大约有 200 项符合查询结果(耗时:0.0102秒) [XML]

https://bbs.tsingfun.com/thread-1548-1-1.html 

BLE通信数据不能超过20字节? - 创客硬件开发 - 清泛IT社区,为创新赋能!

有用户反馈,BLE好像有20字节(字符)限制,难道要破开多次传输?如果用专门的安卓调试软件就没问题,用AI2就截断了,只有20字符。 答复: 1-在 ESP32 代码中,我放置了这一行:BLEDevice::setMTU(192); 2- 在应用程序中,我将...
https://bbs.tsingfun.com/thread-1882-1-1.html 

cn.fun123.ClientSocketAI2Ext 中文网升级版 Socket客户端拓展,TCP通信拓...

最新版:https://www.fun123.cn/reference/ ... ctivity.html#Socket 已经加入发送二进制的接口。 原版: 报错后,App直接崩溃,没得选择,体验不好! AppInventor2中文网升级版: 连接出错后,使用对话框组件个性展示出错信...
https://www.tsingfun.com/it/cpp/1364.html 

windows下捕获dump之Google breakpad_client的理解 - C/C++ - 清泛网 - 专注C/C++及内核技术

...CrashGenerationServer类对象。客户进程和服务进程是通过管道通信的,通信可以只发生在客户进程初始化阶段,server进程要先于客户进程启动,否则客户进程就会因为管道连接不上而使用进程内dump捕获。 进程内、外dump捕获,都是...
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How do SO_REUSEADDR and SO_REUSEPORT differ?

...ouple of basics you should know before we look at these two options. A TCP/UDP connection is identified by a tuple of five values: {<protocol>, <src addr>, <src port>, <dest addr>, <dest port>} Any unique combination of these values identifies a connection. As a resul...
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Best TCP port number range for internal applications [closed]

...ranges here for anyone else who is interested. These are for both TCP and UDP where the number of ports in the range is at least 500. Total Start End 829 29170 29998 815 38866 39680 710 41798 42507 681 43442 44122 661 46337 46997 643 35358 36000 609 3686...
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Linux 网卡速率(百兆/千兆)的查看及调整 - 操作系统(内核) - 清泛网 - 专...

...到一个奇怪的问题,程序运行过程中网卡打满,导致服务通信全部超时,程序需要在局域网中的通信流量较大,机器是千兆网卡。但通过监控查看实际网速只到了100Mbps,通过查看网 最近遇到一个奇怪的问题,程序运行过程中...
https://bbs.tsingfun.com/thread-1368-1-1.html 

低功耗蓝牙(BLE) 和 经典蓝牙(SPP) 的区别 - App Inventor 2 中文网 - 清泛...

...能更合适。看连接距离需求:如果你需要在较远距离进行通信,经典蓝牙通常具备更广泛的连接范围。而如果通信是在相对较短的距离内进行,BLE可能是个更好的选择。 综上所述,BLE和SPP是两种不同的蓝牙通信协议,它们在功...
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How can I remove specific rules from iptables?

...y ACCEPT) num target prot opt source destination 1 ACCEPT udp -- anywhere anywhere udp dpt:domain 2 ACCEPT tcp -- anywhere anywhere tcp dpt:domain 3 ACCEPT udp -- anywhere anywhere udp dpt:bootps 4 ACCEPT ...
https://bbs.tsingfun.com/thread-1692-1-1.html 

BLE协议—广播和扫描 - 创客硬件开发 - 清泛IT社区,为创新赋能!

广播和扫描在无线通信中是非常重要的一个技术点。在BLE中,扫描和广播是通信的基础,用户可以直接用扫描和广播进行数据的传输(数据量不大,功耗要求较高的情况下),也可以在广播和扫描的基础上进行连接后点对点通信...
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What's the difference between streams and datagrams in network programming?

...IP even three seconds may be unacceptable! Using a datagram protocol like UDP allows the software to recover from such an event extremely quickly, by simply ignoring the lost data or re-requesting it sooner than TCP would. VoIP is a good candidate for simply ignoring the lost data -- one party wou...