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Gabor Heja gheja

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Linux automation engineer by day, gamedev, webdev and maker by night

kdzwinel / trilateration.js

Created January 3, 2014 09:35

Simple trilateration algorithm implementation in JavaScript.

	function getTrilateration(position1, position2, position3) {
	var xa = position1.x;
	var ya = position1.y;
	var xb = position2.x;
	var yb = position2.y;
	var xc = position3.x;
	var yc = position3.y;
	var ra = position1.distance;
	var rb = position2.distance;
	var rc = position3.distance;

raveren / cryptographically_secure_random_strings.php

Last active October 25, 2025 19:14

Generate cryptographically secure random strings. Based on Kohana's Text::random() method and this answer: http://stackoverflow.com/a/13733588/179104

	function random_text( $type = 'alnum', $length = 8 )
	{
	switch ( $type ) {
	case 'alnum':
	$pool = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
	break;
	case 'alpha':
	$pool = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
	break;
	case 'hexdec':

mrluanma / datetime2stamp.py

Created July 6, 2012 02:21

Convert datetime to Unix timestamp.

	def datetime2stamp(year, month, day, hour, minute, second):
	timestamp = 0
	for y in range(year - 1, 1969, -1):
	if is_leap_year(y):
	day += 366
	else:
	day += 365

	month_day = [0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334]