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Difference between decimal, float and double in .NET?
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Another difference: float 32-bit; double 64-bit; and decimal 128-bit.
– David
Aug 29 '16 at 15:08
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Calling Java from Python
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I have tried Pyjnius/Jnius, JCC, javabridge, Jpype and Py4j.
Py4j is a bit hard to use, as you need to start a gateway, adding another layer of fragility.
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usr/bin/ld: cannot find -l
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edited Jan 10 '17 at 15:59
Kevin Panko
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Accessing Object Memory Address
.... It also doesn't z-fill, so you would have to work out if the system is 64bit and add the zeroes as necessary.
– Artyer
Mar 14 '17 at 21:57
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PHP: How to remove all non printable characters in a string?
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7 bit ASCII?
If your Tardis just landed in 1963, and you just want the 7 bit printable ASCII chars, you can rip out everything from 0-31 and 127-255 with this:
$string = preg_replace('/[\x00-\x1F\x7F-\xFF]/', '', $string);
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How to sum up elements of a C++ vector?
...tive approach for speed however.
If you're going to be doing this quite a bit, you may want to consider "sub-classing" your vector so that a sum of elements is maintained separately (not actually sub-classing vector which is iffy due to the lack of a virtual destructor - I'm talking more of a class...
ArrayBuffer to base64 encoded string
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I tried the non-native implementation from the link and it took 1min and half to convert a 1M size buffer while the loop code above only to...
How to avoid overflow in expr. A * B - C * D
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Both long long and double are 64 bits. Since double has to allocate some bits for the exponent, it has a smaller range of possible values without loss of precision.
– Jim Garrison
Nov 5 '12 at 19:03
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Using HTML in Express instead of Jade
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In my opinion, using something as big as ejs just to read html files is a bit heavy-handed. I just wrote my own template engine for html files that's remarkably simple. The file looks like this:
var fs = require('fs');
module.exports = function(path, options, fn){
var cacheLocation = path + ...
Decorators with parameters?
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The syntax for decorators with arguments is a bit different - the decorator with arguments should return a function that will take a function and return another function. So it should really return a normal decorator. A bit confusing, right? What I mean is:
def decorato...