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https://www.fun123.cn/reference/iot/MQTTGuide.html 

App Inventor 2 MQTT拓展入门(保姆级教程) · App Inventor 2 中文网

...里以 bemfa.com 为例,账号注册请自行完成,如果看到的是TCP云,请切换到MQTT云: 输入名称(例如:APPMQTT),新建一个订阅主题: MQTT客户端测试工具,下载地址:https://mqttx.app/zh/downloads 启动MQTTX客户...
https://bbs.tsingfun.com/thread-2352-1-1.html 

Mind+ 掌控板、ESP32开发板等硬件如何接入AppInventor? - 创客硬件开发 - ...

...用 蓝牙客户端 组件。Mind+ 参考代码如下: 2、WIFI(TCP服务器),使用ClientSocketAI2Ext 拓展。
https://bbs.tsingfun.com/thread-2438-1-1.html 

Modbus硬件控制01——什么是Modbus - 创客硬件开发 - 清泛IT社区,为创新赋能!

...bus内容是什么?大致分为以下几种:Modbus-RTUModbus-ASCIIModbus-TCP 以上三种协议,一个设备只会有一种协议,如果你的设备使用的是Modbus-RTU,只需查看以下对应部分,一般来说大部分的设备都是Modbus-RTU协议的。4.通讯过程4.通讯过程M...
https://bbs.tsingfun.com/thread-2523-1-1.html 

app 息屏后连接会断开,需要深入研究一下 - 用户反馈 - 清泛IT社区,为创新赋能!

如题,tcp,蓝牙,mqtt 等连接都会断开。 有办法避免吗? 重连策略有效解决吗?
https://www.tsingfun.com/ilife/tech/2256.html 

全食超市(Whole Foods Market)——精品超市的运营之道 - 资讯 - 清泛网 -...

...沃尔玛、好市多等主打性价比和Pavilions、Ralphs等更高端的区域有机食品零售商的双重挤压,全食超市自2016年以来业绩有所下滑。但复盘其过往30多年突围发展史,依然对处于发展初期的国内高端精品超市有着极大的参考意义。 ...
https://stackoverflow.com/ques... 

When to use actors instead of messaging solutions such as WebSphere MQ or Tibco Rendezvous?

... Akka-Camel would be a better example than ZeroMQ - ZeroMQ is a direct tcp to tcp communication (hence zero - there is no message queue). With AkkaCamel you can abstract away the queue and produce/consume messages direct from an actor without any code to deal with the message queue message push...
https://stackoverflow.com/ques... 

How to stop and restart memcached server?

... is currently runing: sudo ps -e | grep memcached And you can check the TCP or UDP ports if something (e.g. Memcache) is listening to it: netstat -ap | grep TheChosenPort# netstat -ap | grep 11211 For some Linuxes you need to change your commands like: sudo /etc/init.d/memcached start sudo /e...
https://stackoverflow.com/ques... 

How do I do a HTTP GET in Java? [duplicate]

... Technically you could do it with a straight TCP socket. I wouldn't recommend it however. I would highly recommend you use Apache HttpClient instead. In its simplest form: GetMethod get = new GetMethod("http://httpcomponents.apache.org"); // execute method and handle a...
https://stackoverflow.com/ques... 

What browsers support HTML5 WebSocket API?

... Node.js) Understands multiple network protocols out of the box including: TCP, SSL, UDP, HTTP, HTTPS, Websockets, SockJS as fallback for WebSockets Pusher.com is a Websocket cloud service accessible through a REST API. DotCloud cloud platform supports Websockets, and Java (Jetty Servlet Containe...
https://www.tsingfun.com/it/cpp/656.html 

Win32汇编--使用MASM - C/C++ - 清泛网 - 专注C/C++及内核技术

...如下所示: 子程序名 proc [距离] [语言类型] [可视区域] [USES寄存器列表] [,参数:类型]…[VARARG] local 局部变量列表 指令 子程序名 endp proc和endp伪指令定义了子程序开...