Tom Mac li...@ruby-forum.com wrote:
 Hi
    I have the models roles, users and user_roles. The relationship among
 them is

 user.r
 ---
 user has_many user_roles
 user has_many roles, :through = :user_roles

 role.rb
 ===

 role has_many user_roles
 role has_many users, :through = :user_roles

 user_role.rb
 
 belongs_to :user
 belongs_to :role

      Suppose a login user1 has roles [admin, staff] And login user2 has
 only one role say [participant] Now how can I check the cases

 1)a login user is an admin or staff
 2) a login user has_role participant?

       And also I would like to know whether this can be written using
 named scopes.(I am totally new to named scopes)

 Thanks in advance
 Tom
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Re: [Rails] Recommendation for searching with regards to timestamp foreign key attributes

2010-04-07 Thread Franz Strebel

If you are using Rails 2.1 or greater, then named_scope would be very useful.

In your Blog model for example, you can specify a recent named_scope
to return all entries less than 24 hours old.

named_scope :recent, :conditions = [ created_at  ?, Time.now - 24.hours ]

and maybe another one for unpublished entries

# modify the conditions and include accordingly as I don't know enough about
# your models
named_scope :unpublished, :include = :status, :conditions =
statuses.status != 'published'

In your controllers then, you can do something like

@new_unpublished_entries = Blog.unpublished.recent

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Re: [Rails] Re: has_many :through and named_scope

2010-04-07 Thread Julian Leviston


Better off saying !roles.find_by_name(admin).blank?
Saves on SQL

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On 07/04/2010, at 11:40 PM, Sharagoz shara...@gmail.com wrote:


user1.roles returns an array of roles.
The array class has a function include?(obj) that returns true or
false.

Something like this should work:
user1.roles.include?(Role.find_by_name('admin'))

Named scopes are not ment for stuff like this.
You can create a function on the user model is_admin? for the code
above. That way if how an admin is defined changes, you only need to
update the code in one place.

On Apr 7, 1:38 pm, Tom Mac li...@ruby-forum.com wrote:

Hi
   I have the models roles, users and user_roles. The relationship  
among

them is

user.r
---
user has_many user_roles
user has_many roles, :through = :user_roles

role.rb
===

role has_many user_roles
role has_many users, :through = :user_roles

user_role.rb

belongs_to :user
belongs_to :role

 Suppose a login user1 has roles [admin, staff] And login user2  
has

only one role say [participant] Now how can I check the cases

1)a login user is an admin or staff
2) a login user has_role participant?

  And also I would like to know whether this can be written using
named scopes.(I am totally new to named scopes)

Thanks in advance
Tom
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Re: [Rails] Recommendation for searching with regards to timestamp foreign key attributes

bravo! I like the idea, Franz! Thank you :)

On 7 April 2010 23:44, Franz Strebel franz.stre...@gmail.com wrote:

If you are using Rails 2.1 or greater, then named_scope would be very
useful.

In your Blog model for example, you can specify a recent named_scope
to return all entries less than 24 hours old.

named_scope :recent, :conditions = [ created_at ?, Time.now - 24.hours
]

and maybe another one for unpublished entries

# modify the conditions and include accordingly as I don't know enough
about
# your models
named_scope :unpublished, :include = :status, :conditions =
statuses.status != 'published'

In your controllers then, you can do something like

@new_unpublished_entries = Blog.unpublished.recent

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[Rails] Re: weird dates problem

2010-04-07 Thread Sharagoz

With strptime you can specify the format:
Date.strptime(07.04.2010, %d.%m.%Y)

On Apr 7, 2:13 pm, Adam anlauf.a...@gmail.com wrote:
 I'll jutr try (for now) to make the dates by spliting the string and
 extracting every part of it and making a new Date obj. from those
 parts

 On 7 Kwi, 04:53, Adam anlauf.a...@gmail.com wrote:

  I've tried that too but stille get an argument error with invalid
  date, i've log the dates an they look fine (the format's ok) ;/
  Really hate this kind of errors

  On 7 Kwi, 03:47, AMILIN Aurélien aurelien.ami...@gmail.com wrote:

   Le 07/04/2010 12:41, Adam a crit :

sory for the long absence (holidays)

well the params[:to] is a date in this format 27.02.2010, but when i
try to log params[:to].to_date I get an error
NoMethodError( undefined method'[]' for nil:NilClass)

On 1 Kwi, 07:50, Colin Law clan...@googlemail.com wrote:

On 1 April 2010 15:36, Adam anlauf.a...@gmail.com wrote:

HI,
I have a pretty weird problems withdates.
my objective was to parse some text files and put them into a
database.

the lines of the file are divided with a | and some of the fields are
datesin this format dd.mm.
now in the parsing a get the system date to skip parsing elements in
the past
@date is the local date created with �...@date = Time.now.to_date
params[:to] is the string from the file with the date in above format
I did this with a simple

if params  ( params[:to].to_date    @date ) # nie parsujemy starych
cennikow
     Price.create_or_update params
end

on my local enviroment everything works fine but on the remote host i
get an invalid date ArgumentError

Catch the error in your code and log or display the params[:to] that
is causing it.  Then you will likely see the problem.  It is risky to
convert strings to date without checking validity and taking
appropriate action anyway.

Colin

ruby version on host
ruby 1.8.6 (2007-06-07 patchlevel 36) [i386-linux]
local
ruby 1.8.7 (2009-06-12 patchlevel 174) [i686-linux]

any ideas?
thanks in advance

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   Hi,

   Assuming params[:to] is a string like 31.12.2007
   you should try :

   Date.parse(params[:to])

   --
   Aur lien AMILIN

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[Rails] Re: Monitoring the changes in div tag

2010-04-07 Thread Robert Walker

Loganathan Ganesan wrote:
 You misunderstood the concept. Ya the div is updated by using :update 
 in the link_to_remote. I want something like observe_field to monitor 
 the changes happening in the div tag. Because we can also use 
 :complete to get to know the changes happened in the div
 
 But it is for only the particular session. Whereas in the observe_field, 
 it calls the appropriate action whenever changes happened in the 
 select tag. The ajax request will go for all the sessions.
 
 Incase of more than one session currently using my application, the link 
 clicked in the particular session only will get to use of the :complete.
 
 If any clarifications need revert back me.

I think you are misunderstanding how observe_fields works. It does not 
monitor changes in the DOM, rather it attaches event listeners to each 
individual form field.

Take a look at the list of events that are applicable to HTML elements. 
Notice there is no onchange event:
http://www.w3schools.com/jsref/dom_obj_all.asp

The onchange event is applicable to controls (text boxes, popup lists, 
checkboxes, etc.). The DOM itself doesn't change, rather it gets changed 
as a result of some other event.
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[Rails] Re: ReadOnly error keeps haunting the objects I want to update on a script (using script/runner)

Got the following from http://ar.rubyonrails.org (Active Record —
Object-relation mapping put on rails)


--- Start 
Direct manipulation (instead of service invocation)
So instead of (Hibernate example):
   long pkId = 1234;
   DomesticCat pk = (DomesticCat) sess.load( Cat.class, new
Long(pkId) );
   // something interesting involving a cat...
   sess.save(cat);
   sess.flush(); // force the SQL INSERT
Active Record lets you:
   pkId = 1234
   cat = Cat.find(pkId)
   # something even more interesting involving the same cat...
   cat.save
--- End 


I still do not know why my code fails to work when I use script/
runner

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[Rails] Re: please help; form_for passes nil

2010-04-07 Thread dirtbug

Fred,

Is this what you meant?  With Firebug open, I go to the form as a user
would, change the annotation hypothetical protein to hypothetical
proteinski, then click the update button.

In firebug, I see a new POST request.  I can examine it with any of
four Firebug tabs (Headers, Post, Response, HTML).  Using the post
tab, I see:

_method put
commit  Update
orf[current_annotation] hypothetical proteinski

Under the Request tab in Firebug, I can examine the Request header,
which is:

Hostandromeda.micro.umass.edu:8080
User-Agent  Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.5; en-US; rv:
1.9.1.9) Gecko/20100315 Firefox/3.5.9
Accept  text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language en-us,en;q=0.5
Accept-Encoding gzip,deflate
Accept-Charset  ISO-8859-1,utf-8;q=0.7,*;q=0.7
Keep-Alive  300
Connection  keep-alive
Referer http://andromeda.micro.umass.edu:8080/orves/1705/edit
Cookie  []; [];
__utma=198765611.347868135.1233253686.1269352816.1269440269.55;
__utmz=198765611.1269352816.54.21.utmccn=(organic)|utmcsr=google|
utmctr=umass+map|utmcmd=organic;
[_baby_session=BAh7BzoPc2Vzc2lvbl9pZCIlMTYxODY1MmVkZDMyOWU3MmJiNjAyM2ZiOTY5NmRmNTNJIgpmbGFzaAY6DWVuY29kaW5nIg1VUy1BU0NJSUlDOidBY3Rpb25Db250cm9sbGVyOjpGbGFzaDo6Rmxhc2hIYXNoewAGOgpAdXNlZHsA--
ee8a24f1c308ec43a2b838d45cdb58e9a777ed4c; []



On Apr 6, 5:56 pm, Frederick Cheung frederick.che...@gmail.com
wrote:
 On Apr 6, 8:30 pm, dirtbug nyoun...@gmail.com wrote:

  Colin,

  The log now shows:

  Processing OrvesController#update (for 128.119.60.171 at 2010-04-06
  14:48:28) [PUT]

 Have you had a look (with tcpdump, Firebug etc. ) at exactly what your
 form sends to the server?

 Fred

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Re: [Rails] ReadOnly error keeps haunting the objects I want to update on a script (using script/runner)

2010-04-07 Thread Franz Strebel

Your script seems to be in the body of the Blog model.

For what you're trying to do, I suggest that you create a class
method in Blog to publish entries e.g.

def self.publish_entries
  # your code goes here
end

which you can then invoke with Blog.publish_entries

Also, the way you are trying to do it is database intensive.
The initial search to get new entries is a hit on the db.  Then
each call to save will hit the db again.

I recommend looking up update_all in the Rails API

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Re: [Rails] Will rake db:migrate:down VERSION=XXX completely remove that migration from Rails?

2010-04-07 Thread Rick DeNatale

On Tue, Apr 6, 2010 at 11:29 PM, Ryan Waldron r...@erebor.com wrote:
 You'll also need to remove that migration's entry from the
 'schema_migrations' table.  That's how Rails keeps up with what
 migrations exist, and whether it's done them all.

Running rake db:migrate:down VERSION=XXX should remove the entry.

Otherwise rake db:migrate wouldn't run the migration again.  A normal
use case for migrate down is:

rake db:migrate

#oops something was wrong in migration 123456
rake db:migrate:down VERSION=123456
edit db/migrate/123456_whatever_it_does
rake db:migrate


 On Tue, Apr 6, 2010 at 10:10 PM, GoodGets goodg...@gmail.com wrote:
 What exactly does rake db:migrate:down VERSION=XXX do?  I understand
 that it runs the down migration, completely removing any columns/
 tables that migration may have created,

Well it does whatever YOU told it to in the down part of the
migration. It's up to you (or whatever you use to edit/generate the
migration) to write the correct code there.

