time_up is a new Ruby gem for managing timers to measure your code's performance.

Catches mail and serves it through a dream. Contribute to sj26/mailcatcher development by creating an account on GitHub.

How I built my blog with Bridgetown, a site generator based on Ruby, and how I made it auto-update with new data from an API, via GitHub Actions.

An up-to-date and as-simple-as-it-can-be reference on the main steps towards tracking a memory leak

Rails apps tend to start simple, with clean models and controllers. Then you start adding features. Before you know it, your models and controllers are big, unwieldy, and hard to understand. Refactoring into service objects is a great way to split these big pieces up, so they're easier to underst...

Ever since writing this post last year on Using New Relic APM with Rails on AWS Lambda, I have always...

There’s a new gem in town! We’re open sourcing MemoWise, the best way to memoize methods in Ruby. (It’s really fast.)

The wise choice for Ruby memoization. Contribute to panorama-ed/memo_wise development by creating an account on GitHub.

Install and configure Neovim 0.5's built-in Language Server Protocol for Ruby, Rails and RuboCop or StandardRB

Ruby/Git is a Ruby library that can be used to create, read and manipulate Git repositories by wrapping system calls to the git binary. - GitHub - ruby-git/ruby-git: Ruby/Git is a Ruby library that...

A command line tool that draw plots on the terminal.

Ruby's default & bundled gems: The new standard library

Learn to write custom rules for RuboCop, test them, and extract into a gem for reuse

A JIT for Ruby, implemented in pure Ruby. Contribute to chrisseaton/rhizome development by creating an account on GitHub.

Ruby library for HTML/XML transformation and sanitization

A Ruby DSL for structured web crawling, with a robust caching system.

概要 原著者の許諾を得て翻訳・公開いたします。 英語記事: History of RSpec – Steven R. Baker 原文公開日: 2021/05/09 著者: Steven R. Baker 日本語タイトルは内容に即したものにしました。 RSpecの作者が振り返る歴史（翻訳） 私がTDD（テスト駆動開発）をチームで教え始めたのは2001年のことでした。当時のTDDはまだかなり新しい概念でしたので、テストを自動化したチームもほとんどなく、XP（エクストリームプログラミング）やTDDについて聞いたことがある人も皆無でした。テストを最初に書くことで設計を進めるという概念は当時まったく知られていなか […]

Sidekiq is used to handle background processing. Whatever your background jobs may be, you'll eventually run into duplicate jobs. Let's see how to de-duplicate them.

A little bit fast and modern Ruby version manager written in Rust

High performance, lightweight .xlsx parser for Ruby that provides nothing a CSV parser wouldn't - GitHub - martijn/xsv: High performance, lightweight .xlsx parser for Ruby that provides not...

Benchmarking Excel parsing gems for faster parsing in Ruby.

BetterUp Full Stack Engineer Brian John shares a tip to speed up your bundle install.

Ruby’s IRB is a lovely interactive console. By leveraging a custom .irbrc configuration file, we can make the experience even better.

This article will discuss the best HTTP clients in Ruby. Faraday, HTTParty, Rest-client...it can be hard to choose the best one.