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mqtt协议加密连接,仅ca证书如何配置? - App Inventor 2 中文网 - 清泛IT...

mqtt协议加密连接,仅ca证书如何配置?
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BLE(四)嗅探工具 - 创客硬件开发 - 清泛IT社区,为创新赋能!

...40F128 / F256,分别为128和256 KB的闪存,结合TI的低功耗蓝牙协议栈,CC2540F128 / F256形成了市场上最灵活,性价比也最高的单模式蓝牙BLE解决方案。 CC2540 USB Dongle的实物图如下,它可以配合TI的PacketSniffer软件实现对BLE无线抓包: 实...
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Supabase扩展能实现实时推送吗?源码级Realtime能力分析 - App应用开发 - ...

...键:三种功能都依赖 WebSocket 长连接(基于 Phoenix Channels 协议),不是 HTTP 请求-响应模式。 二、当前 Supabase 扩展源码分析 扩展包含 4 个子组件: 组件网络实现API 模式SupabaseAuthHttpURLConnection认证 REST APISupabasePgSQLHttpURLConn...
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How can I access the MySQL command line with XAMPP for Windows?

...r default to, in order of preference, my.cnf, $MYSQL_TCP_PORT, /etc/services, built-in default (3306). --progress-reports Get progress reports for long running commands (like ALTER TABLE) (Defaults to on; use ...
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How do you determine the ideal buffer size when using FileInputStream?

...For example, your adsl maybe preffer a buffer of 1454 bytes, thats because TCP/IP's payload. For disks, you may use a value that match your disk's block size. share | improve this answer | ...
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MySQL一次主从数据不一致的问题解决过程 - 数据库(内核) - 清泛网 - 专注C/...

...2215 作者orangleliu 采用署名-非商业性使用-相同方式共享协议 MySQL 主从 数据一致性
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windows C++ gbk转为utf-8 - C/C++ - 清泛网 - 专注C/C++及内核技术

windows C++ gbk转为utf-8在windows与linux系统通过socket的传输数据里,如果传输中文字符,因为windows和linux使用的编码不同,所以需要将windows下的中文编码转换为 在windows与linux系统通过socket的传输数据里,如果传输中文字符,因为windo...
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What is a “callback” in C and how are they implemented?

...ack is invoked. In the following program we create a socket to listen for TCP connection requests and when a request is received, the function doing the listening then invokes the callback function provided. This simple application can be exercised by running it in one window while using the telnet...
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MQTT物联网协议完全实践指南 · App Inventor 2 中文网

... 搜索 MQTT物联网协议完全实践指南 下载资源 MQTT协议深度解析 1. 协议架构与通信模式 2. 消息质量等级(QoS)详解 3. 主题设计与最佳实践...
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MySQL show current connection info

...ver (GPL) Protocol version: 10 Connection: localhost via TCP/IP Server characterset: latin1 Db characterset: latin1 Client characterset: gbk Conn. characterset: gbk TCP port: 3306 Uptime: 7 min 16 sec Threads: 1 Questions: 21 Slow q...