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...
On application servers, gems are usually bundled into the project directory, at a location shared across deployments. This is usually...
Reminder of what you can do with Geordi. Note: If you alias Geordi to something short like g, running commands...
First find the reference for the entry you want through looking at the stash: $ git stash list stash@{0}: WIP...
Collection of useful tools in the Chrome JavaScript console. Make the whole page editable This is not special to Chrome...
TruffleRuby is an experimental Ruby implementation that tries to achieve ~10x performance over MRI. This has been on our radar...
Sometimes huge refactorings or refactoring of core concepts of your application are necessary for being able to meet new requirements...
TLDR: A function is hard to use when it sometimes returns a promise and sometimes throws an exception. When writing...
A comprehensive introduction to sending HTML emails. Intro: HTML email: Two words that, when combined, brings tears to a developer...
You may know the double asterisk operator from Ruby snippets like Dir['spec/**/*_spec.rb'] where it expands to an arbitrary...
Ruby's regular expressions can be represented differently. When serializing them, you probably want to use inspect instead of to...
In general, you should not put a block element inside an inline element. So don't do this: text