https://www.javatpoint.com/javascript-tutorial
https://www.javatpoint.com/html-tutorial
https://www.javatpoint.com/css-tutorial
https://www.javatpoint.com/php-tutorial
https://www.javatpoint.com/jquery-tutorial
https://www.javatpoint.com/json-tutorial
https://www.javatpoint.com/xml-tutorial
https://www.javatpoint.com/ajax-tutorial
https://www.javatpoint.com/nodejs-tutorial

www.runoob.com有html/css/php/js/linux中文教程，非常详细
http://www.runoob.com/linux/linux-shell.html
http://www.w3school.com.cn/php/func_http_header.asp

本仓库收集一些精选的 CSS 代码片段，这些代码你可以在 30 秒之内学习并理解
https://30-seconds.github.io/30-seconds-of-css/
https://gitee.com/seconds-of-code/30-seconds-of-css
https://gitee.com/seconds-of-code/30-seconds-of-code
https://gitee.com/seconds-of-code/30-seconds-of-php-code

什么是 JavaScript？（mozilla - MDN的教程）
https://developer.mozilla.org/zh-CN/docs/Learn/JavaScript/First_steps/What_is_JavaScript

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CSS设计指南（第3版）CD_goodx
https://download.csdn.net/download/lc520dy1314/8410281

[变幻之美-DivCSS网页布局揭秘(内含源码)
https://download.csdn.net/download/qq_35744172/9608806

CSS：高级Web标准解决方案（第2版）+源码
https://download.csdn.net/download/lc520dy1314/8410247

JavaScript DOM编程艺术（中文第二版）+源代码
https://download.csdn.net/download/gzchengang/10582266

JavaScript 高级程序设计(第三版)源码
https://download.csdn.net/download/lc520dy1314/8410397

Python网络编程第三版(中文PDF+源码打包).rar
https://download.csdn.net/download/bbb_sxja59f/10239656

Python+Web开发实战(中文pdf+源码)
https://download.csdn.net/download/bbb_sxja59f/10366212

ThinkPHP实战 随书代码
https://download.csdn.net/download/vm0629/9975506