Most of the time it is a tedious task to apply a code style guide to an existing code...
When using Chrome for Selenium tests, the chromedriver binary will be used to control Chrome. To debug problems that stem...
This repository is a community-curated list of flexbox issues and cross-browser workarounds for them. The goal is that...
The main benefit of our convention to prefix commits by their corresponding Pivotal Tracker ID is that we can easily...
CSS transitions are a simple animation framework that is built right into browsers. No need for Javascript here. They're...
Example (broken in IE): flex: 0 1 calc(50% - 20px) Workaround: flex-basis: calc(50% - 20px) flex-grow: 0 // Default...
Within a Flexbox layout, there are multiple CSS attributes that may affect a child's basis (the initial width before...
Rails is split into a large number of (sub-) frameworks. The most important and central of those are activesupport (extends...
You can share a state in Ruby with global variables. Even if you should avoid them whenever possible, for debugging...
General hints on the DOM the root of the DOM is document custom elements inherit from HTMLElement. They need a...
When an AJAX request raises an exception on the server, Rails will show a minimal error page with only basic...
Two weeks ago, Cloudflare was struck by a global outage that lasted ~30 minutes. The incident was rooted on a...
webpack is a very powerful asset bundler written in node.js to bundle (ES6) JavaScript modules, stylesheets, images, and other assets...
From Ubuntu 17, rbenv fails to install Ruby below 2.4 because of a mismatching OpenSSL dependency: it needs libssl1.0-dev for...
git apply allows you to apply a diff onto your HEAD. Most often you can achieve the same result with...
RubyMine comes with a nice way to grep through your project's files: The finder (ctrl + shift + f). Don't...
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...
If rspec hangs with no output and you dont get a backtrace neither with --backtrace nor by just killing it...
In Ruby on Rails, all objects have a useful blank? method. It returns true for nil but also for empty...
Travis changed their default distribution from Ubuntu 14.04 (trusty) to 16.04 (precise). This might break your test setup for new...
Not all versions of Node.js are compatible with each other. Also npm packages may require a minimum or maximum version...
When you update your ChromeDriver to version 75 or beyond, you might get w3c errors in your tests.
Cucumber up to version 2 had a neat feature called Step Argument Transforms which was dropped in favor of Cucumber...