明城 mingcheng

mingcheng / gist:3365876

Created August 16, 2012 02:36

Hello, world!

:^)

mingcheng / gist:3449022

Created August 24, 2012 10:48

兼容所有浏览器的图片灰度滤镜

mingcheng / gist:4152074

Created November 27, 2012 02:48

Gets the data from a URL

	/* gets the data from a URL */
	function get_data($url) {
	$ch = curl_init();
	$timeout = 5;
	curl_setopt($ch, CURLOPT_URL, $url);
	curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
	curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, $timeout);
	curl_setopt($ch, CURLOPT_USERAGENT, "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_8_2) AppleWebKit/537.11 (KHTML, like Gecko) Chrome/23.0.1271.64 Safari/537.11");
	curl_setopt($ch, CURLOPT_REFERER, $url);
	$data = curl_exec($ch);

mingcheng / gist:4173614

Created November 30, 2012 03:33

remount android partition for read/write

	The commands for mounting the partition and copying the old build.prop from the root of your sdcard are:

	$su
	# mount -ro remount,rw /system

	You don't need to use those though if you are using an app that gets root access.

mingcheng / gist:4173722

Created November 30, 2012 04:07

Android 检查网络状态

	public void myClickHandler(View view) {
	...
	ConnectivityManager connMgr = (ConnectivityManager)
	getSystemService(Context.CONNECTIVITY_SERVICE);
	NetworkInfo networkInfo = connMgr.getActiveNetworkInfo();
	if (networkInfo != null && networkInfo.isConnected()) {
	// fetch data
	} else {
	// display error
	}

mingcheng / gist:4460417

Created January 5, 2013 07:58

淘宝的 IP 地址请求库

	http://greencompute.org/instructions.php

	1. 请求接口（GET）：

	http://ip.taobao.com/service/getIpInfo.php?ip=[ip地址字串]

	2. 响应信息：
	（json格式的）国家、省（自治区或直辖市）、市（县）、运营商

	3. 返回数据格式：

mingcheng / gist:4473364

Last active December 10, 2015 18:18

在 Android 设备中发起 HTTP GET 请求

	String response = "";

	DefaultHttpClient client = new DefaultHttpClient();
	HttpGet httpGet = new HttpGet(url);
	try {
	HttpResponse execute = client.execute(httpGet);
	InputStream content = execute.getEntity().getContent();
	BufferedReader buffer = new BufferedReader(new InputStreamReader(content));

	String s = "";

mingcheng / gist:5472680

Created April 27, 2013 10:55

Android/Java equivalent of MD5 function in PHP

	public static String md5(String string) {
	byte[] hash;

	try {
	hash = MessageDigest.getInstance("MD5").digest(string.getBytes("UTF-8"));
	} catch (NoSuchAlgorithmException e) {
	throw new RuntimeException("Huh, MD5 should be supported?", e);
	} catch (UnsupportedEncodingException e) {
	throw new RuntimeException("Huh, UTF-8 should be supported?", e);
	}

mingcheng / gist:835238415f94c2c35285

Created December 19, 2014 01:51

SQLite 获取和删除重复的数据

	# 获取重复的数据
	select title, id, count() as count from eslpod group by title having count() > 1;

	# 删除重复的数据，其中 rowid 为 sqlite 自带字段
	delete from eslpod where eslpod.rowid not in (select max(eslpod.rowid) from eslpod group by
	title);

mingcheng / HelloWorld.java

Created May 23, 2019 01:31


	public class HelloWorld {
	public static void main(String[] args) {
	var greet = "Hello, world!";
	System.out.println(greet);
	}
	}