The parallel-gem is quite easy to use and can speed up rendering time if you want to render the...
Imagine the following HTML structure, where the scrolling container has overflow-y: scroll: +--scrolling container+-+ | | | +-child element+----+ | | | ++iframe++ | | | | | | | | | | | | | | +-----------------------+ | | | | <-- actually cut...
When you load a dump for development, records may reference images that are not available on your machine.
RubyMine allows bookmarking lines of code. This is super-helpful when working on a complex problem. I've been using...
When filling out forms in Selenium tests, Chrome shows the (usual) bubble, asking to store those credentials. While the bubble...
Some pseudo-elements need to be addressed with vendor prefixes. E.g. ::selection is not supported by Firefox, you need to...
Sass lets you easily specify multiple selectors at once like this: .some-block &.has-hover, &:hover outline: 1px solid red...
Sometimes you want/have to send specific http(s) requests. You can do that easy with curl or just write the...
For the initial setup or changes in the sentry reporting it might be useful to enabled reporting of sentry in...
ImageMagick has a command line tool called identify which can read image metadata: >identify -verbose DSC00136.JPG Image: DSC00136.JPG Format: JPEG...
You can start vim with a read-only option. This prevents making accidentally changes in files you don't want...
Note: The behaviour of Spreewald's within step is as described below for version < 1.9.0; For Spreewald >= 1.9.0 it is...
Barby is a great Ruby gem to generate barcodes of all different sorts. It includes support for QR codes via...
git command line options for automating common rebasing tasks, like adding a fix to a commit that was already rebased...
The maximum version of Internet Explorer you can have depends on your version of Windows. E.g. Windows 7 users can...
This is a visualization of the files that will be generated by some useful rails generators. Invoke a generator from...
Just dumping this in case somebody might need it. When you need a CSS value (a padding, margin, height etc...
This is not an issue in newer versions of HAML (starting with 5.0.0), as the ugly-option was removed...
Looks like ActiveState is trying to market a new Ruby distribution for Enterprises: ActiveRuby Enterprise Edition is designed for businesses...
The postMessage API is an alternative to JSONP, XHR with CORS headers and other methods enabling sending data between origins...
There are various ways to run external commands from within Ruby, but the most powerful ones are Open3.capture3 and Open3.popen3...
Website that offers lots of different kinds of HTTPS configurations, bad or good or complicated. They also offer a dashboard...
Occasionally, you have to talk to APIs via HTTPS that use a custom certificate or a misconfigured certificate chain (like...
run-one is a wrapper script that won't run the given command while another instance of it is running...