richardkundl’s gists

richardkundl / _css-spinners.md

Last active January 25, 2016 08:59

CSS spinners

Leanest spinner
Circle spinner
Bidimensional spinner

richardkundl / BloomFilter.cs

Created January 7, 2014 14:29

Bloom filter implementation in c#.

	namespace BloomFilter
	{
	using System;
	using System.Collections;

	/// <summary>
	/// Bloom filter.
	/// </summary>
	/// <typeparam name="T">Item type </typeparam>
	public class Filter<T>

richardkundl / setInterval.js

Created November 27, 2013 10:42

An alternative to Javascript's evil setInterval: - Doesn't care whether the callback is still running or not - Ignores errors - Isn't that flexible Thanks: http://www.thecodeship.com/web-development/alternative-to-javascript-evil-setinterval/

	function interval(func, wait, times){
	var interv = function(w, t){
	return function(){
	if(typeof t === "undefined" \|\| t-- > 0){
	setTimeout(interv, w);
	try{
	func.call(null);
	}
	catch(e){
	t = 0;

richardkundl / RecursionStackoverflow.cs

Created November 26, 2013 10:49

Ensures that the remaining stack space is large enough to execute the average .NET Framework function.

	try
	{
	RuntimeHelpers.EnsureSufficientExecutionStack();
	// call recursion
	}
	catch (InsufficientExecutionStackException)
	{
	// catch recursion stackoverflow exception
	}
	catch

richardkundl / LevenshteinDistance.cs

Last active December 28, 2015 08:08

Computate Levenshtein distance, not a normal returns format. It returns the percentage difference: 0 == perfect match; 100 == totaly different

	/// <summary>
	/// Computate Levenshtein distance, not a normal returns format.
	/// It returns the percentage difference.
	/// </summary>
	/// <param name="expected"> expected word </param>
	/// <param name="actual"> actual word </param>
	/// <returns> Value between 0 - 100
	/// 0==perfect match 100==totaly different </returns>
	public static byte GetLevenshteinDistance(string expected, string actual)
	{

richardkundl / Sift3Distance.cs

Created November 14, 2013 15:15

Get Sift3 distance from two words. Simmilar to the Levenshtein distance, but it's four time faster. Verifying that(http://norvig.com/ngrams/) data sets.

	/// <summary>
	/// Get Sift3 distance from two words.
	/// (eg: spell checking)
	/// </summary>
	/// <param name="source"> source string </param>
	/// <param name="actual"> actual string </param>
	/// <param name="maxOffset"> max offset </param>
	/// <returns> The distance of the two words. </returns>
	public static float GetSift3Distance(string source, string actual, int maxOffset)
	{

richardkundl / simpleajaxcache.js

Created November 1, 2013 17:56

Simple way to caching AJAX request result

	// define cache
	var cache = {};

	// ...
	// within the AJAX callback
	cache[url] = data;

	// ...
	// within callback that would set forth a request
	if(cache[url]) {

richardkundl / jquery-rval.js

Created March 27, 2013 14:19

JQuery read textbox placeholder member, if the textbox value is empty. Thats wrong. This rVal return empty value, never return placeholder value.

	jQuery.fn.rVal = function () {
	if (this[0]) {
	var ele = $(this[0]);
	if (ele.attr('placeholder') != '' && ele.val() == ele.attr('placeholder')) {
	return '';
	} else {
	return ele.val();
	}
	}
	return undefined;

richardkundl / GenericEvaulatingOrderBy.cs

Last active December 15, 2015 11:29

Extending linq order by method.

	namespace Common.Extension
	{
	using System.Linq;
	using System.Linq.Expressions;

	public static class GenericEvaulatingOrderBy
	{
	private static IOrderedQueryable<T> OrderingHelper<T>(IQueryable<T> source, string propertyName, bool descending, bool anotherLevel)
	{
	var param = Expression.Parameter(typeof(T), "p");

richardkundl / PageHelper.cs

Created February 13, 2013 21:13

Find custom controls in aspx page any depth

	/// <summary>
	/// Extension method for the "Page" class
	/// </summary>
	public static class PageHelper
	{
	/// <summary>
	/// Find control in the page
	/// </summary>
	/// <typeparam name="T">return control type(eg. TextBox)</typeparam>
	/// <param name="page">Actual Page</param>

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