In modern Rails versions you can also use ActiveRecord's pluck method. User.active.pluck(:id) => [1, 5, 23, 42]
You should test the callback methods and its correct invocation in two separate tests. Understand the ActiveRecord note before you...
If you want to rename a key of a Ruby hash, this could help you out. Just put it into...
In july Google announced a new version of their image serach tool Google Images. But you won't find it...
delocalize provides localized date/time and number parsing functionality for Rails.
First of all: You could just use RVM which would make the pain go away. If for some reason you...
You can use the whatlanguage gem to detect the language of a Ruby string. Note that it also has not...
Be careful! The following solution will delete files on a volume. If you don't know exactly what you're...
When you load a record with find options that have SQL fragments in :select or :joins, ActiveRecord will make that...
Physical servers worked, EC2 did not.
In a great post about named routes in Rails, path vs. url, Viget Labs ponders which variant is best used...
This gem is designed to provide CSS views to Rails, and a process to concatenate and minify these files to...
Captify is a plugin for jQuery written by Brian Reavis (@brianreavis) to display simple, pretty image captions that appear on...
A jQuery plugin that sets a div or span to show a countdown to a given time
WMD is a simple, lightweight HTML editor for blog comments, forum posts, and basic content management. You can add WMD...
Expiration of Rails sessions By default Rails sessions expire when the user closes her browser window. To change this edit...
Embedded Flash movies do not always obey element order and z-index. To fix this, set the wmode attribute to...
When submitting textareas, browsers sometimes include carriage returns (\r) instead of just line feeds (\n) at the end of each...
By default, Cucumber uses mocha. This note shows to use RSpec stubs and mocks instead. Rspec 1 / Rails 2
Since RubyMine 3.1 you can drag tabs across panes/windows and out of the main window to create new windows.
sudo apt-get install i8kutils Reboot You can now run the i8k tools such as i8kmon Setting the fan speed...
Call with the server's hostname (and user if you have no SSH agent), e.g. install-gems-remotely my.server.com
The following Haml will do: %head{ :profile => 'http://www.w3.org/2005/10/profile' } %link{ :href => image_path('favicon.ico'), :rel => 'icon', :type => 'image/vnd.microsoft.icon' }
If you want to exclude your staging site from Google using robots.txt without running the risk to forget deleting the...