Good article about window functions. Also note how they use a postgres feature called common table expressions.
Great crash course into basics and common mistakes.
jQuery doesn't store information about event listeners and data values with the element itself. This information is instead stored...
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...
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...
The easiest way to detect touch-capable browsers is to check for the presence of touch events. It is no...
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...
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...
Preview what your markdown would look like on Github. Helpful e.g. when writing or extending a Readme for your gem...
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...
If you're getting this strange error message when setting debugging breakpoints, probably HAML is the culprit. Cause
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.