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How to identify CAAnimation within the animationDidStop delegate?
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Is there a simple, elegant way to define singletons? [duplicate]
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edited Mar 13 '16 at 20:44
Peter Mortensen
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BLE（二）信道&数据包&协议栈格式 - 创客硬件开发 - 清泛IT社区，...
文章源自：https://www.gandalf.site/2018/11/ble_23.html
参考低功耗蓝牙（BLE）安全初探
0x1 信道BLE的物理通道即“频道，分别是‘f=2402+k*2 MHz, k=0, … ,39’，带宽为2MHz”的40个RF Channel。
其中，有3个信道是advertising channel（广播通道）...
Is there a method to generate a UUID with go language
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u[8] = (u[8] | 0x80) & 0xBF // what's the purpose ?
u[6] = (u[6] | 0x40) & 0x4F // what's the purpose ?
These lines clamp the values of byte 6 and 8 to a specific range. rand.Read returns random bytes in the range 0-255, which are...
How do lexical closures work?
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answered Oct 24 '08 at 14:47
ClaudiuClaudiu
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How to create a HashMap with two keys (Key-Pair, Value)?
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190
There are several options:
2 dimensions
Map of maps
Map<Integer, Map<Integer, V>>...
How to detect orientation change?
...sue.
– FractalDoctor
Nov 14 '14 at 10:46
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Im new to coding but shouldn't selector have a string ...
Regular expression to match a line that doesn't contain a word
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The notion that regex doesn't support inverse matching is not entirely true. You can mimic thi...
How do I use Assert to verify that an exception has been thrown?
...lUserIdInConstructor()
{
LogonInfo logonInfo = new LogonInfo(null, "P@ss0word");
}
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How to write a:hover in inline CSS?
...m/yourstylesheet.css");
var head = document.getElementsByTagName("head")[0];
head.appendChild(link);
</script>
Caution: the above assumes there is a head section.
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