I tend to use Textmate snippets from the rails bundle to do
migrations, and the table/column migration snippets will generate
'undo' code in the down migration when you expand them in the up
migration.  But YMMV depending on what tools you use.

 but does this mean that I can
 can delete these migration files as well?  I'd like for Rails to have
 no knowledge of their existence.  (I was allowing user profile pics
 with Paperclip, but have since decided to just use their Gravatars.)

 I know you can delete a migration, and even delete those columns from
 the schema, but Rails still remembers these changes and just updates
 them the next time you rake db:migrate.  So, I'd like to completely
 rid my app of a particular migration, is rake db:migrate:down then
 deleting that migration from the migrate folder the way to do it?

When you do rake db:migration  the rake task looks for migrations
under db/migrate which don't have entries in the schema_migrations
table, and runs those (actually I think it's a bit more subtle than
that, there's been discussion of a 'bug' which can make the task
ignore migrations with a timestamp older than the newest one in
schema_migrations, which can keep migrations merged from another
branch NOT to be run.  But...

If you run

rake db:migrate:down  version=XXX

and then remove the file db/migrate/XXX_whatever from your source, the
rake task won't see it and it will be gone.


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Re: [Rails] ReadOnly error keeps haunting the objects I want to update on a script (using script/runner)

H makes good sense. I will try it out and report.
Thank you, Franz :)


On 8 April 2010 00:35, Franz Strebel franz.stre...@gmail.com wrote:

 Your script seems to be in the body of the Blog model.

 For what you're trying to do, I suggest that you create a class
 method in Blog to publish entries e.g.

 def self.publish_entries
  # your code goes here
 end

 which you can then invoke with Blog.publish_entries

 Also, the way you are trying to do it is database intensive.
 The initial search to get new entries is a hit on the db.  Then
 each call to save will hit the db again.

 I recommend looking up update_all in the Rails API

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[Rails] no newline at end of partial view?

2010-04-07 Thread Jonathan Rochkind

I have a view partial that is used to render a small block of HTML
content.  Because of where it's going to be placed in the HTML, it's
important that it not begin or end with any HTML whitespace.

But making a sample view partial that contains nothing but a simple
string, just to test things out -- when rendered it seems to still end
with a newline, which is of course HTML whitespace. Even though there's
no newline in the html.erb file.

Is there any simple way to make a partial view render with no newline at
the end -- or the more general question, what I'm really after, with no
HTML whitespace at the start or end of the partial view content?

Thanks for any advice.
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[Rails] cumulative sum using mysql/rails

2010-04-07 Thread John Merlino

I'm having an issue generating a cumulative sum by month in rails. This
is what I have:

@results =  Student.connection.select_all(SELECT
   x1.MonthNo
 , x1.MonthName
 , x1.Added
 , SUM(x2.Added) AS RunningTotal
 FROM
 (
 SELECT
   MONTH(passed_on) AS MonthNo
 , MONTHNAME(passed_on) AS MonthName
 , COUNT(*) AS Added
 FROM students
 WHERE passed_on = '2009-09-23'
 GROUP BY MONTH(passed_on)
 ) AS x1
 INNER JOIN (
 SELECT
   MONTH(passed_on) AS MonthNo
 , MONTHNAME(passed_on) AS MonthName
 , COUNT(*) AS Added
 FROM students
 WHERE passed_on = '2009-09-23'
 GROUP BY MONTH(passed_on)
 ) AS x2
 ON x1.MonthNo = x2.MonthNo
 GROUP BY x1.MonthNo;)

@result =   @results.map{ |result| result[:RunningTotal] }

@result returns this:

[nil, nil]

even though @results returns this:

[{RunningTotal=1, MonthName=February, Added=1,
MonthNo=2}, {RunningTotal=11, MonthName=March,
Added=10, MonthNo=3}]

I would like @result to return this:
[1,11]

Any suggestions thanks?
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[Rails] Re: ReadOnly error keeps haunting the objects I want to update on a script (using script/runner)

2010-04-07 Thread Frederick Cheung



On Apr 7, 3:11 pm, ct9a anexi...@gmail.com wrote:

 I have written a script (which I will paste below).
 I seem to always get the error below which relates to
 ActiveRecord::ReadOnlyRecord when I try to save/update the object.

 projects/myApp/vendor/rails/activerecord/lib/active_record/base.rb:
 2867:in `create_or_update': ActiveRecord::ReadOnlyRecord
 (ActiveRecord::ReadOnlyRecord).

That happens if you do a find with a :joins option (unless you
override it by passing :readonly = false)

Fred

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[Rails] Re: Retrieve redirect URLs from an URL

2010-04-07 Thread Tom Pett

Rutvij Pandya wrote:
 Tom Pett wrote:
 Anyone got any advice on this situation?
 
 
 
 dude,
 
 do u require to perform any operation btw each redirect??
 
 Reply

Not really. I would just like a list of (chain) redirects to write in a 
database. I just want to extra all redirect information from an URL at 
any given time. Nothing has to be computed real time or during the 
redirects for my application.
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[Rails] Re: cumulative sum using mysql/rails

2010-04-07 Thread Frederick Cheung



On Apr 7, 3:48 pm, John Merlino li...@ruby-forum.com wrote:

 @result returns this:

 [nil, nil]

 even though @results returns this:

 [{RunningTotal=1, MonthName=February, Added=1,
 MonthNo=2}, {RunningTotal=11, MonthName=March,
 Added=10, MonthNo=3}]

 I would like @result to return this:
 [1,11]


 Any suggestions thanks?

Symbols and strings are not the same thing

Fred

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[Rails] Re: please help; form_for passes nil

2010-04-07 Thread dirtbug

Colin,
I added a create method. It seems to create a new object, but doesn't
store any content in the fields.

On Apr 6, 3:58 pm, Colin Law clan...@googlemail.com wrote:
 On 6 April 2010 20:30, dirtbug nyoun...@gmail.com wrote:

  Colin,

  The log now shows:

  Processing OrvesController#update (for 128.119.60.171 at 2010-04-06
  14:48:28) [PUT]
   Parameters: {orf=nil, commit=Update, id=1705}

 Well, amazing, after fixing multiple problems the fundamental issue
 remains unaffected!  Can anyone else see why the orf parameter is nil?

 I have always used
 %= f.text_field :field_name ...
 whereas I see you have
 %= f.text_field 'field_name'
 but I would be surprised if this were the problem.  The html looks ok.

 Does it work when creating a new orf record?

 Colin

    [4;36;1mOrf Columns (22.6ms) [0m    [0;1mSHOW FIELDS FROM
  `orves` [0m
    [4;35;1mOrf Load (0.9ms) [0m    [0mSELECT * FROM `orves` WHERE
  (`orves`.`id` = 1705)  [0m
    [4;36;1mSQL (0.2ms) [0m    [0;1mBEGIN [0m
    [4;35;1mSQL (0.3ms) [0m    [0mCOMMIT [0m
  Redirected to /orves/1705
  Completed in 49ms (DB: 25) | 302 Found [http://
  andromeda.micro.umass.edu/orves/1705]
    [4;36;1mSQL (0.4ms) [0m    [0;1mSET NAMES 'utf8' [0m
    [4;35;1mSQL (0.3ms) [0m    [0mSET SQL_AUTO_IS_NULL=0 [0m

  Processing OrvesController#show (for 128.119.60.171 at 2010-04-06
  14:48:28) [GET]
   Parameters: {id=1705}
    [4;36;1mOrf Columns (18.5ms) [0m    [0;1mSHOW FIELDS FROM
  `orves` [0m
    [4;35;1mOrf Load (0.9ms) [0m    [0mSELECT * FROM `orves` WHERE
  (`orves`.`id` = 1705)  [0m
  Rendering template within layouts/orves
  Rendering orves/show
  Completed in 96ms (View: 58, DB: 20) | 200 OK [http://
  andromeda.micro.umass.edu/orves/1705]

  On Apr 6, 3:02 pm, Colin Law clan...@googlemail.com wrote:
  On 6 April 2010 19:26, dirtbug nyoun...@gmail.com wrote:

   Colin,

   I added a layout file that had gone missing and now it validates.  The
   html;

  Well, that was a worthwhile exercise, even if it was not the cause of
  the problem.

   !DOCTYPE html PUBLIC -//W3C//DTD XHTML 1.0 Transitional//EN
         http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd;

   html xmlns=http://www.w3.org/1999/xhtml; xml:lang=en lang=en
   head
    meta http-equiv=content-type content=text/html;charset=UTF-8 /
    titleOrves: edit/title
    link href=/stylesheets/baby.css?1270578037 media=screen
   rel=stylesheet type=text/css /
   /head
   body

   p style=color: green/p

   h1Editing orf/h1

   form action=/orves/1705 class=edit_orf id=edit_orf_1705
   method=postdiv style=margin:0;padding:0input name=_method
   type=hidden value=put //div

    Gura_0317
    input id=orf_current_annotation name=orf[current_annotation]
   size=50 type=text value=hypothetical protein /
          input id=orf_submit name=commit type=submit value=Update 
   /
   /form

   /body
   /html

   And the validation report:

   HTML Validator
      0 errors, 0 warnings

   The validated page has no errors, no warning found by the SGML Parser
   and  HTML Tidy.

   But it still doesn't update the database.

  The other thing I asked a few mails ago was what is shown in the log
  when you click submit, now that you have corrected several problems.

  Colin

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[Rails] Re: cumulative sum using mysql/rails

2010-04-07 Thread John Merlino

Frederick Cheung wrote:
 On Apr 7, 3:48�pm, John Merlino li...@ruby-forum.com wrote:

 I would like @result to return this:
 [1,11]

 
 Any suggestions thanks?
 
 Symbols and strings are not the same thing
 
 Fred
 
  --

But even this:

@result =   @results.map{ |result| result['RunningTotal'] }

returns this:

[1, 11]

Which is not helping me either, because I believe I need something like 
this:
[1,11]
for the chart I'm using.
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[Rails] Re: cumulative sum using mysql/rails

2010-04-07 Thread John Merlino

Nevermind I figured it out. I just need to_i
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[Rails] count(*) in find :select returns a String? Why not Fixnum?

 clicks = Click.find(:all,:select=count(*) as count, date, :group=date)
= [#Click date: 2010-04-05, #Click date: 2010-04-06, #Click
date: 2010-04-07]

 clicks[0].count.class
= String

Should this return a String?  I would think it would surely be a Fixnum.
Am I crazy?  Is this a bug in rails?

Anyone know a way to get around this?  I need to make it a Fixnum or
Float using count(*) in find.  Casting it using to_i after the fact will
not work in my scenario.  I need to this to be correct when it returns
the clicks array.
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Re: [Rails] count(*) in find :select returns a String? Why not Fixnum?

2010-04-07 Thread Hassan Schroeder

On Wed, Apr 7, 2010 at 8:27 AM, Yanni Mac li...@ruby-forum.com wrote:
 clicks = Click.find(:all,:select=count(*) as count, date, :group=date)
 = [#Click date: 2010-04-05, #Click date: 2010-04-06, #Click
 date: 2010-04-07]

 clicks[0].count.class
 = String

 Should this return a String?  I would think it would surely be a Fixnum.
 Am I crazy?  Is this a bug in rails?

