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Live-stream video from one android phone to another over WiFi
...sample code for the server:
// this is your network socket
ParcelFileDescriptor pfd = ParcelFileDescriptor.fromSocket(socket);
mCamera = getCameraInstance();
mMediaRecorder = new MediaRecorder();
mCamera.unlock();
mMediaRecorder.setCamera(mCamera);
mMediaRecorder.setAudioSource(MediaRecorder.AudioS...
Memcached下一站：HandlerSocket！ - 更多技术 - 清泛网 - 专注C/C++及内核技术
...SAM，InnoDB等各种引擎，不过推荐使用InnoDB。
HandlerSocket的协议非常简单，指令通过TAB分割，一行就是一个请求。本文用到了：
打开索引：P <索引标识> <数据库> <表> <索引> <字段>
插入数据：<索引标识> ‘+’ <参数个数> <...
Using ping in c#
...ply reply = pinger.Send(nameOrAddress);
pingable = reply.Status == IPStatus.Success;
}
catch (PingException)
{
// Discard PingExceptions and return false;
}
finally
{
if (pinger != null)
{
pinger.Dispose();
}
}
retu...
Simplest way to detect a mobile device in PHP
...
Here is a source:
Detect Mobile Browser
Download PHP script
Code:
<?php
$useragent=$_SERVER['HTTP_USER_AGENT'];
if(preg_match('/(android|bb\d+|meego).+mobile|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|iris|kindle|lge |maemo|midp|mmp|n...
java.net.UnknownHostException: Invalid hostname for server: local
...hostname "localhost" instead, or perhaps 127.0.0.1 or ::1 (the last one is IPv6).
From the javadocs:
Thrown to indicate that the IP address
of a host could not be determined.
127.0.0.1or ::1 or "localhost" should always be the loopback interface, so if that doesn't work I'd be really surpri...
社会化海量数据采集爬虫框架搭建 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...监控”。
那一般网站会有什么限制呢？
一定时间内单IP访问次数，没有哪个人会在一段持续时间内过快访问，除非是随意的点着玩，持续时间也不会太长。可以采用大量不规则代理IP来模拟。
一定时间内单账号访问次数，这...
WCF service startup error “This collection already contains an address with scheme http”
...;
<baseAddressPrefixFilters>
<add prefix="net.tcp://payroll.myorg.com:8000"/>
<add prefix="http://shipping.myorg.com:9000"/>
</baseAddressPrefixFilters>
</serviceHostingEnvironment>
</system.serviceModel>
In the abo...
Detect if Android device has Internet connection
...essarily need to make a full HTTP connection. You could try just opening a TCP connection to a known host and if it succeeds you have internet connectivity.
public boolean hostAvailable(String host, int port) {
try (Socket socket = new Socket()) {
socket.connect(new InetSocketAddress(host, po...
How do I update Ruby Gems from behind a Proxy (ISA-NTLM)
... Nov 15 '10 at 17:45
Peter MoresiPeter Moresi
2,32911 gold badge1212 silver badges44 bronze badges
...
Make sure only a single instance of a program is running
...r it to the solution above because it doesn't require a specially reserved TCP port.
try:
import socket
s = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
## Create an abstract socket, by prefixing it with null.
s.bind( '\0postconnect_gateway_notify_lock')
except socket.error ...