Dev Radar

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JavaScript

Creating Dual-Mode Cross-Runtime JavaScript Packages

2023/09/04

This article explores how to create dual-mode, cross-runtime JavaScript packages that are compatible with both ESM and CommonJS, as well as different runtimes like Node.js, Deno, and browsers. It high...

Croner: A Powerful Cron Parser and Scheduler for JavaScript and TypeScript

2023/08/30

The article introduces Croner, a powerful cron parser and scheduler for JavaScript and TypeScript. Croner allows developers to trigger functions or evaluate cron expressions in their JavaScript or Typ...

Simplifying Import Paths in JavaScript/TypeScript Packages

2023/08/29

The article discusses the issue of large import paths in JavaScript and TypeScript packages and provides a solution using the 'imports' field in the package.json file. It explains that while other too...

Vercel Becomes Official Hosting Partner of Astro: Boosting Performance and Collaboration

2023/08/28

Astro, a JavaScript web framework for content-focused websites, has announced Vercel as its new official hosting partner. This partnership aims to enhance the experience for Astro developers on Vercel...

Mastering JavaScript: Essential Concepts for Web Developers

2023/08/21

JavaScript is the go-to programming language for building web application frontends. In an article on Dev Radar, the author highlights key programming concepts that every JavaScript developer should k...

All JavaScript Articles

Python

Python 3.12.0 Release Candidate 2: Get Ready for the Final Release

2023/09/06

The article announces the availability of Python 3.12.0 release candidate 2. This is the last release preview for Python 3.12, with no ABI changes expected in the final release. The final release of P...

Python 3.11.5, 3.10.13, 3.9.18, and 3.8.18: New Releases with Security Fixes

2023/08/24

The article announces the availability of Python 3.11.5, 3.10.13, 3.9.18, and 3.8.18. These releases include important security fixes, and upgrading is highly recommended for all users of affected ver...

Deploying Flask Applications with Gunicorn

2023/08/17

Flask is a popular web framework for building web applications in Python. It is considered a microframework because it provides only the bare essentials for web development, focusing on simplicity and...

Flask Framework: A Comprehensive Course for Python Web Development

2023/08/08

The article provides a summary of a comprehensive course on Flask, a popular Python web framework. The course covers fundamental Python programming concepts and dives into intermediate to advanced tut...

Python 3.12.0 Release Candidate 1: A Sneak Peek into the Upcoming Python Version

2023/08/06

The article announces the release of Python 3.12.0 release candidate 1, marking the first release candidate of Python 3.12.0. This release is the penultimate release preview before the final release. ...

All Python Articles

React

React Prod Sourcemaps: A Tool for Debugging React in Production

2023/08/29

The article discusses the importance of sourcemaps for debugging React applications in production. Currently, React does not ship with sourcemaps for its production build artifacts, making it difficul...

Starlight: A Modern and Lightweight Documentation Solution for React and Tailwind CSS

2023/08/29

The article introduces Starlight, a modern and lightweight alternative to Docusaurus for creating documentation with React and Tailwind CSS. Starlight offers a range of features to make documentation ...

Vercel Becomes Official Hosting Partner of Astro: Boosting Performance and Collaboration

2023/08/28

A Collection of React and TypeScript Learning Resources

2023/08/27

The article showcases a collection of valuable resources for learning React and TypeScript. It includes resources for beginners as well as seasoned developers. Some of the recommended learning sources...

The Rise of Tailwind: A Game-Changer for Web Developers

2023/08/19

In the latest edition of React - Next.js Weekly, the article highlights the growing popularity of Tailwind CSS among web developers. The author explains why Tailwind has emerged as a game-changer in t...

All React Articles

TypeScript

Transitioning to TypeScript: Exploring Decorators and Mixins

2023/09/06

The article is the final part of a series that explores the transition from JavaScript to TypeScript. It focuses on the advanced features of decorators and mixins in TypeScript. Decorators are a propo...

