Im DevOps Bereich bist du insbesondere damit beschäftigt Infrastruktur zu bauen und zu betreiben. Weil man große Infrastukturen nur schwer...
makandra bietet ein bezahltes Trainee-Programm für DevOps / Cloud-Engineers: http://start.makandra.de Wir arbeiten für unsere Kunden häufig als Infrastruktur...
This StackOverflow question about nested function definitions in Ruby imparts a good understanding of Ruby's def.
Jasmine is a great tool to unit test your JavaScript components without writing an expensive end-to-end test for...
Resources RubyGuides: Mastering Ruby Regular Expressions Using regular expressions in JavaScript Testing regular expressions visually Regular Expressions: Quantifier modes...
Learn to create test data effectively using factories. Decouple tests by having each test start with an empty database...
Rack::SteadyETag is a Rack middleware that generates the same default ETag for responses that only differ in CSRF tokens...
Jasmine is a great way to unit test your JavaScript components without writing an expensive end-to-end test for...
Within development and test environments, Rails is usually configured to show a detailed debug page instead of 404s. However, there...
This RailsCast demonstrated a very convenient method to activate VCR for a spec by simply tagging it with :vcr.
You want to use fields in your applications. However, your desktop users may encounter some weird quirks: Aside from allowing...
The gem better_errors offers a detailed error page with an interactive REPL for better debugging. I had the issue...
Ruby lets you re-use existing RegExp objects by interpolating it into new patterns: locales_pattern = /de|en|fr|es/i...
The RSpec matcher tests if two HTML fragments are equivalent. Equivalency means: Whitespace is ignored Types of attribute quotes are...
The rubygems binary gem allows to extract a local gem with gem unpack GEMNAME. For more details see the official...
Our gem spreewald supports a few helpers for development. In case you notice errors in your Cucumber tests, you might...
When using RestClient to make an HTTP request, it will raise an exception when receiving a non-successful response.
We recently noticed issues with Chrome 75+ when having the w3c option enabled within the Selenium webdriver. It looks like...
The linked article points out that COUNT queries might be unexpectedly slow in PostgreSQL. If you just need to know...
I encountered a unlucky behavior of byebug 11.1.3 (the most recent version at time of writing) when using it with...
When dealing with external data sources, you may have to deal with improperly encoded strings. While you should prefer deciding...
You can publish pre-release versions of an npm package. Naming convention for pre-release versions An npm package must...
When a Ruby version gem has a letter in its version number, it is considered a pre-release:
Installing gems on a server that has no access to the internet (especially rubygems.org) requires to bundle the gems into...