大约有 44,000 项符合查询结果（耗时：0.0295秒） [XML]
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...
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...
Why should Java ThreadLocal variables be static
... try {
//all concurrent thread will wait for 3 seconds
Thread.sleep(3000l);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
//Print the respective thread name along with "intValue" value and current user.
System.o...
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 ...
'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
|
show 5 more comments
...
How to get the return value from a thread in python?
...it as:
@threaded
def long_task(x):
import time
x = x + 5
time.sleep(5)
return x
# does not block, returns Thread object
y = long_task(10)
print y
# this blocks, waiting for the result
result = y.result_queue.get()
print result
The decorated function creates a new thread each tim...
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
...
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
...
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
share
|
improve this answer
|
...
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...