Rails 6.1 has a "strict loading" mode that forces the developer to preload any association they plan to use. Associations...
A flaky test is a test that is often green, but sometimes red. It may only fail on some PCs...
If you want Sidekiq to be able to talk to Redis on staging and production servers, you need to add...
Within development and test environments, Rails is usually configured to show a detailed debug page instead of 404s. However, there...
This RailsCast demonstrated a very convenient method to activate VCR for a spec by simply tagging it with :vcr.
RSpec is smart when using the include-matcher in combination with .not_to. One could assume that .not_to include...
You want to use fields in your applications. However, your desktop users may encounter some weird quirks: Aside from allowing...
Debugging in CSS means figuring out what might be the problem when you have unexpected layout results. We’ll look...
The gem better_errors offers a detailed error page with an interactive REPL for better debugging. I had the issue...
Inspired by recent "git shortcut" cards I figured it would be nice to have one of these for rebasing a...
Event delegation is a pattern where a container element has a single event listener that handles events for all descendants...
Sometimes a link or input field has no visible label. E.g. a text field with a magnifying glass icon 🔎 and...
Besides their default styling properties, HTML elements have a semantic meaning. For example, an h1 tag is usually styled with...
Most browsers have built-in drag and drop support for different page elements like text and images. While this may...
git --fixup is very handy to amend a change to a previous commit. You can then autosquash your commits with...
Ruby lets you re-use existing RegExp objects by interpolating it into new patterns: locales_pattern = /de|en|fr|es/i...
The RSpec matcher tests if two HTML fragments are equivalent. Equivalency means: Whitespace is ignored Types of attribute quotes are...
If you have fzf installed, you may add an alias such as this to your ~/.bashrc: alias recent-branch="git...
We are using Spring in our tests for sequential test execution but not for parallel test execution. And Rails requires...
Bookmarks for directories will be most helpful if you are forced to work in deeply nested projects. Then it's...
With cd .. you can navigate one directory up from the one you are at now. If you use that a...
The tree command will show you the contents of a directory and all its sub directories as a tree:
There is an option you can set so that when using the cd command, small typos are automatically corrected. Add...
age is a simple, modern and secure file encryption tool, format, and Go library. It features small explicit keys, no...