the haskell purely functional programming language home page.

official web site of the lua language

the official home of the python programming language

菜鸟教程(www.cainiaojc.com)是编程技术的基础教程,是初学者入门,技术人员不可多得的参考教程和手册,包含大量关于如何使用html、css、javascript、sql、python、php、bootstrap、java、xml等的在线实例。

github is where over 100 million developers shape the future of software, together. contribute to the open source community, manage your git repositories, review code like a pro, track bugs and features, power your ci/cd and devops workflows, and secure code before you commit it.

stack overflow is the largest, most trusted online community for developers to learn, share​ ​their programming ​knowledge, and build their careers.