Hello all,
given the following models and console log: https://gist.github.com/3735116
I do not understand why the latter statements (o.order_items and o.total)
yield sql queries.
Have I missed something in AR documentation? What should be done to get rid
of redundant sql queries?
--
You
I'm a graduating student of IT right now and in a couple of months, we'll
be starting on a new project in the University. My group and I decided to
create a voting system which requires Fingerprint scanner to identify the
voters and make the voting process more secured. I still don't know how
On Monday, September 17, 2012 2:45:05 AM UTC+1, Dennis Krupenik wrote:
Hello all,
given the following models and console log:
https://gist.github.com/3735116
I do not understand why the latter statements (o.order_items and o.total)
yield sql queries.
Have I missed something in AR
Hi!
On Mon, Sep 17, 2012 at 12:45 PM, RoR newbie johnelau...@yahoo.com wrote:
I'm a graduating student of IT right now and in a couple of months, we'll
be starting on a new project in the University. My group and I decided to
create a voting system which requires Fingerprint scanner to
Hello,
I try to learn myself Ror by following this tutorial :
Now I have to make this exercise :
Make a Contact page for the sample app. First write a test for the
existence of a page at the URI /static_pages/contact. (Hint: Test for the
right title.) Then write a second test for the title
Firstly, it doesn't seem right to make a decision while you are still
unsure if that is doable by the deadline. In theory I don't see why it
couldn't be possible, just it could require a lot of work. But isn't it the
point for your group of educated people to come up with something in such a
Indeed this is confusing. Can you provide an URL for the exercise?
2012/9/17 roelof rwob...@hotmail.com
Hello,
I try to learn myself Ror by following this tutorial :
Now I have to make this exercise :
Make a Contact page for the sample app. First write a test for the
existence of a page
Panayotis Matsinopoulos, I think we agree on the issue of getting enough
basic info from the initial ad text. I felt my thoughts about Greece was
correct in general, but loosely (and harshly) phrased. So I take the
bankrupt word back; though that's how I'd feel about this particular
country of
Thanks Friends. All the above links are really very helpful. :)
On Saturday, September 15, 2012 10:46:15 AM UTC+5:30, Samir wrote:
Hi Friends. I am extremely new to Ruby. can you please suggest me how to
proceed to grab this in a short span of time...
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On Friday, September 14, 2012 7:00:40 PM UTC+5:30, Samir wrote:
Can any body please help me to solve this?
Create a lottery app which will take a number as parameter and there will
be a set of number from 0 to n random number every time.
If the given number matches the random
Here I have tried a bit.
class Constlottery
def self.rand_number
randoms = []
loop do
puts Enter a random number
new_number = gets.chomp
if new_number.to_s == rand(1..9).to_s
puts You are winner
return
On Mon, Sep 17, 2012 at 7:02 PM, Samir samirkanta.d...@indusnet.co.inwrote:
Here I have tried a bit.
class Constlottery
def self.rand_number
randoms = []
loop do
puts Enter a random number
new_number = gets.chomp
if new_number.to_s
Hi Jim. Thanks for the Suggestions. I will definitely work on it..But as i
am new to Ruby m a bit worried how to catch the track and jump for
development.
On Monday, September 17, 2012 2:43:47 PM UTC+5:30, jim wrote:
On Mon, Sep 17, 2012 at 7:02 PM, Samir
On Mon, Sep 17, 2012 at 7:28 PM, Samir samirkanta.d...@indusnet.co.inwrote:
Hi Jim. Thanks for the Suggestions. I will definitely work on it..But as i
am new to Ruby m a bit worried how to catch the track and jump for
development.
Is this something that the university gave you as a personal
Personal Exercise
On Friday, September 14, 2012 7:00:40 PM UTC+5:30, Samir wrote:
Can any body please help me to solve this?
Create a lottery app which will take a number as parameter and there will
be a set of number from 0 to n random number every time.
If the given number matches
http://ureddit.com/class/40250/web-programming-with-ruby-on-rails -
This is a good choice to supplement with the Ruby on Rails tutorial.
Once you get through these comfortably, you can move onto more
advanced topics, and books.
