Tim Teng wrote:
> script/server will invoke webrick by default, and webrick of course is a
> single thread server. So test your app with other servers and check
> whether
> it still performs poor.
>
> 在 2010年6月28日 下午4:48，Zhao Yi 写道：
What do you mean by "other servers"
Tim Teng wrote:
> 很多时候不是硬件不行，是代码写得有问题，5-10个人就挂了可以肯定是代码写得有问题，你不会是用webrick在跑吧？
>
> 2010/6/25 Zhao Yi
我没有用webrick，就是用ruby script/server跑的
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Peter Hickman wrote:
> On 25 June 2010 09:47, Zhao Yi wrote:
>
> That sounds really bad. At peak times our system handle 1000's of
> concurrent
> requests and we rarely hit more than 8 seconds per request.
>
>
How can I set this number of concurrent? Is 1000 th
The log file is waiting at this line:
^[[4;35;1mCGI::Session::ActiveRecordStore::Session Update
(0.96)^[[0m ^[[0mUPDATE `sessions` SET `updated_at` = '2010-06-28
03:20:03', `data` =
'BAh7CjoMcm9vdF9pZDA6DHVzZXJfaWRpADoOdXNlcl9uYW1lIgxidWlsZGVy\nOhFvcmlnaW5hbF91cmkiIC9idWlsZC91cGRhdGVfbWFr
I just tried. If one user run a time-caused job on Rails server. Other
users have to wait until it finished.
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Peter Hickman wrote:
> First, what is your set up?
>
> What is the hardware you are running Rails on?
It is running on 2G memory hardware with Fedora system.
> What else is running on the machine that might impact Rails?
There isn't any processes running on this machine.
> What database are you
My Rails application write files on server disk but the user name and
group of the file is nfsnobody. I am using Fedora system and the rails
application start up with root. How can I change its user name and group
name?
Thanks
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I found that if many users access to Rails at the same time, users will
wait for a long time. How can I set the concurrence user number in
Rails?
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Sijo Kg wrote:
> Hi
>You can set pool in database.yml
>
> Read this
> http://ryandaigle.com/articles/2008/9/7/what-s-new-in-edge-rails-connection-pools
>
>
> Sijo
I have set this value to 10. But if a user load a web page which cause a
long time, other users will not load pages until this
How can I configure rails server connection number? This indicates how
many clients can connect to a server at one time.
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Max Williams wrote:
> You can't pass ruby objects from the form to the controller because the
> browser has no concept of ruby or rails or any of that stuff. However,
> you can build a hash to put into params like this
>
> <%= hidden_field_tag "foo[bar]", "hello" %>
>
> which creates this sit
I use form_tag like below:
<% form_tag (my_action) %>
<%= submit_tag "Submit" %>
<% end %>
In this case, how can I pass a Ruby object to "my_action" action? I want
to pass a Hash to the next action.
thanks.
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Thanks. I think split is what I want.
Another thing is that how I can remove the ^M from a string. I found
that there is a method "replace" in string class. But it will replace
the whole string, right?
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I use redirect_to to another action. Can I pass parameters to this
action?
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I got a string from "text_area_tag". Because the browser working on
windows while my rails server working on linux, there is ^M at the end
of each line. What I want to do is to remove this character and separate
the string to an array. How can I do this?
thanks.
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OK, I understand. Thanks all your help.
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Älphä Blüë wrote:
> So, the first question you have to answer is what type of form are you
> using? If you are using a form_for then that's backed by a model and
> you can use validation checks. If you are using form_tag then that
> isn't backed by a model and there are other ways of checking
Älphä Blüë wrote:
> You will want to use validation checks.
>
> http://guides.rubyonrails.org/activerecord_validations_callbacks.html
This is the Active Record validation. I am looking for something like
Action Controller validation( I am not sure whether rails has this
feature). I want to val
I want to check user input in a form before submit. Is there a standard
way to do this in Rails?
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Nanyang Zhan wrote:
> Zhao Yi wrote:
>
>>
>> You have a nil object when you didn't expect it!
>> The error occurred while evaluating nil.to_sym
>
> 贴出错误信息全文好查一点.
The error track is shown below.
