##### Markdown语法教程 (Markdown syntax tutorial)

- [Markdown Syntax](http://daringfireball.net/projects/markdown/syntax/ "Markdown Syntax")
- [Mastering Markdown](https://guides.github.com/features/mastering-markdown/ "Mastering Markdown")
- [Markdown Basics](https://help.github.com/articles/markdown-basics/ "Markdown Basics")
- [GitHub Flavored Markdown](https://help.github.com/articles/github-flavored-markdown/ "GitHub Flavored Markdown")
- [Markdown 语法说明（简体中文）](http://www.markdown.cn/, "Markdown 语法说明（简体中文）")
- [Markdown 語法說明（繁體中文）](http://markdown.tw/ "Markdown 語法說明（繁體中文）")

##### 键盘快捷键 (Keyboard shortcuts)
    
| Keyboard shortcuts (键盘快捷键)           |   说明           | Description           |
| :-------------------------------------- |:---------------- | :-----                 |
| Ctrl + Z / Command + Z                  | 撤销              | Undo                  |
| Ctrl + Y / Command + Y                  | 重做              | Redo                  |
| Ctrl + A / Command + A                  | 全选              | Select all             |
| Ctrl + F / Command + F                  | 查找/搜索          | Search                |
| Ctrl + G / Command + G                  | 切换搜索结果项      | Switch search results |
| Ctrl + Q / Command + Q                  | 代码折叠切换        | Switch code fold     |
| Ctrl + Shift + F / Command + Option + F | 替换              | Replace               |
| Ctrl + Shift + R / Command + Option + R | 全部替换           | Replace all           |

##### Emoji表情参考 (Emoji reference)

- [Github emoji](http://www.emoji-cheat-sheet.com/ "Github emoji")
- [Twitter Emoji \(Twemoji\)](http://twitter.github.io/twemoji/preview.html "Twitter Emoji \(Twemoji\)")
- [FontAwesome icons emoji](http://fortawesome.github.io/Font-Awesome/icons/ "FontAwesome icons emoji")

##### 流程图参考 (Flowchart reference)

[http://adrai.github.io/flowchart.js/](http://adrai.github.io/flowchart.js/)

##### 时序图参考 (SequenceDiagram reference)

[http://bramp.github.io/js-sequence-diagrams/](http://bramp.github.io/js-sequence-diagrams/)

##### TeX/LaTeX reference

[http://meta.wikimedia.org/wiki/Help:Formula](http://meta.wikimedia.org/wiki/Help:Formula)