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How to use PHP OPCache?
...ot of fields and validation methods and enums to be able to talk to my database.
Without opcache
When using this script without opcache and I push 9000 requests in 2.8 seconds to the apache server it maxes out at 90-100% cpu for 70-80 seconds until it catches up with all the requests.
Total time...
Set default CRAN mirror permanent in R
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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What is the most efficient way to store a list in the Django models?
...ng data is very common. Done correctly, it can save numerous expensive database lookups at the cost of a little more housekeeping.
To return a list of friend names we'll need to create a custom Django Field class that will return a list when accessed.
David Cramer posted a guide to creating a Sepe...
How to track child process using strace?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Disabling Chrome Autofill
...the password prefilling as well as any kind of heuristic filling of fields based on assumptions a browser may make (which are often wrong). As opposed to using <input autocomplete="off"> which seems to be pretty much ignored by the password autofill (in Chrome that is, Firefox does obey it).
U...
Is there a way to make mv create the directory to be moved to if it doesn't exist?
...
[ -a "$dir" ] ||
mkdir -p "$dir" &&
mv "$@"
}
These based on the submission of Chris Lutz.
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How to write a CSS hack for IE 11? [duplicate]
... the document mode to IE10 in the emulation settings - I am using Win10pro-64bit. Are you changing the user agent string instead? I previously tested it in Xp all the way to Win8.1 and found IE6-10 all worked properly with slash-9 as in this one: .selector { property:value\9; } My IE11 UAGENT in cas...
Expand a random range from 1–5 to 1–7
...will run in a constant amount of time, since 1/7 is an infinite decimal in base 5. One simple solution would be to use rejection sampling, e.g.:
int i;
do
{
i = 5 * (rand5() - 1) + rand5(); // i is now uniformly random between 1 and 25
} while(i > 21);
// i is now uniformly random between 1...
Search and replace a line in a file in Python
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Based on the answer by Thomas Watnedal.
However, this does not answer the line-to-line part of the original question exactly. The function can still replace on a line-to-line basis
This implementation replaces the file con...
Python - Get path of root project structure
...sh')
The output:
/home/sri/workspace/stackoverflow/resources/bands/Rush
Base: Geddy Lee
Vocals: Geddy Lee
Guitar: Alex Lifeson
Drums: Neil Peart
This works for all packages in your python path. So if you want to know where lxml.etree exists on your system:
import pkg_resources
if __name__ == ...