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require 'mina/bundler'
require 'mina/rails'
require 'mina/git'
require 'mina/rvm'    # for rvm support. (http://rvm.io)

set :domain, 'esdb.cn'
set :identity_file, '/User/somebody/.ssh/somebody.pem'
set :deploy_to, '/home/ubuntu/apps/xxx.com'
set :repository, 'ssh://git@bitbucket.org/somebody/xxx.com.git'
set :branch, 'master'

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NERDTree

o.......Open files, directories and bookmarks....................|NERDTree-o|
go......Open selected file, but leave cursor in the NERDTree.....|NERDTree-go|
t.......Open selected node/bookmark in a new tab.................|NERDTree-t|
T.......Same as 't' but keep the focus on the current tab........|NERDTree-T|
i.......Open selected file in a split window.....................|NERDTree-i|
gi......Same as i, but leave the cursor on the NERDTree..........|NERDTree-gi|
s.......Open selected file in a new vsplit.......................|NERDTree-s|
gs......Same as s, but leave the cursor on the NERDTree..........|NERDTree-gs|

O.......Recursively open the selected directory..................|NERDTree-O|

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Using Git

Global Settings

Related Setup: https://gist.github.com/hofmannsven/6814278

Related Pro Tips: https://ochronus.com/git-tips-from-the-trenches/

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tmux shortcuts & cheatsheet

start new:

tmux

start new with session name:

tmux new -s myname

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SSL 设计目标:

1. 防内容篡改
2. 防冒充服务器身份
3. 加密通信内容

而翻墙的目标:

1. 不被检测出客户端在访问什么网站
2. 不被检测出服务器在提供翻墙服务

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 literally always have to look up the meaning of :limit in migrations when it comes to integer values. Here's an overview. Now let's memorise it (oh, this works for MySQL, other databases may work differently):

:limit	    Numeric Type	Column Size	Max value
1	     tinyint	         1 byte	          127
2	     smallint	         2 bytes	32767
3	     mediumint	         3 byte	        8388607
nil, 4, 11    int(11)	         4 byte	       2147483647
5..8	      bigint	         8 byte	     9223372036854775807

Note: by default MySQL uses signed integers and Rails has no way (that I know of) to change this behaviour. Subsequently, the max. values noted are for signed integers.

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Rails Models

Generating models

$ rails g model User

Associations

belongs_to

has_one

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$ webpack-dev-server --content-base ./ --port <port> --hot

#检测文件改动webpack 是否察觉 webpack --watch --progress

#如果改动文件(并保存), webpack没有察觉 , 则执行

$ echo fs.inotify.max_user_watches=524288 | sudo tee -a /etc/sysctl.conf && sudo sysctl -p

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# === EDITOR ===
Pry.editor = 'vim'

# == Pry-Nav - Using pry as a debugger ==
Pry.commands.alias_command 'c', 'continue' rescue nil
Pry.commands.alias_command 's', 'step' rescue nil
Pry.commands.alias_command 'n', 'next' rescue nil
Pry.commands.alias_command 'r!', 'reload!' rescue nil

Pry.config.color = true

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+------------+
|permissions |
+-----+------+
      |
   has_many through                   +----+  permission_id
      |          +--------------------+
      +-----^+-> |  role_permissions  |
             |   +--------------------+
          has_many through            +----+  role_id
             +