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How to profile methods in Scala?
...
testing.Benchmark might be useful.
scala> def testMethod {Thread.sleep(100)}
testMethod: Unit
scala> object Test extends testing.Benchmark {
| def run = testMethod
| }
defined module Test
scala> Test.main(Array("5"))
$line16.$read$$iw$$iw$Test$ 100 100 100 ...
Alternatives to gprof [closed]
...p `pidof a.out`
or to record for 10 secs:
perf record -p `pidof a.out` sleep 10
or to record with call graph ()
perf record -g -p `pidof a.out`
2) To analyze the recorded data
perf report --stdio
perf report --stdio --sort=dso -g none
perf report --stdio -g none
perf report --stdio -g
O...
How can I output leading zeros in Ruby?
...ed rubocop.yml with Style/FormatString: EnforcedStyle: sprintf and now I sleep well at night.
– David Hempy
Oct 21 '19 at 14:30
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'echo' without newline in a shell script
...r The % is your shell prompt. Try this, and watch carefully: printf hello; sleep 5
– Keith Thompson
May 12 at 21:21
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Bogus foreign key constraint fail
...hanges or updates. It has happened to me several times, leaving me without sleep for days.
– Flakron Bytyqi
Jul 26 '10 at 12:19
55
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Thread pooling in C++11
...e some kind of concurrent data structure, and each thread would presumably sleep on some kind of condition variable, which would be notified when there's work to do. Upon receiving the notification, one or several of the threads wake up, recover a task from the concurrent data structure, process it,...
What's the difference between Invoke() and BeginInvoke()
...readStart)delegate()
{
myTextBox.Text = "bing";
Thread.Sleep(TimeSpan.FromSeconds(3));
});
MessageBox.Show("done");
}
If use BeginInvoke, MessageBox pops simultaneous to the text update. If use Invoke, MessageBox pops after the 3 second sleep. Hence, showing the effect of...
java.lang.IllegalStateException: Can not perform this action after onSaveInstanceState
...s.Bundle outState)
This problem occurs precisely when the device goes to sleep.
http://developer.android.com/reference/android/app/FragmentTransaction.html
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Is there a way to make R beep/play a sound at the end of a script?
... seq(n)){
system("rundll32 user32.dll,MessageBeep -1")
Sys.sleep(.5)
}
}
This clearly could only work on Windows but I don't guarantee it will even run on an arbitrary Windows computer. I've only tested it on my machine but I figured I'd post it in case anybody has the same pr...
How can you diff two pipelines in Bash?
... this with e.g.:
comm -23 <(seq 100 | sort) <(seq 10 20 && sleep 5 && seq 20 30 | sort)
If this is an issue, you could try sd (stream diff), which doesn't require sorting (like comm does) nor process substitution like the above examples, is orders or magnitude faster than g...