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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...
Why can templates only be implemented in the header file?
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edited Mar 9 at 14:52
NathanOliver
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How do I get an element to scroll into view, using jQuery?
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answered Feb 3 '11 at 10:24
David TangDavid Tang
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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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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...
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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“register” keyword in C?
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344
It's a hint to the compiler that the variable will be heavily used and that you recommend it be...
How do I make a placeholder for a 'select' box?
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34 Answers
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MySQL check if a table exists without throwing an exception
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answered Oct 6 '09 at 14:04
nickfnickf
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How to find first element of array matching a boolean condition in JavaScript?
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Since ES6 there is the native find method for arrays; this stops enumerating the array once it ...