the official home of the python programming language

the perl programming language at perl.org. links and other helpful resources for new and experienced perl programmers.

the official home of the erlang programming language

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

since 1983, developing the free unix style operating system gnu, so that computer users can have the freedom to share and improve the software they use.

菜鸟教程(www.runoob.com)提供了编程的基础技术教程, 介绍了html、css、javascript、python，java，ruby，c，php , mysql等各种编程语言的基础知识。 同时本站中也提供了大量的在线实例，通过实例，您可以更好的学习编程。..

tutorials point is an online learning platform providing free tutorials, paid premium courses, and ebooks. learn the latest technologies and programming languages sql, mysql, python, c, c++, java, python, php, machine learning, data science, ai, prompt engineering and more.