大约有 11,000 项符合查询结果(耗时:0.0218秒) [XML]

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MQTT 打包后,运行退后台在返回,mqtt连接掉线问题 - App应用开发 - 清泛...

打包后的APP安装手机上,刚开始打开软件的时候,连接成功,屏幕退后台在反回app界面的时候,显示MQTT未连接(联网失败) 请帮忙解决一下这个是需要进行状态管理,当状态变成连接失败时,需要进行一次重新连接:将连...
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我使用MQTT扩展控制主板,在AI伴侣里面运行的很好,在导出apk里面没有反应...

...描述,谢谢怎么上传源码mind+发送端发送命令MQTT平台接受之后,需要将命令通过蓝牙传给主控板,主控板根据命令控制灯的颜色。 没反应的现象就是mind+发送命令之后MQTT物联平台可以收,主控板灯不变色13582001974 发表于 202...
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如何把用户设定的数字,发送mqtt中? - App Inventor 2 中文网 - 清泛IT...

如图,请问,如何把用户输入的数字,发送mqtt服务器?Message 后面的代码块改为:文本输入框1.文本还是不行baiheren 发表于 2025-03-24 17:07 还是不行 具体的表现是? 有具体的报错信息吗?
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Reserved keywords in JavaScript

... Joseph, thanks for adding that info. I found that PDF in google, but didn't have time to open and read it all. – benc Oct 3 '08 at 17:10 ...
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What are the minimum margins most printers can handle?

Im creating pdfs server side with lots of graphics so maximizing real estate is a must but at the same time ensuring users printers can handle the tight margins is a must. ...
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Remove header and footer from window.print()

...gain. If you need support for a browser that can't hable, you can create a PDF on the fly and print that (you can create a self-printing PDF embedding JavaScript on it), but that's a huge hassle. share | ...
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How to print third column to last column?

...ocker.dmg Feb 09:04 Grammarly.dmg Feb 09:20 Payslip 10459 %2828-02-2018%29.pdf It will print: 20180301_123131.jpg 20180301_124304.jpg 20180301_124358.jpg Cisco_WebEx_Add-On.dmg Docker.dmg Grammarly.dmg Payslip 10459 %2828-02-2018%29.pdf As we can see, the payslip even with space, shows in the c...
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海量数据相似度计算之simhash短文本查找 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术

...之simhash和海明距离》 介绍了simhash的原理,大家应该感觉了算法的魅力。但是随着业务的增长 simh 在前一篇文章 《海量数据相似度计算之simhash和海明距离》 介绍了simhash的原理,大家应该感觉了算法的魅力。但是随着业务...
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Cluster analysis in R: determine the optimal number of clusters

...v18/i06/paper # http://www.stat.washington.edu/research/reports/2006/tr504.pdf # library(mclust) # Run the function to see how many clusters # it finds to be optimal, set it to search for # at least 1 model and up 20. d_clust <- Mclust(as.matrix(d), G=1:20) m.best <- dim(d_clust$z)[2] cat("mod...
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C++中智能指针的设计和使用 - C/C++ - 清泛网 - 专注C/C++及内核技术

...因为指针指向的对象的复制不一定是必要的。 (3) 第三种就是一种折中的方式。利用一个辅助类来管理指针的复制。原来的类中有一个指针指向辅助类,辅助类的数据成员是一个计数器和一个指针(指向原来的)(此为本...