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How to write a JSON file in C#?
...ere's a feature comparison between common serialisers as well as benchmark tests .
Below is a graph of performance taken from the linked article:
This separate post, states that:
Json.NET has always been memory efficient, streaming the reading and writing large documents rather than lo...
How to build an APK file in Eclipse?
...
For testing on a device, you can connect the device using USB and run from Eclipse just as an emulator.
If you need to distribute the app, then use the export feature:
Then follow instructions. You will have to create a key...
Pure JavaScript equivalent of jQuery's $.ready() - how to call a function when the page/DOM is ready
...tHandlersInstalled = true;
}
}
})("docReady", window);
The latest version of the code is shared publicly on GitHub at https://github.com/jfriend00/docReady
Usage:
// pass a function reference
docReady(fn);
// use an anonymous function
docReady(function() {
// code here
});
// p...
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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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...
What is the difference between .map, .every, and .forEach?
...rns a boolean - true if every element in this array satisfies the provided testing function. An important difference with .every() is that the test function may not always be called for every element in the array. Once the testing function returns false for any element, no more array elements are ...
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
...
Batch file to delete files older than N days
... Should be del @FILE, case matters Also I suggest using /c echo @FILE for testing
– Russell Steen
Sep 16 '09 at 14:55
40
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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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In .NET, which loop runs faster, 'for' or 'foreach'?
...
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...