大约有 46,000 项符合查询结果(耗时:0.0755秒) [XML]

https://bbs.tsingfun.com/thread-2230-1-1.html 

解决 Error 503: The specified address is not a valid Bluetooth MAC add...

...列表可能显示不对。大概率是经典蓝牙和 ble 低功耗蓝牙设备列表处理方式不对。 本例中就是经典蓝牙,但是用 ble 方式显示导致问题。
https://bbs.tsingfun.com/thread-2380-1-1.html 

micro:bit 连接报错 - 创客硬件开发 - 清泛IT社区,为创新赋能!

连接micro:bit设备时候,找到对应mrico:bit地址了,在连上一瞬间后直接闪退,并且报错了。 运行故障 java.lang.ExceptionInInitializerError at edu.mit.appinventor.ble.BluetoothLEint$BLEReadOperation.subscribeBluetoothLEint.java:357) at edu.mit.appinventor....
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 -...

这样做好处:大部分需要连接组件(比如蓝牙客户端、MQTT、BluetoothLE、Wifi、Socket等)如果跨屏幕话,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需要多个屏幕才能实现,多个屏幕切换...
https://bbs.tsingfun.com/thread-2675-1-1.html 

下拉框扩展 - App应用开发 - 清泛IT社区,为创新赋能!

软件自带下拉框,太简单了,想请问下,有没有相应扩展,可以方便修改下拉框颜色,字体,外形这些?
https://stackoverflow.com/ques... 

Fastest sort of fixed length 6 int array

... Paul RPaul R 191k2727 gold badges333333 silver badges506506 bronze badges ...
https://stackoverflow.com/ques... 

Android list view inside a scroll view

...tViewHeightBasedOnChildren(ListView listView) { // 获取ListView对应Adapter ListAdapter listAdapter = listView.getAdapter(); if (listAdapter == null) { return; } int totalHeight = 0; for (int i = 0, len = listAdapter.getCount(); i < len; i++) { // listAdapte...
https://www.fun123.cn/referenc... 

创建自定义 TinyWebDB 服务 · App Inventor 2 中文网

...可,不得转载或使用 隐私策略和使用条款 技术支持 service@fun123.cn
https://stackoverflow.com/ques... 

Force LF eol in git repo and working copy

...s to not being treated as a text, unset their text attribute, e.g. manual.pdf -text Or mark it explicitly as binary: # Denote all files that are truly binary and should not be modified. *.png binary *.jpg binary To see some more advanced git normalization file, check .gitattributes at D...
https://stackoverflow.com/ques... 

What is difference between Collection.stream().forEach() and Collection.forEach()?

... 475 3499 33631 336108 for:each 200 375 2793 27249 272590 for with index 384 467 2718 26036 261408 iterable.stream.forEach 515 714 3096 26320 262786 Java 8 Hotspot VM - 2.8GHz AMD, 64 GB, Windows Server 2016 1 ...
https://www.fun123.cn/referenc... 

将 App Inventor 2 目连接到外部传感器 · App Inventor 2 中文网

...可,不得转载或使用 隐私策略和使用条款 技术支持 service@fun123.cn