I believe 'clicks' is not what you think it is.

Try using `inspect` to examine clicks, clicks[0], etc.

-- 
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twitter: @hassan

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[Rails] Re: please help; form_for passes nil

2010-04-07 Thread dirtbug

When I did create, it did make an object and a row in the database
table.  When I go in thru mysql, I can see that it was able to fill
three fields:  id (which is an autoincrement field), the created_at
and updated_at fields, which got timestamps, but none of the info that
I had entered into the boxes in the form made it into the db.

On Apr 6, 3:58 pm, Colin Law clan...@googlemail.com wrote:
 On 6 April 2010 20:30, dirtbug nyoun...@gmail.com wrote:

  Colin,

  The log now shows:

  Processing OrvesController#update (for 128.119.60.171 at 2010-04-06
  14:48:28) [PUT]
   Parameters: {orf=nil, commit=Update, id=1705}

 Well, amazing, after fixing multiple problems the fundamental issue
 remains unaffected!  Can anyone else see why the orf parameter is nil?

 I have always used
 %= f.text_field :field_name ...
 whereas I see you have
 %= f.text_field 'field_name'
 but I would be surprised if this were the problem.  The html looks ok.

 Does it work when creating a new orf record?

 Colin

    [4;36;1mOrf Columns (22.6ms) [0m    [0;1mSHOW FIELDS FROM
  `orves` [0m
    [4;35;1mOrf Load (0.9ms) [0m    [0mSELECT * FROM `orves` WHERE
  (`orves`.`id` = 1705)  [0m
    [4;36;1mSQL (0.2ms) [0m    [0;1mBEGIN [0m
    [4;35;1mSQL (0.3ms) [0m    [0mCOMMIT [0m
  Redirected to /orves/1705
  Completed in 49ms (DB: 25) | 302 Found [http://
  andromeda.micro.umass.edu/orves/1705]
    [4;36;1mSQL (0.4ms) [0m    [0;1mSET NAMES 'utf8' [0m
    [4;35;1mSQL (0.3ms) [0m    [0mSET SQL_AUTO_IS_NULL=0 [0m

  Processing OrvesController#show (for 128.119.60.171 at 2010-04-06
  14:48:28) [GET]
   Parameters: {id=1705}
    [4;36;1mOrf Columns (18.5ms) [0m    [0;1mSHOW FIELDS FROM
  `orves` [0m
    [4;35;1mOrf Load (0.9ms) [0m    [0mSELECT * FROM `orves` WHERE
  (`orves`.`id` = 1705)  [0m
  Rendering template within layouts/orves
  Rendering orves/show
  Completed in 96ms (View: 58, DB: 20) | 200 OK [http://
  andromeda.micro.umass.edu/orves/1705]

  On Apr 6, 3:02 pm, Colin Law clan...@googlemail.com wrote:
  On 6 April 2010 19:26, dirtbug nyoun...@gmail.com wrote:

   Colin,

   I added a layout file that had gone missing and now it validates.  The
   html;

  Well, that was a worthwhile exercise, even if it was not the cause of
  the problem.

   !DOCTYPE html PUBLIC -//W3C//DTD XHTML 1.0 Transitional//EN
         http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd;

   html xmlns=http://www.w3.org/1999/xhtml; xml:lang=en lang=en
   head
    meta http-equiv=content-type content=text/html;charset=UTF-8 /
    titleOrves: edit/title
    link href=/stylesheets/baby.css?1270578037 media=screen
   rel=stylesheet type=text/css /
   /head
   body

   p style=color: green/p

   h1Editing orf/h1

   form action=/orves/1705 class=edit_orf id=edit_orf_1705
   method=postdiv style=margin:0;padding:0input name=_method
   type=hidden value=put //div

    Gura_0317
    input id=orf_current_annotation name=orf[current_annotation]
   size=50 type=text value=hypothetical protein /
          input id=orf_submit name=commit type=submit value=Update 
   /
   /form

   /body
   /html

   And the validation report:

   HTML Validator
      0 errors, 0 warnings

   The validated page has no errors, no warning found by the SGML Parser
   and  HTML Tidy.

   But it still doesn't update the database.

  The other thing I asked a few mails ago was what is shown in the log
  when you click submit, now that you have corrected several problems.

  Colin

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Re: [Rails] count(*) in find :select returns a String? Why not Fixnum?

On 7 April 2010 16:27, Yanni Mac li...@ruby-forum.com wrote:
 clicks = Click.find(:all,:select=count(*) as count, date, :group=date)
 = [#Click date: 2010-04-05, #Click date: 2010-04-06, #Click
 date: 2010-04-07]

 clicks[0].count.class
 = String

 Should this return a String?  I would think it would surely be a Fixnum.
 Am I crazy?  Is this a bug in rails?

 Anyone know a way to get around this?  I need to make it a Fixnum or
 Float using count(*) in find.  Casting it using to_i after the fact will
 not work in my scenario.  I need to this to be correct when it returns
 the clicks array.

Create a method that returns what you want (by manipulating the string
however is needed). particularly if you are likely to ever to need
this number in two places in the code - abstract it to stay DRY:

# your model
def click_count
  Click.find(:all,:select=count(*) as count, date,
:group=date).first.count.to_i
end

# or on the Click model
def self.click_count
  Click.find(:all,:select=count(*) as count, date,
:group=date).first.count.to_i
end

so you can use your_model.click_count, or Click.click_count and be
returned an integer.


But would you not be better using the AR Model.count method rather
than changing the select condition of .find?
http://api.rubyonrails.org/classes/ActiveRecord/Calculations/ClassMethods.html#M002187

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[Rails] Re: count(*) in find :select returns a String? Why not Fixnum?

Hassan, thanks for quick the reply.

I am not really sure what you mean by this, though.  The above example 
shows that clicks returns an array of clicks.  I am just taking the 
first click object and seeing what data type it is using .class

Here is a closer look at the first object in the array.  As you can see, 
Rails converted count(*) as count to a String.

 clicks[0].attributes
= {date=Mon, 05 Apr 2010, count=1}

Maybe this is a MySQL issue.. I am testing right now to see what the 
data type of count(*) is from mysql.
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[Rails] Re: count(*) in find :select returns a String? Why not Fixnum?

 # your model
 def click_count
   Click.find(:all,:select=count(*) as count, date,
 :group=date).first.count.to_i
 end
 
 # or on the Click model
 def self.click_count
   Click.find(:all,:select=count(*) as count, date,
 :group=date).first.count.to_i
 end
 
 so you can use your_model.click_count, or Click.click_count and be
 returned an integer.
 
Michael, thanks for the reply.

Getting the first row click count does not really help since I am 
grouping by date.  This find statement will return many rows.

Example:
Date | Count
jan 1, 5
jan 2, 6
jan 3, 2

I could iterate thru each date and perform the find count, but that is 
extremely inefficient.
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Re: [Rails] Re: count(*) in find :select returns a String? Why not Fixnum?

On 7 April 2010 16:58, Yanni Mac li...@ruby-forum.com wrote:
 Getting the first row click count does not really help since I am
 grouping by date.  This find statement will return many rows.

 Example:
 Date | Count
 jan 1, 5
 jan 2, 6
 jan 3, 2

 I could iterate thru each date and perform the find count, but that is
 extremely inefficient.

Ah! Sorry... missed that.

Just a thought... can you be sneaky and add an accessor method to Click?

# Click model
def count
  read_attribute(:count).to_i rescue nil
end


No idea if it'll work... maybe worth a bash...

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[Rails] Re: count(*) in find :select returns a String? Why not Fixnum?

I am also not crazy about using Model.count, because it just returns an 
ordered hash.  Some of my code is dependant on using AR classes when 
manipulating this data set... might just have to deal with it though and 
code a workaround.
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[Rails] Re: no newline at end of partial view?

2010-04-07 Thread Jeff

On Apr 7, 9:43 am, Jonathan Rochkind li...@ruby-forum.com wrote:
 I have a view partial that is used to render a small block of HTML
 content.  Because of where it's going to be placed in the HTML, it's
 important that it not begin or end with any HTML whitespace.

 But making a sample view partial that contains nothing but a simple
 string, just to test things out -- when rendered it seems to still end
 with a newline, which is of course HTML whitespace. Even though there's
 no newline in the html.erb file.

 Is there any simple way to make a partial view render with no newline at
 the end -- or the more general question, what I'm really after, with no
 HTML whitespace at the start or end of the partial view content?

My (wild) guess is that it's actually your ERB tag that's adding the
newline.

You can use a minus sign as part of the closing ERB tag to indicate
that you don't want the newline:

%= render :partial = 'blah' -%

Maybe this will help?

Jeff

purpleworkshops.com

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[Rails] Re: Re: count(*) in find :select returns a String? Why not Fixnum?

Michael Pavling wrote:
 On 7 April 2010 16:58, Yanni Mac li...@ruby-forum.com wrote:
 extremely inefficient.
 Ah! Sorry... missed that.
 
 Just a thought... can you be sneaky and add an accessor method to Click?
 
 # Click model
 def count
   read_attribute(:count).to_i rescue nil
 end
 
 
 No idea if it'll work... maybe worth a bash...

Thanks Michael, that got me thinking!  This is a hack, but it still 
works for me because I can call it on one line.  I am developing a 
reporting system where I convert an ActiveRecord object list to a table, 
so I really wanted to avoid hard coding something in each class.  This 
allows me to create my list on one line and then pass it to my 
conversion method.

 Click.find(:all,:select=count(*) as click_count, date, 
:group=date).each{|c|c.click_count = c.click_count.to_i}

I still want to figure out why count(*) does not return a number data 
type, but this will work for now.
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[Rails] select an existing item or create a new one

2010-04-07 Thread keavy

I have a form that manages a few models, using
accepts_nested_attributes_for

The new event form passes params like so:
event={
   name=,
   happenings_attributes={
 0={
   location_attributes={
 city=,
 country=,
 state=
},
location_id=26}
}
 }

It all works fine, except I'd like to add a choice of selecting an
existing location, or entering values for a new one to be created.

I might be going brain dead - I imagine this is a common thing to do -
like selecting an existing address or creating new one on an e-
commerce site, but alas I've never done it and can't seem to find
relevant search results.


Things I've tried:
---
# option 1: remove the location_attributes at the controller level, if
an existing location_id is passed

If so, this is the snippet of code I'm using in a before_filter on the
create action:
 params[:event][:happenings_attributes].each do |h|
   unless h[1][location_id].blank?
 h[1].delete(location_attributes)
   end
 end

- which goes ignored and the validations for creating a new location
are triggered.



