XuefengWu

import java.io.FileOutputStream
import java.net.URL
import java.nio.channels.{Channels, ReadableByteChannel}
import java.util.Scanner
import java.util.zip.ZipFile

object JenkinsPluginDownloader {
  def main(args: Array[String]): Unit = {
    if(args.length < 2) {
      println(s"usage: scala JenkinsPluginDownloader junit 1.19")

XuefengWu

#!/usr/bin/python
import sys
import zipfile
import urllib


def download_plugin(name,version):
    pluginUrl = "http://updates.jenkins-ci.org/download/plugins/%s/%s/%s.hpi" % (name,version,name)
    print "downloading: %s" % pluginUrl
    file = "%s.hpi" % name

XuefengWu

object ScalaForApp extends App {
  val scalaFor = new ScalaFor()
  benchmark("testForeach", 10){scalaFor.testForeach()}
  benchmark("testWhile", 10){scalaFor.testWhile()}

  def benchmark(msg: String, times: Int)(f: => Unit): Unit = {
    var i = 0
    val start = System.nanoTime()
    while(i != times){
      f

XuefengWu

package spark


import java.io._
import java.util.zip.Deflater

import com.esotericsoftware.kryo.io.{Input => KryoInput, Output => KryoOutput}
import com.esotericsoftware.kryo.serializers.DeflateSerializer
import com.twitter.chill.{AllScalaRegistrar, EmptyScalaKryoInstantiator}
import org.apache.hadoop.io.compress.DeflateCodec

XuefengWu

//d3, a function return dom, but not handle a outside or global dom.
//refact: http://bl.ocks.org/mbostock/3885304
function type(d) {
  d.frequency = +d.frequency;
  return d;
}


function createSvg(data) {
   var margin = {top: 20, right: 20, bottom: 30, left: 40},

XuefengWu

/**
 * Curry - Function currying
 * Copyright (c) 2008 Ariel Flesler - aflesler(at)gmail(dot)com | http://flesler.blogspot.com
 * Licensed under BSD (http://www.opensource.org/licenses/bsd-license.php)
 * Date: 10/4/2008
 *
 * @author Ariel Flesler
 * @version 1.0.1
 */

XuefengWu

function add(x) {return function(y) {return x + y;}}
var add5 = add(5)
add5(1)
//log, warn,info,notice


function counter() {var count = 0; return function() {count ++; return count;}}
var increment = counter()
increment() //1
increment() //2

XuefengWu

(1 to 100 by 2).map(v => v * v).sum

//Parallel
(1 to 100 by 2).par.map(v => v * v).par.sum

//reduce can not Parallel
(1 to 100 by 2).reduce((acc,v) => acc + v * v)

//lazy, read from infinite
Stream.from(0).map(_ * 2 + 1).take(50).reduce((acc,v) => acc + v * v)

XuefengWu

function head(l) { return l[0];}

function tail(l) { return l.slice(1, l.length);}

function map(f,l) { if(l.length ==0 ) {return l;} 
		else {return [f(head(l))].concat(map(f,tail(l)));}}

map(function (i) {return i+1}, [1,2,3]) //[2,3,4]

function filter(p,l) {

XuefengWu

{
    "provider": {
        "name": "Activate Service"
    },
    "consumer": {
        "name": "Zoo App"
    },
    "interactions": [
        {
            "description": "Activate user with empty request body",