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PHP filesize MB/KB conversion [duplicate]
...tion filesize_formatted($path)
{
$size = filesize($path);
$units = array( 'B', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB');
$power = $size > 0 ? floor(log($size, 1024)) : 0;
return number_format($size / pow(1024, $power), 2, '.', ',') . ' ' . $units[$power];
}
Note from file...
How to find the kth smallest element in the union of two sorted arrays?
...ork question. They say it takes O(logN + logM) where N and M are the arrays lengths.
17 Answers
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How does the “this” keyword work?
...ese special built-in functions are:
Function.prototype.apply( thisArg, argArray )
Function.prototype.call( thisArg [ , arg1 [ , arg2, ... ] ] )
Function.prototype.bind( thisArg [ , arg1 [ , arg2, ... ] ] )
Array.prototype.every( callbackfn [ , thisArg ] )
Array.prototype.some( callbackfn [ , thisAr...
How to convert a string of numbers to an array of numbers?
...f split function) but it is equivalent to split(','). The string is now an array, we just have to map each value with a function returning the integer of the string so x=>+x (which is even shorter than the Number function (5 chars instead of 6)) is equivalent to :
function(x){return parseInt(x,1...
In C# check that filename is *possibly* valid (not that it exists) [duplicate]
... can add a check for your filename containing any of the characters in the array returned by char[] badChars = Path.GetInvalidFileNameChars();
– Jon Dosmann
Feb 12 '15 at 18:27
...
Build tree array from flat array in javascript
...st that having additional information, eg: a path like [1, 5, 6] where the array is the subsequent ancestors, couldn't be used efficiently in it. But looking at the code it kinda makes sens since I believe it is O(n)
– Ced
Apr 3 '17 at 10:44
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How can I convert a zero-terminated byte array to string?
... the number of bytes read, your code would look like this:
s := string(byteArray[:n])
To convert the full string, this can be used:
s := string(byteArray[:len(byteArray)])
This is equivalent to:
s := string(byteArray)
If for some reason you don't know n, you could use the bytes package to find it...
How to get a one-dimensional scalar array as a doctrine dql query result?
I want to get an array of values from the id column of the Auction table.
If this was a raw SQL I would write:
5 Answers
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Convert Json Array to normal Java list
Is there a way to convert JSON Array to normal Java Array for android ListView data binding?
14 Answers
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Numpy: find first index of value fast
How can I find the index of the first occurrence of a number in a Numpy array?
Speed is important to me. I am not interested in the following answers because they scan the whole array and don't stop when they find the first occurrence:
...