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App Inventor 2 串口通信教程 - USB串口与蓝牙串口 · App Inventor 2 中文网
... 所需硬件
蓝牙串口模块：HC-05、HC-06、JDY-31 等
Arduino 开发板（可选，用于实际项目）
杜邦线等连接线材
HC-05/HC-06 蓝牙模块与 Arduino 连接
HC-05/HC-06 Arduino Uno
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Valid values for android:fontFamily and what they map to?
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edited Oct 31 '13 at 0:01
Ahmad
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Is it possible to set the equivalent of a src attribute of an img tag in CSS?
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PacerierPacerier
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How can I quantify difference between two images?
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keparokeparo
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How to concatenate twice with the C preprocessor and expand a macro as in “arg ## _ ## MACRO”?
...t work.
– Cade Roux
Sep 29 '09 at 1:31
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OfflineSpeech 拓展：离线语音识别 · App Inventor 2 中文网
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现象：讲「你好世界」，停止后标签里出现 你好（0.31 ~ 0.55 秒）世界（0.62 ~ 0.98 秒） 这样的逐词清单；formatdecimal(…, 2) 把秒保留两位小数。逐词含 conf 置信度，低于 0.6 的词可以做「人工复核」标记。
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How to use PrimeFaces p:fileUpload? Listener method is never invoked or UploadedFile is null / throw
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answered Jan 31 '12 at 20:06
Reinaldo GilReinaldo Gil
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Chrome Extension how to send data from content script to popup.html
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edited May 31 '19 at 7:01
answered Nov 16 '13 at 20:51
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How to avoid isset() and empty()
...t() won't.
– Htbaa
Dec 25 '09 at 12:31
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True, but I couldn't think of a sane use case where I ne...
What's the difference between unit, functional, acceptance, and integration tests? [closed]
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Unit Testing - As the name suggests, this method tests at the object level. Individual software...