Also, Try keeping a blog as a journal and keep track of your day to
Hi, Thanks for the Link. I am working on Linux environment
On Monday, September 17, 2012 3:22:51 PM UTC+5:30, Wasif Hyder wrote:
http://ureddit.com/class/40250/web-programming-with-ruby-on-rails -
This is a good choice to supplement with the Ruby on Rails tutorial.
Once you get through
Yes, I can.
The exercise can be found here :
http://ruby.railstutorial.org/chapters/static-pages#sec-static_pages_exercises
Roelof
Op maandag 17 september 2012 10:07:48 UTC+2 schreef Dihital het volgende:
Indeed this is confusing. Can you provide an URL for the exercise?
2012/9/17 roelof
OK I am lost in this particular workflow. You should just test for title
and that's it. I don't see how 2 specs are needed for that. Sorry I
couldn't help.
2012/9/17 roelof rwob...@hotmail.com
Yes, I can.
The exercise can be found here :
Well, if you're trying not to look at the answer - the first test is meant
to look at the title that is actually displayed on the page (i.e.
heading), and the second test is supposed to check the actual HTML page
title (i.e. title tag).
On Mon, Sep 17, 2012 at 9:11 PM, roelof rwob...@hotmail.com
thanks a lot, that did it
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I am trying to connect to an external database from my Rails
application. In my datanase.yml file, I have the following:
external_db:
adapter: mysql2
database: external_src
username: external_src
password: mypassword
host: myblog.com
The database is going to called to retrieve data
Indeed, you are right! I saw what I was doing wrong.
Thank you,
Josh
In your wisdom, I am humbled
On Sunday, September 16, 2012 10:26:02 PM UTC-7, Hassan Schroeder wrote:
Actually, your app goes to some blank page. The guide I linked to
earlier explains how to control that :-)
If that's
On Sep 16, 2012, at 8:45 PM, RoR newbie wrote:
I'm a graduating student of IT right now and in a couple of months, we'll be
starting on a new project in the University. My group and I decided to create
a voting system which requires Fingerprint scanner to identify the voters and
make the
On Sep 17, 2012, at 12:14 PM, Scott Ribe wrote:
On Sep 16, 2012, at 8:45 PM, RoR newbie wrote:
I'm a graduating student of IT right now and in a couple of months, we'll be
starting on a new project in the University. My group and I decided to
create a voting system which requires
(I'm having some hard time for days to manage to chose a random item
from teh database and to be able to pass it further.)
It is basic operation and i tried several ways all, brought me to the
same problem, params {id = random} - the name of the controller
method
controller:
def random #
Rails newbie here, I have been stuck on this for two days and can't figure
out why its not working.
I want users to confirm/verify themselves by entering their current/old
password before any information is updated.
This is what My user_controller update action looks like
I'm currently using
On Mon, Sep 17, 2012 at 9:31 AM, Bogdan M. li...@ruby-forum.com wrote:
controller:
def random
@task = Task.find(rand(Task.first.id..Task.last.id))
# REMOVE - UNNECESSARY render random
end
random.html.erb
%= @task % # i want it to make it work, if i pass manually
And if so, is there a better place than the google group?
I have installed twice on OS X 10.6.8 (with nginx, using rvm), once on a dev
system where I have had absolutely no problem, and once on a test system where
PassengerHelperAgent crashes and results in the app being inaccessible every
few
So we must build an entire class just for sake of more specific rescue
statements:
class MyError StandardError
end
try_counter = 0
begin
try_counter += 1
puts 'Here 1'
raise MyError.new Text unless try_counter 5
puts 'Here 2'
rescue MyError
puts 'Here 3 - MyError encountered'
retry
This is not a rails question at all. It's a web browser fingerprint
scanner question.
Is there any way to access fingerprint scanner results from a web browser?
If so, using RoR to handle the backend of the web application is no
different than any other web app. If not, rails
For some reason my gem file in my rails app shows outdated versions of gems
even though i've updated.
Ie. gem 'uglifier', '= 1.0.3'
However after running bundle update my terminal showed
Using uglifier (1.3.0)
Is there a dependency path that is incorrect? How can I make sure my
gemfile
On Mon, Sep 17, 2012 at 2:44 PM, wragen22 bradwr...@gmail.com wrote:
For some reason my gem file in my rails app shows outdated versions of gems
even though i've updated.
