大约有 800 项符合查询结果(耗时:0.0152秒) [XML]

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DendritasMqtt 拓展:用于 websocket 的Mqtt扩展 - App Inventor 2 拓展 - ...

...ritasMqtt 拓展:用于 websocket 的Mqtt扩展,附件可下载。MQTT TCP 拓展:提供MQTT服务的拓展,收费的,感觉没啥用,了解下即可,附件有稍旧的免费版本。这个拓展感觉应该是原始版本,支持原生的TCP协议,用最新版本即可:https://ww...
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云数据及Firebase组件简介 · App Inventor 2 中文网

...事件称为 FirebaseError,它让 Web 服务报告错误,这通常是通信问题的结果: ShareValue:一个带有云数据的简单App ShareValue 是一个使用 FirebaseDB 组件的简单应用程序。 它允许安装该应用程序的任何人设置共享云值并查看该值何时...
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App Inventor 2 中文网 · 项目指南

...局域网内,原理是电脑端启动WEB服务器,手机AI伴侣与WEB通信;电脑连手机热点,也是OK的。      扫码关注网页底部公众号,观看置顶视频,AI伴侣的各种测试方式均有讲解。 ...
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What is the difference between active and passive FTP?

...ent and server, the command and data channels, which are actually separate TCP connections. The command channel is for commands and responses while the data channel is for actually transferring files. This separation of command information and data into separate channels a nifty way of being able ...
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How to open a web server port on EC2 instance

...ly clear to me from the linked instructions, but you should select "Custom TCP". Otherwise you won't be able to change the port. – KKOrange Dec 12 '19 at 1:39 add a comment ...
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从网购到火车票,对比淘宝12306网为何如此烂? - 大数据 & AI - 清泛网 - ...

...使用缓存(Tair);三应用拆分(HSF);四数据库拆分(TDDL);五异步通信(Notify);六非结构化数据存储(TFS,NOSQL);七监控、预警系统;八配置统一管理。(摘自:《淘宝网采用什么技术架构来实现网站高负载的》) 2. 12306网站被人诟病 淘...
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What is the difference between ports 465 and 587?

...ice Name and Transport Protocol Port Number Registry “Revoking the smtps TCP port” - Email from Internet Mail Consortium director Paul Hoffman, 12 Nov 1998. RFC 6409 - Message Submission for Mail RFC 5321 - Simple Mail Transfer Protocol RFC 3207 - SMTP Service Extension for Secure SMTP over Tran...
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Redis - Connect to Remote Server

... Action From -- ------ ---- ... 6379/tcp ALLOW Anywhere 6379/tcp (v6) ALLOW Anywhere (v6) ... # To open the port $ sudo ufw allow 6379/tcp Restart Redis service Do not forget to restart the Redis service for changes...
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What port is a given program using? [closed]

...need more functionality than netstat provides, vasac suggests that you try TCPView. share | improve this answer | follow | ...
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程序员之网络安全系列(五):数字证书以及12306的证书问题 - 更多技术 - ...

...zon.com的公钥A, 然后我们就可以用这个公钥A和amazon.com进行通信,因为只有amazon.com 有私钥B, 所以只有amazon.com才能解开信息。 注意 权威机构的证书都是内置在操作系统里的。 由此可见,一个证书受不受信任,那就要看你要不...