I got to the h[1] level by playing around in console like so:
 params = {
  event={
name=,
happenings_attributes={
  0={
start_at = '2010-03-02',
location_attributes={
  city=,
  country=,
  state=
 },
 location_id=26}
 }
  }
 }
  params['event']['happenings_attributes'].each do |h|
 ? puts h.class
  end
 Array
 = {0={location_attributes={city=, country=,
state=}, start_at=2010-03-02, location_id=26}}
  params['event']['happenings_attributes'].each do |h|
 ? puts h[1][location_id]
  puts h[1][location_attributes]
  end
 26
 citycountrystate


 

 # option 2: remove the location_attributes at the model level

 # Happening model
 before_validation :check_new_or_existing_location

 def check_new_or_existing_location
   if !location_id.blank?
 location_attributes= nil
   end
 end

  


 Any suggestions appreciated :)

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Re: [Rails] Re: Re: count(*) in find :select returns a String? Why not Fixnum?

On 7 April 2010 17:16, Yanni Mac li...@ruby-forum.com wrote:
 Thanks Michael, that got me thinking!

  Click.find(:all,:select=count(*) as click_count, date,
 :group=date).each{|c|c.click_count = c.click_count.to_i}


You should still look to putting that code in a method somewhere to
avoid duplication.
YMMV

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Re: [Rails] Re: Re: count(*) in find :select returns a String? Why not Fixnum?

2010-04-07 Thread Andy Jeffries


 I still want to figure out why count(*) does not return a number data
 type, but this will work for now.


The answer's quite straight forward - because Rails doesn't work that way.

The typecasting for a MySQL attribute to a Ruby class is done in the
read_attribute method in
the activerecord/lib/active_record/attribute_methods.rb file. In that method
you can see they only typecast the value if column_for_attribute returns the
column (i.e. if it's defined in the schema for the table).

So, your dynamically created column is not in the schema, so it won't be
typecast to an integer.

Cheers,


Andy

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[Rails] array containing fields to display on multiple pages

2010-04-07 Thread ES

I would like to have an array saving fields to display for an object
that is used for it's form on multiple pages.

I have declared the array in each of the controller methods that would
use it.  for example,

  def new
@echantillon = Echantillon.new

   @new_ech_columns = Array.new

  @new_ech_columns = [
  [Brut,brut],
 [Disponibilite,availability],
 [numero d'inventaire de l'oeuvre,inv],
 [denomination,name],
 [numero du laboratoire,oeuvre_work_number],
 [type d'echantillon,echantillont

etc

and also in

  def edit

  @new_ech_columns = Array.new

  @new_ech_columns = [
 [Brut,brut],
 [Disponibilite,availability],
 [numero d'inventaire de l'oeuvre,inv],
 [denomination,name],
 [numero du laboratoire,oeuvre_work_number],
 [type d'echantillon,echantillon

 etc.


and in other methods.  Where can I put the array so that I only have
to define it once and then use it repeatedly on different pages?

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Re: [Rails] Re: count(*) in find :select returns a String? Why not Fixnum?

On 7 April 2010 17:03, Michael Pavling pavl...@gmail.com wrote:
 Just a thought... can you be sneaky and add an accessor method to Click?

 # Click model
 def count
  read_attribute(:count).to_i rescue nil
 end

 No idea if it'll work... maybe worth a bash...

FYI: This does work. Just tried it here and I get integers returned.
No need to do the extra iteration of each result.

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[Rails] Re: Prototype/script-atulo-us guidance needed, I think.

2010-04-07 Thread RichardOnRails

Last night, Ed from the B'more on Rails meetup group gave me the key
idea: use ActiveRecord::Observer.  So I'm working on doing that.  If
you post any details about how to do that before I figure it out from
the documentation,  I'd appreciate any such feedback.
--
Richard

On Apr 6, 3:47 pm, RichardOnRails
richarddummymailbox58...@uscomputergurus.com wrote:
 Hi,

 I’ve got an app\views\expenses\new.html.erb file displayed 
 athttp://www.pastie.org/906145.
 Q1: Lines 22-26, repeated here create a drop-down list of “vendor
 names” in true Ajax fashion: they push all lower-positioned items
 south to make room for the vendor names being created. I’d rather
 cover the lower items while the drop-down is visible, and restore the
 covered item when the drop-down closes.

 22:     div id=vendor_droplist style=display:none
 23:       %= select_tag list,
 24:         options_for_select(@current_vendors),
 25:         :multiple = true %
 26:     /div

 I tried to modify line 25 to:
 25:         :multiple = true, :z-index = 2  %
 but that and other forms yielded syntax-error responses.

 Q2:. I generated the content of @current_vendors with code in line 14:
 14:    % @current_vendors = Vendor.find(:all).collect { |vendor|
 vendor.nickname } %

 I’d like to each current_vendors item to be a button whose:
 (i)     toString method was invoked by options_for_select for presentation
 purposes; and
 (ii)    onClick method invoke a specified function that:
     a.  copied the nickname in the drop-down to another text-box; and
     b.  invoked the toggle routine on the drop-down structure (the
 toggling currently works).

 I poked around in books and online for an example of this kind of
 thing,  but to no avail thus far.  Any suggestions on where to look or
 how to implement this functionality.

 Thanks in Advance,
 Richard

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[Rails] Re: no newline at end of partial view?

2010-04-07 Thread Jonathan Rochkind

Jeff Cohen wrote:
 My (wild) guess is that it's actually your ERB tag that's adding the
 newline.
 
 You can use a minus sign as part of the closing ERB tag to indicate
 that you don't want the newline:
 
 %= render :partial = 'blah' -%

Aha, good point! I think you're right.

In general, for very white-space-dependent ERB partials, I'm finding it 
tricky to get the white space right. Are there any special tricks people 
have in general for controlling whitespace while still leaving readable 
views, other than %- and -%.  I know about those. But even with those, 
I'm finding I have to jam html tags together in order to get the 
whitespace I want.

Hmm, I just thought of one. Instead of an actual literal:

div
   content
/div

in the html, which leaves no good way to control output whitespace 
without also making the HTML kind of hard to read, I could use:

%- tag(div) do -%
   %- content -%
%- end -%

Which lets me exercize complete control of whitespace supression without 
actually having to eliminate it in my source.  Does that make any sense, 
or is it completely ridiculous?  It's still kind of hard to read, but in 
deeply nested html, still not as hard to read as divlots of 
stuffdivmore stuffspanmore stuff/spanstuff/div/div all jammed 
together without whitespace, because I don't want any whitespace in the 
output.
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[Rails] Re: Re: Re: Re: I18n retuns empty string?

2010-04-07 Thread Heinz Strunk

I figured out that there's a problem with the .yml file. When I remove 
my yml file everything works just fine but when I add my .yml file with 
my customized language strings like:
de-DE:
  time:
formats:
  default: %A, %e. %B %Y, %H:%M Uhr

It returns an empty string. I just can't find anything wrong with that 
default: ?
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Re: [Rails] Re: no newline at end of partial view?

2010-04-07 Thread David Moreno

On Wed, Apr 7, 2010 at 12:09 PM, Jeff cohen.j...@gmail.com wrote:

 My (wild) guess is that it's actually your ERB tag that's adding the
 newline.

 You can use a minus sign as part of the closing ERB tag to indicate
 that you don't want the newline:

 %= render :partial = 'blah' -%


Where is this kind of erb tags behavior documented? I was looking for it the
other day and I failed at Google.

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[Rails] Re: want to get one-by-one error message

2010-04-07 Thread Rutvij Pandya

 
 That sounds worse for the user, they have to submit each time only to be
 told hang on, there's something else wrong - I knew about it before but
 you're too stupid to be told more than one thing at a time.
 
-

dear Andy,

Thanks for your help... I too know it's stupidity to show one-by-one 
message

but while you work as developer you need to follow requirements given by 
client  that 's strictly professional in big industry...

Regards
Rutvij

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[Rails] Re: Will rake db:migrate:down VERSION=XXX completely remove that migration from Rails?

2010-04-07 Thread GoodGets

So as long as I rake db:migrate:down and delete the migration file
from my local machine, the production database on the server when it
does go live (I haven't launched the app yet) will have no knowledge
of this migration having ever existed, right?

because that's all I really care about, and I believe this is true, at
least from from my understanding now

Thank you again Ryan


On Apr 6, 11:53 pm, Ryan Waldron r...@erebor.com wrote:
 It is in whatever database your app is using.  Rails creates and
 maintains it for you.  So if your production database is 'foo_prod',
 there would be a 'schema_migrations' table there, as well as in your
 'foo_dev' development database.

 I don't know of a simple way to remove that row without firing up your
 database itself (MySQL or whatever).



 On Tue, Apr 6, 2010 at 10:43 PM, GoodGets goodg...@gmail.com wrote:
  Thanks Ryan

  and, I hope this isn't too stupid of a question, but where is this
  'schema_migrations' table?

  On Apr 6, 11:29 pm, Ryan Waldron r...@erebor.com wrote:
  You'll also need to remove that migration's entry from the
  'schema_migrations' table.  That's how Rails keeps up with what
  migrations exist, and whether it's done them all.

  On Tue, Apr 6, 2010 at 10:10 PM, GoodGets goodg...@gmail.com wrote:
   What exactly does rake db:migrate:down VERSION=XXX do?  I understand
   that it runs the down migration, completely removing any columns/
   tables that migration may have created, but does this mean that I can
   can delete these migration files as well?  I'd like for Rails to have
   no knowledge of their existence.  (I was allowing user profile pics
   with Paperclip, but have since decided to just use their Gravatars.)

   I know you can delete a migration, and even delete those columns from
   the schema, but Rails still remembers these changes and just updates
   them the next time you rake db:migrate.  So, I'd like to completely
   rid my app of a particular migration, is rake db:migrate:down then
   deleting that migration from the migrate folder the way to do it?

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[Rails] Re: Will rake db:migrate:down VERSION=XXX completely remove that migration from Rails?

2010-04-07 Thread GoodGets

Wow.
Thank you Rick.  Very nice explanation.
Yeah, I dropped the columns by raking 'down' and have also deleted
that migration, so I think I'm good to go now.  Also, I don't use
textmate, but yeah, I made sure that the down migration removed all
the columns the up created.

Thank you again Mr. Rick


On Apr 7, 10:36 am, Rick DeNatale rick.denat...@gmail.com wrote:
 On Tue, Apr 6, 2010 at 11:29 PM, Ryan Waldron r...@erebor.com wrote:
  You'll also need to remove that migration's entry from the
  'schema_migrations' table.  That's how Rails keeps up with what
  migrations exist, and whether it's done them all.

 Running rake db:migrate:down VERSION=XXX should remove the entry.

 Otherwise rake db:migrate wouldn't run the migration again.  A normal
 use case for migrate down is:

 rake db:migrate

 #oops something was wrong in migration 123456
 rake db:migrate:down VERSION=123456
 edit db/migrate/123456_whatever_it_does
 rake db:migrate

  On Tue, Apr 6, 2010 at 10:10 PM, GoodGets goodg...@gmail.com wrote:
  What exactly does rake db:migrate:down VERSION=XXX do?  I understand
  that it runs the down migration, completely removing any columns/
  tables that migration may have created,

 Well it does whatever YOU told it to in the down part of the
 migration. It's up to you (or whatever you use to edit/generate the
 migration) to write the correct code there.

