tl;dr With ES2021 you now can use str.replaceAll(), Promise.any(), logical assignment operators, numeric separators and WeakRef on all major...
You'll need openssl-3 or newer for servers running 22.04 Ruby version 3.1 uses by default the gem openssl...
There is a way to use multiple databases in Rails. You may have asked yourself how you're able to...
The gemspec for gems allows to add metadata to your gem, some of which have a special meaning and are...
When you need information about a gem (like version(s) or install path(s)), you can use the gem binary...
ruby-warning adds custom processing for warnings, including the ability to ignore specific warning messages, ignore warnings in specific files/directories...
Redis.current will be removed without replacement in redis-rb 5.0. Version 4.6.0 adds deprecation warnings for Redis.current and Redis.current=: `Redis.current...
To ensure a consistent code style for JavaScript code, we use ESLint. The workflow is similar to integrating rubocop...
This are the steps I needed to do to add esbuild to an application that used the vanilla rails asset...
This StackOverflow question about nested function definitions in Ruby imparts a good understanding of Ruby's def.
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...