/usr/local/lib/ruby/gems/1.8/gems/actionpack-2.1.2/lib/action
I created a scaffold and generated index, new, show, update, destory
actions and its related views. When I open the index view, I will got
the error:
You have a nil object when you didn't expect it!
The error occurred while evaluating nil.to_sym
Extracted source (around line #15):
12: <%=h
Siddick Ebramsha wrote:
>
> Use the -d option with the `ruby script/server` program. Then WEBrick
> server will run as a daemon.
How can i stop the rails server if using -d option?
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I start rails server and the default(http://localhost:3000) page would
be Ruby on Rails welcome page. Can I change this page or redirect to a
controller?
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I use this code to render a partial:
<%= render :partial=>'test' %>
The test is not located in the current controller. How can I point it to
other place?
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>
> Hi, you should be able to configure the log_path by adding it to the
> initializer block in your environment.rb. For example,
>
> Rails::Initializer.run do |config|
>
> ...
>
> # Note: By default, the log_path is set to log/#{environment}.log
> config.log_path =
>
> end
>
This
If I use "-d" to start the rails server, how can I stop it?
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Siddick Ebramsha wrote:
> The logs will be in the log/development.log file.
Can I specify a log file?
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Siddick Ebramsha wrote:
> Zhao Yi wrote:
>> When I run "ruby script/server" to start rails server, the current shell
>> will be blocked and all the output from rails will be written to the
>> current console. Does rails support a non-block mode and let the output
When I run "ruby script/server" to start rails server, the current shell
will be blocked and all the output from rails will be written to the
current console. Does rails support a non-block mode and let the output
to be written to a specified log file?
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My web site has a login feature. What I want to do is to design
different page for different account. But in an action, I couldn't use
redirect_to more than one time. I am looking for a way like this:
if account == "admin"
redirect_to ...
else
redirect_to ...
...
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My Rails working on a Linux system and a client access this server from
Windows. The client inputs something in a text area and click submit, in
the server side, it put the input into a file. The problem is that at
the end of each line in the file, there is a "^M". How can I avoid this?
I use File
I use root to start the Rails server. So all the operations on this
server will be root permission. For example, create a file in the server
disk. How can I change a user?
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jasoo24 wrote:
> Do created_at and updated_at (via t.timestamps) get set properly? I
> think you could try using t.timestamp (not plural) instead of t.time.
>
> Or, instead of using "sexy migrations", you could try doing it the old
> way:
> t.column :my_time_column, :datetime
>
> Hope this helps
MaD wrote:
> try to put send_file in an action of your controller.
> http://www.railsbrain.com/api/rails-2.2.2/doc/index.html?a=M000167&name=send_file
I use link_to to an action and in this action I use send_file method. In
this action, how can I get the value of the link_to tag?
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Manmay wrote:
> hi Zhao,
>
> u can use send_file to relate the file in u'r file system but not in
> public dir of u'r rails proj like,
>
> send_file(RAILS_ROOT+"/images_uploaded/"+params[:filename] ,
> :disposition => 'inline')
>
I have tried but got undefined method `send_file' for
# error,
Bobnation wrote:
> Can you post your schema.rb?
This is schema file:
class CreateHistories < ActiveRecord::Migration
def self.up
create_table :histories do |t|
t.string :user_name,:null=>false
t.string :project_name,:null=>false
t.string :view
t.string :task
t
Rob Zolkos wrote:
> Hi,
>
> Try this :
>
> <%= link_to "file", "http://www.mysite.com/the_file.doc"; %>
>
> Regards,
> Rob
My problem is that the file is not in Rails application. There is on
"http://"; start. I just want to point to a local file in the server hard
disk. For example: <%= lin
Bobnation wrote:
> Are you using Time.now to assign the time?
Yes, I use Time.now.
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I defines a table and one of its column type is Time. I use ruby Time
class to assign the value to this column, but it always generate Sat Jan
01 2000 time. Is the format different with the database and ruby class?
I use MySql database in Linux.
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I want to link to a file outside rails application. It is a text file
stored in rails server disk. When user click this link, the file will be
open.
How can I do this?
thanks.
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alexey.Creopolis wrote:
> oh god...
