jQuery doesn't store information about event listeners and data values with the element itself. This information is instead stored...

This guide shows how to create an AngularJS application that consumes more and more memory until, eventually, the browser process...

Obviously, you only can do this for your own sites. You need to authenticate a domain you want to remove...

When uploading images, adding more than one process to a version can cause MiniMagick to run multiple commands. In order...

The linked article explains how to get a database-wide lock without creating table rows: This article explains how I...

Postgres 9.4 introduces a new column type: jsonb. json and jsonb columns store data differently, so just compare the two...

When you are using the #selector_for helper in Cucumber steps, as e.g. Spreewald does, the following snippet will save...

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

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...

Preview what your markdown would look like on Github. Helpful e.g. when writing or extending a Readme for your gem...

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...