The Manifest.
More posts from The Manifest, paginated so the main blog stays lighter and faster to load.
Git Worktree Guide: Work on Multiple Branches Simultaneously
Stop stashing mid-feature for hotfixes. Learn how to use Git worktree to check out multiple branches into separate folders with real-world workflow examples.
How to Debug a Slow SQL Query in PostgreSQL
Step-by-step: find slow queries with pg_stat_statements, read EXPLAIN ANALYZE output, identify missing indexes, fix N+1 queries, and diagnose lock contention.
How to Get Your Dart Version from the Command Line
Learn the quick way to check your Dart SDK version on Windows, macOS, or Linux using the `dart --version` command.
Unsigned Columns in Laravel Migrations
How to declare unsigned integer columns in Laravel migrations using unsignedBigInteger(), foreignId(), and the unsigned() modifier. Updated for Laravel 12.
SSH & GPG Cheat Sheet: Keys, Tunnels & Signed Commits
Complete SSH and GPG reference — key generation, ssh-agent, config file aliases, port forwarding, database tunneling, GPG signing, and signed git commits.
TypeScript Cheat Sheet: Types, Generics & Utilities
The essential TypeScript reference for primitive types, generics, and utility types. Learn type guards, mapped types, and optimal tsconfig configurations.
PostgreSQL Cheat Sheet: SQL, Indexes, EXPLAIN & psql
Complete PostgreSQL reference — psql commands, CRUD queries, joins, indexes, EXPLAIN ANALYZE, CTEs, window functions, JSONB operators, and admin queries.
Regex Cheat Sheet: Patterns, Groups & Real-World Examples
Master regular expressions with this guide to anchors, groups, lookaheads, and quantifiers. Includes real-world patterns for emails, URLs, and passwords.
PHP - LinkedIn Skill Assessments Quizzes with Answers
In this article, you will find LinkedIn Assessment, Questions and Answers for PHP.
Linux & Bash Cheat Sheet: Commands Every Dev Needs
Complete Linux and Bash reference — file operations, permissions, processes, grep, find, networking, pipes, cron jobs, SSH, and shell scripting.
OpenAI API Cheat Sheet: GPT-4o, Tools & Assistants
Master the OpenAI API with this guide to GPT-4o, function calling, structured outputs, and Assistants. Includes DALL-E 3, Whisper, and embedding examples.
Gemini API Cheat Sheet: 2.5 Pro, Vision & Tools
Master Google Gemini API for 2.5 Pro and Flash models. Guide to vision, JSON output, function calling, Search grounding, and the Gemini CLI tool.
Tailwind CSS v4 Cheat Sheet: Layout, Flex & Grid
Complete Tailwind CSS v4 reference for layout, spacing, and typography. Master flexbox, grid, responsive design, and dark mode with this essential guide.
How to Set Up WSL2 for Windows Developers
WSL2 setup for Windows developers. Learn how to install Linux on Windows, configure Docker and VS Code, and optimize performance for a seamless experience.
curl Cheat Sheet: API Testing, Auth & File Uploads
Master curl for API testing. This reference covers GET/POST requests, auth, file uploads, timing breakdowns, and scripting patterns for developers.
Docker Cheat Sheet: Images, Containers, Compose & More
Complete Docker reference — pulling images, running containers, volumes, networks, exec, logs, Docker Compose commands, Dockerfile tips, and disk cleanup.
What You Should Never Paste Into AI Tools at Work
A practical security guide for teams using ChatGPT and other AI tools without accidentally leaking secrets, contracts, or customer data.
Claude API Cheat Sheet: SDK, CLI, MCP & Prompting
Complete Claude reference — Anthropic API, model IDs, Messages API params, Claude Code CLI commands, MCP setup, tool use, prompt caching, and Batch API.
How to Spot AI-Generated Phishing Before You Click
Generative AI has made phishing emails cleaner and more believable. This guide shows the practical signs that still give them away.
Prompt Injection, Explained for Normal People
Prompt injection sounds technical, but the core idea is simple: attackers hide instructions inside content and try to make an AI system obey them.
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