socket是进程通信的一种方式,通过调用一些API可以实现进程间通信,建立连接以及收发信息的过程如下图所示: 这些函数的用法如下: 1.int socket(int protocolFamily, int type, int protocol); 返回描述符sockfd l protocolFamily:协议族,AF_INET(IPV4).AF_INET6(IPV6).AF_LOCAL(或称AF_UNIX,unix域socket).AF_ROUTE等.协议族决定了socket的地址类型,在通
通过本地yum源安装软件报错 http://192.168.3.85/centos/6/os/x86_64/Packages/php-pdo-5.3.3-47.el6.x86_64.rpm: [Errno 14] PYCURL ERROR 56 - "Failure when receiving data from the peer" Trying other mirror. 发现是/etc/yum.conf的proxy打开了,关闭即可
http://people.centos.org/hughesjr/chromium/6/x86_64/repodata/repomd.xml: [Errno 14] PYCURL ERROR 22 - "The requested URL returned error: 404 Not Found"Trying other mirror.Error: Cannot retrieve repository metadata (repomd.xml) for repository: ch
原文:php调用webservice报错Class 'SoapClient' not found php在调用webservice时,报告如下类似错误: ( ! ) Fatal error: Class 'SoapClient' not found in E:/WebSrv/CI/system/libraries/WebService.php on line 17 解决方法: 打开php.ini,找到php_soap.dll , 把前面的分号去掉 ;extension=php_soap.dll
原子线程调用Toast报Can't create handler inside thread that has not called Looper.prepare() 错误 今天用子线程调Toast报了一个Can't create handler inside thread that has not calledLooper.prepare()错误. 因为toast的实现需要在activity的主线程才能正常工作,所以传统的非主线程不能使toast显示在actvity上,通过Handler可以使
Quartz框架调用——运行报错:ThreadPool class not specified 问题是在于Quartz框架在加载的时候找不到quartz.properties配置文件: 解决方案一: Quartz.properties该文件必须放到src目录下,只有在该目录下,该文件才能被找到,其他的目录下找不到!!! 解决方案二: 定时任务时间设置的properties文件不定义为quartz.properties,定义成其他文件名:例如:命名为 pub.properties:
今天是要yum命令安装EPEL仓库后 yum install epel-release 突然发现yum安装其他的软件出错. 错误:[Errno 14] problem making ssl connection Trying other mirror.Trying other mirrorError: Cannot retrieve repository metadata (repomd.xml) for repository: xxxx. Please verify its path and
Unity 3D:5.2 version TerrainCompose:1.92 version RTP:3.2d version Unity 3D 使用TerrainCompose 调用RTP 报错: Can't access alphamapTexture directly...UnityEngine.Debug:LogError(Object)ReliefTerrain:GetControlMaps() (at Assets/ReliefPack/Scripts/ReliefTerrai