If you want to prevent that two processes run some code at the same time you can use the gem...
CSP hat zum Ziel einen Browser-seitigen Mechanismus zu schaffen um einige Angriffe auf Webseiten zu verhindern, hauptsächlich XSS...
We're pleased to announce Ruby 3’s new language for type signatures, RBS. One of the long-stated goals...
GoodJob is a new background worker gem. It's compatible with ActiveJob. We're huge fans of Sidekiq for its...
These warnings are printed when the etc Gem is installed, while etc is also included in Ruby. Fix with:
"Open-source software (OSS) is great. Anyone can use virtually any open-source code in their projects." Well, it depends...
Nokogiri is great. It will even fix invalid HTML for you, like a browser would (e.g. move block elements out...
TL;DR PostgreSQL handles Rails 4+ text and string columns the same. That said, there is still a semantic difference...
In a web application you sometimes have tasks that can not be processed during a request but need to go...
An unresponsive service can be worse than a down one. It can tie up your entire system if not handled...
Speaker today is Henning Koch, Head of Development at makandra. This talk will be in German with English slides.
We use CarrierWave in many of our projects to store and serve files of various formats - mostly images. A common...
tl;dr Don't forget require 'English' if you use a named global such as $LAST_MATCH_INFO. Otherwise this...
We use the whenever gem to automatically update the crontab of the servers we deploy to. By default, whenever will...
In case you want to use pry with an older version of Ruby, you can try the following configurations.
Ruby and Rails have several methods for creating a new object that looks like another: clone, dup, deep_dup. When...
You can install rubygems 3.0.8 (released on February 18, 2020) to keep all the Gem::Specification#rubyforge_project deprecation warnings...
You can run bundle install in parallel. This might be helpful for development, where you often install many new gems...
When you have many changes, and you want to spread them across different commits, here is a way to stage...
The linked GitHub repository is a bit like our "dev" cards deck, but groomed from a single person (Josh Branchaud...
With puma you can have concurrent requests. There are two concepts on how Puma can handle two incoming requests: Workers...
Simplecov is a code coverage tool. This helps you to find out which parts of your application are not tested...
"Everything in Ruby is an object". This is also true for nested hashes and arrays. If you copy a hash...
A recent patch level Ruby update caused troubles to some of us as applications started to complain about incompatible gem...