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构建高并发高可用的电商平台架构实践 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...应用场景非常多，比如系统的监控动态的实时曲线绘制，手机消息的推送，web实时聊天等。
实时推送有很多技术可以实现，有Comet方式，有websocket方式等。
Comet基于服务器长连接的“服务器推”技术，包含两种：
Long Polling：...
What is a correct mime type for docx, pptx etc?
...show.macroEnabled.12
.mdb application/vnd.ms-access
For further details check out this TechNet article and this blog post.
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地图组件（高德地图） · App Inventor 2 中文网
... 教育 入门必读 中文教程 IoT专题 AI2拓展 ChatGPT接入 Aia Store 开通VIP 搜索 地图组件（高德地图） ...
What are Aggregates and PODs and how/why are they special?
...icle is rather long. If you want to know about both aggregates and PODs (Plain Old Data) take time and read it. If you are interested just in aggregates, read only the first part. If you are interested only in PODs then you must first read the definition, implications, and examples of aggregates and...