 I tend to use Textmate snippets from the rails bundle to do
 migrations, and the table/column migration snippets will generate
 'undo' code in the down migration when you expand them in the up
 migration.  But YMMV depending on what tools you use.

  but does this mean that I can
  can delete these migration files as well?  I'd like for Rails to have
  no knowledge of their existence.  (I was allowing user profile pics
  with Paperclip, but have since decided to just use their Gravatars.)
  I know you can delete a migration, and even delete those columns from
  the schema, but Rails still remembers these changes and just updates
  them the next time you rake db:migrate.  So, I'd like to completely
  rid my app of a particular migration, is rake db:migrate:down then
  deleting that migration from the migrate folder the way to do it?

 When you do rake db:migration  the rake task looks for migrations
 under db/migrate which don't have entries in the schema_migrations
 table, and runs those (actually I think it's a bit more subtle than
 that, there's been discussion of a 'bug' which can make the task
 ignore migrations with a timestamp older than the newest one in
 schema_migrations, which can keep migrations merged from another
 branch NOT to be run.  But...

 If you run

 rake db:migrate:down  version=XXX

 and then remove the file db/migrate/XXX_whatever from your source, the
 rake task won't see it and it will be gone.

 --
 Rick DeNatale

 Blog:http://talklikeaduck.denhaven2.com/
 Github:http://github.com/rubyredrick
 Twitter: @RickDeNatale
 WWR:http://www.workingwithrails.com/person/9021-rick-denatale
 LinkedIn:http://www.linkedin.com/in/rickdenatale

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[Rails] Re: unknown attribute: version (nested forms)

2010-04-07 Thread oren

I already have this:

has_many :versions, :dependent = :destroy
accepts_nested_attributes_for :versions


On Apr 7, 11:15 am, Nicolas Iensen nicolas.ien...@gmail.com wrote:
 Hi Oren,

 Try this accepts_nested_attributes_for :versions in the location.rb
 file.

 Cheers!

 On Apr 7, 1:30 am, oren orengo...@gmail.com wrote:

   ActiveRecord::UnknownAttributeError in LocationsController#update

  unknown attribute: version

  RAILS_ROOT: /home/oren/misc/projects/borderstylo/content

  /opt/ruby-1.8.7-p72/lib/ruby/gems/1.8/gems/activerecord-2.3.5/lib/
  active_record/base.rb:2746:in `attributes='
  /opt/ruby-1.8.7-p72/lib/ruby/gems/1.8/gems/activerecord-2.3.5/lib/
  active_record/base.rb:2742:in `each'
  /opt/ruby-1.8.7-p72/lib/ruby/gems/1.8/gems/activerecord-2.3.5/lib/
  active_record/base.rb:2742:in `attributes='
  /opt/ruby-1.8.7-p72/lib/ruby/gems/1.8/gems/activerecord-2.3.5/lib/
  active_record/base.rb:2628:in `update_attributes'
  /home/oren/misc/projects/borderstylo/content/app/controllers/
  locations_controller.rb:29:in `update'

  On Apr 7, 3:31 am, Ryan Waldron r...@erebor.com wrote:

   Where's the error message?

   On Tue, Apr 6, 2010 at 8:49 PM, oren orengo...@gmail.com wrote:
I try to update a nested model (version) and get this error.  any tips
would be great!

my models: location has_many :versions

# view

 % form_for location do |location_form| %
   ul class=location
     li%= location_form.label location.section %/li
     li%= location_form.label location.sub_section %/li
     li%= location_form.label location.place_holder %/li
   /ul

   div class=content-area
      % location.versions.each do |version| %
         div class=content 
           % location_form.fields_for version do |version_form| %
             %= version_form.label version.environment %
             %= version_form.text_area :content %
           % end %
         /div
     % end %
     %= submit_tag %
   /div

 % end %

#controller

 def update
  �...@location = Location.find(params[:id])
  �...@location.update_attributes(params[:location]) #error: unknown
attribute: version
   redirect_to( locations_path )
 end

# the params

{location={version={content=hello human. glass robot want
you to join Glass}}, commit=Save changes,
authenticity_token=l59NxAeIeHnvaVt+1xQV2e9NpDIS8nPpQ4RY+hU0k7w=,
id=2}

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[Rails] Re: unknown attribute: version (nested forms)

2010-04-07 Thread oren

I use version and not :vorsion here: (since i believe i need to
provide an object)
location_form.fields_for version do |version_form|

could it be related to the issue?


On Apr 7, 6:17 pm, oren orengo...@gmail.com wrote:
 I already have this:

 has_many :versions, :dependent = :destroy
 accepts_nested_attributes_for :versions

 On Apr 7, 11:15 am, Nicolas Iensen nicolas.ien...@gmail.com wrote:

  Hi Oren,

  Try this accepts_nested_attributes_for :versions in the location.rb
  file.

  Cheers!

  On Apr 7, 1:30 am, oren orengo...@gmail.com wrote:

    ActiveRecord::UnknownAttributeError in LocationsController#update

   unknown attribute: version

   RAILS_ROOT: /home/oren/misc/projects/borderstylo/content

   /opt/ruby-1.8.7-p72/lib/ruby/gems/1.8/gems/activerecord-2.3.5/lib/
   active_record/base.rb:2746:in `attributes='
   /opt/ruby-1.8.7-p72/lib/ruby/gems/1.8/gems/activerecord-2.3.5/lib/
   active_record/base.rb:2742:in `each'
   /opt/ruby-1.8.7-p72/lib/ruby/gems/1.8/gems/activerecord-2.3.5/lib/
   active_record/base.rb:2742:in `attributes='
   /opt/ruby-1.8.7-p72/lib/ruby/gems/1.8/gems/activerecord-2.3.5/lib/
   active_record/base.rb:2628:in `update_attributes'
   /home/oren/misc/projects/borderstylo/content/app/controllers/
   locations_controller.rb:29:in `update'

   On Apr 7, 3:31 am, Ryan Waldron r...@erebor.com wrote:

Where's the error message?

On Tue, Apr 6, 2010 at 8:49 PM, oren orengo...@gmail.com wrote:
 I try to update a nested model (version) and get this error.  any tips
 would be great!

 my models: location has_many :versions

 # view

  % form_for location do |location_form| %
    ul class=location
      li%= location_form.label location.section %/li
      li%= location_form.label location.sub_section %/li
      li%= location_form.label location.place_holder %/li
    /ul

    div class=content-area
       % location.versions.each do |version| %
          div class=content 
            % location_form.fields_for version do |version_form| %
              %= version_form.label version.environment %
              %= version_form.text_area :content %
            % end %
          /div
      % end %
      %= submit_tag %
    /div

  % end %

 #controller

  def update
   �...@location = Location.find(params[:id])
   �...@location.update_attributes(params[:location]) #error: unknown
 attribute: version
    redirect_to( locations_path )
  end

 # the params

 {location={version={content=hello human. glass robot want
 you to join Glass}}, commit=Save changes,
 authenticity_token=l59NxAeIeHnvaVt+1xQV2e9NpDIS8nPpQ4RY+hU0k7w=,
 id=2}

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[Rails] Need help with ActiveWarehouse-ETL-0.9.1 PG connection problem

2010-04-07 Thread byrnejb

I am trying to load conversion data into a postgresql database using
activewarehouse-etl.  I can create a flat file output from the
conversion data without problem.  However, when I try to load into the
table using the information contained in config/database.yml I see
this error:

/usr/lib64/ruby/gems/1.8/gems/activerecord-2.3.5/lib/active_record/
base.rb:1959:in `method_missing': undefined method
`postgresql_connection' for #Class:0x2ad8c8e90428 (NoMethodError)

Can anyone hazard a guess as to what this means, what might be causing
it and how I might fix it?  The only reference to
`postgresql_connection' that I can find in AR-2.3.5 is this:

# activerecord-2.3.5/lib/active_record/connection_adapters/
postgresql_adapter.rb

module ActiveRecord
  class Base
# Establishes a connection to the database that's used by all
Active Record objects
def self.postgresql_connection(config) # :nodoc:
  config = config.symbolize_keys
  host = config[:host]
  port = config[:port] || 5432
  username = config[:username].to_s if config[:username]
  password = config[:password].to_s if config[:password]
.  .  .

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[Rails] OT: Country - (State) - City/Town (XML/JSON)

2010-04-07 Thread Ants Pants

Does anyone know where I can find Country - (State) - City/Town data in
easy to read format (XML/JSON)?

I need it for my application and would like a good base of
countries/states/towns/cities before I start asking users to add missing
information.

Regards

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Re: [Rails] Re: want to get one-by-one error message

2010-04-07 Thread Andy Jeffries


 dear Andy,

 Thanks for your help... I too know it's stupidity to show one-by-one
 message

 but while you work as developer you need to follow requirements given by
 client  that 's strictly professional in big industry...


I agree, I've had to do some daft things for a client (that I'm still
working with) that have nearly caused me to be laughed out of IRC
channels...

Hopefully the message also gave you ideas for a solution.

Cheers,


Andy

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[Rails] Re: count(*) in find :select returns a String? Why not Fixnum?

2010-04-07 Thread g_f

You might want to try an after_find() or after_initialize() filter for
ActiveRecord. If I remember right they'll let you coerce the value to
an integer before the object gets returned to the calling code.

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[Rails] Re: select an existing item or create a new one

2010-04-07 Thread g_f

It sounds like you are looking for something like ActiveRecord's
find_or_create_by...() or find_or_initialize_by...() methods.

You might look into Dynamic attribute-based finders on
http://api.rubyonrails.org/classes/ActiveRecord/Base.html

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[Rails] best file uploader?

Hey guys

I'm asking for your opinion on the best file uploader plugin/gem for
ruby on rails.

Acts as attachment? File column plugin? Fleximage? others?

What do you guys think? Whats your favorite, which one should i use?
Thanks

-David

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Re: [Rails] best file uploader?

2010-04-07 Thread Steve Klabnik

Paperclip is really good stuff.

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[Rails] Re: select an existing item or create a new one

2010-04-07 Thread keavy

Thanks for your reply. Yeah I didn't think that was suitable in this
case, with several fields, showing the user both options in the form
etc.

Anyway, I just figured out the issue...

I was using resource_controller and was trying to delete the nested
attributes (if not required) in a create.before... method. If I change
that to using a regular create method it works fine.

On Apr 7, 8:54 pm, g_f 8si.g...@gmail.com wrote:
 It sounds like you are looking for something like ActiveRecord's
 find_or_create_by...() or find_or_initialize_by...() methods.

 You might look into Dynamic attribute-based finders 
 onhttp://api.rubyonrails.org/classes/ActiveRecord/Base.html

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Re: [Rails] Re: named_scope when using foreign keys

2010-04-07 Thread Colin Law

On 7 April 2010 13:21, jeb jo...@ibiz.se wrote:
 There is no managers table, just a relation. Thats the thing:

  belongs_to :manager, :class_name = User, :foreign_key =
 manager_id

So has it included the users table then?  Post the whole sql.

Colin



 :-) j

 On 3 Apr, 15:01, Colin Law clan...@googlemail.com wrote:
 On 3 April 2010 11:42, jeb jo...@ibiz.se wrote:





  Hi,

  The error message is:
  SQLite3::SQLException: no such column: manager.name: SELECT
  stores.id AS t0_r0, stores.customer_id AS t0_r1, AND ON AND ON

  There sure is a name column in the users model.

