aeg

// Case #1
// 2乗を計算する

// 5^2 = 25
// 引数も結果も Double
assert Math.pow(5, 2) == 25


// Case #2
// 累乗(N の M 乗)を計算する

aeg

// Case #1
// 10進数を16進数にする

assert Integer.toHexString(129) == '81'

// Case #2
// 10進数を2進数にする

assert Integer.toBinaryString(129) == '10000001'

aeg

// Case #1
// 短縮URLを展開する
// 短縮URLが存在しない場合には、groovyx.net.http.HttpResponseException をthrowする

import groovyx.net.http.HttpURLClient

assert 'https://gyakubiki-groovy.rhcloud.com/' == expandURL("http://bit.ly/gyakubikigroovy")

public String expandURL(String urlStr) {
  HttpURLClient http = new HttpURLClient(followRedirects:false)

aeg

// Case #1
// URIエスケープする(URLエンコードとかURIエスケープとか言われたりする)

def str = 'http://www.asahi.com/q="test aaa&1344"'

def result = new URLEncoder().encode(str)

assert result == 'http%3A%2F%2Fwww.asahi.com%2Fq%3D%22test+aaa%261344%22'

// Case #2

aeg

println expandURL("http://j.mp/dankogai")

public String expandURL(String urlStr) {
  HttpURLClient http = new HttpURLClient(followRedirects:false)
  def params = [ url:urlStr,
          headers:['User-Agent':'Mozilla/5.0'] ]
  def resp = http.request( params )
  return resp.headers.'Location'
}

aeg

package org.eiji.list

// Case #1
// リストを空にする

def list1 = ['a', 'b', 'c']

list1.clear()

assert list1 == []

aeg

Last Updated: February 28, 2013

Yammer Privacy Statement

Microsoft and the Yammer team are committed to protecting your privacy. This privacy statement applies to the data collected by Microsoft through use of Yammer services (the “Service” or “Services”); it does not apply to other online or offline Microsoft sites, products, or services.

Yammer Networks

A “Yammer Network” is the network for using the Services defined by your organization’s email domain.  For example, all users who sign up with a “contoso.com” email address would be part of the Contoso Yammer Network. In addition, a company may invite users with different email domain names to their Yammer Network as “guest users” or as participants in external networks associated with that Yammer Network.

aeg

// Case #1
// マップに要素を追加する
def map1 = [:]

map1.put('犬1', 'taro')
map1.put('猫1', 'tama')
map1['犬2'] = 'jiro'

println map1

aeg

// Case #1
// リスト要素の順列組合せを得る

def list1 = ['a', 'b', 'c']
def list2 = list1.permutations()

// Collections.permutations() の結果は HashSet になるので、比較のために ArrayListに変換している
assert list2 as ArrayList == [['c', 'b', 'a'], ['a', 'c', 'b'], ['c', 'a', 'b'],
        ['b', 'c', 'a'], ['b', 'a', 'c'], ['a', 'b', 'c']]

aeg

// Case #1
// リストからランダムに1つだけ要素を選ぶ

def list1 = ['a', 'b', 'c', 'd']
def item = list1[new Random().nextInt(list1.size())]

println item

// 実行結果例(実行する度に結果が異なる)
// c