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21CTO

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

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Latest from 21CTO

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21CTO
21CTO
Oct 19, 2026 · Backend Development

9 Proven Techniques to Solve Laravel Production Performance Problems

This article outlines nine practical methods for diagnosing and resolving Laravel performance issues in production, covering request measurement, N+1 query elimination, query plan optimization, memory-efficient data processing, strategic caching, queue offloading, external API timeouts, framework bootstrapping optimizations, and log/payload reduction, with code examples and a step-by-step diagnostic checklist.

LaravelN+1 QueriesOPcache
0 likes · 16 min read
9 Proven Techniques to Solve Laravel Production Performance Problems
21CTO
21CTO
Oct 19, 2026 · Fundamentals

Linux 7.3 Released: Zen 6 Ready, Memory Latency Slashed, Low-VRAM Gaming Improved

Linux 7.3 introduces AMD Zen 6 processor support, dynamic per-core energy performance preferences, rewritten GPU reset for older Radeons, system memory fallback for low-VRAM gaming, and fixes reducing KSM and zsmalloc lock latency from 705ms to 2ms, plus RISC-V extensions, Apple M3 boot support, and new hardware drivers.

AMD Zen 6KSMLinux 7.3
0 likes · 8 min read
Linux 7.3 Released: Zen 6 Ready, Memory Latency Slashed, Low-VRAM Gaming Improved
21CTO
21CTO
Oct 18, 2026 · Industry Insights

5 Best AI Gateways Compared: Benchmarks, Routing & Enterprise Features

This article compares five leading AI gateways—Bifrost, Cloudflare AI Gateway, Vercel AI Gateway, LiteLLM, and OpenRouter—evaluating their performance benchmarks, model routing capabilities, deployment options, observability, cost control, and suitability for different production environments.

AI gatewayDeploymentLLM routing
0 likes · 24 min read
5 Best AI Gateways Compared: Benchmarks, Routing & Enterprise Features
21CTO
21CTO
Oct 18, 2026 · Industry Insights

Andrew Ng Dismisses AI Job Apocalypse: Why Skill Upgrades Matter More

Andrew Ng argues AI automates tasks not entire jobs, citing talent shortages in software engineering and marketing; he highlights physical bottlenecks limiting recursive AI improvement and urges education systems to teach AI-native skills so entry-level workers can thrive alongside AI tools.

AI employment impactAI-native skillsAndrew Ng
0 likes · 11 min read
Andrew Ng Dismisses AI Job Apocalypse: Why Skill Upgrades Matter More
21CTO
21CTO
Oct 15, 2026 · Frontend Development

TinyJS: 6MB Desktop Apps via OS WebViews, No Chromium Bundling

TinyJS enables building desktop applications around 6MB by leveraging OS-provided WebViews (WebKit, WebView2, WebKitGTK) and the txiki.js runtime, avoiding Electron's 150MB Chromium bundle and Tauri's Rust requirement, while providing full JS capabilities, OS IPC, SQLite, and auto-updates via a zero-compilation HTML/CSS/JS workflow.

Cross-platform DevelopmentElectronJavaScript runtime
0 likes · 9 min read
TinyJS: 6MB Desktop Apps via OS WebViews, No Chromium Bundling
21CTO
21CTO
Oct 14, 2026 · Industry Insights

NetBSD Bans AI Code, Hits Record Donations as Linux Embraces AI

NetBSD explicitly prohibits AI-generated code, attracting users opposed to AI in open source and securing record donations, while Linux, FreeBSD, and OpenBSD debate or adopt AI, highlighting a growing divide in the FOSS ecosystem.

AI-generated codeBSDNetBSD
0 likes · 7 min read
NetBSD Bans AI Code, Hits Record Donations as Linux Embraces AI
21CTO
21CTO
Oct 14, 2026 · Backend Development

Linus Torvalds Uses AI for Linux Kernel Patches: 3x Read Throughput, Unresolved Memory Issues

Linus Torvalds employed Claude Code to create an 8-patch series that removes a page-cache contention bottleneck for tiny concurrent reads, boosting 8-thread throughput from ~10M to ~32M reads/sec on a laptop, but the patches delay memory reuse via RCU grace periods and still have regressions, leaving them unmerged as of October 2024.

AI-assisted codingClaude CodeLinus Torvalds
0 likes · 9 min read
Linus Torvalds Uses AI for Linux Kernel Patches: 3x Read Throughput, Unresolved Memory Issues
21CTO
21CTO
Oct 13, 2026 · Industry Insights

TIOBE October 2026 Rankings: Julia Returns to Top 20 After Three Years

TIOBE's October 2026 programming language index shows Julia re-entering the top 20 after a three-year absence, while Python leads at 19.23% despite a year-over-year decline, and C widens its lead over C++; the index also added Chinese search terms to better reflect global developer activity.

C++JavaJulia
0 likes · 10 min read
TIOBE October 2026 Rankings: Julia Returns to Top 20 After Three Years
21CTO
21CTO
Oct 12, 2026 · Industry Insights

From Beach Epiphany to Global Standard: The Barcode's 70-Year Journey

This article traces the barcode's evolution from a 1948 supermarket executive's request through Joseph Woodland's Morse-code-inspired beach epiphany, IBM's rectangular UPC design beating RCA's bullseye patent, the first 1974 commercial scan of Wrigley's gum, to today's 10+ billion daily scans across retail, logistics, and healthcare.

George LaurerIBMJoseph Woodland
0 likes · 17 min read
From Beach Epiphany to Global Standard: The Barcode's 70-Year Journey