Sometimes in the course of development you may need to mock HTTP responses. This is a simple service to return...
Consul 0.9 comes with many new features to optimize powers that only check access to a given record. e.g. Power.current.post...
For websites that don't do JavaScript rendering on the client, it's best practice to put script tags at...
Ruby 1.9 brings a shorter way to define lambdas using the -> operator: twice = -> (x) { 2 * x } twice.call(5) # => 10
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...
Use the click method on the DOM element: let link = document.querySelector('a') link.click()
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.
The ipad onscreen keyboard changes position:fixed style to position:static that misplaces those elements and you'll have problems...
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...
Connect to your memcached host. (AWS elasticache is memcached) telnet foohost23.cs2631.0001.euw1.cache.amazonaws.com 11211 Once you're connected, find out which 'slabs...
Set the hash to a dummy hash which doesn't hit any id at your page, for example: window.location.hash = "_";
You can use xmllint to pretty-print ugly XML files on your terminal. Just say: xmllint --format file.xml
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...
Backbone plugin to override getters and setters with logic.