Understanding Overloading Constructors in TypeScript

2023/09/04

The article discusses the implementation of overloaded constructors in TypeScript, using the Date class as an example. The author explores how the Date class constructor can have multiple signatures, ...

TypeScript 5.2: Faster Type Checking and Memory Leak Prevention

2023/09/02

The article discusses the new features and improvements introduced in TypeScript 5.2. It highlights the significant performance boost in recursive type checking, with a 33% improvement. The release al...

Introducing Biome: The Successor to Rome Tools

2023/09/01

The article announces the release of Biome, the official fork of Rome Tools. Biome is led and maintained by the same team that worked on Rome Tools. The author provides some background on the creation...

Croner: A Powerful Cron Parser and Scheduler for JavaScript and TypeScript

2023/08/30

All TypeScript Articles

Rust

Boosting Performance: Rewriting a Node.js Module into Rust

2023/09/05

The article discusses the process of rewriting a Node.js module into Rust and the significant performance boost achieved. The author shares their experience of replacing an internal Node.js module wit...

This Week in Scala: Stay Updated with the Latest News and Releases

2023/09/04

Welcome to the new edition of #ThisWeekInScala! This blog aims to keep you updated with the latest news from the world of Scala and Reactive programming. You can now subscribe and get the latest editi...

Slint v1.2: A New Release of the Rust Declarative GUI Toolkit

2023/09/04

The Slint team has released version 1.2 of their declarative GUI toolkit, introducing a range of new features while maintaining full backwards compatibility. This release focuses on enhancing platform...

Improving Performance and Security: cargo-audit 0.18 for Rust

2023/09/04

The latest release of cargo-audit, version 0.18, brings significant improvements in performance, compatibility, and security for Rust projects. One of the major performance enhancements is the use of ...

Rustc_codegen_gcc: Progress Report #25 - A Step Towards Link-Time Optimization

2023/08/31

The article discusses the progress made in rustc_codegen_gcc, a GCC ahead-of-time codegen for Rust. It highlights the recent additions and improvements, including support for various function attribut...

All Rust Articles

Go

Building Autocomplete for a Debug Console in Go

2023/09/05

The article discusses the implementation of autocomplete feature for a debug console in Go. Autocomplete is an essential feature for a console as it saves typing and improves user experience. The arti...

Profile-Guided Optimization in Go 1.21: Improving Performance with PGO

2023/09/05

The article introduces profile-guided optimization (PGO) in Go 1.21, a feature that aims to improve the performance of Go binaries. PGO allows the compiler to make more informed decisions about optimi...

Understanding Go Concurrency: Exploring the Select Statement

2023/08/31

The article explores the select statement in Go concurrency, providing a visual explanation and code examples. It starts by introducing the concept of channels and how they are used for communication ...

Enhanced ServeMux Routing in Go

2023/08/30

The article discusses proposed enhancements to the standard HTTP mux in Go, specifically focusing on distinguishing requests based on HTTP method and supporting wildcards in matched paths. The propose...

Logging in Go: A Comparison of the Top 8 Libraries

2023/08/30

The article "Logging in Go: A Comparison of the Top 8 Libraries" provides an overview of eight popular logging solutions for Go programming language. It highlights the limitations of the built-in log ...

All Go Articles

Node.js

Deno Deploy: Native npm Support for Hosting Node.js Apps

2023/09/06

Deno Deploy, the isolate-based serverless platform, has announced native npm support for hosting Node.js apps. This new feature allows developers to host Node.js apps at the edge using npm modules, wi...

Node.js 20.6.0: Built-in Support for .env Files

2023/09/05

The recent release of Node.js version 20.6.0 introduces built-in support for .env files, allowing developers to load environment variables into their Node.js applications without any external dependen...

