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App Inventor 2 UrsPahoMqttClient 拓展 - 物联网轻量级MQTT协议 · App Inventor 2 中文网
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MQTT 发明于 1999 年，为物联网设计的轻量级协议，基于TCP协议实现。
MQTT 协议文档：https://mqtt.org/
虽然 App Inventor 有现成的 MQTT 扩展，但它们需要额外的 JavaScript 或外部配置文件。此处介绍的 MQTT 客户端组件完全独...
关于php的socket初探 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...意义上的说明，都是将socket称作"套接字"，也就是对底层tcp/ip的一种封装，所以要想真正理解socket的原理，就得去深入理解tcp/ip实现网络通信的机制，这属于计算机网络这块的东西，与实际的编程没有太大的关联，这里就不深入...
How does libuv compare to Boost/ASIO?
... async-only Asio
SSL: no Asio
TCP: async-only Asio
UDP: async-only Asio
Signal:
Handling: yes Asio
Sending: yes no
IPC:
UNIX Domain Sockets: yes ...
How to write a scalable Tcp/Ip based server
...the design phase of writing a new Windows Service application that accepts TCP/IP connections for long running connections (i.e. this is not like HTTP where there are many short connections, but rather a client connects and stays connected for hours or days or even weeks).
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How to fix java.net.SocketException: Broken pipe?
...hile I was developing a simple Java application that listens on a specific TCP. Usually, I had no problem, but when I run some stress test I noticed that some connection broke with error socket write exception.
After Investigation I found a solution that solves my problem. I know this question is q...
Streaming via RTSP or RTP in HTML5
...o over HTTP and only use protocol like RTP? It would be terribly slow over TCP..
– markmnl
Sep 2 '15 at 5:58
7
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Netty vs Apache MINA
...me functionality. Which one should I choose to develop my high-performance TCP server? What are the pros & cons?
7 Answers
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浅谈APM在电子交易系统中的应用 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...装在应用服务器的代理，从IT环境选定的几个点（包括局域网、广域网和任何相关数据库）获取性能指标样本，以确定哪里的传 统应用出现了问题。
虽然从其优势来看，基于网络的APM仍然有限，因为它通常用于查看应用在网络...
Postfix发信的频率控制几个参数 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...提出投递要求。下面我们看一个例子：
有一个小型的局域网，用户都将邮件发送给局域网内部的一台postfix
邮件服务器，然后通过在该服务器上拨号将邮件发送出去。这时我们可以这样指定该参数的值：
defer_transports = smtp
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Opening port 80 EC2 Amazon web services [closed]
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Use the IP address rather than the DNS entry.
Create a security group for tcp ports 1 to 65000 and for source 0.0.0.0/0. It's obviously not to be used for production purposes, but it will help avoid the Security Groups as a source of problems.
Check that you can actually ping your server. This may ...