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Tracking the script execution time in PHP
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<?php
// Randomize sleeping time
usleep(mt_rand(100, 10000));
// As of PHP 5.4.0, REQUEST_TIME_FLOAT is available in the $_SERVER superglobal array.
// It contains the timestamp of the start of the request with microsecond precision.
$time = m...
How to have Android Service communicate with Activity
...rvice.class); startService(intent); while(!YourService.isConnected) { sleep(300); } After that loop your service is running and you can do communication with it.. In my experience there are definitely some limitations to interacting with a service like this.
– Matt Wolf...
Artificially create a connection timeout error
...but the cleanest solution seems to be this service
http://httpstat.us/504?sleep=60000
You can configure the timeout duration (up to 230 seconds) and eventual return code.
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How to store a command in a variable in a shell script?
...d confirm this, you cand do:
echo test;
X=$(for ((c=0; c<=5; c++)); do
sleep 2;
done);
echo note the 5 seconds elapsed
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How do I measure separate CPU core usage for a process?
... ps -p $pid -L -o pid,tid,psr,pcpu,comm=
done
sleep 1
done
Note: These stats are based on process lifetime, not the last X seconds, so you'll need to restart your process to reset the counter.
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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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Simulate low network connectivity for Android [closed]
...P, use ResponseCache.setDefault(new CacheResponse(){...}) and put a Thread.sleep(200) call in there. This has the advantage of being programatically controlled (i.e. only just in one activity) and not affecting other processes. However, for a more realistic test, you should set the limit on your rou...
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...
What's the “average” requests per second for a production web application?
...rns with 'peak hours' maybe 2x or 3x the rate that you get while users are sleeping. (Can be useful when you're scheduling the daily batch-processing stuff to happen on servers)
You can see the effect even on 'international' (multilingual, localised) sites like wikipedia
...
write a shell script to ssh to a remote machine and execute commands
...hat the commands are run concurrently:
pssh -i -h hosts.txt -p 100 -t 0 sleep 10000
Options:
-I: Read input and sends to each ssh process.
-P: Tells pssh to display output as it arrives.
-h: Reads the host's file.
-H : [user@]host[:port] for single-host.
-i: Display standard output and...