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how to return index of a sorted list? [duplicate]
... 0, 1, 3, 4])
If not available, taken from this question, this is the fastest method:
>>> vals = [2,3,1,4,5]
>>> sorted(range(len(vals)), key=vals.__getitem__)
[2, 0, 1, 3, 4]
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In .NET, which loop runs faster, 'for' or 'foreach'?
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Reading through the blog post it looks like the tests were run in Debug and not Release so that might have a factor. Additionally the difference is specifically for just the loop overhead. It doesn't affect the time to execute the body of the loop at all which is most ca...
How to compare if two structs, slices or maps are equal?
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Yes exactly! When writing tests, it's very important to use go-cmp and not reflect.
– Kevin Minehart
Sep 19 '17 at 1:01
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How to crop an image using C#?
...ially if your image is real great and resolutions are not exactly 96.0
My test example:
static Bitmap LoadImage()
{
return (Bitmap)Bitmap.FromFile( @"e:\Tests\d_bigImage.bmp" ); // here is large image 9222x9222 pixels and 95.96 dpi resolutions
}
static void TestBigImagePar...
Get a random boolean in python?
... 3: 4.65 usec per loop
$ python -m timeit -s "from random import random" "test = [random() < 0.5 for i in range(1000000)]"
10 loops, best of 3: 118 msec per loop
$ python -m timeit -s "import numpy as np" "test = np.random.randint(2, size=1000000)"
100 loops, best of 3: 6.31 msec per loop
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Idiomatic way to convert an InputStream to a String in Scala
...lease point out the "performance bug" that you mentioned in your answer. I tested both versions with some basic testcases and didn't hit any issue.
– Sahil Sareen
Sep 15 '15 at 16:11
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Calling a function when ng-repeat has finished
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var module = angular.module('testApp', [])
.directive('onFinishRender', function ($timeout) {
return {
restrict: 'A',
link: function (scope, element, attr) {
if (scope.$last === true) {
$timeout(functio...
CSS Printing: Avoiding cut-in-half DIVs between pages?
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Tested page-break-inside in wkhtmltopdf in version 0.11 and it works.
– cmc
Feb 20 '12 at 17:23
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Is string in array?
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Linq (for s&g's):
var test = "This is the string I'm looking for";
var found = strArray.Any(x=>x == test);
or, depending on requirements
var found = strArray.Any(
x=>x.Equals(test, StringComparison.OrdinalIgnoreCase));
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What does PHP keyword 'var' do?
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I did tests. No returned E_STRICT ! sandbox.onlinephpfunctions.com/code/…
– Wallace Maxters
Jul 13 '15 at 12:07
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