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App Inventor 2 BLE扩展源码分析 - WriteBytes vs WriteStrings 23字节硬编...
...ns (extension/bluetoothle 分支)
关键文件：
- BluetoothLE.java（2975行）-- 公开API层
- BluetoothLEint.java（3165行）-- 内部实现层
二、核心发现：23字节硬编码限制
2.1 WriteStrings 的写入路径
位于 BLEWriteOperation.write() 方法第678-690行：
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hadoop No FileSystem for scheme: file
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edited Feb 18 at 21:04
answered Jan 14 '14 at 16:37
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How to easily truncate an array with JavaScript?
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edited May 21 '15 at 1:37
David Mason
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This will wait for 2 seconds:
WAITFOR DELAY '00:00:02';
The format is hh:mi:ss.mmm.
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