RubyMine allows bookmarking lines of code. This is super-helpful when working on a complex problem. I've been using...
Sass lets you easily specify multiple selectors at once like this: .some-block &.has-hover, &:hover outline: 1px solid red...
For the initial setup or changes in the sentry reporting it might be useful to enabled reporting of sentry in...
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...
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...
To move elements around we should be familiar with coordinates. Most JavaScript methods deal with one of two coordinate systems...
This is not an issue in newer versions of HAML (starting with 5.0.0), as the ugly-option was removed...
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...
Using the dialog command you can launch ASCII-art dialogs from your shell scripts. Check out man dialog for a...
Line-height and vertical-align are simple CSS properties. So simple that most of us are convinced to fully understand...
Below is a list of some VIM settings I find useful. You can add them to your .vimrc. source $VIMRUNTIME/mswin.vim...
You can easily have a JavaScript hash/object that returns a default value for unset keys/properties -- as long as you need...
A collection of code snippets which return a boolean value for a regex comparison. regexp.match?(string) # Recommended for Ruby >= 2.4...
There seems to be a nasty bug in Chrome 56 when testing with Selenium and Capybara: Slashes are not written...
Adding a gem means you take over the liability towards the external code. Checklist Based on "To gem, or not...
We generally use multiple application servers (at least two) and you have to search on all of them if you...
We have projects that have been developed using many different versions of Ruby. Since we do not want to...
If you have a replication error with MySQL and you know the "error" is okay (e.g. you've executed the...