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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！
...况下，有LWT遗嘱机制，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...
京东618：算法让UV价值提升200%+，用智能卖场缩短购物路径 - 更多技术 - 清...
...，但实时的挑战和投入需求都很大，如何决定实时推荐和离线推荐的使用？
智能卖场团队：实际上我们目前已经很好地支持了实时推荐，并且经历过多次618和双11的考验。例如PC首页的猜你喜欢、APP首页的为你推荐等模块，都应...
Eclipse RCP Plug-in开发自学教程（Eclipse3.6） - 文档下载 - 清泛网 - ...
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3 ACTIONS的用法（菜单栏和工具栏） ............................................................................................22
3.1 概述 ............................................................................................................
SSMS插件开发指南 - C/C++ - 清泛网 - 专注C/C++及内核技术
...SMS对话框、SQL执行的事件、结果Grid数据的获取。
需求：工具栏添加一个菜单，点击菜单弹出对话框，点“Execute SQL”后弹出测试消息框，显示结果Grid第一个单元格的内容。
基础代码请自行使用VS2012完成，包括添加一个用户...
The current branch is not configured for pull No value for key branch.master.merge found in configur
...ing through to the local git repo.
I am also supporting some people in my office who are using Flex and the Flexbuilder editor which is built on top of eclipse and egit. These instructions are equally relevant to them.
sha...
Visual Studio 64 bit?
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His arguments make little sense. Even if the new XML office formats are free of portability issues, Office64bit will still have to support old doc/xls files. I hope. On the other hand I completely agree with him: 90% of apps do not need to be ported to 64bit. Unfortunately t...
Virtual Serial Port for Linux
...ms unstable. I don't know for sure but I think it crashed a machine in the office I was working on from home. I can't check until I'm back in the office on monday.
The second thing is that TIOCMIWAIT does not work. The code seems to be copied from some "tiny tty" example code. The handling of TIOCM...
Generating CSV file for Excel, how to have a newline inside a value
...xmlns:v="urn:schemas-microsoft-com:vml"
xmlns:o="urn:schemas-microsoft-com:office:office"
xmlns:x="urn:schemas-microsoft-com:office:excel"
xmlns="http://www.w3.org/TR/REC-html40">
<head>
<style>
<!--
br {mso-data-placement:same-cell;}
-->
</style&g...
How do I convert an interval into a number of hours with postgres?
...xtracting epoch implicitly assumes that one month = 30 days and one year = 365.25 days.
– Teddy
Jul 26 '17 at 8:58
@Te...
Shortcut to Apply a Formula to an Entire Column in Excel [closed]
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Works perfectly in LibreOffice Calc as well, +1.
– Jonah
Feb 26 '13 at 19:13
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