📰 Dev.to · Recca Tsai

An open-source project that spawns Claude Code CLI directly and parses the full NDJSON protocol, with session fork/resume/worktree, Split deployment, file explo

When you have multiple GitHub accounts or need a specific SSH key for a repo, here are three approaches: GIT_SSH_COMMAND for one-off use, git config core.sshCom

An open-source proxy that lets you keep using Claude Code CLI, VS Code, and JetBrains interfaces while routing API calls to NVIDIA NIM, OpenRouter, DeepSeek, or

Continuing the cache TTL audit series, this time breaking down by model. The server silently switched main agent models three times (Opus 4.6 → Sonnet 4.6 → Opu

A deep dive into testing a filesystem service using memfs to replace fs and a hand-written Fake to replace chokidar, making filesystem tests fast, deterministic

On 4/14 I reported 5 days of sub-agent 100% 5m and left it at "monitoring." Today 4/26 it''s 17 straight days, 15,727 API calls, 0 1h writes. Anthropic closed t

When spawning a high-output CLI in Node.js, the last few KB vanish on process.exit(). After comparing 6 solutions, the only reliable cross-platform stdlib fix i

A walkthrough of ConardLi/web-design-skill: anti-cliché blocklist, oklch colors, declared design systems, and a v0 draft workflow that rescues AI-generated page

Zustand is a 1KB React state management library. One create() call handles state and actions, no Provider wrapping needed, selectors prevent unnecessary re-rend

Zod is a TypeScript-first schema validation library. Define a schema once, get runtime validation and TypeScript types automatically. Supports parse/safeParse,

yazi is an async Rust terminal file manager with vim keybindings, image preview, Lua plugins, and fzf/zoxide integration. Alacritty has no native image protocol

Terratest is a Go library for writing real integration tests against Terraform modules. It deploys actual infrastructure, validates it, then destroys it — cover

Terraform is an Infrastructure as Code tool that manages AWS, GCP, Cloudflare and 3000+ providers with HCL. Covers installation, HCL syntax, state management, m

NULL behavior varies across databases and causes two common problems: JOIN on NULL columns returns no rows, and UNIQUE constraints allow multiple NULLs. Covers

reverse_ssh flips SSH: target machines connect back to your server, and you connect to them with standard SSH syntax. HTTP/WebSocket/TLS transports punch throug

Inside a Laravel subdomain route, url() and route() produce URLs with the subdomain. Clone app(UrlGenerator::class) and call useOrigin() to generate root domain

Don't guess why your Docker image is large — use docker image history and dive to see exactly where the weight is. Fix what's actually broken. A real 1.25GB → 1

auto-venv is a Fish shell plugin that automatically activates and deactivates Python venvs on directory change. Supports .venv, venv, .env, env naming, uses git

I thought React Compiler meant no more manual memo. Then tab-switch took 512ms. Three compiler blind spots — child component boundaries, prop identity intent, a

reptyr uses ptrace to re-attach a running process to a new terminal. Started a long job over SSH without tmux? reptyr moves the process into tmux so you can dis

The most common Python mock mistake: patching utils.sum when the test still runs the real function. When you do `from utils import sum`, the importing module ge

Terraform 1.6 ships a built-in test framework. Write tests in .tftest.hcl, run with terraform test. Supports plan-only unit tests, mock_provider without cloud c

sslh is a protocol multiplexer that lets SSH, HTTPS, and OpenVPN share a single port. The most common use case: hide SSH on port 443 to get through firewalls th

pytest-mock provides a mocker fixture that integrates unittest.mock.patch into pytest's lifecycle — no manual start/stop, no with blocks, no decorator ordering