>
> render :update do |page|
> page.alert('hello world')
> end
I have tried but it shows this message in the page:
try {
alert("hello world");
} catch (e) { alert('RJS error:\n\n' + e.toString());
alert('alert(\"hello world\");'); throw e }
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Colin Law wrote:
>
> Are you saying that after the redirect_to it shows the view from
> views/builder/index.html.erb but uses the layout from
> views/layouts/admin.html.erb instead of views/layouts/builder.html.erb?
yes, it is the case.
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raj vuppala wrote:
> def alert(msg)
> call 'alert' , message
> end
>
> check this link
> http://api.rubyonrails.org/classes/ActionView/Helpers/PrototypeHelper/JavaScriptGenerator/GeneratorMethods.html#M001452
>
> try once..
>
> On Wed, Jan 21, 200
raj vuppala wrote:
> hi,
> Try with alert ()
> using java script...
>
> On Tue, Jan 20, 2009 at 11:50 PM, Zhao Yi
I got undefined method `alert` error in my controller.
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Yo
I want to pop-up a warning dialog in a controller. How can I do this?
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I define a class:
class BuildLogger
@@build_logger=nil
def self.get_build_logger(file_name=nil)
if @@build_logger == nil ###this line will thrown an error
@@build_logger=Logger.new("build_logger")
@@build_logger.level = DEBUG
end
return @@build_logger
end
end
Can anyone help me on this?
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When I use "redirect_to ({:controller=>'builder', :action=>'index'})
", I have specify the controller is builder, it should use builder
layout, right? But it still in admin layout.
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I use redirect_to in this way:
class AdminController < ApplicationController
def logout
redirect_to ({:controller=>'builder', :action=>'index'})
end
end
this code is in the controller "admin". when this action is invoked, the
page will be changed but still in admin layout. How c
I use backgroundrb to run task in background. But when I invoke a worker
defined in backgroundrb, I will get this error:
can't dump TCPSocket
vendor/plugins/backgroundrb/lib/backgroundrb/bdrb_connection.rb:72:in
`dump'
vendor/plugins/backgroundrb/lib/backgroundrb/bdrb_connection.rb:72:in
`dump_
Hemant Kumar wrote:
> On Thu, Jan 15, 2009 at 10:44 AM, Zhao Yi
> wrote:
>>
>> vendor/plugins/backgroundrb/lib/backgroundrb/rails_worker_proxy.rb:72:in
>> `run_method'
>> vendor/plugins/backgroundrb/lib/backgroundrb/rails_worker_proxy.rb:25:in
>> `meth
Hemant Kumar wrote:
> On Thu, Jan 15, 2009 at 10:44 AM, Zhao Yi
> wrote:
>>
>> vendor/plugins/backgroundrb/lib/backgroundrb/rails_worker_proxy.rb:72:in
>> `run_method'
>> vendor/plugins/backgroundrb/lib/backgroundrb/rails_worker_proxy.rb:25:in
>> `meth
> examples are right there in the docs. For example to invoke the worker:
>
> MiddleMan.worker(:foo_worker,"my_secret_worker_key").async_do_foo()
thanks it works. but when I call this method I will get this error. I
have started backgroundrb server.
can't dump TCPSocket
vendor/plugins/backg
I know what wrong. I should use this code:
used_job_key = MiddleMan.new_worker(:worker => :foo_worker,\
:worker_key => "my_secret_job_key")
to get a worker. But after this, how can I invoke the worker with this
key?
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I think this is because I didn't require the MetaWorker in my worker. Do
you know how to require this worker? I have tried "require
'backgroundrb'" but "no such file to load" error will be thrown.
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Hemant Kumar wrote:
> There is something wrong with your setup. MetaWorker shouldn't be even
> shown in controller/rails part of things.
>
> Can you post your worker code and how are you invoke BackgrounDRb
> worker tasks from rails?
This is my worker definition. I use ruby script/generate worke
Zhao Yi wrote:
> I installed backgroundrb from http://svn.devjavu.com/backgroundrb/trunk
> and there is no problem to start backgroundrb server. but when view the
> page which controller requires the worker, I will get the error
> "uninitialized constant BackgrounDRb::MetaWor
I installed backgroundrb from http://svn.devjavu.com/backgroundrb/trunk
and there is no problem to start backgroundrb server. but when view the
page which controller requires the worker, I will get the error
"uninitialized constant BackgrounDRb::MetaWorker". Is this the problem
that I didn't requi
yes I mean svn. thanks I installed it successfully.
