The ruby sass gem also installs a command line tool to convert to and from SCSS. Use it for a...
CSS transitions are a simple animation framework that is built right into browsers. No need for Javascript here. They're...
This favicon generator will guide you to a perfect set of favicon files, suitable for all devices and situations (browser...
Unfortunately I couldn't find a complete and working documentation on how to do this. But this steps succeeded (at...
There are several ways to merge two (or more) PDF files to a single file using the Linux command line...
Edge (and some versions of Internet Explorer, like IE11) use to render a × clear input button on text fields. While...
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...
When upgrading Clearance, pay attention whether the password hashing strategy might have changed. Old clearance versions (< 1.0) used SHA1-encrypted...
MariaDB (and MySQL) is released in different versions with different behaviors. For backwards compatibility this can be managed with the...
If you use webpacker in your Rails application, and you have completely disabled Sprockets, you might get the following error...
When a user shares your content, a snippet with title, image, link and description appears in her timeline. By default...
You can share a state in Ruby with global variables. Even if you should avoid them whenever possible, for debugging...
Capistrano automatically logs each (successful) deployment into a file on your application servers. It is located at the root of...
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...
Sometimes, due to git or other "accidents", important files get deleted or overwritten. At a state when even Ctrl+Z...
collectd5 in version 5.9.0 is broken and you upgraded it everywhere. But because it's FreeBSD it does not...
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...
Inspecting the source of an email does not always reveal the plain HTML source, but some encoded byte mess. In...
RubyMine comes with a nice way to grep through your project's files: The finder (ctrl + shift + f). Don't...