Simple, practical guides for developers.
Comparisons, how-tos, and getting-started guides for the tools and frameworks you actually use.
A three-way comparison of containers, microVMs, and full VMs covering isolation boundaries, boot time, memory overhead, and how to choose by workload, including why Docker Sandboxes picked microVMs for AI agents.
Install Immich with Docker Compose and move your entire Google Photos library over, albums, dates, and GPS intact, using Google Takeout and immich-go.
A hands-on guide to running GLM-5.2 locally with Unsloth Dynamic GGUFs and llama.cpp, including memory requirements, quant selection, and the full launch command.
A practical comparison of Memcached, Redis, and Dragonfly covering licensing, threading architecture, benchmarks, feature sets, and when the simplest cache actually wins.
How Enterprise-Managed Authorization (EMA) and the ID-JAG token chain let headless AI agents access MCP servers without a browser redirect or per-server consent screen.
A hands-on comparison of Bunny DNS, Cloudflare DNS, and Route 53 covering pricing, performance, routing features, and when to use each for authoritative DNS hosting.
Learn how SSH local and remote port forwarding work, when to use each, and how to set up persistent tunnels with autossh or ~/.ssh/config.
A three-way comparison of session cookies, JWTs, and opaque tokens covering revocation, storage, security attack surface, and when to use each.
How to add Apple's iOS 26 Liquid Glass effect to a React app using the liquid-glass-react library, including modes, props, browser compatibility, and a live nav bar example.
Use the brag Claude Code skill to turn any project into a shareable launch video with music, motion, and share copy — all from one command.
Set up Claude Code persistent memory safely with built-in memory, the third-party Recall plugin, and the separate Recall web-app MCP path.
A practical comparison of Deno Desktop, Electron, and Tauri covering bundle size, rendering consistency, language requirements, cross-compilation, and production readiness.
A technical comparison of Epic Games' Lore VCS and Git for projects with large binary files, covering fragment-level deduplication, sparse checkouts, centralization, and production readiness.
A direct comparison of Kimi K2.7 Code and GLM-5.2 for coding tasks, covering benchmarks, API constraints, context windows, pricing, and when to choose each.
An AI agent ran up thousands of dollars in API costs while scanning DN42. Here's how to set hard spending limits, token budgets, and kill switches before that happens to you.
Two HN threads with 2,600 combined points agree — local models are good now. Here's what that actually means for your coding workflow and when cloud APIs still win.
Three Chinese open-source coding tools released in 2026 — a model, an agent, and a large general-purpose model. Which layer of the stack do you actually need?
How to use Ponytail to make AI coding agents delete code instead of adding it — setup, real examples, and when it's the right tool.
How to use diffusionstudio/lottie and Claude Code to generate production-ready Lottie animations from natural language prompts — setup, workflow, and real examples.
Use your most capable model to audit and plan, then hand the work to a cheaper executor. A practical guide using shadcn/improve.
A practical comparison of building with plain HTML/CSS/JS versus React and Next.js — with working demos to show when each approach makes sense.
A practical guide to every breaking change in npm v12 and what you need to update in your projects.
The genuine receipts behind the hype — what Fable 5 actually did that convinced skeptics and switched developers away from GPT-5.5.
The model is remarkable. The business decisions around it are legitimately alarming — silent nerfing, over-aggressive classifiers, and a data retention clause worth reading.
What WWDC26's AI announcements mean for developers. Foundation Models framework, Core AI, and Apple Intelligence updates across iOS, macOS, and watchOS.
Swift 6.2 concurrency changes, Xcode 27 improvements, SwiftUI updates, and platform features for iOS 27 and macOS 27, from the non-AI half of WWDC26.
A practical comparison of SQLite and Postgres for building durable workflow engines, with working code examples for both checkpoint patterns.
OpenRouter adds a 5.5% fee on top of direct Anthropic, OpenAI, and Google API pricing. Here's what you get for it, and when you're better off without it.
A skeptical, reproducible test of Headroom, the context-compression wrapper for AI coding agents. We ran Codex 12 times across two task sizes to see if it really cuts tokens.
A hands-on comparison of Claude Code, GitHub Copilot, and Cursor on interface, agentic autonomy, and pricing, with a verdict on which to choose in 2026.