We had a card that described how to install multiple mysql versions using mysql-sandbox. Nowadays with the wide adoption...
If you want to expand your Areca Raid by swapping out the disks for larger ones you will need to...
When you get this error message from e.g. loginctl show-user [...] after you deleted a user from your system:
An extensive list of command line options when booting Chrome. This is useful for building a Capybara driver with custom...
I ran into a situation in which I received the yarn integrity check warning when starting the rails console even...
Formerly 301 (Moved Permanently) and 302 (Found) were used for redirecting. Browsers did implement them in different ways, so since...
What is netfilter's Connection Tracking system? The connection tracking system often referenced as nf_conntrack is part of the...
If you have a flaky command you can use the nick-invision/retry to re-try a failing command, optionally...
After switching a project from Sprockets to Webpack, I started observing a bug that was hard to debug: Our...
Accessing other repositories in Gitlab CI is not straight forward, since the access rights of the current pipeline might not...
The Node Version Manager allows installing multiple NodeJS versions and switching between them. By default, it does not automatically switch...
6.0.0 2021-06-02 Compatible changes geordi commit will continue even if one of the given projects is inaccessible. It...
We recently noticed issues with Chrome 75+ when having the w3c option enabled within the Selenium webdriver. It looks like...
Matching the "space" character class For matching whitespaces in a regular expression, the most common and best-known shorthand expression...
When storing files for lots of records in the server's file system, Carrierwave's default store_dir approach may...
If your Webpack build is slow, you can use the Speed Measure Plugin for Webpack to figure out where time...
Webpack builds can take a long time, so we only want to compile when needed. This card shows what will...
This card is a general reminder to avoid the short version of a command option in shared code. It's...
Installing gems on a server that has no access to the internet (especially rubygems.org) requires to bundle the gems into...
Generate a password htpasswd -Bn firstname.lastname This will ask you for a password and use bcrypt (-B, more secure) and...
I use the TypeScript compiler for this, since its output is more minimal than Babel's. The following will transpile...
When your Rails application server raises error, Capybara will fail your test when it clears the session after the last...
When your application is open for public sign up and sends out transactional e-mails to a large number of...
capybara-lockstep can help you with flaky end-to-end tests: This Ruby gem synchronizes Capybara commands with client-side...