Boosting Performance: Rewriting a Node.js Module into Rust

2023/09/05

Creating Dual-Mode Cross-Runtime JavaScript Packages

2023/09/04

Croner: A Powerful Cron Parser and Scheduler for JavaScript and TypeScript

2023/08/30

All Node.js Articles

Deno

Building a Discord Bot with Deno and Harmony: A Step-by-Step Guide

2023/09/06

The article introduces Deno and Harmony as powerful tools for building a Discord bot. Deno, a secure runtime for JavaScript and TypeScript, offers simplicity, security, and ease of use, making it a wo...

Discover the Simplicity of Lume: A Static Site Generator for Deno

2023/09/06

Lume is a minimalist static site generator specifically designed for Deno. It provides full control over code and configuration, without unnecessary code or plugins. Built on Deno, Lume offers multipl...

Deno Deploy: Native npm Support for Hosting Node.js Apps

2023/09/06

Deno KV on Deno Deploy: A Fast and Easy Database Solution

2023/09/05

Deno KV on Deno Deploy is now in open beta, allowing developers to add a strongly consistent database to their applications with ease. The announcement brings exciting updates, including the ability t...

Creating Dual-Mode Cross-Runtime JavaScript Packages

2023/09/04

All Deno Articles

Ruby

Marc-André Lafortune: A Journey in Programming and Open Source

2023/09/06

In this interview with Marc-André Lafortune, a longtime contributor to the Ruby and Elixir communities, the article explores his journey in programming and open source. Lafortune shares his early expe...

RuboCop: A Powerful Tool for Ruby Code Analysis and Style Enforcement

2023/09/06

Good code has a lot to do with how readable it is. As developers, we more often read code than write it. As my Perl teacher told us many times: the flexibility of Perl's syntax was its best and worst ...

Optimizing StringScanner-based Lexers in Ruby

2023/09/05

The article discusses the process of optimizing StringScanner-based lexers in Ruby. The author begins by introducing the concept of lexing, which involves breaking down an input string into a series o...

Exploring System Tests in Ruby

2023/09/04

The article explores the concept of system tests in Ruby and provides insights on how to use them effectively. Written by David Kimura, the episode #417 of the Curated list of episodes, bundled to hel...

Building a Secure Chat Application with Asymmetric Encryption in Ruby

2023/09/04

In a world where digital communication has become the cornerstone of our daily lives, the need for secure and private conversations has never been greater. This article explores the power of asymmetri...

All Ruby Articles

Latest Articles

Expanding Java's Reach: Introducing Project Babylon - 2023/09/06 Marc-André Lafortune: A Journey in Programming and Open Source - 2023/09/06 Python 3.12.0 Release Candidate 2: Get Ready for the Final Release - 2023/09/06 Building a Discord Bot with Deno and Harmony: A Step-by-Step Guide - 2023/09/06 Building a Panic Function with C++20 - 2023/09/06 RuboCop: A Powerful Tool for Ruby Code Analysis and Style Enforcement - 2023/09/06 Exploring the Behavior of Shifting Registers in Different Processor Architectures - 2023/09/06 Handling Null Values in PHP: A Comprehensive Guide - 2023/09/06 OpenAI DevDay: A Conference for Developers - 2023/09/06 Deno Deploy: Native npm Support for Hosting Node.js Apps - 2023/09/06 Java 21: A Comparison to Java 17 and Performance Benchmarks - 2023/09/06 Transitioning to TypeScript: Exploring Decorators and Mixins - 2023/09/06 SML2: A C++20 State Machine Library with Self-Testing at Compile-Time - 2023/09/06 Introducing sweet-array: A Safer and More Efficient Array Manipulation Library for Clojure - 2023/09/06 Discover the Simplicity of Lume: A Static Site Generator for Deno - 2023/09/06 Useful and Unknown Java Features Every Developer Should Know - 2023/09/06 Unlocking the Power of Kotlin DSLs: Techniques, Patterns & Implementation - 2023/09/06 Node.js 20.6.0: Built-in Support for .env Files - 2023/09/05 Boosting Performance: Rewriting a Node.js Module into Rust - 2023/09/05 Kanta: Simplifying Translation Management in Elixir & Phoenix Web Apps - 2023/09/05