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class String
  def count_words
    h = Hash.new(0)
    self.downcase.gsub(/[[:punct:]]/, '').split.each { |w| h[w] += 1 }
    return h
  end
end

#print 'a b c d e a b a a b c d d e f'.count_words #=> {"a"=>4, "b"=>3, "c"=>2, "d"=>3, "e"=>2, "f"=>1}

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<div class="ctrl clearfix">
  <a href="/m/main/mypage.jsp" class="btn btn-default pull-right">取消</a>                                    
  <a class="btn btn-primary pull-right" href="talk.jsp?Username=xxx">改傳訊息</a>
  <a class="btn btn-warning pull-right" href="sticker.jsp?Username=xxx">改傳貼圖</a>
</div>

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====Detecting hime install====
==>Hime binary found.

==>/usr/bin/hime: version 0.9.10 (git b745493), linked to /usr/lib/libgtk-x11-2.0.so.0 
==>/usr/share/doc/hime/ChangeLog: 0.9.10


====Detecting OS/Distribution====
Linux 3.19.3-3-ARCH #1 SMP PREEMPT Wed Apr 8 14:10:00 CEST 2015 x86_64 GNU/Linux

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原文
ループが書けなくなる(或いは再帰依存症)レベル10
http://d.hatena.ne.jp/yuki_neko_nyan/20090217/1234850409

level 0
不會寫遞迴，也沒辦法用遞迴思考。只覺得用迴圈寫就好了。

level 1
開始學習遞迴，但只要一用遞迴思考就覺得煩。有時還會忘了寫終止條件。覺得實在太麻煩了還是想寫迴圈就好。

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import request from 'superagent'
import {
  SIGNUP_USER_STARTED,
  SIGNUP_USER_COMPLETED,
  SIGNUP_USER_FAILED
} from 'shared/constants/ActionTypes'
import { auth } from 'shared/actions/AuthActions'

export function submit (form) {
  return async dispatch => {

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export function login (form) {
  return async dispatch => {
    dispatch({ type: AUTH_USER_STARTED })
    try {
      const res = await auth(form)
      if (res && res.token) {
        setToken(res.token)
        return dispatch({
          type: AUTH_USER_COMPLETED,
          token: res.token

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export async function auth (form) {
  return new Promise((resolve, reject) => {
    request
      .post('/api/v1/login')
      .set('Accept', 'application/json')
      .auth(form.email, form.password)
      .end(function (err, res) {
        if (!err && res.body) {
          resolve(res.body)
        } else {

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#include <iostream>

/* C++ 14 */
int main(void) {
  auto add = [](auto x, auto y) {return x + y;};
  printf("%d", add(1,2));
}

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#include <iostream>
#include <string>

using namespace std;

#ifdef _WIN32
    #include <windows.h>

    void _sleep(unsigned int milliseconds)
    {

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// borrow from react-redux-starter-kit
// https://github.com/davezuko/react-redux-starter-kit

export function createConstants (...constants) {
  return constants.reduce((acc, constant) => {
    return Object.assign({}, acc, { [constant]: constant })
  }, {})
}

export function createReducer (initialState, reducerMap) {