The robots.txt file and HTML tag can be used to control the behavior of search engine crawlers. Both have different...
If the project you're working on has, say, 39 repositories and counting in GitLab and you need all the...
Ruby's standard library includes a class for creating temporary directories. Similar to Tempfile it creates a unique directory name...
If you want to see the git history of a project file, that doesn't exist anymore, the normal git...
tl;dr Since Rails 6+ you can use before? and after? to check if a date/time is before or after...
To allow HTTP 304 responses, Rails offers the fresh_when method for controllers. The most common way is to pass...
A memory leak is an unintentional, uncontrolled, and unending increase in memory usage. No matter how small, eventually, a leak...
For Rails models where only one of multiple attributes may be filled out at the same time, there is no...
When you build a JSON API you need to come up with a style to represent attributes, pagination, errors or...
If you need to convert an SVG source to PS or EPS, the most common suggestion on the interwebs is...
Resolve @{-1} to actual branch name. (Happens when merging "-".)
Greg Molnar has written a neat article about creating a single-file Rails app. This is not meant for production...
If your postgres database is only accessible from inside a kubernetes cluster, e.g. if it's configured in AWS RDS...
Here's a one-liner to view base64 encoded secrets in kubernetes. Make sure you have jq installed.
Working with a self-signed certificate is much easier, when the browser accepts it. Google Chrome Warnings from chrome might...
When working with feature branches, stale branches pile up over time. It's best to remove them right after merge...
Sometimes the need arises for SSL in local development. We have guides for different webservers, this one is for puma...
Note Use yarn dedupe in Yarn v2+: https://yarnpkg.com/cli/dedupe This package only works with Yarn v1. Yarn v2 supports...
tl;dr The :is() pseudo selector - specificity of its most specific argument - matches against a comma-separated list of selectors...
tl;dr The :where() pseudo selector - zero specificity - matches against a comma-separated list of selectors. Example Compound selectors like...
When your Rails application offers downloading a bunch of files as ZIP archive, you basically have two options:
Recently we detected a memory leak in one of our applications. Hunting it down, we found that the memory leak...
The linked content includes a few design patterns implemented with Ruby on Rails. What is the card indented to achieve...
These are the results of the "personal tech stack survey". I've included only the most popular mentions, maybe it...