  This works fine but does not give the same result of course:
  named_scope :manager_name, lambda{|name| {:include
  = :users, :conditions = ['users.name = ?', name ]}}

  :-) j

  On 2 Apr, 10:56, Colin Law clan...@googlemail.com wrote:
  On 2 April 2010 09:06, jeb jo...@ibiz.se wrote:

   Hi all,

   I can't get this named scope to work. Each store has a number of
   users. Each store can have one manager. I ant to use a nemed scope to
   find the manager by name. Have I got this totally backwards?

   Help appreciated
   :-) jonas

   class Store  ActiveRecord::Base
    has_many :users, :dependent = :destroy
    belongs_to :manager, :class_name = User, :foreign_key =
   manager_id
    named_scope :manager_name, lambda{|name| {:include
   = :manager, :conditions = ['manager.name = ?', name ]}}

  Has it included the managers table?  You have not shown enough of the
 sql to see.  Try it with :include = :managers  (plural)

 Colin





  That looks ok to me, assuming that thestorestable has a manager_id
  column.  Remember that the named scope will return an array ofstores
  containing all thestoreswith a manager of that name.

  If you have already a store in @store  then to get the managers name
  you just need @store.manager.name of course.

  If that doesn't help post the error you are getting and the code
  around the error.

  Colin

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Re: [Rails] Re: ReadOnly error keeps haunting the objects I want to update on a script (using script/runner)

yep, Frederick , I read your posting PRIOR to putting this question up. I
had also read the API manual and discovered that.
As you can see, there's no use of :joins in my script.
On 8 April 2010 01:00, Frederick Cheung frederick.che...@gmail.com wrote:





 That happens if you do a find with a :joins option (unless you
 override it by passing :readonly = false)

 Fred

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[Rails] Problems with no method error with rufus scheduler

2010-04-07 Thread BobWheeler

Hi,

I have a problem with rufus. I created a test.rb file in the /config/
initializers folder.

test.rb

  require 'rubygems'
  require 'rufus/scheduler'

  scheduler = Rufus::Scheduler.start_new

  scheduler.each '10s' do
puts hey see you in 10seconds!
  end

works fine so far.
Now I change it to:

test.rb

  require 'rubygems'
  require 'rufus/scheduler'

  scheduler = Rufus::Scheduler.start_new

  scheduler.each '10s' do
recipe = Recipe.check_for_new_print_jobs
  end


And here I get an error.. etc. method check_for_new_print_jobs not
found.

The method is in the recipe controller

/app/controllers/recipe_controller.rb

class RecipeController  ApplicationController

def index
end

def show
end

def check_for_new_print_jobs
  File.open('test_scheduler', 'a') do |f1|
f1  Hey, I am still alive + Time.now.to_s+ \n
  end
end


ruby -v
ruby 1.8.6

rails -v
rails 2.3.5

Can anyone give me a hint? Is there something special to do, because I
am calling a method out of a initializer file?
Thank you very much.

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[Rails] Re: ActionController::UnknownHttpMethod: ***, accepted HTTP methods are get, head, put, post, delete, and options

2010-04-07 Thread Nikolaj Nikolajsen

Got two of these on one of our sites today within seconds. My guess is
that it's a bot scanning for vulnerabilities on the site.

Error: ActionController::UnknownHttpMethod: CONNECT, accepted HTTP
methods are get, head, put, post, delete, and options
Action: Internal
URL: http://mail.messaging.microsoft.com:25/
Parameters: {action=, controller=}
File: [GEM_ROOT]/gems/actionpack-2.3.5/lib/action_controller/
request.rb:35

Error: ActionController::UnknownHttpMethod: CONNECT, accepted HTTP
methods are get, head, put, post, delete, and options
Action: Internal
URL: http://www.google.com:443/
Parameters: {action=, controller=}
File: [GEM_ROOT]/gems/actionpack-2.3.5/lib/action_controller/
request.rb:35

I would also like to hear from others experiencing this, and if any
precautions should be taken...

/nikolaj

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[Rails] Re: ReadOnly error keeps haunting the objects I want to update on a script (using script/runner)

2010-04-07 Thread Frederick Cheung



On Apr 7, 10:11 pm, Gordon Yeong anexi...@gmail.com wrote:
 yep, Frederick , I read your posting PRIOR to putting this question up. I
 had also read the API manual and discovered that.
 As you can see, there's no use of :joins in my script.

It's just behind the scenes - there pretty much has to be, since you
are fetching instances of Blog but with conditions on the statuses
table. You're going to have to delve into
searchlogic (I assume that's what you're using) and figure out how to
get it to supply readonly = false when it does its find.

Fred

 On 8 April 2010 01:00, Frederick Cheung frederick.che...@gmail.com wrote:





  That happens if you do a find with a :joins option (unless you
  override it by passing :readonly = false)

  Fred

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Re: [Rails] best file uploader?

2010-04-07 Thread David Moreno

On Wed, Apr 7, 2010 at 4:22 PM, David Zhu dzwestwindso...@gmail.com wrote:

 Hey guys

 I'm asking for your opinion on the best file uploader plugin/gem for
 ruby on rails.

 Acts as attachment? File column plugin? Fleximage? others?

 What do you guys think? Whats your favorite, which one should i use?
 Thanks


Paperclip.

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Re: [Rails] best file uploader?

2010-04-07 Thread Philip Hallstrom



On Apr 7, 2010, at 1:22 PM, David Zhu wrote:


Hey guys

I'm asking for your opinion on the best file uploader plugin/gem for
ruby on rails.

Acts as attachment? File column plugin? Fleximage? others?

What do you guys think? Whats your favorite, which one should i use?
Thanks


As other's have said... Paperclip.

But to add a little more signal... Ruby Trends can be useful for  
things like this.


http://rubytrends.com/?style=project

-philip

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[Rails] time_select and MultiparameterAssignmentErrors

Hello,

I have a couple of time field (MySQL data type: time) start_time and
end_time, and I'm trying to use a time_select helper to save the
data.  Here's how I'm using it:

%= form.time_select :activity_start_time, :prompt =
true, :ignore_date = true %
%= form.time_select :activity_end_time, :prompt = true, :ignore_date
= true %

and I get this error:

2 error(s) on assignment of multiparameter attributes

when it hits the controller at this line:

@activity = Activity.new(params[:activity])

Here's the parameters:

{authenticity_token=5MmHPVW9VupApm3Qk17OEaf4M5dTk7iw9HhFbhOM3Q0=,
 activity={name=,
 notes=,
 activity_start_time(4i)=10,
 activity_end_time(4i)=13,
 activity_start_time(5i)=00,
 activity_end_time(5i)=00,
 activity_date=04/03/2010,
 hours=,
 description=,
 activity_type=40}}

What am I doing wrong?

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[Rails] Namespaced models with has_many :through

2010-04-07 Thread Kendall Gifford


Hi. I'm trying to enable the following has_many :through relationships
on some models that, as you can see, these models have been namespaced
which appears to be causing my grief:



## app/models/school/course.rb
class School::Course  ActiveRecord::Base
  has_many :registrations, :class_name = 'School::Registrations'
  has_many :students, :through = :registrations
end

## app/models/school/registration.rb
class School::Registration  ActiveRecord::Base
  belongs_to :course, :class_name = 'School::Course'
  belongs_to :student, :class_name = 'School::Student'
end

## app/models/school/student.rb
class School::Student  ActiveRecord::Base
  has_many :registrations, :class_name = 'School::Registration'
  has_many :courses, :through = :regisrations
end



The regular has_many and belongs_to relationships work fine. However,
if I every try to use one of the has_many :through relationships, I
get:

ActiveRecord::HasManyThroughAssociationNotFoundError: Could not find
the association :regisrations in model School::Student
from /home/kendall/namespaced/vendor/rails/activerecord/lib/
active_record/reflection.rb:285:in `check_validity!'
from /home/kendall/namespaced/vendor/rails/activerecord/lib/
active_record/associations/has_many_through_association.rb:5:in
`initialize'
from /home/kendall/namespaced/vendor/rails/activerecord/lib/
active_record/associations.rb:1300:in `new'
from /home/kendall/namespaced/vendor/rails/activerecord/lib/
active_record/associations.rb:1300:in `courses'

So my question is, does anyone know if/how I can get these
relationships to actually work? I know rails' support for namespaced
models is sketchy. My use of namespaces isn't a superfluous,
aesthetic, or organizational whim. My real application for which this
test was contrived needs, if at all possible, to use this feature. I'm
using ruby 1.8.6 with rails 2.3.5.

Any help would be greatly appreciated!

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Re: [Rails] Re: ReadOnly error keeps haunting the objects I want to update on a script (using script/runner)

On that same note, I actually did try to set :readonly = false onto 
new_blogs
= Blog.status_name_does_not_equal_all(['live','archived']) but had no idea
of how to do so. I tried something like
 new_blogs = Blog.status_name_does_not_equal_all(['live','archived'],
:readonly=false ) but got a syntax error.

Anyway, as per Franz's post, I am going to build a method in the model and
see how that goes whilst minimising the hits on the db.
thank you


On 8 April 2010 07:18, Frederick Cheung frederick.che...@gmail.com wrote:



 On Apr 7, 10:11 pm, Gordon Yeong anexi...@gmail.com wrote:
  yep, Frederick , I read your posting PRIOR to putting this question up. I
  had also read the API manual and discovered that.
  As you can see, there's no use of :joins in my script.

 It's just behind the scenes - there pretty much has to be, since you
 are fetching instances of Blog but with conditions on the statuses
 table. You're going to have to delve into
 searchlogic (I assume that's what you're using) and figure out how to
 get it to supply readonly = false when it does its find.

 Fred

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[Rails] Re: time_select and MultiparameterAssignmentErrors

Update - I just noticed that it will save a new record without this
error if I have the minutes other than 00.  But there still is an
issue, since it saves the parameters as Year and Month instead of Hour
and Minute!  So this is interpreted as

activity_start_time(4i)=10,
 activity_end_time(4i)=13,
 activity_start_time(5i)=05,
 activity_end_time(5i)=05,

activity_start_time = 2010-05-01 00:00:00
activity_end_time = 2013-05-01 00:00:00

Has anyone encountered this problem?

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[Rails] Re: best file uploader?

wow rubytrends is awesome. thanks guys

On Apr 7, 5:25 pm, Philip Hallstrom phi...@pjkh.com wrote:
 On Apr 7, 2010, at 1:22 PM, David Zhu wrote:

  Hey guys

  I'm asking for your opinion on the best file uploader plugin/gem for
  ruby on rails.

  Acts as attachment? File column plugin? Fleximage? others?

  What do you guys think? Whats your favorite, which one should i use?
  Thanks

 As other's have said... Paperclip.

 But to add a little more signal... Ruby Trends can be useful for  
 things like this.

 http://rubytrends.com/?style=project

 -philip

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[Rails] Re: time_select and MultiparameterAssignmentErrors

Well, I found out that I can't have ANY extra constraints on it.  That
seems to make time_select parameters interpreted incorrectly.

