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【BLE技术内幕】BLE技术揭秘 - 创客硬件开发 - 清泛IT论坛，有思想、有深度
...均变为已连接状态。然后主机可以调用协议栈提供的接口函数来获取从机的服务。
3.7.7 步骤7：成功获取服务如下图所示，主机成功获取到从机的服务，例如获取到UUID为0xFFF0的Services，该Service有两个特征值，分别是具有读写属...
“Invalid signature file” when attempting to run a .jar
..."**/*.jar" />
</zipgroupfileset>
</jar>
<sleep seconds="1" />
<jar jarfile="${output.dir}/myjar.jar" basedir="${classes.dir}">
<zipfileset src="${output.dir}/deps.jar" excludes="META-INF/*.SF" />
<manifest>
<at...
Play audio from a stream using C#
...NAudio to start playing
while (ms.Length < 65536*10)
Thread.Sleep(1000);
ms.Position = 0;
using (WaveStream blockAlignedStream = new BlockAlignReductionStream(WaveFormatConversionStream.CreatePcmStream(new Mp3FileReader(ms))))
{
using (WaveOut waveOut = new WaveOu...
Make sure only a single instance of a program is running
... did something wrong in your test. (Perhaps you forgot to make your script sleep after the above code ran, so it immediately exited and released the socket.)
– Luke
Nov 4 '17 at 7:35
...
Wrapping StopWatch timing with a delegate or lambda?
...atic void Invoke() {
using( SingleTimer.Start )
Thread.Sleep( 200 );
Console.WriteLine( SingleTimer.Elapsed );
using( SingleTimer.Start ) {
Thread.Sleep( 300 );
}
Console.WriteLine( SingleTimer.Elapsed );
}
}
public class SingleTi...
delegate keyword vs. lambda notation
...erence
Example:
var mytask = Task.Factory.StartNew(() =>
{
Thread.Sleep(5000);
return 2712;
});
mytask.ContinueWith(delegate
{
_backgroundTask.ContinueTask(() =>lblPercent.Content = mytask.Result.ToString(CultureInfo.InvariantCulture));
});
And I replace with lambda:(error)
...
How do I watch a file for changes?
...rt time pub = Monkey() while True: try: time.sleep(1) pub.watch() except KeyboardInterrupt: print('\nDone') break except: print(f'Unhandled error: {sys.exc_info()[0]}') `
– Vlad Bezden...
PHP - Extracting a property from an array of objects
...'return $o->id;'), $objects);
echo memory_get_usage() . "\n";
sleep(1);
}
// the output
4235616
4236600
4237560
4238520
...
GOOD
while (true)
{
$objects = array_map(function($o) { return $o->id; }, $objects);
echo memory_get_usage() . "\n";
sleep(1);
}
// the outpu...
海量数据相似度计算之simhash和海明距离 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
... 0 1 字符串吗？我直接把这个文本作为字符串输入，用hash函数生成 0 1 值更简单。其实不是这样的，传统hash函数解决的是生成唯一值，比如 md5、hashmap等。md5是用于生成唯一签名串，只要稍微多加一个字符md5的两个数字看起来相...
Print in one line dynamically
...plete example based on your code:
from sys import stdout
from time import sleep
for i in range(1,20):
stdout.write("\r%d" % i)
stdout.flush()
sleep(1)
stdout.write("\n") # move the cursor to the next line
Some things about this that may be surprising:
The \r goes at the beginning of...