Server Side Request Forgery (SSRF) tricks your own server into fetching malicious URLs — leaking cloud credentials, exposing internal services, and bypassing firewalls entirely. This guide walks through a real vulnerable Python app, explains every attack vector including DNS rebinding, and builds a production-ready fix with six layers of defense.
Git Worktree Explained: Work on Multiple Branches at Once
Git Worktree is Git’s built-in superpower for checking out multiple branches into separate directories — simultaneously. No stashing, no duplicate clones. This tutorial walks you through the complete lifecycle: adding, using, troubleshooting, and removing worktrees, with real hotfix scenarios and pro tips you won’t find in the official docs.
JSON vs JSONC vs JSON5: The Complete Guide for Devs
JSON, JSONC, and JSON5 look almost identical but break in completely different ways. This guide covers the real grammar constraints, parser compatibility traps, trailing-comma gotchas, and a decision framework to pick the right format for APIs, configs, and CI pipelines.
SnapDrift: Free Auto Visual Regression Testing On GitHub Actions
SnapDrift is a free, open-source visual regression testing tool built for GitHub Actions. It captures full-page screenshots on every push, compares them pixel-by-pixel against your baseline, and reports drift directly in your pull requests. No SaaS dashboards, no per-screenshot pricing — just two Actions and a JSON config.
Local LLM for Coding: Free AI Coding Agent With Ollama + Claude
This guide walks you through setting up a fully private, local LLM for coding on your own hardware. From model selection and hardware planning to IDE integration with Ollama and Continue.dev, you’ll build an AI coding stack where no code ever leaves your machine.