Rails 7 deprecates Enumerable#sum and Array#sum

Rails 7 allows passing raw SQL as on_duplicate value to #upsert_all

Multiple databases in a single query in your Rails apps - Postgres Foreign Data Wrappers to the rescue

Custom "cops" for RuboCop: an emergency service for your Ruby code

HEIC support for Active Storage

Feature Flags: Not Just for Big Teams or Big Features

Using Tags with Sidekiq Jobs

Storybook 6.3

ES2021 Features

Microsoft Teams 2.0 will use half the memory, dropping Electron for Edge Webview2

The Official Release of Apostrophe 3.0

Awesome data visualization tools for software developers

Indiepen - an independent and privacy-friendly solution to present your HTML, CSS and JS code example to the people

GitHub Processes 2.8 Billion API Requests Per Day... with Ruby (notes)

Ruby 3.1 adds Enumerable#compact and Enumerator::Lazy#compact

Rails 7 provides context when logging unpermitted parameters

AnyCable Goes Pro: Fast WebSockets for Ruby, at scale

The Best Ruby Blogs

Rhizome - a JIT for Ruby, implemented in pure Ruby

ActiveAnalytics - first-party, privacy-focused traffic analytics for Ruby on Rails applications

Next.js 11

Benchmarking JavaScript Memory Usage

Embedding Vue.js Apps in Go

The pain and aguish of using IndexedDB: problems, bugs and oddities

OpenPGP.js - OpenPGP JavaScript Implementation

SwiftLaTeX - a WYSIWYG Browser-based LaTeX Editor

Div.js - a framework for the HTML programming language

Illustrated guide to Apache Kafka

Rails 7 ensures has_one autosave association callbacks get called once

Moving ActionCable over to Webpacker

Conditional HTTP GET: The fastest requests need no response body

Sidekiq good practices

Review: Ruby Installers and Ruby Switchers

10 Years of Open Source

Rux - a JSX-inspired way to write HTML tags in your Ruby code

Toward Vagrant 3.0

The Plan for React 18

React 17 runs useEffect cleanup functions asynchronously

Vue.js 3.1.0 (Pluto) Released

Managing Shared State In Vue 3

Introducing the Memory Inspector

Introducing Astro: Ship Less JavaScript

Mocha.js 9.0.0 Released

FlexSearch - next-generation full text search library for Browser and Node.js

Lowdefy - an open-source low-code framework that lets you build web apps with YAML or JSON configuration files

Rails 7 allows access to nested encrypted secrets by method calls

YJIT: Building a New JIT Compiler Inside CRuby

Infinite Scrolling Content in Rails — Without Writing Any Javascript

A First Look at AWS App Runner

How I organize my Rails apps

Pg_query - ruby extension to parse, deparse and normalize SQL queries using the PostgreSQL query parser

Motor Admin - low-code Admin panel and Business intelligence Rails engine

Making JavaScript run fast on WebAssembly

An Introduction to WebAssembly for JavaScript Developers

Svelte for the Experienced React Dev

Trigonometry in CSS and JavaScript: Introduction to Trigonometry

Svelte Motion

PLV8 3.0.0

Rails 6.1 adds compact_blank

ActiveRecord's New Takes a Block, Kid

Rails 7 adds range serializer for ActiveJob

Using Postgres Row-Level Security in Ruby on Rails

Track Opened Emails In Rails

Dentaku - math and logic formula parser and evaluator

ObjectTracer - tracks objects and records their activities

Extralite - a Ruby gem for working with SQLite3 databases

Sparkplug — a non-optimizing JavaScript compiler

A Thorough Analysis of CSS-in-JS

Aurora - 100% Cookie-Free Open Website Analytics

NocoDB - the open source Airtable alternative

Boring avatars - a tiny JavaScript React library that generates custom, SVG-based, round avatars from any username and color palette

Github Kanban Chart

Learn X in Y minutes

Ruby 3 JIT can make Rails faster

A robust distributed locking algorithm based on Google Cloud Storage

Automatically avoiding GraphQL N+1s

Limit your automatic retries

Hybrid iOS apps with Turbo

Lamby - simple Rails & AWS Lambda Integration

Generate Pixel Art Characters, Algorithmically

RailsConf 2021 (videos)

The future of Internet Explorer on Windows 10 is in Microsoft Edge

Sublime Text 4 released

Introducing WebContainers: Run Node.js natively in your browser

JavaScript API to Recognize Humans vs Bots in Chrome

Bottery - a conversational agent prototyping platform

Harold - a simple tool that provides a ready-to-use template for creating your static websites and blogs

DOM Events - a way to visualize and experiment with the DOM event system

Doom Captcha

Ruby 3.1 adds Array#intersect?

The room where it happens: How Rails gets made

History of RSpec

The 5 Rules of Simple RSpec Tests

Turbocharge HTTP requests in Ruby

RQRCode - a library for creating and rendering QR codes into various formats

Sinew collects structured data from web sites (screen scraping)

Angular v12 is now available

Babel is used by millions, so why are we running out of money?

Announcing Docusaurus 2 Beta

A Look at Tailwind CSS

Build Tetris with Modern JavaScript

7 Steps to Secure JavaScript in 2021

Vanilla-extract - zero-runtime Stylesheets-in-TypeScript (habr article)

Mojs - a motion graphics toolbelt for the web

Typehole - automatically generate TypeScript types and interfaces for all serializable runtime values

Wu lorem ipsum

Rails versions 6.1.3.2, 6.0.3.7, 5.2.4.6, and 5.2.6 have been released!

Announcing Hanami v2.0.0.alpha2

Rails 7 transforms a Ruby hash into HTML attributes for ERB interpolation

Ruby Garbage Collection Deep Dive: Compaction

Compacting GC in Ruby 2.7 - Aaron Patterson

Fighting the primitive obsession with Value objects

Semantic blind spot in Ruby case statement

Building a Discord Command in Ruby on Google Cloud Functions

JSONb Accessor - adds typed jsonb backed fields to your ActiveRecord models

Xsv - a fast, lightweight, pure Ruby parser for Office Open XML spreadsheet files

MiniSql - a minimal, fast, safe sql executor

Bootstrap 5

Introducing CloudFront Functions – Run Your Code at the Edge with Low Latency at Any Scale

How we use Web Components at GitHub

Is 0kb of JavaScript in your Future?

Why does HTML think "chucknorris" is a color?

Hosting SQLite databases on Github Pages

Mantine - a MIT licensed open source react components and hooks library with focus on usability, accessibility and developer experience

Zx - a tool for writing better scripts

Rails 7 adds Enumerable#sole

Green Vs. Brown Programming Languages

The Best Ruby HTTP clients for 2021

Linting Ruby Code

Creating Custom Postgres Data Types in Rails

Building a Component Library in Rails With Storybook

λake - a Rake-like DSL for writing AWS Lambda handlers

Building a Questionnaire (video)

The lazy-loading property pattern in JavaScript

How to Use ECMAScript Modules in Node.js

Using asynchronous web APIs from WebAssembly

Spotlight - web's most easy to integrate lightbox gallery library

js-tokens - the tiny, regex powered, lenient, almost spec-compliant JavaScript tokenizer that never fails

What's Next, The Future of Node.js - Joe Sepi, Michael Dawson and Bethany Griggs