21CTO
Author

21CTO

21CTO (21CTO.com) offers developers community, training, and services, making it your go‑to learning and service platform.

4.9k
Articles
0
Likes
1.8k
Views
0
Comments
Recent Articles

Latest from 21CTO

100 recent articles max
21CTO
21CTO
Jan 1, 2026 · Fundamentals

Which Legacy Technologies Will Still Power the World in 2100?

The article surveys enduring software and platforms—COBOL, C, Rust, SQL, JavaScript/TypeScript, Linux, classic editors, Kubernetes, and Photoshop—explaining why they remain vital and speculating on their continued relevance decades into the future.

LegacySystemsprogramming languages
0 likes · 7 min read
Which Legacy Technologies Will Still Power the World in 2100?
21CTO
21CTO
Dec 31, 2025 · Frontend Development

Run Full Python in the Browser with Pyodide: A Hands‑On Guide

This article explains how Pyodide compiles CPython to WebAssembly, allowing developers to run complete Python—including libraries like Pandas, NumPy, and Matplotlib—directly in the browser without any server, installation, or build system, and demonstrates a practical CSV‑viewer example.

BrowserPyodidePython
0 likes · 8 min read
Run Full Python in the Browser with Pyodide: A Hands‑On Guide
21CTO
21CTO
Dec 29, 2025 · Fundamentals

Which Language Prints Hello World the Fastest? A Cross‑Language Comparison

This article explores the history and cultural significance of the "Hello World" program, presents concise implementations across dozens of programming languages, and compares their execution times in a single‑core sandbox, highlighting Bash as the quickest and Kotlin as the slowest.

Hello WorldPerformance comparisoncode examples
0 likes · 8 min read
Which Language Prints Hello World the Fastest? A Cross‑Language Comparison
21CTO
21CTO
Dec 23, 2025 · Fundamentals

Why Developers Are Obsessed with Rust: Reliability, Efficiency, and Extensibility

A comprehensive analysis of why Rust has become the most beloved programming language, highlighting its reliability, performance, low‑level control, powerful tooling, and extensibility, while also discussing the trade‑offs of its complex type system and async ecosystem and offering concrete recommendations for its future development.

Programming LanguageRustecosystem
0 likes · 21 min read
Why Developers Are Obsessed with Rust: Reliability, Efficiency, and Extensibility
21CTO
21CTO
Dec 23, 2025 · Backend Development

What’s New in PHP 8.5.1? Detailed Security Fixes and Component Updates

PHP 8.5.1, a security‑focused release, brings numerous bug fixes across core, extensions, and libraries, urging all PHP 8.5 users to upgrade and providing links to official download pages and the full changelog for developers to review.

Version 8.5.1changelogrelease
0 likes · 6 min read
What’s New in PHP 8.5.1? Detailed Security Fixes and Component Updates
21CTO
21CTO
Dec 22, 2025 · Artificial Intelligence

Open-Source XR-1: China’s First Embodied VLA Model for Robots

Beijing Humanoid Robot Innovation Center has open‑sourced XR‑1, the nation’s first VLA (vision‑language‑action) model that meets embodied‑intelligence standards, along with its supporting data sets RoboMIND 2.0 and ArtVIP, detailing its three‑stage training paradigm and cross‑modal capabilities.

ArtVIPOpen SourceRoboMIND
0 likes · 5 min read
Open-Source XR-1: China’s First Embodied VLA Model for Robots
21CTO
21CTO
Dec 21, 2025 · Frontend Development

Boost JavaScript Performance: A Hands‑On Guide to WebAssembly with AssemblyScript

This article explains how WebAssembly can dramatically improve JavaScript application speed, outlines its collaboration with JS, describes ideal use cases, and provides a step‑by‑step AssemblyScript tutorial—including prerequisites, project setup, code examples, and compilation commands.

AssemblyScriptJavaScriptPerformance
0 likes · 7 min read
Boost JavaScript Performance: A Hands‑On Guide to WebAssembly with AssemblyScript
21CTO
21CTO
Dec 19, 2025 · Artificial Intelligence

Can AI Turn Coding into a Conversation? Inside Vibe Coding

Vibe coding leverages large‑language AI models to let developers describe ideas in plain language, automatically generating most of the code, while highlighting its rapid rise, practical tools, prototype‑friendly use cases, and the critical limitations around security, transparency, and the need for human oversight.

AI codingVibe Codinglow-code
0 likes · 10 min read
Can AI Turn Coding into a Conversation? Inside Vibe Coding