Some rubygems come in platform-specific versions (i.e. "x86_64-linux") in addition to the usual "ruby" platform. This is...
Running gem update --system will install the latest version of RubyGems. However the latest version might not be compatible with...
You might know a few examples, where you configure some library via a block. One example is the Rails configuration...
This cards describes an example with a Github Client on how to keep your Rails application more maintainable by extracting...
This card is a short summary on different ways of assigning multiple attributes to an instance of a class.
If you are using the routing-filter gem in your Rails 7.1 app for managing URL segments for locales or...
What is makandra cards? We are makandra, a team of 60 web developers, DevOps and UI/UX experts from Augsburg, Germany...
When making requests using the http gem you might want to automatically follow redirects to get the desired response. This...
Debugging performance issues in your Rails app can be a tough challenge. To get more detailed insights consider using the...
If you need to make an HTTPS connection to a host which uses an expired certificate, do not disable certificate...
It's 2024 and we have tools like ffmpeg, imagemagick and GPT readily available. With them, it's easy to...
The author describes his little journey in hunting down a memory leak. Maybe his approach and tooling may one day...
Any form fields where users enter numbers should be an . Numeric inputs have several benefits over : On mobile or tablet...
87.140.79.42 - - [23/Jan/2024:09:00:46 +0100] "GET /monitoring/pings/ HTTP/1.1" 200 814 "-" "Ruby" 87.140.79.42 - - [23/Jan/2024:09:00:46 +0100] "GET...
There are a few tools to combat the dreaded n+1 queries. The bullet gem notifies you of missing eager...
Ruby methods which load from a Yaml file, like YAML.safe_load or YAML.safe_load_file, support passing freeze: true to...
Here are some hints on best practices to maintain your tasks in larger projects. Rake Tasks vs. Scripts
A general overview about why and how we migrate can be found under Migrating from Elasticsearch to Opensearch
OpenAI is currently limiting the Audio generating API endpoint to text bodies with a maximum of 4096 characters.
Getting CSS (and JS) live reloading to work in a esbuild / Rails project is a bit of a hassle, but...
If you ever need to restore exact records from one database to another, Marshal might come in handy. Marshal.dump is...
The sprintf method has a reference by name format option: sprintf("% d : % f", { :foo => 1, :bar => 2 }) # => 1 : 2.000000
Ruby has the class Rational which allows you to store exact fractions. Any calculation on these variables will now use...
All direct child directories of app are automatically added to the eager- and autoload paths. They do NOT create a...