Line-height and vertical-align are simple CSS properties. So simple that most of us are convinced to fully understand...

RubyMine comes with a nice way to grep through your project's files: The finder (ctrl + shift + f). Don't...

CSS support in major e-mail clients is horrible. This will give you an overview what you will not be...

webpack is a very powerful asset bundler written in node.js to bundle (ES6) JavaScript modules, stylesheets, images, and other assets...

In a nutshell: Do not use evaluate_script. Use execute_script instead! Capybara gives you two different methods for executing...

Functions and mixins are very similar in nature. Because they can both accept variables, you might end up creating a...

When your site is on HTTPS and you are linking or redirecting to a HTTP site, the browser will not...

Element finding is a central feature of Capybara. Since #find is normally used to get elements from the current page...

Jasmine has long standing support for writing asynchronous specs. In days gone by we used the done callback to achieve...

The goal is to get Jasmine specs running in a Rails project using Webpacker, with the browser based test runner...

Eduardo Russo was tired of complex favicon creation and created his own favicon generator. It's really easy and allows...

Cucumber up to version 2 had a neat feature called Step Argument Transforms which was dropped in favor of Cucumber...

Sass lets you easily specify multiple selectors at once like this: .some-block &.has-hover, &:hover outline: 1px solid red...

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

Until Capybara 2, node finders that accept a text option were able to find nodes based on rendered text, even...

TL;DR A z-index larger than 10 should rarely be needed. The CSS property z-index is not as...

Is your application doing something expensive every few seconds? Maybe an animated slider that rotates images? Maybe you are updating...