If you are in the middle of a file and want to scroll, but don't want to move your...
The addon lets you set the format of the dates used for the year and month folders that the Archive...
This is now part of geordi. Please don't follow the instructions below, if you use geordi. Inspired by the...
Passenger gives you the possibility to define in which environment your app should be started. This has to be added...
When you have a program running in a hidden X screen (like with Xvfb for Selenium tests) you may want...
The Javascript code below is a rough equivalent to the simple_format helper that ships with Rails: function simpleFormat(str...
If you're writing a spec for an application using Resque, you may need to work off queues manually without...
Resque comes with its own dashboard (Resque server) that you can mount inside your Rails 3 application with #config/routes.rb:
Note: While the solution in this card should still work, we prefer another solution now: Hide your Selenium browser window...
Note: If you are currently working with Ruby 1.8.7 or 1.9.3, we recommend to upgrade to Ruby 2.1 first. From...
File.chmod(0604, '/path/to/file') # rw----r-- The leading zero is meaningful.
This note describes how to kick a user out of a Rails application after she hasn't requested an action...
When you create a temporary file (e.g. to store a generated Excel sheet) and try to send it to the...
Ubuntu comes with keyboard layouts like "Germany Eliminate Dead Keys", which are practical for programming. If you need to type...
In Rails 2, you could use link_to_remote...
...:update => 'id' to automatically replace the content of $('#id').
If you use Selenium and Launchy to open web pages, you might run into an error saying "Your Firefox profile...
Free Hoptoad/Airbrake alternative which can capture exceptions from any platform. It comes with a Rails notifier and a RESTful API...
Below you can find the hex color codes for the Color Graphics Adapter palette which used to be popular in...
Note that this card is very old. You might want to use ActiveType for your auto-coerced virtual attributes instead...
When have you last used your caps lock key? On purpose? Right... In Gnome Make it an additional ESC key...
In order to use different encodings than ASCII for HTTP headers use the following syntax: Header-Key: Header-Value; Parameter...
We usually generate our commit messages from Pivotal Tracker IDs and titles, like [#15775609] Index view for conflicts
Just in case you did not know it: If you sent a Skype message containing a typo, you don't...
Sometimes you need a file of some size (possibly for testing purposes). On Linux, you can use dd to create...