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I use this code to get other field value:
<%= hidden_field_tag 'project_version_select',
$('other_id').getValue()%>
but I got compile error. How can I get the value?
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Matt Harrison wrote:
> Zhao Yi wrote:
>> Author: Scott Chacon
>> Installed at: d:/ruby/lib/ruby/gems/1.8
>>
>> A package for using Git in Ruby code.
>
> That would appear to be the ruby interface to git. You need to have the
> compiled git applica
Sijo Kg wrote:
> if($('id')){
> val = $F('id')
> }
Can I put them in *.html.erb? I got a compile error.
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How can I check whether an ID existed in the current page？ I want to use
the $('id').getValue() to get the field value. But sometimes the ID may
not exist.
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John Yerhot wrote:
> Is Git installed?
yes, I have installed git:
gem list -d git
*** LOCAL GEMS ***
git (1.0.5)
Author: Scott Chacon
Installed at: d:/ruby/lib/ruby/gems/1.8
A package for using Git in Ruby code.
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I followed the install instruction to install backgroundrb from
http://backgroundrb.rubyforge.org/. But when running "git clone
git://github.com/gnufied/backgroundrb.git" command, I got the error of
no such command git.
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This is my select_tag code:
<%=select_tag 'project_version_select',
options_for_select(@project_versions)%>
How can I set the selected value for this select box?
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I use script/plugin to install plugins. but how to configure the proxy
hostname it uses?
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To post
Vishwanath Nayak wrote:
> Hi,
>
> What sort of tasks do you intend to do?
> Database/ file system/ operating system oriented, appropriate approach
> can
> be decided depending on these
>
> - NAYAK
The task is building source code with gcc.
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I need to run a background task which should last several hours. How can
I do this in rails?
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Ryan Bigg wrote:
> no, you don't have to write the \n.
>
> When people type new lines it automatically puts in the \n, or in some
> cases a \r\n.
>
> This means simple_format will work.
> -
> Ryan Bigg
> Freelancer
> http://frozenplague.net
thanks it works.
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Ryan Bigg wrote:
> simple_format(your_text_here)
> -
> Ryan Bigg
> Freelancer
> http://frozenplague.net
In this way, I have to write \n in the textarea which is not a good user
interface. How can I do some background job to replace the textarea
before it is submitted?
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srj wrote:
> You should not try that because the text area is designed to wrap text
> automatically - there really are not new line characters in the text
> area, unless you manually inserted them. In that case, they should
> remain.
I have input "\n" at each line of the text, but it doesn't wor
I use text_area_tag in a view page and when its action get its value by
params[:id], all the newline will be removed. How can I keep the format
of textarea?
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I use observe_field in a view page to monitor a field (field1). Whenever
field1 changed, a action will render a partial (partial1). In partial1,
I use observe_field to monitor a field (field2).
so the problem is: when a user changed the field1, its action will set
some variables and render the pa
Can anyone help me on this?
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Frederick Cheung wrote:
> That's just the way it is, divs aren't allowed there (just as you
> can't do either). Try putting your html
> through the w3c validator
>
> Fred
A render must be in an element. If I can't use div in this case, how can
I render it?
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Frederick Cheung wrote:
>
> I don't believe it's legal HTML to have a div there.
>
> Fred
Why? Could you tell me what wrong with my code?
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I use render in a view page like this:
<% form_for :project do |form| %>
<%=
select_tag:project_selection,options_for_select(@project_names)
%>
<%=
observe_field :project_selection,
:frequency => 0.5,
:update => 'project_version_ajax',
:url => {:action => 'update
I faced a problem about render. This is my view page:
<%= render :partial=>'test1'%>
In _test1.html.erb:
<%=select_tag 'database_select',
options_for_select(@databases)%>
<%=text_field_tag 'table', @table_name,:size=>30%>
You can see that in the partial page, I use and element
Hi,
Thanks very much for your explaining. You are right. I can make it more
simple.
thanks again.
