Repository Index

🐙 Guides, papers, lessons, notebooks and resources for prompt engineering, context engineering, RAG, and AI Agents.

• deep-learning
• prompt-engineering
• openai
• chatgpt

Examples and guides for using the OpenAI API

• openai
• chatgpt
• gpt-4
• openai-api

🚀✨ Help beginners to contribute to open source projects

• open-source
• tutorial
• contribution
• beginner

This repository showcases various advanced techniques for Retrieval-Augmented Generation (RAG) systems. Each technique has a detailed notebook tutorial.

• rag
• tutorials
• langchain
• llama-index

Extensive Open-Source Guides for Android Developers

• android
• guides
• tutorials
• codepath

50+ tutorials and implementations for Generative AI Agent techniques, from basic conversational bots to complex multi-agent systems.

• agents
• genai
• tutorials
• langchain

TranslatedProgrammer Yupi's (程序员鱼皮) complete AI resource collection + zero-basics Vibe Coding tutorial. Shares step-by-step OpenClaw tutorials, ways to use large models (DeepSeek / GPT / Gemini / Claude / GLM), the latest AI news, a complete collection of Prompts, an AI knowledge encyclopedia (Agent Skills / RAG / MCP / A2A), AI programming tutorials (Harness Engineering), guides to using AI tools (Cursor / Claude Code / TRAE / Codex / Copilot), AI development framework tutorials (Spring AI / LangChain), and a guide to monetizing AI products, helping you quickly master AI technology and stay at the forefront of the times. This project is the open-source documentation aiguide, which has been upgraded to the Yupi AI Navigation website (鱼皮 AI 导航网站)

• ai
• artificial-intelligence
• chatgpt
• deep-learning

💻 Vibe Coding 101｜Your First Course For AI Product Builders.

• ai
• course
• vibe-coding
• coding

🎮 A step-by-step guide to implementing SSAO, depth of field, lighting, normal mapping, and more for your 3D game.

• shaders
• 3d
• graphics
• panda3d

Gitbook

• micropoor
• micro8
• penetration

What happens behind the scenes when we type www.google.com in a browser?

📚 Community guides for open source creators

• open-source
• oss
• best-practices
• tutorial

Translatedflink learning blog. http://www.54tianzhisheng.cn/ Covers Flink introduction, concepts, principles, hands-on practice, performance tuning, source code analysis, and more. Includes learning examples involving Flink Connector, Metrics, Library, DataStream API, Table API & SQL, and also shares large-scale project cases of Flink in production (PV/UV, log storage, real-time deduplication of 10 billion records, monitoring and alerting). You are welcome to support my column 《大数据实时计算引擎 Flink 实战与性能优化》 ("Big Data Real-Time Computing Engine Flink: Hands-On Practice and Performance Optimization")

• flink
• kafka
• elasticsearch
• spark

TranslatedWTF Solidity minimalist introductory tutorial, for beginners. Now supports English! Official website: https://wtf.academy

• airdrop
• auction
• blockchain
• dapp

Community guide to using YubiKey for GnuPG and SSH - protect secrets with hardware crypto.

• yubikey
• gpg
• gnupg
• ssh

An educational resource to help anyone learn deep reinforcement learning.

This guide details creating a secure Linux production system. OpenSCAP (C2S/CIS, STIG).

• linux
• linux-hardening
• linux-security
• security

Nginx Tutorials

TeachOpenCADD: a teaching platform for computer-aided drug design (CADD) using open source packages and data

The ESP32-S3 bench guide as a React app: live pinout, lessons with interactive simulators, a code reader for the esp-labs firmware, and the bench log. In 11 languages.

• education
• electronics
• embedded
• esp32

🔐 Tutorial of setting up Security for your API with one way authentication with TLS/SSL and mutual authentication for a java based web server and a client with both Spring Boot. Different clients are provided such as Apache HttpClient, OkHttp, Spring RestTemplate, Spring WebFlux WebClient Jetty and Netty, the old and the new JDK HttpClient, the old and the new Jersey Client, Google HttpClient, Unirest, Retrofit, Feign, Methanol, vertx, Scala client Finagle, Featherbed, Dispatch Reboot, AsyncHttpClient, Sttp, Akka, Requests Scala, Http4s Blaze, Kotlin client Fuel, http4k, Kohttp and ktor. Also other server examples are available such as jersey with grizzly. Also gRPC, WebSocket and ElasticSearch examples are included

• tls
• truststore
• certificate
• keystore

Swift Playground giving an overview over the inner workings of modern compilers

Full tutorial of computer vision and machine learning basics with OpenCV and Keras in Python.

👃 Crack open your old Game Boy and peek at the LCD data bus.

• game-boy-hardware
• game-boy
• gameboy