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MQTT与TCP的区别 - 创客硬件开发 - 清泛IT社区，为创新赋能！
...机制，通知相应topic的订阅者客户端已经离线了。7. 正如https之于http，mqtts支持TLS安全，保证数据传输过程的安全性。8. mqtt协议轻巧、简单，容易实现，mqtt客户端哪怕在单片机中也可以运行。这一点在物联网应用中挺重要的，因...
Developing cross platform mobile application [closed]
...ers some of the technical limitations of cross-platfrom tools but let me expand a bit:
I think that cross-platform tools have historically always been also-rans because such tools have the wrong philosophical focus.
All the selling points for cross-plaform tools are the benefits they bring to dev...
Dealing with nginx 400 “The plain HTTP request was sent to HTTPS port” error
...p behind passenger/nginx. I'm trying to get it to respond to both http and https calls. The problem is, when both are defined in the server block https calls are responded to normally but http yields a 400 "The plain HTTP request was sent to HTTPS port" error. This is for a static page so I'm guessi...
AppInventor2中文网 + AI助手，用自然语言开发AppInventor应用 · App Inventor 2 中文网
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AI助手
AppInventor2中文网（https://www.fun123.cn）已上线全球独家功能：AI助手！
只需用自然语言描述你想要的功能，AI 就能自动帮你：添加界面组件、设置属性、生成逻辑代码块、分析整个项目结构...
Base64Util 拓展：支持图像框、画布、文件、文本字符串、图像精灵base64编...
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版权信息
原作者：Kevinkun
原始网址：https://wangsk789.github.io/base64util/
开源致谢：基于 @TIMAI2 的开源代码
您的改进建议 联系方式： 不需要回复的可留空~ 意见反...
Pulse Secure解决方案 - 更多技术 - 清泛网 - 专注C/C++及内核技术
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Pulse Secure：
了解更多请至英文官网：https://www.pulsesecure.net/
Pulse Secure,解决方案
Compression/Decompression string with C#
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@Pan.student I've checked and it seems to work with a gz file I produced. There is the possibility the file isn't really a gz file. Note that a gz file is not a rar file and is not a zip file and is not a bz2 file. They are al...
多媒体组件 · App Inventor 2 中文网
... 语言标签 指定语言带有可选的区域后缀，例如 en 或 zh-CN，支持的语言集因设备而异。
结果
返回识别器生成的最后一个文本。
使用兼容模式
如果为真，则使用单独的对话框来识别语音（默认）；如果为假，则语音在后...
云数据及Firebase组件简介 · App Inventor 2 中文网
...ction() { var hm = document.createElement("script"); hm.src = "https://hm.baidu.com/hm.js?8d287b854d737bdc880e8ddeac1b309d"; var s = document.getElementsByTagName("script")[0]; s.parentNode.insertBefore(hm, s); })();
云数据...
Extract hostname name from string
...tp://www.youtube.com/watch?v=ClkQA2Lb_iE"));
console.log(extractHostname("https://www.youtube.com/watch?v=ClkQA2Lb_iE"));
console.log(extractHostname("www.youtube.com/watch?v=ClkQA2Lb_iE"));
console.log(extractHostname("ftps://ftp.websitename.com/dir/file.txt"));
console.log(extractHostname("web...