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BLE协议—广播和扫描 - 创客硬件开发 - 清泛IT社区，为创新赋能！
...信道上传输，即除37/38/39之外的其余37信道（BLE总共占用40个信道）。每建立一次连接，重新生成一次Access address。数据包是给连接通信使用的，即用于master和slave之间通信的。广播类型目前BLE广播报文有7种类型，其中关于连接的...
How to avoid passing parameters everywhere in play2?
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xpda
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answered Mar 9 '12 at 9:58
Julien Richard-FoyJ...
Setting HttpContext.Current.Session in a unit test
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14 Answers
14
Active
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How do I make a placeholder for a 'select' box?
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34 Answers
34
Active
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Function return value in PowerShell
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GoyuixGoyuix
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Vertical (rotated) label in Android
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244
Here is my elegant and simple vertical text implementation, extending TextView. This means that...
Why should I use 'li' instead of 'div'?
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149
For semantic correctness. HTML has the ability to express lists of things, and it helps the Go...
cv2.imshow command doesn't work properly in opencv-python
I'm using opencv 2.4.2, python 2.7
The following simple code created a window of the correct name, but its content is just blank and doesn't show the image:
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What's the difference between emulation and simulation? [duplicate]
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answered Feb 1 '10 at 6:54
Carlos GutiérrezCarlos Gutiérrez
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How to change node.js's console font color?
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Reset = "\x1b[0m"
Bright = "\x1b[1m"
Dim = "\x1b[2m"
Underscore = "\x1b[4m"
Blink = "\x1b[5m"
Reverse = "\x1b[7m"
Hidden = "\x1b[8m"
FgBlack = "\x1b[30m"
FgRed = "\x1b[31m"
FgGreen = "\x1b[32m"
FgYellow = "\x1b[33m"
FgBlue = "\x1b[34m"
FgMagenta = "\x1b[35m"
FgCyan = "\x1b[36m"
FgWhite = "\x1b[3...