大约有 840 项符合查询结果(耗时:0.0156秒) [XML]

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What ports does RabbitMQ use?

...s without and with TLS (only if the STOMP plugin is enabled) 1883, 8883: (MQTT clients without and with TLS, if the MQTT plugin is enabled 15674: STOMP-over-WebSockets clients (only if the Web STOMP plugin is enabled) 15675: MQTT-over-WebSockets clients (only if the Web MQTT plugin is enabled) R...
https://bbs.tsingfun.com/thread-1555-1-1.html 

App Inventor 2 如何开发掌控版做互联网通讯App? - App Inventor 2 中文网...

...这个是需要再安装插件还是怎么弄? 答复: [hide]使用MQTT拓展,下载地址:https://www.fun123.cn/reference/components/connectivity.html#Mqtt 参考IoT专题的最后一篇文章:https://blog.csdn.net/INT_TANG/article/details/128210609 [/hide]
https://bbs.tsingfun.com/thread-1969-1-1.html 

- App Inventor 2 中文网 - 清泛IT社区,为创新赋能!

...消息体大小的限制,文档中没有描述这个限制,但是每个MQTT平台应该是有限制的,经过实际测试befa.com平台,base64文本大小约100KB以内的消息订阅可以正常接收,超过则无法接收。建议你自己的平台也进行一下测试,如果有限制...
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How does facebook, gmail send the real time notification?

... Facebook uses MQTT instead of HTTP. Push is better than polling. Through HTTP we need to poll the server continuously but via MQTT server pushes the message to clients. Comparision between MQTT and HTTP: http://www.youtube.com/watch?v=-K...
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JMS and AMQP - RabbitMQ

...API. For ex: Apache ActiveMQ can use any of the following protocols: AMQP, MQTT, OpenWire, REST(HTTP), RSS and Atom, Stomp, WSIF, WS Notification, XMPP. I suggest you read Using JMS Transport as the Connection Protocol. Good Luck :) ...
https://bbs.tsingfun.com/thread-1276-1-1.html 

App Inventor 2 解决一个编译报错DX failed - App Inventor 2 中文网 - 清...

...ava.lang.IllegalArgumentException: already added: Lorg/eclipse/paho/client/mqttv3/BufferedMessage;      [java] Uncaught translation error: java.lang.IllegalArgumentException: already added: Lorg/eclipse/paho/client/mqttv3/DisconnectedBufferOptions;      [jav...
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App Inventor 2 中文网 · 升级日志

...能;部分文档翻译,新增 FileTools、 SimpleBase64、 MQTT、 ClientSocket 拓展文档及翻译。 230516 2023/05/16 优化 启用HSTS(HTTP Strict Transport Security)安全机制。 升级 启用 h2(HTTP 2.0)协议。 ...
https://bbs.tsingfun.com/thread-1494-1-1.html 

App inventor 如何过去阿里云传来的数据 - App Inventor 2 中文网 - 清泛IT...

...受到数据,但是不知道怎样解析数据这种场景一般是采用mqtt协议通信。不过既然你的app可以接收到数据,那通信就是没有问题了,剩余的数据解析应该不难。 请提供一下数据的格式,以及你想要如何解析它!
https://bbs.tsingfun.com/thread-1819-1-1.html 

怎么在订阅发布主体内以16位数据发送 modbus 报文 - App Inventor 2 拓展 -...

怎么在MQTT 中 在订阅中发送16位数据参考代码如下: App Inventor 2  发表于 2024-07-12 18:22 参考代码如下: 你好,按照你给的例子,修改了以后点击发送出现错误,请给解答一下 15898807301 发表于 2024-07-13 18:13 你好,按照...
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AppInventor2中的二进制数据以什么样的形式传递?字节列表、字节数组是什么...

...们可以作为扩展之间的通用 Object 类型变量进行交换。 MQTT拓展中的字节数组的处理方式就是这种,直接转换成byte[]: @SimpleFunction(description = "Publishes a binary array.")     public void PublishByteArray(String Topic, Object ByteArray...