One reason programmers dislike meetings so much is that they're on a different type of schedule from other people...
The linked page lists and explains global Ruby "dollar" variables, such as: $: (load path) $* (ARGV) $? (Last exit status) $$ (PID)
The cookies object in your controllers and views is a ActionController::CookieJar and even though that class inherits from Hash...
$RANDOM on bash returns a random integer between 0 and 32767. echo $RANDOM 9816 echo $RANDOM 30922
Using CSS sprites for background images is a technique for optimizing page load time by combining smaller images into a...
Create a 1 GB file to swap to (we have sufficient space on / on this machine. Use a different partition...
Next time you have to do more than trivial CSS changes on a project, you probably want to have live...
Did you know you can do in-place batch processing with plain ruby? The following script will in-place replace...
Set the hash to a dummy hash which doesn't hit any id at your page, for example: window.location.hash = "_";
Remember why preloading associations "randomly" uses joined tables or multiple queries? If you don't like the cleverness of this...
A great and enjoyable introduction into the concept of the web and about what HTTP was designed for. The original...
1. Saving files to a directory that is not shared between deploys or servers If you save your uploads to...
Rails 4.0 is finally ready after a thorough process of betas and release candidates. It's an amazing new version...
This card shows how to upgrade a Rails 2 application from Rails 2.3.8 through every single patch level up to...
Active Record's select method allows you to make use of the power of MySQL select statements. On the one...
Here is a good explanation for zombie processes. Quote: If you have zombie processes it means those zombies have not...
The Rails secret_token must be unique for each application and any instance of it. If not, someone could exploit...
ActionMailer per default uses http as protocol, which enables SSL-stripping. When a logged-in user follows an http link...
Coffeescript allows you to create classes whose methods are automatically bound to the correct this. You can do this by...
Merge requests are often rejected for similar reasons. To avoid this, before you send a merge request, please confirm that...
Put the attached files into your home directory and enjoy. .irbrc defines interesting_methods, which is essentially all methods without...
Essential backports that enable many of the nice features of Ruby 1.8.7 up to 2.0.0 for earlier versions.
Our development process makes us deploy very often. As the number of releases grows, junk clogs up the hard drive...
Good article that tells you how to change behavior of certain keys via xmodmap (with the help of exv if...