This note describes how to setup a box running Ubuntu to share its Internet connection with another PC.
Terminus is a Capybara driver where most of the driver functions are implemented in client-side JavaScript. It lets you...
You can now add an :inverse_of option to has_one, has_many and belongs_to associations.... Without :inverse_of...
This returns the name (including path) of your current layout: response.layout => "layouts/admin" # inside views that are using the 'admin' layout...
After switching to Rails 3 you may get a LoadError with the following message when trying to use your application...
You might find that your Passenger ignores all RailsSomething directives in the vhost for your new Rails 3 application. The...
Be careful when using params.merge as params is a HashWithIndifferentAccess. Why? Usually this should not be an issue but it...
In rare cases you might need something like form_for (for using form builder methods on the resulting block element...
I prefer the application that I'm currently working on to be reachable at http://localhost/. So when I switch...
Be careful when memoizing a method that returns a scope, e.g.: def variants scoped(:conditions => { :name => name }) end memoize :variants...
When using form_for you can give the form's target URL either as a string or an array:
The timepicker addon adds a timepicker to jQuery UI Datepicker, thus the datepicker (jQueryUI) is required for using any of...
I’m going to list assumptions your systems probably make about names. All of these assumptions are wrong. Try to...
If you previously used version 2.x of Thunderbird and upgraded to 3.x (for example through an Ubuntu release...
The ancestry gem allows you to easily use tree structures in your Rails application. There is one somewhat unobvious pitfall...
If you need to look at the list of methods that are called upon certain events (like before/after saving etc...
This can be helpful when you need the latest file inside a directory for processing in a shell script:
If you did file operations inside a shell or for example using Nautilus, it can take quite a while until...
If you get an ActiveRecord::RecordNotSaved error, a method inside one of your model's callback chains (before_save etc...
Lately, we’ve been exploring ways to offer web apps that perform like native apps on mobile devices. For this...
Capybara's has_css? matcher has a couple of options you might find useful. Check that a selector appears a...
Even when you're using bundler, it might be significant in which order your gems are listed in your Gemfile...
[ ] [ ]= ** ! ~ + - * / % + - >> << & ^ | <= < > >= <=> == === != =~ !~ && || .. ... ? : = %= { /= -= += |= &= >>= <<= *= &&= ||= **= defined? not or and if unless while until begin/end For more information see Table 18.4 in The Pragmatic Programmer's...
A good tool to generate strong passwords and secrets is "apg". You can get it with sudo apt-get install...