Can't have:
:prompt = true
:include_blank = true
:ignore_date = true

So my form field is reduced to:

%= form.time_select :activity_start_time %
%= form.time_select :activity_end_time %

and
@activity.activity_start_time = Time.parse(00:00)
@activity.activity_end_time = Time.parse(00:00)

inside the controller, so that the current time won't be selected by
default for new records.  Kind of annoying that I can't have prompt or
blank at the top.  :-\If anyone has figured out a way to make
time_select work as expected, I'm all ears!

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[Rails] Re: time_select and MultiparameterAssignmentErrors

2010-04-07 Thread Kendall Gifford


So I just scaffolded, tested and successfully reproduced your problem
exactly. Playing around in the console gave some interesting results:

 Activity.new 'activity_start_time(1i)' = '2010', 'activity_start_time(22i)' 
 = '11', 'activity_start_time(100i)' = '7'
 ... activity_start_time: 2010-07-11 00:00:00

So for multiparameter attribute assignment, it just sorts the index
number alphabetically and uses the data fields to assign to the
object, in order (at least for Time / DateTime objects and likely for
Date objects as well). It then appears to begin assigning the data to
the fields, starting with the first field (year) and moving on,
ignoring the actual numeric value of the index (such as my 100 above
which results in its value becoming the month). So, with the rails
helper defaults of '4i' and '5i', the 5 becomes the 'month' and '00'
is an invalid month number.

So, this would appear to be a weakness/bug in rails from my
perspective. I'd think it should actually strip off the data-type
character (the 'i' chars in this case) and cast the remaining 'index'
characters to a Fixnum (again, at least for date/time types, not sure
about aggregates/others) at which point it should respect the number
as an offset: 1 = year, 2 = month, and so on so that this usage, as
written out by the view helper, actually works as expected.

Anyhow, just my two cents.

To work around, I'd drop the :ignore_date options in your helpers.
Then manually overwrite the -MM-DD value(s) of these two fields to
a consistent default (since I'm assuming you're not using the date
part anyway) so you can compare time values.

Then you should file a bug report :-)

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[Rails] Re: Retrieve redirect URLs from an URL

2010-04-07 Thread Tom Pett

I have found the gem HTTParty which is supposed to help me with this 
task.

I am having some troubles getting this to work on my environment. 
Currently I run Rails 2.3.5, HTTParty 0.5.2 on Windows Vista (developer 
machine).

I would really appreciate it if someone could give me an example code 
snippit on how I should do this.

Again, imagine the following: URL A redirect to URL B. B redirects to C. 
C is a normal website that can be retrieved via GET.

By supplying A, I want an array in return containing [A,B,C]
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[Rails] Re: A Confirmation System?

2010-04-07 Thread paul h

I'd have to agree with Ar Chron, it sounds like you need the PickAxe
book from the PragProg publishers, along with AWDwR - both of which
should be required reading for noobs. Personally, I went on a turbo
learnig curve and went on after those two books with Metaprogramming
Ruby, again from Dave  Andy @ PragProg, and haven't looked back.

It does depend on your knowledge level though. Don't try and run
before you can walk. If you are from a OO background then get stuck in
and make sure you checkout Meta...Ruby. If you are new to OO, then
take your time with the PickAxe book and AWDwR, once you 'think' you
understand those, then maybe move on to Meta...Ruby = you can always
step back if you need to.

As a reult of Meta...Ruby, I have just refactored 100's of lines of
biolerplate crap (due to the point I was at in my learning curve with
my initial learning project) to a few Ruby modules containing no more
than 50 lines of code each - Ruby is a great language (thanks Matz :))
and it is well worth learning its basics first in order to move on
after that..take some time learning to Jog on the spot, after
a while you will find yourself sprinting the 100m's in under 8
secs...

You seem to have your RoR terms mixed up a bit. Forget about the
'scaffold' as such. That is what the generator creates at your command
in order to provide you with a starting point for your application -
none of it is written in stone - all of it can be tweaked, changed, re-
written. Don't forget, you can generate models, migrations, etc. All
that the generator is, is Ruby code that creates files based on the
Rails Framework to save you the job of creating those files manually.

The generator created scaffold includes, most imprortantly (in my
eyes); your controllers, your models and your migrations. Also created
are your Views and test beds. Personally, I don't care about the
Views, because I use Flex for the front end which connects to RoR via
Flash's RemoteObject and RubyAMF. I hold my hand up to say I need to
look more into the test files (fixtures, unit, helpers, etc) myself.
Haven't found the need for those yet due to creating EXE's that test
my DB and server functionality - they may save me some work as per
most of the RoR framework - just need to find the ROI for the learning
curve...

Your 'Submit' action has nothing to do with your scaffold, other than,
presumably, your submit button in your generated scaffold View. Your
original question sounds like the following:

User accesses and fills in the form

User submits the form

Administrator (of sorts) receives notification the form has been
submitted

Administrator accepts or dismisses the submitted form

If so, then all you need to do, is to set up your DB to accept new
submissions. You can then decide how you want your Administrator to be
notified : this would depend on Application/Business/Project specific
directives - Admin logs in and downloads latest submissions written to
the DB, latest submissions get written to a log file that the Admin
can access, Admin gets e-mail confirming latest submission etc.

Is this correct?

Regards

Paul

On Apr 7, 4:36 am, Ryan Waldron r...@erebor.com wrote:
 David, I don't know if this would help you, but you might poke around
 inhttp://github.com/subwindow/needs_approvalfor some ideas.  I've
 not used it, so I don't know how mature it is.

 On Tue, Apr 6, 2010 at 5:08 PM, David Zhu dzwestwindso...@gmail.com wrote:
  Hey,

  I'm not sure how complex this really is, but i hope it isn't too
  difficult for you guys to explain here

  My question is, is there a way to intercept a Submit action (for a
  scaffold, etc) of a form, and take that submit action and present it
  to an ADMIN user, where he/she can either finish submitting the form,
  or ignore the request?

  Kind of a like a confirmation system..

  Hopefully you guys can help me out, I'm not that good at ruby on
  rails, but hopefully ill get better :)

  Thanks for your help!

  --
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  Ruby on Rails: Talk group.
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[Rails] Re: group objects by month

2010-04-07 Thread eggie5

thanks

On Apr 7, 12:28 pm, Ryan Waldron r...@erebor.com wrote:
 If :birth_date is a Date, for instance, you could do it like this:

 @dogs.group_by{|dog| dog.birth_date.month}



 On Tue, Apr 6, 2010 at 9:36 PM, eggie5 egg...@gmail.com wrote:
  or group by week for that matter...

  On Apr 7, 11:35 am, eggie5 egg...@gmail.com wrote:
  I have a collection of of objects from an query. I can group them by
  using:

  @dogs.group_by(:birth_date)

  that works fine... and it groups them by date, however, I want to
  group them by month. How can I do this?

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[Rails] periodically_call_remote renders Page in page

2010-04-07 Thread Ashwin Vel

I am using Periodically_call_remote in the following way

div id=refresh
%= periodically_call_remote(
:update = refresh,
:frequency = 3,
:url = { :action = :activate }) %
/div


and the action i am calling is shown below. The activate action checks
for some value in a remote database and once the value says Active
then i want the user to be redirected to another page. But what is
happening is that the new page is getting loaded inside the Div
refresh tag. So its a page in page.

def activate
---perform something---
  if ( Check = active)
  redirect to different page
  end
end

Any idea how i can do rectify this. Any other suggestions are welcome
too.


Ashwin

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[Rails] How do I update middleware for Rails 3?

2010-04-07 Thread Patrick Berkeley

Hello,

I'm updating an application to Rails 3 that has Uploadify implemented as
described by John Nunemaker here:
http://railstips.org/blog/archives/2009/07/21/uploadify-and-rails23/

My questions are:

1) Where should middleware live in a Rails 3 application?
app/middleware?

2) Is the middleware path loaded in config/application.rb? Or is there a
way to do it in config/environment.rb?

3) What should I update the following code to to make it work in Rails
3?

# config/initializers/session_store.rb

ActionController::Dispatcher.middleware.insert_before(
  ActionController::Session::CookieStore,
  FlashSessionCookieMiddleware,
  ActionController::Base.session_options[:key]
)

Specifically, how do I call each of the following:

- ActionController::Dispatcher.middleware.insert_before
- ActionController::Session::CookieStore
- ActionController::Base.session_options[:key]

I've looked through the Rails 3 source, and tried various combinations
e.g., ActionDispatch::Cookies, ActionDispatch::Middleware::Cookies,
ActionController.cookies, etc., but to no avail.

Thanks, Patrick
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[Rails] quick and easy has_many routes question.

Hey,

i have- map.resources :courses, :has_many = :pages

now what if i wanted for courses to has_many = :forums as well?

can i just do map.resources :courses, :has_many = :pages, :forums

?? because that doesn't work. whats the syntax for- has many blank AND
blank..

lol reall noobie i know, but i just don't know how to do it.

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[Rails] Re: A Confirmation System?

wow paul thanks so much for that explanation.

You are correct on what I'm trying to do. Great. Lightbulb moment. 5
star post right there, thanks a lot

:D :D :D :D

-David

On Apr 7, 7:51 pm, paul h p...@hollyer.me.uk wrote:
 I'd have to agree with Ar Chron, it sounds like you need the PickAxe
 book from the PragProg publishers, along with AWDwR - both of which
 should be required reading for noobs. Personally, I went on a turbo
 learnig curve and went on after those two books with Metaprogramming
 Ruby, again from Dave  Andy @ PragProg, and haven't looked back.

 It does depend on your knowledge level though. Don't try and run
 before you can walk. If you are from a OO background then get stuck in
 and make sure you checkout Meta...Ruby. If you are new to OO, then
 take your time with the PickAxe book and AWDwR, once you 'think' you
 understand those, then maybe move on to Meta...Ruby = you can always
 step back if you need to.

 As a reult of Meta...Ruby, I have just refactored 100's of lines of
 biolerplate crap (due to the point I was at in my learning curve with
 my initial learning project) to a few Ruby modules containing no more
 than 50 lines of code each - Ruby is a great language (thanks Matz :))
 and it is well worth learning its basics first in order to move on
 after that..take some time learning to Jog on the spot, after
 a while you will find yourself sprinting the 100m's in under 8
 secs...

 You seem to have your RoR terms mixed up a bit. Forget about the
 'scaffold' as such. That is what the generator creates at your command
 in order to provide you with a starting point for your application -
 none of it is written in stone - all of it can be tweaked, changed, re-
 written. Don't forget, you can generate models, migrations, etc. All
 that the generator is, is Ruby code that creates files based on the
 Rails Framework to save you the job of creating those files manually.

 The generator created scaffold includes, most imprortantly (in my
 eyes); your controllers, your models and your migrations. Also created
 are your Views and test beds. Personally, I don't care about the
 Views, because I use Flex for the front end which connects to RoR via
 Flash's RemoteObject and RubyAMF. I hold my hand up to say I need to
 look more into the test files (fixtures, unit, helpers, etc) myself.
 Haven't found the need for those yet due to creating EXE's that test
 my DB and server functionality - they may save me some work as per
 most of the RoR framework - just need to find the ROI for the learning
 curve...

