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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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inserting characters at the start and end of a string
...
>>> s = "0123456789"
>>> s[2]
'2'
Calling range with start and end position:
>>> s[4:6]
'45'
Calling part of a string before that position:
>>> s[:6]
'012345'
Calling part of a string after that position:
>>> s[4:]
'456789'
Inserting your str...
Place cursor at the end of text in EditText
...Changed() method of an EditText class: public void onSelectionChanged(int start, int end) { CharSequence text = getText(); if (text != null) { if (start != text.length() || end != text.length()) { setSelection(text.length(), text.length()); return; }...
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?
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Asp.net 4.0 has not been registered
...o open project and the error disappear, but another error show, then I use Start Without Debugging then this error disappear, too.
– yu yang Jian
Dec 15 '16 at 8:37
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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
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<?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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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...