thmain

import java.util.LinkedList;
import java.util.Queue;

public class T_BFS {

	public void levelOrderQueue(Node root) {
		Queue<Node> q = new LinkedList<Node>();
		if (root == null)
			return;
		q.add(root);

52cik

npm set registry https://r.npm.taobao.org # 注册模块镜像
npm set disturl https://npm.taobao.org/dist # node-gyp 编译依赖的 node 源码镜像

## 以下选择添加
npm set sass_binary_site https://npm.taobao.org/mirrors/node-sass # node-sass 二进制包镜像
npm set electron_mirror https://npm.taobao.org/mirrors/electron/ # electron 二进制包镜像
npm set ELECTRON_MIRROR https://cdn.npm.taobao.org/dist/electron/ # electron 二进制包镜像
npm set puppeteer_download_host https://npm.taobao.org/mirrors # puppeteer 二进制包镜像
npm set chromedriver_cdnurl https://npm.taobao.org/mirrors/chromedriver # chromedriver 二进制包镜像
npm set operadriver_cdnurl https://npm.taobao.org/mirrors/operadriver # operadriver 二进制包镜像

ryd994

原文

警告：请务必读完本文！全篇读完！

无论新老用户，都有可能掉进陷阱。 下面我们列出了常见的问题，并解释如何解决他们。 在 Freenode IRC 的 #nginx 频道，我们经常看到这些问题。

[TOC]

jpalala

Install va homebrew

If you don't have homebrew installed - get homebrew here

Then run: brew install elasticsearch

Configuration

Update the elasticsearch configuration file in /usr/local/etc/elasticsearch/elasticsearch.yml.

quietlynn

/*
		12306 Auto Query => A javascript snippet to help you book tickets online.
		Copyright (C) 2011-2012 Jingqin Lynn
		
		Includes jQuery
		Copyright 2011, John Resig
		Dual licensed under the MIT or GPL Version 2 licenses.
		http://jquery.org/license

		Includes Sizzle.js