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(* Traditional (not tail-recursive) *)
fun fibonacci n =
    case n of
        0 => 0
      | 1 => 1
      | _ => fibonacci(n-1) + fibonacci(n-2)

(* tail-recursive *)
fun fbnc_tail n =
    let fun aux (n, n_1, n_2) =

lg0

# toggle iTerm Dock icon
# add this to your .bash_profile or .zshrc
function toggleiTerm() {
	pb='/usr/libexec/PlistBuddy'
	iTerm='/Applications/iTerm.app/Contents/Info.plist'
	
	echo "Do you wish to hide iTerm in Dock?"
	select ync in "Hide" "Show" "Cancel"; do
	    case $ync in
	        'Hide' )

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[
	{ "keys": ["ctrl+n"], "command": "move", "args": {"by": "lines", "forward": true} }
]

lg0

<!-- This depth of field effect uses SVG filters in CSS3 it currently only works in Chrome -->
<div id="photoframe">
<img id="full" src="https://dl.dropbox.com/u/32918455/camera%20pics/full.png" />
<img class="blurable" data-blurindex="10" id="fullblur" src="https://dl.dropbox.com/u/32918455/camera%20pics/full.png" />
<img class="blurable" data-blurindex="8" id="lenses" src="https://dl.dropbox.com/u/32918455/camera%20pics/lens.png" />
<img class="blurable" data-blurindex="6" id="cameras" src="https://dl.dropbox.com/u/32918455/camera%20pics/camera.png" />
<img class="blurable" data-blurindex="4" id="film" src="https://dl.dropbox.com/u/32918455/camera%20pics/film.png" />
<img class="blurable" data-blurindex="2" id="filters" src="https://dl.dropbox.com/u/32918455/camera%20pics/filters.png" />
<img class="blurable" data-blurindex="0" id="loupes" src="https://dl.dropbox.com/u/32918455/camera%20pics/loupe.png" usemap="loupemap" />
<map id="loupemap" name="loupemap">

lg0

on vpnToggle(vpnName)
	tell application "System Events"
		tell current location of network preferences
			set VPNservice to service vpnName
			set isConnected to connected of current configuration of VPNservice
			if isConnected then
				disconnect VPNservice
				do shell script "./ip-down" with administrator privileges
			else
				do shell script "./ip-up" with administrator privileges

lg0

解决方案来自:[Apple Support Communities] (https://discussions.apple.com/thread/3275811?start=0&tstart=0)

1. 连接 VPN Cisco IPSec (让系统生成配置文件)
2. 拷贝配置文件到/etc/racoon打开终端执行:
   $ sudo cp /var/run/racoon/xxx.xxx.xxx.xxx.conf /etc/racoon
3. 修改 racoon 配置文件:
   $ sudo vim /etc/racoon/racoon.conf
4. 将最后一行注释掉（目的是不使用系统生成配置）:
   # include "/var/run/racoon/*.conf" ;
5. 将下面一行添加到文件末尾，包含分号（使用定制的配置文件）:

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tell application "Finder" to set theFile to POSIX path of (selection as alias)
tell application "Finder" to set fileExtension to name extension of (selection as alias)

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<!-- copy this to YOUR_THEME.tmTheme-->
  <dict>
	    <key>name</key>
	    <string>diff: deleted</string>
	    <key>scope</key>
	    <string>markup.deleted</string>
	    <key>settings</key>
	    <dict>
	        <key>background</key>
	        <string>#EAE3CA</string>

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# copy to ~/.bash_profile
# 
# xTerm-256color
export LS_OPTIONS='--color=auto'
export CLICOLOR='Yes'
export LSCOLORS='Exfxcxdxbxegedabagacad'

# Modify Terminal Prompt and Color
case $(id -u) in
	0)

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<section>
<h1>Related Posts</h1>
<ul class="posts">
    {% for post in site.related_posts limit:5 %}
    <li class="related">
        <a href="{{ root_url }}{{ post.url }}">{{ post.title }}</a>
    </li>
    {% endfor %}
    </ul>
</section>