The original sources of MS-DOS 1.25, 2.0, and 4.0 for reference purposes

手机号码归属地数据库，运营商，邮编，区号

😆 国内外互联网技术大牛们都写了哪些书籍：计算机基础、网络、前端、后端、数据库、架构、大数据、深度学习...

flink学习笔记

The Apache Flink SQL Cookbook is a curated collection of examples, patterns, and use cases of Apache Flink SQL. Many of the recipes are completely self-contained and can be run in Ververica Platfor…

A collection of hacking tools, resources and references to practice ethical hacking.

Phaser is a fun, free and fast 2D game framework for making HTML5 games for desktop and mobile web browsers, supporting Canvas and WebGL rendering.

LeetCode Solutions: A Record of My Problem Solving Journey.( leetcode题解，记录自己的leetcode解题之路。)

WebGoat is a deliberately insecure application

7.x - The WebGoat STABLE lessons supplied by the WebGoat team.

Getting Started with Spring Boot 3:

📚 Freely available programming books

安全思维导图集合

A collection of various awesome lists for hackers, pentesters and security researchers

Spring Framework

Java HTTP Request Library

Design patterns implemented in Java

分享 GitHub 上有趣、入门级的开源项目。Share interesting, entry-level open source projects on GitHub.

Code for Head First Design Patterns book (2020)