大约有 2,200 项符合查询结果（耗时：0.0264秒） [XML]
How do I find where an exception was thrown in C++?
...ntext;
// Get the address at the time the signal was raised from the EIP (x86)
void * caller_address = (void *) uc->uc_mcontext.eip;
std::cerr << "signal " << sig_num
<< " (" << strsignal(sig_num) << "), address is "
&l...
婚庆O2O：领跑的企业也就只走到B轮 - 资讯 - 清泛网 - 专注C/C++及内核技术
...2000万。每年因婚礼当日而产生的消费接近3000 亿元，数据显示。婚庆这个市场，规模高达8000亿。由于客单价高，婚庆被打上了暴利的标签，直接吸引了众多投资者扎堆进入。
2014年是婚庆服务爆发年，仅一年就有27家公司成立，...
httpd: Could not reliably determine the server's fully qualified domain name, using 127.0.0.1 for Se
...m
Choose an FQDN and include it both in your /etc/hosts file on both the IPv4 and IPv6 addresses you are using (in your case, localhost or 127.0.0.1), and change your ServerName in your httpd configuration to match.
/etc/hosts:
127.0.0.1 localhost.localdomain localhost host.server4-245.com
::...
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...
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...
iOS开发调试技巧总结 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...，如果此时把动画放在viewDidLoad中，可能会造成动画无法显示。当然也不建议把耗时的网络请求和动画效果都放在viewDidLoad中，界面的阻塞也会造成动画无法显示。可以尝试把动画放在viewDidAppear,viewWillAppear方法中。对于这类涉及U...
Best practices when running Node.js with port 80 (Ubuntu / Linode) [closed]
...cloud instances is I redirect port 80 to port 3000 with this command:
sudo iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-port 3000
Then I launch my Node.js on port 3000. Requests to port 80 will get mapped to port 3000.
You should also edit your /etc/rc.local file and add...