> For the complete documentation index, see [llms.txt](https://note.910kuai.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://note.910kuai.com/master.md).

# Introduction

## Part I - PHP

* [开发环境](/part-i-php/de.md)
  * [安装扩展](/part-i-php/de/extensions.md)
* [原码反码补码](/part-i-php/yuan-ma-fan-ma-bu-ma.md)
* [位运算](/part-i-php/wei-yun-suan.md)

## Part II - 前端开发笔记

* [前端开发笔记](/part-ii-qian-duan-kai-fa-bi-ji/web.md)
  * [Nodejs](/part-ii-qian-duan-kai-fa-bi-ji/web/nodejs.md)
    * [开发环境](/part-ii-qian-duan-kai-fa-bi-ji/web/nodejs/de.md)
  * [Echarts](https://github.com/qqqwed/study/tree/23bd4a522c6e635606a4d26a4b9bd4f6936391a1/WEB/echarts.md)

## Part III - 数据结构与算法

* [复杂度速查表](/part-iii-shu-ju-jie-gou-yu-suan-fa/fu-za-du-su-cha-biao.md)
* 剑指 offer 题解
  * [数组中重复的数字](/part-iii-shu-ju-jie-gou-yu-suan-fa/jian-zhi-offer-ti-jie/shu-zu-zhong-zhong-fu-de-shu-zi.md)

## Part IV - 解决方案

* [单点登录（Single Sign On）解决方案](/part-iv-jie-jue-fang-an/sso.md)
* [前端常见跨域解决方案 (全)](/part-iv-jie-jue-fang-an/cf.md)