zavakid

object LinearizationLearn {


  case class Clazz(name: String, succ: List[Clazz])

  val animal = Clazz("animal", Nil)
  val furry = Clazz("furry", List(animal))
  val hasLegs = Clazz("hasLegs", List(animal))
  val fourLegged = Clazz("fourLegged", List(hasLegs))
  val cat = Clazz("cat", List(animal, furry, fourLegged))

zavakid

#!/bin/bash

if [ $# -eq 0 ];then
    echo "please enter java pid"
    exit -1
fi

pid=$1
jstack_cmd=""

zavakid

package com.mogujie.dragon.exodus.core.commons

import ch.qos.logback.classic.spi.ILoggingEvent
import ch.qos.logback.core.sift.AbstractDiscriminator
import scala.beans.BeanProperty

/**
 * author: luwu luwu@mogujie.com
 * 2014 2014-01-22 上午11:57
 */

zavakid

Latency numbers every programmer should know

L1 cache reference ......................... 0.5 ns
Branch mispredict ............................ 5 ns
L2 cache reference ........................... 7 ns
Mutex lock/unlock ........................... 25 ns
Main memory reference ...................... 100 ns             
Compress 1K bytes with Zippy ............. 3,000 ns  =   3 µs
Send 2K bytes over 1 Gbps network ....... 20,000 ns  =  20 µs
SSD random read ........................ 150,000 ns  = 150 µs

Read 1 MB sequentially from memory ..... 250,000 ns = 250 µs

zavakid

#/bin/bash
# 其实是使用了 perl 的 alarm
perl -e "alarm 10; exec @ARGV" "$@

zavakid

text = "{{asd}} sdfadsf afas {% a %}xxx{% enda %} asdfa asdf s af "
text.split(Liquid::TemplateParser)
                                               
# result:
[
"",
"{{asd}}",
" sdfadsf afas ",
"{% a %}",
"xxx",

zavakid

package com.zavakid.concurrent;

import java.util.concurrent.Semaphore;

import org.junit.Test;

/**
 * @author Zava 2012-10-12 下午1:06:15
 * @version 1.0
 */

zavakid

<?php

class StringRandomizer {

    public function process( $text ) {
        return preg_replace_callback('/\{(((?>[^\{\}]+)|(?R))*)\}/x', array( $this, 'replace' ), $text );
    }

    public function replace( $text ) {
        $text = $this->process( $text[ 1 ] );

zavakid

<?php

function urlReplace($text, $replaceWith){
  // set the callback function
  $callback = function($match)use($replaceWith){
    $replaced0 =preg_replace('/\{0\}/', $match[0], $replaceWith);
    return preg_replace('/\{1\}/', toUpper($match[0]), $replaced0);
  };  
  var_dump($callback);
  return preg_replace_callback('/https?:\/\/\S+(?= |$)/',$callback, $text);

zavakid

package com.zavakid.javassist.test;
public class Hello {	
	public void say(){
		System.out.println("Hello world.");
	}
}

//======================

package com.zavakid.javassist.test;