Array#flatten by default flattens an array recursively. To only flatten the array for e.g. one level, it takes an...
Gem to show failing specs instantly. Unlike the --fail-fast option it doesn't abort abort on the first failure...
When running migrations with rake db:migrate, there's the STEP and VERSION parameters that you can pass to nearly...
It's like a GUI for the famous git add [-p]. Select files with the up/down-keys and hit
The easiest way to detect touch-capable browsers is to check for the presence of touch events. It is no...
The Javascript in operator does what Hash#has_key? does in Ruby: Return whether an object has a property.
TL;DR Block formatting contexts establish an isolating container. float and clear only apply to elements within such a container...
The CSS property z-index is not as global as you might think. Actually, it is scoped to a so...
Right-click on the table Select Table... Select Text flow Uncheck Allow row to break across pages and columns
To find a hash key by it's value, i.e. reverse lookup, one can use Hash#key. It's available...
tldr; Use git diff -M or git diff --find-renames when you've moved a few files around. Usage
If your angular app is not served on /, but on a different url (say /admin), links generated with ui-router...
Flickraw is a library to access flickr api in a simple way. It maps exactly the methods described in the...
With ActiveSupport you can say: class Robot def self.likes_humans? 'Nope.' end delegate :likes_humans?, to: :class end Robot.likes_humans...
This will list all branches matching your query as input options for git checkout greckout ar 1) ar/cache-api-keys-1098...
If you want to load an SQL dump from an ActiveRecord migration, you might find this to be harder than...
In this post, I'll walk you through the four phases of the typical journey into coding and what you...
I've pushed an update to Cucumber factory that simplifies working with FactoryGirl factories. Say you define a factory with...
SVG files are often much larger than necessary, containing comments, metadata, hidden elements etc. Optimize them with this tool.
To only stub a method call if a given argument is used, but use the default implementation for other arguments...
Using uncountable resources is not recommended as it breaks Rails' magic, e.g. when using form_for. You'll always be...
If you get this error (probably because you want to load some modules): # modprobe xt_comment FATAL: Could not load...
I couldn't successfully execute a simple iptables command and got this error on an Ubuntu server: # /sbin/iptables -I INPUT...