 Your 'Submit' action has nothing to do with your scaffold, other than,
 presumably, your submit button in your generated scaffold View. Your
 original question sounds like the following:

 User accesses and fills in the form

 User submits the form

 Administrator (of sorts) receives notification the form has been
 submitted

 Administrator accepts or dismisses the submitted form

 If so, then all you need to do, is to set up your DB to accept new
 submissions. You can then decide how you want your Administrator to be
 notified : this would depend on Application/Business/Project specific
 directives - Admin logs in and downloads latest submissions written to
 the DB, latest submissions get written to a log file that the Admin
 can access, Admin gets e-mail confirming latest submission etc.

 Is this correct?

 Regards

 Paul

 On Apr 7, 4:36 am, Ryan Waldron r...@erebor.com wrote:

  David, I don't know if this would help you, but you might poke around
  inhttp://github.com/subwindow/needs_approvalforsome ideas.  I've
  not used it, so I don't know how mature it is.

  On Tue, Apr 6, 2010 at 5:08 PM, David Zhu dzwestwindso...@gmail.com wrote:
   Hey,

   I'm not sure how complex this really is, but i hope it isn't too
   difficult for you guys to explain here

   My question is, is there a way to intercept a Submit action (for a
   scaffold, etc) of a form, and take that submit action and present it
   to an ADMIN user, where he/she can either finish submitting the form,
   or ignore the request?

   Kind of a like a confirmation system..

   Hopefully you guys can help me out, I'm not that good at ruby on
   rails, but hopefully ill get better :)

   Thanks for your help!

   --
   You received this message because you are subscribed to the Google Groups 
   Ruby on Rails: Talk group.
   To post to this group, send email to rubyonrails-t...@googlegroups.com.
   To unsubscribe from this group, send email to 
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[Rails] Re: Best way of sorting/grouping objects

2010-04-07 Thread Brent

Thanks Angelo! That is a great idea. In the long run that would
probably make more sense. But in the meantime I'll look into
the :group fix. What exactly does that do?

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[Rails] Re: time_select and MultiparameterAssignmentErrors

Thanks for confirming what I was experiencing!  (At least I know I'm
not seeing things...)
I've never submitted a bug report for ror - is this the right place?
https://rails.lighthouseapp.com/dashboard

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[Rails] 500 internal server error sqlite 3

2010-04-07 Thread Joey Campbell

I'm new to rails and I have created a project in rubymine and I started
up the server then i went to one of my actions i created and i got 500
internal server error! I have no idea how to get it working please help

Here is the log file

/!\ FAILSAFE /!\  Wed Apr 07 18:39:32 -0700 2010
  Status: 500 Internal Server Error
  unknown error
C:/ruby/lib/ruby/1.8/dl/import.rb:29:in `initialize'
C:/ruby/lib/ruby/1.8/dl/import.rb:29:in `dlopen'
C:/ruby/lib/ruby/1.8/dl/import.rb:29:in `dlload'
C:/ruby/lib/ruby/1.8/dl/import.rb:27:in `each'
C:/ruby/lib/ruby/1.8/dl/import.rb:27:in `dlload'

C:/ruby/lib/ruby/gems/1.8/gems/sqlite3-ruby-1.2.5-x86-mswin32/lib/sqlite3/driver/dl/api.rb:31
C:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in
`gem_original_require'
C:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in
`require'

C:/ruby/lib/ruby/gems/1.8/gems/activesupport-2.3.4/lib/active_support/dependencies.rb:156:in
`require'

C:/ruby/lib/ruby/gems/1.8/gems/activesupport-2.3.4/lib/active_support/dependencies.rb:521:in
`new_constants_in'

C:/ruby/lib/ruby/gems/1.8/gems/activesupport-2.3.4/lib/active_support/dependencies.rb:156:in
`require'

C:/ruby/lib/ruby/gems/1.8/gems/sqlite3-ruby-1.2.5-x86-mswin32/lib/sqlite3/driver/dl/driver.rb:1
C:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in
`gem_original_require'
C:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in
`require'

C:/ruby/lib/ruby/gems/1.8/gems/activesupport-2.3.4/lib/active_support/dependencies.rb:156:in
`require'

C:/ruby/lib/ruby/gems/1.8/gems/activesupport-2.3.4/lib/active_support/dependencies.rb:521:in
`new_constants_in'

C:/ruby/lib/ruby/gems/1.8/gems/activesupport-2.3.4/lib/active_support/dependencies.rb:156:in
`require'

C:/ruby/lib/ruby/gems/1.8/gems/sqlite3-ruby-1.2.5-x86-mswin32/lib/sqlite3/database.rb:619:in
`load_driver'

C:/ruby/lib/ruby/gems/1.8/gems/sqlite3-ruby-1.2.5-x86-mswin32/lib/sqlite3/database.rb:617:in
`each'

C:/ruby/lib/ruby/gems/1.8/gems/sqlite3-ruby-1.2.5-x86-mswin32/lib/sqlite3/database.rb:617:in
`load_driver'

C:/ruby/lib/ruby/gems/1.8/gems/sqlite3-ruby-1.2.5-x86-mswin32/lib/sqlite3/database.rb:72:in
`initialize'

C:/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.4/lib/active_record/connection_adapters/sqlite3_adapter.rb:13:in
`new'

C:/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.4/lib/active_record/connection_adapters/sqlite3_adapter.rb:13:in
`sqlite3_connection'

C:/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.4/lib/active_record/connection_adapters/abstract/connection_pool.rb:223:in
`send'

C:/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.4/lib/active_record/connection_adapters/abstract/connection_pool.rb:223:in
`new_connection'

C:/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.4/lib/active_record/connection_adapters/abstract/connection_pool.rb:245:in
`checkout_new_connection'

C:/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.4/lib/active_record/connection_adapters/abstract/connection_pool.rb:188:in
`checkout'

C:/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.4/lib/active_record/connection_adapters/abstract/connection_pool.rb:184:in
`loop'

C:/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.4/lib/active_record/connection_adapters/abstract/connection_pool.rb:184:in
`checkout'
C:/ruby/lib/ruby/1.8/monitor.rb:242:in `synchronize'

C:/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.4/lib/active_record/connection_adapters/abstract/connection_pool.rb:183:in
`checkout'

C:/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.4/lib/active_record/connection_adapters/abstract/connection_pool.rb:98:in
`connection'

C:/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.4/lib/active_record/connection_adapters/abstract/connection_pool.rb:326:in
`retrieve_connection'

C:/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.4/lib/active_record/connection_adapters/abstract/connection_specification.rb:123:in
`retrieve_connection'

C:/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.4/lib/active_record/connection_adapters/abstract/connection_specification.rb:115:in
`connection'

C:/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.4/lib/active_record/query_cache.rb:9:in
`cache'

C:/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.4/lib/active_record/query_cache.rb:28:in
`call'

C:/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.4/lib/active_record/connection_adapters/abstract/connection_pool.rb:361:in
`call'
C:/ruby/lib/ruby/gems/1.8/gems/rack-1.0.1/lib/rack/head.rb:9:in
`call'
C:/ruby/lib/ruby/gems/1.8/gems/rack-1.0.1/lib/rack/methodoverride.rb:24:in
`call'

C:/ruby/lib/ruby/gems/1.8/gems/actionpack-2.3.4/lib/action_controller/params_parser.rb:15:in
`call'

C:/ruby/lib/ruby/gems/1.8/gems/actionpack-2.3.4/lib/action_controller/session/cookie_store.rb:93:in
`call'

C:/ruby/lib/ruby/gems/1.8/gems/actionpack-2.3.4/lib/action_controller/failsafe.rb:26:in
`call'

[Rails] Re: Open Source UML Tool for Ruby on Rails?

2010-04-07 Thread Joao Silva

lambo4jos wrote:
 I am new to web development, Ruby on Rails, and UML as well.  I was
 wondering if there were any free tools available for UML design.
 There is a list of free tools on wikipedia under UML tools, but I don't
 understand if I need a tool that supports the ruby language.  If anyone
 uses a free UML tool for designing Ruby on Rails apps, please let me
 know what you use.

I think the best idea is a open soure and multi plaftorm CASE tools I 
guess you work in linux or maybe mac.. so try this: 
http://case-tools.org/ I recommend you to take a simple tools for single 
user, are easier to learn and more usable (generally)

regards,
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[Rails] Re: Modelling Question - developing meta system

2010-04-07 Thread johnmcau...@gmail.com

Thanks Fred

On Apr 7, 11:02 am, Frederick Cheung frederick.che...@gmail.com
wrote:
 On Apr 7, 9:32 am, johnmcau...@gmail.com johnmcau...@gmail.com
 wrote:





  Hey everyone,

  Just a quick Q.

  Can anybody point me to some resources regarding a modeling quandary I
  am in.  I have to develop a meta system that allows users to specify
  their own model variables.  For instance, I have a model Team and the
  users must be able to define, through a simple web interface,
  variables such as name (specifying the variable as a string), number
  of players (specifying the variable as a drop down of numbers) and
  then other users can enter teams into the system.  This is similar to
  content creation kit in drupal but a lot less DRUPAL and a lot more
  rails.  I can put this together but think that I will end up with a
  messy application that will ultimately serve to frustrate.  Has
  anybody come across discussion on this before?

 Well you could model this as Team having many attributes and the
 attributes table stores key value pairs. You could separately store
 which attributes are permissible for the Team model.
 You might also find that a document database like couchdb makes this
 less hassle.

 Fred

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[Rails] Re: ReadOnly error keeps haunting the objects I want to update on a script (using script/runner)

Franz,



 I started out by defining publish_entries in the model of Blog and
got the ugly method_missing error when I ran
script/runner script/set_blogs_to_published.rb.

Of course , this is how my script/set_blogs_to_published.rb looks
like.

 script/set_blogs_to_published.rb - Start
---
class Blog  ActiveRecord::Base
Blog.publish_entries
end
 script/set_blogs_to_published.rb - End
---

I then moved publish_entries to the Blog controller file but still
no luck when I ran script/set_blogs_to_published.rb.



  Where do I put the publish_entries definition (ie controller or
model of Blog)?




On Apr 8, 12:35 am, Franz Strebel franz.stre...@gmail.com wrote:
 Yourscriptseems to be in the body of the Blog model.

 For what you're trying to do, I suggest that you create a class
 method in Blog to publish entries e.g.

 def self.publish_entries
   # your code goes here
 end

 which you can then invoke with Blog.publish_entries

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[Rails] Re: 500 internal server error sqlite 3

2010-04-07 Thread greg

try instantrails on windows. that's easy for new comer.

Joey Campbell li...@... writes:

 
 I'm new to rails and I have created a project in rubymine and I started
 up the server then i went to one of my actions i created and i got 500
 internal server error! I have no idea how to get it working please help
 
 Here is the log file
 


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[Rails] Re: ruby script - how to write one that deals with different environment?

hi there, bseanvt,

   The thought of using the rake task is good but it's not applicable
to my situation whereby I am just running this script after each run
of thinking_sphinx:index which takes place every 20 mins.

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[Rails] Re: ruby script - how to write one that deals with different environment?