Awesome Sass plugin to experiment with Subtle Patterns based textures. It automatically removes the base color from the pattern, leaving...
So you client has asked you to implement a row of buttons to like the URL on Facebook, Twitter and...
When two elements with display: inline-block are sitting next to each other, whitespace between becomes a space character.
$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...
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...
This card shows how to upgrade a Rails 2 application from Rails 2.3.8 through every single patch level up to...
Here is a good explanation for zombie processes. Quote: If you have zombie processes it means those zombies have not...
Back in the old days, we couldn't do something like that: .foo { position: absolute; bottom: 0; /* This was bad...
Awesome battle report from Pinterest trying to scale their setup using different approaches. When you push something to the limit...
When you use ab to do some performance benchmarking, you might run into output like this: Complete requests: 200
Find out in this short guide, how to horizontally center a absolute positioned container with CSS. Note: We have a...
The way Rational#to_s works on Ruby has changed from Ruby 1.9 on. Here is how to get the...
In Ruby 1.9, instance_eval calls the block the with receiver as the first argument: In Ruby 1.8, receiver.instance_eval...
So you want to find out how many horizontal pixels you have available on a mobile device. This is super...
If you use Tempfile and pass your own filename containing an extension, it will just be consumed by the Tempfile...
li.active a:link Example output (specificity): | 0 | 2 | 2 | See also: https://www.codecaptain.io/tools/css-specificity-calculator
When you have a Pull Request on GitHub that includes commits from another Pull Request, you will still see them...
The basic idea is pretty simple: an element's height is accessible via the offsetHeight property, its drawn height via...
Debugging .htaccess is hell, and RewriteRules in particular if they are not working as expected. But fear not! RewriteLog will...
ActiveRecord has a feature called counter caching where the containing record in a has_many relationship caches the...
When you have two models in a has_many, has_one or belongs_to association, the :inverse_of option in...
Generally, Selenium tests use the browser to interact with the page. If it's unavailable, a timeout error is...