I was recently asked to optimize the response time of a notoriously slow JSON API endpoint that was backed by...
While most Rails Apps are tied to at least one external REST API, machine-to-machine communication via GraphQL is...
Modern JavaScript includes Intl.NumberFormat to format numbers in different formats and locales. In this card, we describe a wrapper for...
This card shows an uncommon way to retrieve a file using selenium where JavaScript is used to return a binary...
Some rubygems come in platform-specific versions (i.e. "x86_64-linux") in addition to the usual "ruby" platform. This is...
Debouncing a method call delays its execution until after a specified time has passed. If it's called again before...
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.
ActiveModel classes have a class method .human_attribute_name. This returns a human-readable form of the attribute: Person.human_attribute...
In Rails 7.1 it has become possible to annotate partials with the locals they expect: # partial _user_name.erb <%# locals: (user:) %>
If an view spec crashes due to undefined helper methods, you can enable this option: # config/application.rb config.action_controller.include_all_helpers = true...
What is makandra cards? We are makandra, a team of 60 web developers, DevOps and UI/UX experts from Augsburg, Germany...
Your commit messages should include the ID of the issue your code belongs to. Our preferred syntax prefixes the issue...
This card describes four variants, that add a more intuitive workflow when working with nested attributes in Rails + Unpoly:
We are using assignable_values for managing enum values in Rails. Nevertheless Rails is adding more support for enum attributes...
When making requests using the http gem you might want to automatically follow redirects to get the desired response. This...
This card describes different flavors for concatting HTML safe strings in a helper method in Rails. You might want to...
...HTML elements can automatically start playing when the autoplay attribute is set on them. Except for when they can not...
Why do we migrate? Due to a change in licensing, we cannot provide Elasticsearch versions >= 8.0. Version 7.17.x will...
Debugging performance issues in your Rails app can be a tough challenge. To get more detailed insights consider using the...
There are two ways a logout in SAML can happen: Service Provider (SP) initiated and Identity Provider (IDP) initiated logout...
Note Using rem only ever makes sense when the root font size is dynamic, i.e. you leave control to the...
Starting with Rails 7.1 the production logger is set to standard out. For applications running with opscomplete ensure to keep...