A PostCSS plugin for adding ?if media queries inside rules and inline with property values. A great way to keep style values for different media queries neatly organized and grouped together under their natural rules. Use with PostCSS Media Minmax and PostCSS Custom Media for best effect.

A PostCSS plugin to fix an element's dimensions to an aspect ratio.

This is a brisk introduction to Docker, to get you up and running as quick as possible with a decent understanding of the command line tools and the architecture of Docker containers.

I was trying to transcode the AC3 5.1 (6ch) audio in some MKV videos to 2ch stereo AAC, using avconv command line, and discovered that it’s native support for AAC isn’t great. An alternative is to use the Fraunhofer libfdk_aac encoder, but it isn’t available in standard system packages of libav or ffmpeg, due to licensing quirks. But you can build your own avconv from source with libfdk_aac support, and here’s a quick howto, from the terminal.

The current stable release of Glade on Ubuntu 14.04 and up is 3.18.0 and doesn’t include many of the newer widgets and layouts available in GTK+ 3, so let's build the newest stable release, 3.19.0, which does have the new stuff.

A PostCSS plugin for some common CSS layout patterns and a Grid system. Demo

An article on cross platform development tools and methods for Envato Tuts+.