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...
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...
Fresh Chrome installations now show a "Choose your search engine" popup in Europe. This might make your Cucumber tests fail...
This card is a short summary on different ways of assigning multiple attributes to an instance of a class.
Using Capistrano, we usually have some array configurations in the config/deploy.rb file, like set :linked_files, %w[config/database.yml], so in...
ActiveModel classes have a class method .human_attribute_name. This returns a human-readable form of the attribute: Person.human_attribute...
If you want to find out what type of network card is used for a given network interface on a...
When you mocked method calls in RSpec, they are mocked until the end of a spec, or until you explicitly...
While the Software Design Basics card tried to make a point about writing self explanatory code, it's still...
If you are using the routing-filter gem in your Rails 7.1 app for managing URL segments for locales or...
tl;dr Do not use the option optional on association declarations with a symbol, lambda or proc. Explanation Association declarations...
What is makandra cards? We are makandra, a team of 60 web developers, DevOps and UI/UX experts from Augsburg, Germany...
Raising errors for required and permitted attributes makes it easier to find errors in your application during development and in...
This card describes two 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...
tl;dr When browsers start to adapt proposals from Open UI, it might not be necessary to use any 3rd...
...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...