大约有 1,010 项符合查询结果(耗时:0.0161秒) [XML]

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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://www.tsingfun.com/ilife/tech/251.html 

马云、王健林为什么都看中了上海? - 资讯 - 清泛网 - 专注C/C++及内核技术

...院正式批准设立上海自由贸易试验区,企业可以通过这片区域对外做买卖,而政府对自贸区的买卖活动不过多插手干预,同时还减免外来货物的关税。这无疑给国际企业落户上海增加了更多理由。 上海很好,但为什么香港和...
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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...
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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...
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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...
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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/1459.html 

ListCtrl 重绘(Custom Draw) - C/C++ - 清泛网 - 专注C/C++及内核技术

... clrTextBk的颜色只是针对每一列,在最后一列的右边那个区域颜色也还是和ListCtrl控件的背景颜色一致。 l 当我重新看文档的时候,我注意到有一篇题目是“NM_CUSTOMDRAW (list view)”的文章,它说你可以在最开始的custom draw消...
https://www.tsingfun.com/it/tech/751.html 

二维码的生成细节及原理 - 更多技术 - 清泛网 - 专注C/C++及内核技术

... Version Information 在 >= Version 7以上,需要预留两块3 x 6的区域存放一些版本信息。 数据码和纠错码 除了上述的那些地方,剩下的地方存放 Data Code 数据码 和 Error Correction Code 纠错码。 数据编码 我们先来说说数据编码。QR...
https://bbs.tsingfun.com/thread-1442-1-1.html 

【App Inventor 2 数据可视化】使用柱状图和饼图收集数据 - App应用开发 - ...

...!拖拽一个to procedure do代码块,并将其放入代码中的空白区域。此过程将“执行”更新图表的所有操作。 将过程命名为“updateCharts” 10. 添加代码来更新柱状图(<font class="text-color-131" color="#ffc107">新技能</...
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App Inventor 2 UrsAI2UDP 拓展 - UDP广播通信协议 · App Inventor 2 中文网

...向 LAN 中的设备发送数据是可行的,而反过来则不行。 TCP 也是如此。如果智能手机仅连接到蜂窝网络,则只能从智能手机建立连接。LAN 中的设备必须充当服务器,等待传入的连接请求。智能手机充当客户端,即它发起连接。建...