I have the following models:
class Group :destroy
class Thread :commentable, :dependent => :destroy
class Comment true
acts_as_nested_set The problem I have is that when the user deletes
Tag: ruby
Ruby-on-rails – RSPEC can output a value that makes test failure?
I have this statement:
@obj[:attribute].eql?(“TestValue”).should be_true If not just tell me the test failed, it will tell me it failed, because @obj[:attribute] is zero or 1234 or what it is
Ruby concurrent, process, thread, gil, eventmachine, celluloid
Regarding concurrency and parallelism, it happened not long ago. A group of colleagues went to Family Mart to buy lunch, and brought them back. The company only has one microwave oven for heating,
Ruby – Regular expression, look for strings that include but not starting with strings
I am parsing a text file, traversing each line, and I am having trouble finding regular expressions. Part of this parsing involves changes appearing, for example: & Eacute; and & eacute;
Ruby-on-rails – Error message in Ruby on Rails
I implemented the validates_presence_of field for the comments in the guide. How to display validation errors on the post page. I know the rendering, but with the rendering I need to send all the v
Ruby-on-rails – Use view part of the view
I have been using an oscilloscope to display some information to show the to-do items that have been completed and 24 hours a day
scope :completed, joins(:user).where(:todos => {:complete =>
Why is Ruby’s array.map () is also known as array.collect ()?
Whenever I see Ruby code saying:
arrayNames.collect {… } < p>I forgot what I collected, I have to find out what it is, and found that it is the same as map().
Map, I can understand, t
Ruby-on-rails – Rails 3 – Custom XML Response
Currently I am using this:
if @part.save
format.xml {render :xml => @part, :status => :created, :location => @part }
else
format.xml {render :xml => @part.errors, :status => :unprocessable_
Ruby-on-rails – the difference between “where” and “find”
This is almost answered in Difference Between find and Where with Relationships, but it is not complete. (Please note how I change the title of the question cleverly!)
I do a query
a = Libat
Ruby – How do I learn in class?
class X
def initialize
@name = “Bob”
end
blah blah
end
puts X.new # I want this to print X:Bob
puts [X.new, X.new] # I want this to print [X:Bob, X:Bob] to_s method of overriding clas