lakemove

// http://en.wikipedia.org/wiki/Variance
// http://upload.wikimedia.org/math/a/3/3/a336557f138eb90bafc9e6ebc00e926d.png

var data = [{x: 1, p: 0.1}, {x: 2, p: 0.3}, {x: 8, p: 0.6}]; //{x:probability}

var mu = 0, sigma = 0;
for (i in data) {
  mu += i.p * i.x;
  sigma += i.p * i.x * i.x;

lakemove

#!/bin/bash

# download video by providing video url and cookie.
# saved file name will be from Content-Disposition
function download() {
	local url=$1
	local cookies=$2

	local filename=$(curl -I -L -s --cookie "$cookies" "$url" | grep Content-Disposition | python -c "import sys, urllib as ul; print ul.unquote(sys.stdin.read());" | awk -F\" '{print $2}')
	echo "start to download $filename"

lakemove

#!/bin/bash

WORKDIR=/tmp/svn-work-dir
mkdir $WORKDIR && cd $WORKDIR

svn info svn+ssh://subversion.evenex.com/svn/comp/OutgoingDocumentReceiveService/branches/FDD-4256 >/dev/null
if [ $? -eq 0 ]; then
  echo "branch already exist, delete it [y/n](y)?"
  svn rm svn+ssh://subversion.evenex.com/svn/comp/OutgoingDocumentReceiveService/branches/FDD-4256 -m "delete to create"
fi

lakemove

cmd=
for a in "$@"
do
  case "$a" in
	-*) continue ;;
	*)  cmd=$a; break; ;;
	esac
done

use_pager=

lakemove

description "blog-app server"
author "Jay"

start on startup
stop  on shutdown

script
  #Your scripts
  cd /home/jay/works/blog-app
  

lakemove

//pure-CSS drop down menus
div.menu-bar ul ul {
  display: none;
}
div.menu-bar li:hover > ul {
  display: block;
}

//image pre-loader
function preloadImages() {

lakemove

#/bin/bash

export JAVA_HOME=/usr/lib/jvm/jdk1.6.0_25
export CATALINA_HOME=/usr/lib/apache-tomcat-7.0.26
export CATALINA_BASE=/srv/hudson-ci
export HUDSON_HOME=/srv/hudson-ci/hudson-home
export PATH=$JAVA_HOME/bin:$PATH

# see http://stackoverflow.com/questions/76327/how-can-i-prevent-java-from-creating-hsperfdata-files
# to disable it , use "-XX:-UsePerfData" , 

lakemove

# tcpdump ldap traffic to a file, then can be analyzed by wireshark
sudo tcpdump -vv -w /tmp/ldapdump -i lo port 389

#sniff http traffic
sudo ngrep -q -d eth0 -W byline host example.com and port 8180

#Search recursively to find a word or phrase in certain file types, such as C code
find . -name "*.[ch]" -exec grep -i -H "search pharse" {} \; | column -t -s ":"

#search empty folder

lakemove

@ECHO OFF
doskey ls=dir /b $*

rem Java
set JAVA_HOME=C:\opt\jdk1.6.0_25
set Path=%JAVA_HOME%\bin;%Path%

rem Maven
set MVN_HOME=C:\opt\apache-maven-3.0.4

lakemove

<project xmlns="http://maven.apache.org/POM/4.0.0" 
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">

	<modelVersion>4.0.0</modelVersion>
	
	<groupId>org.liulijie</groupId>
	<artifactId>blog-app</artifactId>
	<version>0.0.1-SNAPSHOT</version>
	<packaging>war</packaging>