Ben Stovold followben

followben / prng.js

Created March 24, 2020 03:42 — forked from lpinca/prng.js

Pseudorandom number generator based on crypto.randomBytes

	var crypto = require('crypto')
	, rrange = 4294967296;

	/**
	* Return an integer, pseudo-random number in the range [0, 2^32).
	*/

	var nextInt = function() {
	return crypto.randomBytes(4).readUInt32BE(0);
	};

followben / gist:4272a8684458946f93dd

Last active August 29, 2015 14:15 — forked from hollance/gist:2936287

Drawing inner glow with Core Graphics

	- (CGImageRef)createMaskFromAlphaChannel:(UIImage *)image
	{
	size_t width = image.size.width;
	size_t height = image.size.height;

	NSMutableData data = [NSMutableData dataWithLength:widthheight];

	CGContextRef context = CGBitmapContextCreate(
	[data mutableBytes], width, height, 8, width, NULL, kCGImageAlphaOnly);