大约有 5,000 项符合查询结果(耗时:0.0089秒) [XML]

https://bbs.tsingfun.com/thread-2055-1-1.html 

【待研究】BlueToothLE AutoReconnect 自动重连开启后,后台运行的App激活...

...tWithAddress 进行重新连接。 这个属性设置为“真”后,在ble非主动断开连接时会自动重连。那么,App后台运行并激活后,是否会自动重连呢?待测试验证一下~~
https://bbs.tsingfun.com/thread-2821-1-1.html 

Teachable Machine Model 利用手机摄像头进行图像分类识别 - App Inventor ...

中文版已整理:https://www.fun123.cn/reference/ ... achableMachine.html 来源: https://community.appinventor.mi ... ble-machine/64411/5 https://mit-cml.github.io/extensions/
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Is it safe to push_back an element from the same vector?

...ered Sep 13 '13 at 14:51 Johan RådeJohan Råde 17.7k1919 gold badges5959 silver badges103103 bronze badges ...
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Remove all special characters from a string in R?

...hich will remove accents, but will keep the letters. astr <- "Ábcdêãçoàúü" iconv(astr, from = 'UTF-8', to = 'ASCII//TRANSLIT') which results in [1] "Abcdeacoauu" share | improve this...
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Regex to match a digit two or four times

...e -- but apparently the asker didn't...). – Jean-François Corbett Apr 30 at 11:24 2 ...
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Array slicing in Ruby: explanation for illogical behaviour (taken from Rubykoans.com)

...jp/cgi-bin/scat.rb/ruby/ruby-talk/380637 – Matt Briançon Aug 16 '11 at 16:17 4 Correct explanati...
https://bbs.tsingfun.com/thread-2140-1-1.html 

Service and Characteristic are not published by the connected device -...

Service and Characteristic are not published by the connected device,报错如下: 问题原因:硬件/蓝牙芯片问题导致的,比如A硬件测试好的,换了B硬件没有修改uuid,就出现这个报错。 由于B硬件没有发布这些特征,就会报这个错误。
https://bbs.tsingfun.com/thread-2149-1-1.html 

GoPrint aia源码 UI界面现代、代码不复杂,参考性强 - .aia 案例源码 - 清...

屏幕数量:6个,UI界面现代、代码不复杂,参考性强。 需要连接蓝牙硬件进行通信,具体逻辑请自行研究。
https://bbs.tsingfun.com/thread-2523-1-1.html 

app 息屏后连接会断开,需要深入研究一下 - 用户反馈 - 清泛IT社区,为创新赋能!

如题,tcp,蓝牙,mqtt 等连接都会断开。 有办法避免吗? 重连策略有效解决吗?
https://bbs.tsingfun.com/thread-2554-1-1.html 

“虚拟”屏幕demo演示,一屏幕展示多屏内容,模拟切换屏幕 - App应用开发 -...

这样做的好处:大部分需要连接的组件(比如蓝牙客户端、MQTT、BluetoothLE、Wifi、Socket等)如果跨屏幕的话,都需要重新连接,自行管理连接状态,非常不便利,且大部分场景并不是真正的需要多个屏幕才能实现,多个屏幕切换...