大约有 1,100 项符合查询结果（耗时：0.0065秒） [XML]
In C#, how to check if a TCP port is available?
In C# to use a TcpClient or generally to connect to a socket how can I first check if a certain port is free on my machine?
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NGINX to reverse proxy websockets AND enable SSL (wss://)?
... Ops Programmers have solved the situation with a brand spanking new nginx_tcp_proxy_module
Written in August 2012, so if you are from the future you should do your homework.
Prerequisites
Assumes you are using CentOS:
Remove current instance of NGINX (suggest using dev server for this)
If possible...
How to test which port MySQL is running on and whether it can be connected to?
...ee a line that looks like this if mysql is indeed listening on that port.
tcp 0 0 127.0.0.1:3306 0.0.0.0:* LISTEN
Port 3306 is MySql's default port.
To connect, you just have to use whatever client you require, such as the basic mysql client.
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libcurl网络连接使用tcp/ip - C/C++ - 清泛网 - 专注C/C++及内核技术
libcurl网络连接使用tcp/iplibcurl网络连接使用tcp ip，部分代码如下：CURL *curl;CURLcode res;const char *request = "GETas.xxxxE测试发送"; curl_socket_t sockfd; * socket * ...部分代码如下：
CURL *curl;
CURLcode res;
const char *request = "GETas.xxxxE测试发送";
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Linux iptables防火墙开放mysql、apache的端口 - 操作系统(内核) - 清泛网 ...
...sql、apache的端口vi etc sysconfig iptables 修改配置，添加两条tcp端口允许的记录：[root@iZ23rlmiwviZ ~] cat etc sysconfig iptables sample configuration for iptables service vi /etc/sysconfig/iptables 修改配置，添加两条tcp端口允许的记录：
[root@iZ23rlmiwvi...
close vs shutdown socket?
...
Keep in mind, even if you close() a TCP socket, it won't necessarily be immediately reusable anyway, since it will be in a TIME_WAIT state while the OS makes sure there's no outstanding packets that might get confused as new information if you were to immediate...
WebSockets protocol vs HTTP
..., but from the logic to parse/handle/store those headers. In addition, the TCP connection setup latency is probably a bigger factor than the size or processing time for each request.
2) Why was it implemented instead of updating HTTP protocol?
There are efforts to re-engineer the HTTP protocol to ...
fstream默认不支持中文路径和输出整数带逗号的解决办法 - C/C++ - 清泛网 -...
...中文操作系统下，调用locale::global(std::locale(""))，将全局区域设置为中文，如下例：
#include <iostream>
#include <fstream>
#include <string>
#include <direct.h>
using namespace std;
void main()
{
locale::global(std::locale("")); //将全局区域设为...
linux 通过bind下搭建DNS Server - 更多技术 - 清泛网 - 专注C/C++及内核技术
...1.理论普及
DNS服务器分为:
master（主DNS服务器）：拥有区域数据的文件，并对整个区域数据进行管理。
slave(从服务器或叫辅助服务器）：拥有主DNS服力器的区域文件的副 本，辅助主DNS服务器对客户端进行解析，当主DNS服务器...
App Inventor 2开发计步器与定位器 - App Inventor 2 中文网 - 清泛IT论坛，有思想、有深度
...顶部设置显示步数、距离、计时、位置等关键信息的显示区域；
在显示区域下面，设置开始、停止、保存等按钮，用于启动程序的计步、计时功能；
在页面最底部设置历史信息的保存信息显示区域，用来保存历史数据，同时...