Ie. gem 'uglifier', '= 1.0.3'
However after running bundle update my terminal showed
Using uglifier (1.3.0)
Is there
Ok. Something interesting though. I've updated the version in the
gemfile. Then when I run bundle update the gem file is then modified and
version reverts back to old versions.
On Monday, September 17, 2012 12:48:44 PM UTC-7, Jordon Bedwell wrote:
On Mon, Sep 17, 2012 at 2:44 PM, wragen22
Shameless bump ... can anyone help on this?
On Thursday, September 13, 2012 9:32:34 AM UTC-5, Brian Ekmark wrote:
I want to be able to change one attribute of a link_to to be what is the
current selection of the collection_select. And needless to say I can't
quite figure it out.
Hello,
I'm trying to install a specific gem but getting this error message below.
ERROR: Error installing nokogiri:
ERROR: Failed to build gem native extension.
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/bin/ruby
extconf.rb
mkmf.rb can't find header files for ruby
On Tue, Sep 18, 2012 at 7:16 AM, Brian Ekmark brian.ekm...@gmail.comwrote:
Shameless bump ... can anyone help on this?
On Thursday, September 13, 2012 9:32:34 AM UTC-5, Brian Ekmark wrote:
I want to be able to change one attribute of a link_to to be what is the
current selection of the
In Ruby, classes are never closed: you can always add methods to an
existing class. This applies to the classes you write as well as the
standard, built-in classes. All you have to do is open up a class
definition for an existing class, and the new contents you specify
will be added to whatever's
Hi,
I have a Rails 3.2 app. There is a specific request that takes a long
time to execute. The context is, the user uploads a pdf, and then we
have some processing through carrierwave + rmagick that generate a
jpeg from the first page of the document. Everything works in dev mode
using both
For actions that take a lot of time I suggest to send it to the background
if possible, you can use:
- resque https://github.com/defunkt/resque
- sideqik http://mperham.github.com/sidekiq/
Regards
2012/9/17 Sebastião Giacheto F. Júnior sebastor...@gmail.com
Hi,
I have a Rails 3.2 app.
So it does appear that the ActionController::Rendering module does
include AbstractController::Rendering, which means a call to super in
the render method of ActionController::Rendering will in turn call
the render method of AbstractController::Rendering. What makes this
somewhat confusing is
Thanks for your reply, but there's actually no need for speed increase
or scalability whatsoever so there's no need to setup a background job
queue system. If I cannot solve this problem, I'll probably try thin
instead of passenger. I'm actually curious about the solution of this
issue :D
On Sep
Many times I find best to use Nginx + unicorn as the app server, you might
give that a try.
2012/9/17 Sebastião Giacheto F. Júnior sebastor...@gmail.com
Thanks for your reply, but there's actually no need for speed increase
or scalability whatsoever so there's no need to setup a background job
gem install pg give the following error, please help how can i solve this
Building native extensions. This could take a while...
ERROR: Error installing pg:
ERROR: Failed to build gem native extension.
/home/saravanan/.rvm/rubies/ruby-1.9.3-p194/bin/ruby extconf.rb
checking for
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
On 09/18/2012 01:29 AM, Saravanan P wrote:
gem install pg give the following error, please help how can i
solve this
Building native extensions. This could take a while... ERROR:
Error installing pg: ERROR: Failed to build gem native extension.
PDF file is crashing in my app because of the images present in the pdf
which are madeup of polygons so i tried to convert the pdf to images and
images back to pdf but there is drastic change in the quality of pdf
so i tried to view the pdf in browser and to convert the html to pdf.
Is it possible
Hello Everyone,
Thanks everyone.Finally got a solution while searching things that you
all had explained.
There is a docx gem for parsing docx file and docx-html for convert it
into HTML.
require 'docx'
d = Docx::Document.open('example.docx')d.each_paragraph do |p|
puts dend
and for
i already installed postgresql. postgresql-dev i think its not a package,
did you mean libpq-dev. if yes i already installed that too. i am using
ubuntu 12.04. In my error
checking for pg_config... yes
Using config values from /usr/bin/pg_config
checking for libpq-fe.h... yes
checking for
Hi folks,
Good day!
*I want to find the largest value of given 3 values.*
*Please suggest me,the simple ways of finding the largest value.*
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