Play-with-Algorithms. Codes of my MOOC Course <Play with Algorithms>, Both in C++ and Java language. Updated contents and practices are also included. 我在慕课网上的课程《算法与数据结构》示例代码，包括C++和Java版本。课程的更多更新内容及辅助练习也将逐步添加进这个代码仓。
3.7kPlay-Leetcode. My Solutions to Leetcode problems. All solutions support C++ language, some support Java and Python. Multiple solutions will be given by most problems. Enjoy:) 我的Leetcode解答。所有的问题都支持C++语言，一部分问题支持Java语言。近乎所有问题都会提供多个算法解决。大家加油！：）
2.7kPlay-with-Data-Structures. Codes of my MOOC Course <Play Data Structures in Java>. Updated contents and practices are also included. 我在慕课网上的课程《Java语言玩转数据结构》示例代码。课程的更多更新内容及辅助练习也将逐步添加进这个代码仓。
2kPlay-with-Machine-Learning-Algorithms. Code of my MOOC Course <Play with Machine Learning Algorithms>. Updated contents and practices are also included. 我在慕课网上的课程《Python3 入门机器学习》示例代码。课程的更多更新内容及辅助练习也将逐步添加进这个代码仓。
1.3kPlay-with-Algorithm-Interview. Codes of my MOOC Course <Play with Algorithm Interviews>. Updated contents and practices are also included. 我在慕课网上的课程《玩儿转算法面试》示例代码。课程的更多更新内容及辅助练习也将逐步添加进这个代码仓。
1.1kai-learning-roadmap. Ai Learning Roadmap based on lots of open course sources and book materials. 我总结的 AI 学习路径。
496Play-with-Linear-Algebra. Codes of my MOOC Course <Play with Linear Algebra>. Updated contents and practices are also included. 我在慕课网上的课程《玩转线性代数》示例代码，使用Python语言。课程的更多更新内容及辅助练习也将逐步添加进这个代码仓。
391Play-with-Algorithm-Visualization. Codes of my MOOC Course <Play with Algorithm Visualization>. Updated contents and more demos or practices are also included. 我在慕课网上的课程《看得见的算法》Java示例代码。课程的更多更新内容及辅助练习也将逐步添加进这个代码仓。
303Play-with-Swift-2. The code of my MOOC Course - <Play with Swift 2>(supporting for the newest Swift 2.2). 我在慕课网上的课程《玩儿转 Swift 2》示例代码及更新（支持最新的Swift2.2）。
269cool-open-sharings. Sharing open source projects, books, or articles in this repo. All sharings will be firstly released in "isn't it cool" 我的公众号《是不是很酷》中的子栏目《【是不是很酷】开源资源 分享》文章和相关资源链接备份。
244Play-with-Graph-Algorithms. Codes of my MOOC Course <Play Graph Algorithms in Java>. Updated contents and practices are also included. 我在慕课网上的课程《Java语言玩转图论算法》示例代码。课程的更多更新内容及辅助练习也将逐步添加进这个代码仓。
157my-blog. All my original articles will be backed up here. All my articles will be first released in my WeChat Original Account: <Isn't it Cool> 我的公众号《是不是很酷》的文章备份。同时包含我在其他地方的一些零碎文字，以及过往文章的一些补充与修订：）
98liuyubobobo. Hi, It's me ：）
73heart-curve-cplusplus. This repo uses C++ to "draw" a heart shape in your command line. Happy Valentine's Day!
57Play-Leetcode-Database. My Solutions to Leetcode Database problems. 我的 Leetcode 数据库题解。大家加油！：）
37My-Google-Foobar. My Google Foobar Solutions by Java. 我的 Google Foobar 题解。作为一个 old school 的程序员，所有问题都使用 Java 解决。应该属于少数派了：）
25Whats-New-in-Swift3. The code of my MOOC Course - <Play with Swift 3 New Features>. 我在慕课网上的课程《玩儿转 Swift 3新特性》的课程代码。
22chinese-poetry. 最全中华古诗词数据库, 唐宋两朝近一万四千古诗人, 接近5.5万首唐诗加26万宋诗. 两宋时期1564位词人，21050首词。
19Play-Advent-of-Code. My solutions to Advert of Code (http://adventofcode.com/) . All solutions support C++, some support Java and Python:)
9Swift-NSDate-Tutorial. Tutorials on how to use swift NSDate or related classes. NSDate, NSDateFormatter, NSCalendar, NSDateComponents, NSDateComponentsFormatter, etc included.
9HackerRank-Cracking-the-Coding-Interview. A repo based on the HackerRank Tutorials Course "Cracking the Coding Interview Challenges". All problems are solved by C++.
8Canvas-Red-Envelope-Photo. 使用Canvas实现微信红包照片效果。慕课网相关公开课程资料。
8HackerRank-10-Days-of-Statistics-Challenges. A repo based on the HackerRank Tutorials Course "10 Days of Statistics Challenges". All problems are solved by C++.
8HackerRank-30-Days-of-Code-Challenges. A repo based on the HackerRank Tutorials Course "30 Days of Code Challenges". All problems are solved by C++.
7awesome-competitive-programming. :gem: A curated list of awesome Competitive Programming, Algorithm and Data Structure resources
6Google-Material-Design-Color-in-Swift. An Swift 2.2 Implementation of Google Material Design Color
5Python-Challenge. My solutions to python challenges in http://www.pythonchallenge.com/.
4coursera-dl. Script for downloading Coursera.org videos and naming them.
2OJ-Project-Euler. This repo presents my solutions to Project Euler (https://projecteuler.net) and Project Euler + in HackerRank(https://www.hackerrank.com/contests/projecteuler/challenges)
2Swift-Force-Touch-Demos. 3 demos using brand new Cocoa Touch API - 3D Touch, to implement a scale, an easy doodle app and a circle generator plus physical effects.
2HackerRank-CPlusPlus. A repo based on the HackerRank Track "C++".
2edx-dl. A simple tool to download video lectures from edx.org (and other openedx sites)
1Swift-Comment-Documentation-Tutorial. This is a tutorial for how to use swift comment to create documentation.
1