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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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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 ...
How do I debug error ECONNRESET in Node.js?
...eady: it's a connection error.
"ECONNRESET" means the other side of the TCP conversation abruptly closed its end of the connection. This is most probably due to one or more application protocol errors. You could look at the API server logs to see if it complains about something.
But since you ar...
Can't stop rails server
...r.pid)
In your terminal to find out the PID of the process:
$ lsof -wni tcp:3000
Then, use the number in the PID column to kill the process:
For example:
$ kill -9 PID
And some of the other answers i found is:
To stop the rails server while it's running, press:
CTRL-C
CTRL-Z
You will ge...