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How to profile a bash shell script slow startup?
My bash shell takes up to 3-4 seconds to start up, while if I start it with --norc it runs immediately.
7 Answers
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Android activity life cycle - what are all these methods for?
...droid activity? Why are so many similar sounding methods ( onCreate() , onStart() , onResume() ) called during initialization, and so many others ( onPause() , onStop() , onDestroy() ) called at the end?
...
Cross browser JavaScript (not jQuery…) scroll to top animation
...ow.scrollTo(0, scrollTargetY);
}
}
// call it once to get started
tick();
}
// scroll it!
scrollToY(0, 1500, 'easeInOutQuint');
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What's better at freeing memory with PHP: unset() or $var = null
...
<?php
$start = microtime(true);
for ($i = 0; $i < 10000000; $i++) {
$a = 'a';
$a = NULL;
}
$elapsed = microtime(true) - $start;
echo "took $elapsed seconds\r\n";
$start = microtime(true);
for ($i = 0; $i < 10000000...
When do we need to set ProcessStartInfo.UseShellExecute to True?
... is
Run any command on the PATH
For example:
Process p = new Process();
p.StartInfo.UseShellExecute = true;
p.StartInfo.FileName = "www.google.co.uk";
p.Start();
It is very easy to use, versatile and powerful however comes with some drawbacks:
It isn't possible to redirect the standard input / ou...
The breakpoint will not currently be hit. No symbols have been loaded for this document in a Silverl
...t click on solution --> Properties
Look under Common Properties --> Startup Project
Select multiple startup projects
select Start action on the projects you need to debug.
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Calculate the median of a billion numbers
...ll be called the "control machine", and for the sake of argument either it starts with all the data, and sends it in equal parcels to the other 99 machines, or else the data starts evenly distributed between the machines, and it sends 1/99 of its data to each of the others. The partitions do not hav...
What to do Regular expression pattern doesn't match anywhere in string?
...y @input_tags = $html =~ m/
(
<input # Starts with "<input"
(?=[^>]*?type="hidden") # Use lookahead to make sure that type="hidden"
[^>]+ # Grab the rest of the tag...
\/> # ...e...
Why do table names in SQL Server start with “dbo”?
...stackoverflow.com%2fquestions%2f1062075%2fwhy-do-table-names-in-sql-server-start-with-dbo%23new-answer', 'question_page');
}
);
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Configuring Git over SSH to login once
... other windows environment where this most certainly is not done for you.
Start here: man ssh-agent.
There are various ways to automatically run the agent. As the man page explains, you can run it so that it is a parent of all your login session's other processes. That way, the environment variabl...