百度网盘地址： http://pan.baidu.com/s/1c2Cw9ck
Youtube: https://youtu.be/aQRZxaU3pAI
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视频outline: https://github.com/zilongshanren/Spacemacs-rocks/blob/master/episode2/day2/Readme.org
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Hacking Scripts: https://github.com/zilongshanren/Spacemacs-rocks/blob/master/episode2/day2/init.el
练习：
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搞懂setq和setq-default的区别 elisp - The difference between setq and setq-default in Emacs Lisp - Stack Overflow
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搞懂auto-mode-alist和cons cells，使用js2-mode打开.json文件。 Cons Cells (GNU Emacs Lisp Reference Manual)
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学习emacs lisp里面的cl(common lisp)扩展，弄懂loop for … in 的用法。 Common Lisp Extensions
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使用customize-group去配置js2-mode
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setq和defvar的区别是什么？
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下面这三行代码有什么区别和联系？什么是quote?
(setq package-selected-packages zilongshanren/packages)
(setq package-selected-packages 'zilongshanren/packages)
(setq package-selected-packages (quote zilongshanren/packages))
友情提示：关于练习的答案，尽量问Emacs和Google，实在搞不定再来问我。
视频中提到的链接：
- http://melpa.org/
- GitHub - abicky/nodejs-repl.el: Run Node.js REPL and communicate with the process
- GitHub - mooz/js2-mode: Improved JavaScript editing mode for GNU Emacs
- GitHub - nflath/hungry-delete: Enables hungry deletion in all modes.
- http://company-mode.github.io/
- GitHub - abo-abo/swiper: Ivy - a generic completion frontend for Emacs, Swiper - isearch with an overview, and more. Oh, man!
- GitHub - Fuco1/smartparens: Minor mode for Emacs that deals with parens pairs and tries to be smart about it.
我学到的新东西：
electric-indent-mode是emacs 24.4的新特性： A peek at Emacs 24.4: auto-indentation by default | Emacs Redux
那个electric-indent-mode 对单个分号的缩进是因为它自带fancy-comment的特性，缩进得很远就是为了和源码区分开来。如果连用多个分号就可以避免fancy-comment 了 感谢@robturtle
最后
强烈推荐大家把视频中提到的Package的Readme都好好看一下，这次视频内容有点多，遇到啥问题欢迎在下面留言。
Happy Hacking 