Remove some old binaries (commands still exist in geordi) and mark others as deprecated Rewrite deploy command to support...

Until recently, you could open a new tab via window.open when using execute_script in Selenium tests. It no longer...

CSS4 comes with :has. E.g. h1:has(b) would select all tags that contain a tag. This is implemented in...

Regular expressions in Javascript are represented by a RegExp object. There also is a regex literal as in many other...

You know that Devise offers RSpec test helpers for controller specs. However, in request specs, they will not work.

The puppet server caches custom functions. If you edit an existing function (e.g. while you’re developing it), you’ll...

Ruby has the class Proc which encapsulates a "block of code". There are 2 "flavors" of Procs: Those with "block...

Table of contents of the linked article: What are Web Fonts? Advantages of Web Fonts Disadvantages of Web Fonts

You can use mail-tester.com to check your application's e-mails for issues that might cause e-mails to be...

Sometimes you just want to have a small web server that serves files to test something. Serve the current directory...

When you're developing a gem, never list the same dependency as both runtime and development dependency in your .gemspec...

If you get an error like: subprocess installed post-removal script returned error exit status 78 when installing/removing/updating a package...

You want to test your 1GE or 10GE internet uplink? We needed to ensure we have full 10GE to the...

Some tasks in a web application are better not done live when a user request a page, but in the...

Starting with Ruby 1.9, most #each methods can be called without a block, and will return an enumerator. This is...

I figure we needed a definitive reference for what work is triggered by changing various CSS properties. It's something...

A fantastic guide for a dilemma facing any web-based product. Here’s a simple set of Yes/No questions that...

While debugging an intricate issue with failed HTTP requests I have come to appreciate the more advanced features of the...

With ngAnimate, you can easily animate certain events (see directive support). We'll make use of ngClass animations to style...

Understand how nested attributes appear in the params. See how the Rails form helpers encode the names of nested...

I recommend install Node.js using nvm. This way you can have multiple Node versions in your ~/.nvm. You also won...

SitePrism gives you a simple, clean and semantic DSL for describing your site using the Page Object Model pattern, for...

Some dozen generic API endpoints you can use to test how your HTTP client deals with various responses, e.g.

Many of our clients can't or don't want to design their user interfaces. In the absence of a...