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What does LINQ return when the results are empty
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It will return an empty enumerable. It wont be null. You can sleep sound :)
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How to stop/terminate a python script from running?
...mes if the process is stuck (for example, blocked in an uninterruptable IO sleep state), a SIGTERM signal has no effect because the process can't even wake up to handle it.
To forcibly kill a process that isn't responding to signals, you need to send the SIGKILL signal, sometimes referred to as kil...
Is there a way to take a screenshot using Java and save it to some sort of image?
...ce() == b)
{
this.dispose();
try {
Thread.sleep(1000);
Toolkit tk = Toolkit.getDefaultToolkit();
Dimension d = tk.getScreenSize();
Rectangle rec = new Rectangle(0, 0, d.width, d.height);
Robot ro = new Robot();
...
Call a function after previous function is complete
...ness that philwinkle has mentioned. Thanks again, guys. I'm gonna get some sleep, and tackle this again in the morning.
– Rrryyyaaannn
Feb 15 '11 at 6:31
13
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Pod install is staying on “Setting up CocoaPods Master repo”
...y this command to track its work.
while true; do
du -sh ~/.cocoapods/
sleep 3
done
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使用App Inventor扩展实现多点触控：Scale Detector · App Inventor 2 中文网
...s.registerCustomGestureDetector(myDetector);
}
ExtensionScale 的构造函数的参数是上面实现的手势监听器，以及 Canvas 的上下文，这是监听应该发生的上下文。
你可以构建以类似方式响应其他多点触控手势的其他扩展，前提是你可以找到...
How to make the hardware beep sound in Mac OS X 10.6
...get a red indicator saying there has been something completed. Try this: "sleep 5; tput bel" run that command and then tab out of the terminal, when the bell goes off you get an alert. Just what I was looking for!
– BadPirate
Jan 5 '12 at 18:37
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socket.shutdown vs socket.close
...s messed with SO_LINGER, which they shouldn't do. There is no necessity to sleep either, nor even to call shutdown before close. There is a lot of misinformation out there about this matter.
– Marquis of Lorne
Nov 26 '19 at 0:36
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Does Android support near real time push notification?
...nnected to an 3G network, uses approximately 5mA
The wake-up, heartbeat, sleep cycle occurs every 5 minutes, takes three seconds
to complete and uses 300mA
The cost in battery usage per hour is therefore:
36 seconds 300mA = 3mAh sending heartbeat
3600 seconds 5mA = 5mAh at idle
4:95...
Getting realtime output using subprocess
...{
printf(" Count %d\n", count++);
fflush(stdout);
sleep(1);
}
}
<< Python Program >>
#!/usr/bin/python
import os, sys
import subprocess
procExe = subprocess.Popen(".//count", shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE, universal_newlines...