wasimf’s gists

wasimf / AttachToOrGet

Created November 10, 2013 14:06

AttachToOrGet from entity framework context

	public static void AttachToOrGet<T>(this ObjectContext context, string entitySetName, ref T entity)
	where T : IEntityWithKey
	{
	ObjectStateEntry entry;
	// Track whether we need to perform an attach
	bool attach = false;
	if (
	context.ObjectStateManager.TryGetObjectStateEntry
	(
	context.CreateEntityKey(entitySetName, entity),

wasimf / LoadImgaeSrc

Created September 8, 2013 07:27

Use Data URIs Instead of Image SRC's

	<!-- before... -->
	<img src="/images/logo.png" />

	<!-- ...after -->
	<img src="data: image/jpeg;base64,/9j/4AAQSkZJRgABAgAAZABkAAD/7AARRHVja3kAAQAEAAAAPAAA/+4ADkFkb2JlAGTAAAAAAf/bAIQABgQEBAUEBgUFBgkGBQYJCwgGBggLDAoKCwoKDBAMDAwMDAwQDA4PEA8ODBMTFBQTExwbGxscHx8fHx8fHx8fHwEHBwcNDA0YEBAYGhURFRofHx8fHx8fHx8fHx8fHx8fH ...." />

	<-- live example at: http://davidwalsh.name/demo/data-uri-php.php -->

wasimf / Compress

Created September 1, 2013 10:23

CompressionService - .Net Gzip based compression service .

	byte[] buffer = Encoding.UTF8.GetBytes(text);
	var ms = new MemoryStream();
	using (var zip = new GZipStream(ms, CompressionMode.Compress, true))
	{
	zip.Write(buffer, 0, buffer.Length);
	}

	ms.Position = 0;
	var compressed = new byte[ms.Length];
	ms.Read(compressed, 0, compressed.Length);

wasimf / shell

Created August 18, 2013 07:30

Shell html

	<div>
	<div class="navbar navbar-fixed-top">
	<div class="navbar-inner">
	<ul class="nav" data-bind="foreach: router.navigationModel">
	<li data-bind="css: { active: isActive }">
	<a data-bind="attr: { href: hash }, html: title"></a>
	</li>
	</ul>
	</div>
	</div>

wasimf / shell

Created August 18, 2013 07:29

Durandal shell.js

	define(['plugins/router', 'durandal/app'], function (router, app) {
	return {
	router: router,
	activate: function () {
	router.map([
	{ route: '', title:'Welcome', moduleId: 'viewmodels/welcome', nav: true },
	{ route: 'flickr', moduleId: 'viewmodels/flickr', nav: true }
	]).buildNavigationModel();

	return router.activate();

wasimf / main

Created August 18, 2013 07:26

The main.js module is the first code that gets executed and it is where you configure Durandal and tell it to start up the app.

	requirejs.config({
	paths: {
	'text': '../Scripts/text',
	'durandal': '../Scripts/durandal',
	'plugins': '../Scripts/durandal/plugins',
	'transitions': '../Scripts/durandal/transitions'
	}
	});

	define('jquery', function () { return jQuery; });

wasimf / index

Created August 18, 2013 07:25

Main index html file declaring Durandal application.

	<body>
	<div id="applicationHost"></div>
	<script type="text/javascript" src="/Scripts/require.js" data-main="/App/main"></script>
	</body>

wasimf / Base64

Created July 28, 2013 12:51

Basic64 javascript encoding

	base64Keys = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_=";
	base64Encode = function (input) {
	var chr1, chr2, chr3, enc1, enc2, enc3, enc4, i, output;
	output = "";
	i = 0;
	input = utf8Encode(input);
	while (i < input.length) {
	chr1 = input.charCodeAt(i++);
	chr2 = input.charCodeAt(i++);
	chr3 = input.charCodeAt(i++);

wasimf / BackupDb

Created July 8, 2013 20:56

Backup database script

	DECLARE @Filename varchar(100)
	SET @Filename = N'D:\Google Drive\ShelegBackups\IceHouce\IceHouseDB_' +convert(varchar, GetDate(), 102) + '.bak'
	BACKUP DATABASE [IceHouseDB] TO DISK = @Filename WITH NOFORMAT,
	INIT, NAME = N'IceHouseDB-Full Database Backup', SKIP,
	NOREWIND, NOUNLOAD, STATS = 10

	declare @backupSetId as int
	select @backupSetId = position from msdb..backupset _
	where database_name=N'IceHouseDB' and backup_set_id=(select max(backup_set_id)
	from msdb..backupset where database_name=N'IceHouseDB' )

wasimf / AspNetEventBroker

Created July 4, 2013 06:17

ASP.NET Event Broker - Event Broker implementation provides a way to broadcast and receive loosely coupled events. Behind the scenes the Event Broker uses the HttpContext.Items to keep track of its information.

	using System;
	using System.Web;
	using System.ComponentModel;

	public static class EventBroker
	{
	private static object EventsKey = new object();

	public static void Subscribe<TType>(this HttpContextBase source, object key, EventHandler<TType> value)
	where TType : EventArgs

Wasim wasimf