I'm looking to develop my first Facebook application and therefore looking for some advice on where to get started.
I've spent a few hours browsing Facebook's Developer Wiki, Facebooker library, looking at the sample chapters in "Developing Facebook Applications with Rails" by Pragmatic Programmers, etc.
Since FB is constantly changin...
I've seen somewhere but can not remember. How to get a SQL string from an ActiveRecord object?
Client.find(1).to_sql_string
...
I would like a has_many association that works like so:
class Hood
acts_as_tree
has_many :houses, :union_with => :parent
end
class House
end
where any House associated with Hood 1 would also be returned in .houses of subhoods of Hood 1, along with the subhoods' individual associations.
The association only needs to work from the...
According to rake routes, there's the same path for getting an index of objects as there is for creating a new object:
cars GET /cars(.:format) {:controller=>"plugs", :what=>"car", :action=>"index"}
POST /cars(.:format) {:controller=>"plugs", :what=>"car", :action=>"create"}
Obviously, the HTTP verb is what distinguish...
My app is sending messages to client groups. I send message to each client in a loop.
I'm using 3 ActiveRecord models:
class Message < AbstractBase
has_and_belongs_to_many :groups
end
class Client < ActiveRecord::Base
has_and_belongs_to_many :groups
end
class Group < ActiveRecord::Base
has_and_belongs_to_many :messages
has_an...
I'm using paperclip to upload a pdf. Once the file is uploaded I need to split every page into a png. This is the command I think I need to use
convert -size 640x300 fileName.pdf slide.png
Now if I run that command from terminal it works fine, but I need a way of getting each slides name so I can add it into a model.
What's the best w...
In my Rails project I'm using Formtastic to manage my forms. I have a model, Tags, with a column, "group". The group column is just a simple hardcoded way to organize my tags. I will post my Tag model class so you can see how it's organized
class Tag < ActiveRecord::Base
class Group
BRAND = 1
SEASON = 2
OCCASION = ...
I have the following model with a virtual attribute
class Mytimeperiod < ActiveRecord::Base
validates presence of :from_dt
validates_format_of :from_dt, :with => /\A\d{2}\/\d{2}\/\d{4}\Z/, :message => "format is mm/dd/yyyy"
def from_dt
self.from_date.strftime("%m/%d/%Y") if !self.from_date.blank?
end
def from_dt=(from_...
If you build a projection like this:
t = Arel::Table.new(:projects)
ps = t.project(t[:id].as(:snark))
How do you get the result column that's named :snark?
...
Hello, I've been a PHP Developer for a few years now and I've recently been interested in learning Ruby & Rails but I've found a lot of the resources I've found seem to be dated and not for Rails 2.0 or Ruby 1.8.6 etc... can anyone point me in the right direction?
I'm running OSX 10.6 with the default ruby & rails installation.
Thanks!...
Anyone have any "best practices" tips for Rails and sessions? The default session type for Rails3 is still cookie store, right? I used SqlSessionStore for a while and it worked well, but I may move away from that in favor of CookieStore.
Is it still not a good idea to use CookieStore for sensitive info, even with salted info or is that...
Stupid question, and forgive me for asking, but someone is asking me, and I am not a super expert with Rails yet.
Suppose I have some Rails gem I write. Now suppose a customer has some other framework, like Django or CakePHP, and I want to provide the functionality offered by my gem (eg. CRUD for automotive data) to them as a module in ...
Ok, I've been trying to get this to work like all day now and I'm barely any further from when I started.
I'm trying to get Ruby On Rails to connect to SQL Server. I've installed unixODBC and configured it and FreeTDS and installed just about every Ruby gem relating to ODBC that exists.
(This has been updated to show the output of isq...
I'm trying to unit test an observer in rails but none of its callbacks are being invoked. I'm sure I have something configured incorrectly but just to be sure I was wondering if this may be a Rails limitation during unit testing.
I've looked at the docs and they don't mention anything.
...
I want to start up my Rails development server like this:
script/server OFFLINE_MODE=1
and have a method in application_controller.rb that checks for the presence of that constant:
helper_method :offline_mode?
def offline_mode?
defined?(OFFLINE_MODE) ? true : false
end
so I can hide stuff in my app when I'm coding without access ...
I'm trying to use collectiveidea's delayed_job gem
The installation instructions include
Rake tasks are not automatically loaded from gems, so you’ll need to add
the following to your Rakefile:
begin
require 'delayed/tasks'
rescue LoadError
STDERR.puts "Run `rake gems:install` to install delayed_job"
end
Where is my Rakefile? And...
Summary: Failed unit tests tell me which assert (file:line) failed, but not which validation resulted in the failure.
More info: I have 11 validations in one of my models. Unit testing is great, whether I run `rake test:units --trace' or 'ruby -Itest test/unit/mymodel_test.rb'. However, despite the fact that it tells me exactly which ...
I have the same problem as in the following post.
So I am wondering, why doesn't Rails support generating foreign keys by default?
Isn't it necessary?
Or are we supposed to do it manually?
...
I recently installed a fresh development setup on my laptop and now notice that my instances of spork take several minutes to start up. This is also most likely of the RSpec and Cucumber tests start up times running super slow.
I ran in diagnostic mode with the -d flag and received the output below. Anyone have a clue why this is sudd...
Hi All,
Sorry for this question but after spending 1-2 hours on how to read xml, i thought posting it on forum will be better.
So i get a complex (very large)xml response from the plugin trackify. i want to read some values from it so i convert it into hash and then read it as follows
For ex:- to read city
@tracking_info['TrackResponse...