Zhao Yi
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pepe wrote:
> Another sample based on the original listed above. You cold leave in
> your page:
>
> <%= :render :partial => 'your_A_and_B_partial' %>
>
>
> <%= :render :partial => 'your_C_and_D_partial' %>
>
>
> If 'your_A_and_B_partial' delivers:
> Text A
> Text B
>
> And 'your_C_an
pepe wrote:
> Hello.
>
> I don't see anything wrong with this code. Do you want to do something
> different than this? I guess I am not understanding the problem?
>
> On Dec 31 2008, 6:07�am, Zhao Yi
I mean in this way, I have to split the tag. Take this
I use observe_form to monitor a form, whenever a field changed in this
form, an (Missing template builder/update_make_view_info.js.erb...)
error will be thrown. I don't want to use js format. I want to use
html.erb format. How can I avoid it and why it looks for
update_make_view_info.js.erb? This
I use observe_form to monitor all the fields in a form. But how can I
get which field changed?
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I used form_for to generate a form, but what is the ID of this form, how
can I specify a ID for it.
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I defined a partial and put an observe_field in this partial, but it
doesn't invoke the action when the field changed, this is the code:
<%=select_tag 'project_version',
options_for_select(@project_versions)%>
<%= observe_field :project_version, :update=>'view_name',
:url=>{:action=>'up
Ramu wrote:
> Your code will does this job.
>
> Is your problem some thing like:
> you have a.rhtml file
> int that you have to show _b.rhtml file contents as well as _c.rhtml
> contents?
>
> Then write your code like this:
>
> == This is a.rhtml file
>
> <%= render :partial=>'b'%>
>
> <%
zero0x wrote:
> I suppose you're using prototype, so you just need to get the value of
> the select box.
>
> $("id-of-the-element").getValue()
>
>
>
> On 28. Dec., 15:04 h., Zhao Yi
How can I send more than one parameters?
-
Ryan Bigg wrote:
> Render the other partial inside that partial.
> -
> Ryan Bigg
> Freelancer
> http://frozenplague.net
Sorry, I am confused.
This piece of code is my case:
Version:
<%= render :partial=>'project_version'%>
View Name:
<%= re
I want to render more than one partial in this code:
render :partial => 'project_version'
how can I do this?
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There is a table existed in sqlite3 database. I want to change a column
type in this table. I modified the file
db/migrate/20081229_create_project.rb and run "rake db:migrate". But
it doesn't update the table. How can I update the table with the new
definition.
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I know what the problem. I set up a wrong update value in observe_field
element.
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To post to thi
isplay the same.
> But if you change the value of @project.version after the partial is
> loaded,
> it would not be reflected on the page until you reload the particular
> div
> which has the text field tag with the partial.
>
> -NAYAK
>
> On Tue, Dec 30,
I defines a partial see below:
<%=
puts @project.version
text_field_tag "project_version", @project.version
%>
I want the project version update-to-date. The first line can print the
correct version value but the text field doesn't refresh to the new
version.
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Frederick Cheung wrote:
> You have to tell remote function what to submit, it's not going to
> guess for you.
> This is what the :with option for remote_function is for. Check the
> docs for link_to_remote for some examples, I've got some extra ones at
> http://www.spacevatican.org/2008/5/17/with
es with the values :)
>
> On 28. Dec., 14:08 h., Zhao Yi
In this case:
select_tag: project_selection,options_for_select(@project_names),
:onchange =>remote_function(:update=>'posts',:loading=>'false', :url =>
{ :action => :update_project_selection
I use select_tag to create a selection box in a view and how can I get
the current selection value in its controller? For example:
select_tag:project_selection,options_for_select(@project_names),
:onchange
=>remote_function(:update=>'posts',:loading=>'false',
:url => { :action
Phlip wrote:
> In HTML it's:
>
>onclick='Ajax.Request(...)'
>
> In Ruby that's :onclick => 'Ajax.Request(...)', natch.
>
> To get the ... part, write remote_function or link_to_remote into a web
> page and
> view its source. That will show you how to pack the Request arguments.
>
> --
>
Ryan wrote:
> A more efficient way is to do this is:
>
> @project_names = Project.all(:select => 'name').map(&:name)
Yes the map is what I am looking for.
thanks.
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Ryan wrote:
> I think it's been around since Rails 2.1
>
> Project.first
> Project.last
> Project.all
>
> all work.
I think the first last and all refers to rows. I want to select columns.
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