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Flattening a shallow list in Python [duplicate]
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An explicit loop that uses .extend method is the fastest solution according to this benchmark
– jfs
Apr 30 '14 at 2:02
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How do I trim leading/trailing whitespace in a standard way?
...endp++ = *frontp++; }
*endp = '\0';
}
return str;
}
Test for correctness:
#include <stdio.h>
#include <string.h>
#include <ctype.h>
/* Paste function from above here. */
int main()
{
/* The test prints the following:
[nothing to trim] -> [nothin...
Do Swift-based applications work on OS X 10.9/iOS 7 and lower?
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I just tested it for you, Swift applications compile into standard binaries and can be run on OS X 10.9 and iOS 7.
Simple Swift application used for testing:
func application(application: UIApplication, didFinishLaunchingWithOpt...
Regular expression to match a word or its prefix
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Use this live online example to test your pattern:
Above screenshot taken from this live example: https://regex101.com/r/cU5lC2/1
Matching any whole word on the commandline.
I'll be using the phpsh interactive shell on Ubuntu 12.10 to demonstrate the P...
How can I perform a culture-sensitive “starts-with” operation from the middle of a string?
...ex, ref length2, options))
return length2;
}
}
I tested with the particular case, and the comparision down to about 3.
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Test if a class has an attribute?
I'm trying to do a little Test-First development, and I'm trying to verify that my classes are marked with an attribute:
4 ...
What's the difference between dependencies, devDependencies and peerDependencies in npm package.json
...dency would be used by different dependencies.
expected to start on 3.0 (untested): give a warning if missing on npm install, and you have to solve the dependency yourself manually. When running, if the dependency is missing, you get an error (mentioned by @nextgentech)
Transitivity (mentioned by B...
Get class that defined method
...ct__! Sometimes __slots__ is used. It's probably better to use getattrto test if the method is in the class.
– Codie CodeMonkey
Mar 11 '13 at 22:07
16
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Fastest way to list all primes below N
...to, rwh_primes, rwh_primes1, and rwh_primes2.
Of the plain Python methods tested, with psyco, for n=1000000,
rwh_primes1 was the fastest tested.
+---------------------+-------+
| Method | ms |
+---------------------+-------+
| rwh_primes1 | 43.0 |
| sieveOfAtkin | 4...
Detecting iOS / Android Operating system
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You can test the user agent string:
/**
* Determine the mobile operating system.
* This function returns one of 'iOS', 'Android', 'Windows Phone', or 'unknown'.
*
* @returns {String}
*/
function getMobileOperatingSystem() {
v...