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
I recently encountered the error above when I was running selenium tests. Thanks to a post on stackoverflow I found...
Using CSS sprites for background images is a technique for optimizing page load time by combining smaller images into a...
Similar to closing an opened browser window, spreewald now supports the I switch to the new browser tab step.
Next time you have to do more than trivial CSS changes on a project, you probably want to have live...
Set the hash to a dummy hash which doesn't hit any id at your page, for example: window.location.hash = "_";
1. Saving files to a directory that is not shared between deploys or servers If you save your uploads to...
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...
Merge requests are often rejected for similar reasons. To avoid this, before you send a merge request, please confirm that...
The Ruby on Rails security list archive can be found here: http://groups.google.com/group/rubyonrails-security You can subscribe to this mailing...
Back in the old days, we couldn't do something like that: .foo { position: absolute; bottom: 0; /* This was bad...
Capybara drivers will usually delete all cookies after each scenario. If you need to lose cookie data in the middle...
In order to clone a git repository including all branches and tags you need to use two parameters when cloning...
When you need to find out in which kind of spec you are during run-time, it's definitely possible...
Sometimes you need a piece of code to do something different for specs than for features. If you don't...
When your site is on HTTPS and you are linking or redirecting to a HTTP site, the browser will not...
git shortlog -s -n [commit-range] -n, --numbered Sort output according to the number of commits per author
We have often felt the pain where our models need to serve too many masters. E.g. we are adding a...
In the following example the method update_offices_people_count won't be called when office_id changes, because it...
We ran into trouble when adding additional compute units to our railscomplete Hosting environment lately. VM-instances on the new...