Using Javascript and ASP.NET Ajax to create a continuous list

by rahul 1/28/2009 8:34:29 AM

What the heck is a continuous list anyway? Honestly, I don't know if I should be using this name or not, but probably this is what it looks like. Without further ado, let's see what I am referring to... Visit www.dzone.com - Notice that whenever you tend to reach the bottom of the page, there are some more items listed for you. The list seems almost endless, and I like this interface a lot, simply because it doesn't ask me to go to page N. In this post, we will use the following to create... [More]

Tags: ajax, asp.net, tips and tricks

LINQ Performance - Part 1 - LINQ to Collection

by rahul 1/27/2009 7:18:23 AM

There are multiple benchmarking results already out there for LINQ. The reason why I am doing this again is the because I have heard multiple times that the latest version of LINQ contains a lot of improvements. My current configuration is... Windows Server 2008 Enterprise SP 1Visual Studio 2008 SP14GB RAM System.Core version 3.5.30729.1 In this post, I will take a look at the results ONLY from LINQ to Collection (An array of strings). You can play around with the code and post other findings (... [More]

Tags: .net, linq, performance

.NET | LINQ | Performance

Timepass... Fix the code...

by rahul 1/27/2009 5:10:07 AM

Create a C# Console application, and paste the following code in the Main method... for (int i = 0; i < 5; i++) { //Generating a Random number between 0 and 100000 int intRandomElement; Random r = new Random(); intRandomElement = r.Next(1, 100000); Console.WriteLine(intRandomElement); } If you run this code in debug mode, you should be able to get the output as expected. But if y... [More]

Tags: .net, c#, timepass

.NET | C# | Timepass

Explaining Delegates in C# - Part 7 (Asynchronous Callback - Way 4)

by rahul 1/25/2009 6:55:00 AM

This is the final part of the series that started with... Callback and Multicast delegates Events One more Event Asynchronous Callback - Way 1 - BeginInvoke > EndInvoke Asynchronous Callback - Way 2 - BeginInvoke > AsyncWaitHandle.WaitOne(x) > EndInvoke > AsynWaitHandle.Close() Asynchronous Callback - Way 3 - BeginInvoke > Poll for result's IsCompleted > EndInvoke In this scenario, if we go with the husband-wife-kiddo analogy, I will need to introduce another guy! No no... [More]

Tags: .net, c#, delegates

.NET | C# | Delegates

Explaining Delegates in C# - Part 6 (Asynchronous Callback - Way 3)

by rahul 1/23/2009 9:02:56 AM

By now, I have shown the following usages of delegates... Callback and Multicast delegates Events One more Event Asynchronous Callback - Way 1 - BeginInvoke > EndInvoke Asynchronous Callback - Way 2 - BeginInvoke > AsyncWaitHandle.WaitOne(x) > EndInvoke > AsynWaitHandle.Close() In this part, we will take a look at how you could use polling to figure out if the Asynchronous call is complete. So,... [More]

Tags: .net, c#, delegates

.NET | C# | Delegates

Explaining Delegates in C# - Part 5 (Asynchronous Callback - Way 2)

by rahul 1/22/2009 4:28:21 AM

In this part of making asynchronous programming with delegates, we will talk about a different way, which is a little better than Way 1. In the previous post, it was like a husband telling his wife... You know honey, I have a lot of work to do. Why don't you help me up by doing something that you can do pretty well . In the meantime, I will take care of some other stuff. As soon as I am done, I promise I will pick you up. Notice that, although it looks like a good way of getting the work done, i... [More]

Tags: .net, c#, delegates

.NET | C# | Delegates

Explaining Delegates in C# - Part 4 (Asynchronous Callback - Way 1)

by rahul 1/22/2009 4:25:32 AM

So far, I have discussed about Callback, Multicast delegates, Events using delegates, and yet another example of events using delegates. In this post, I will take this topic one step forward and show you an example of Asynchronous callbacks using delegates. Let's say a client calls a method that takes 40 minutes to complete, how do we communicate with the client? Option 1> Keep showing that busy Cursor for 40 minutes!!! Option 2> Keep updating the clie... [More]

Tags: .net, c#, delegates

.NET | C# | Delegates

Explaining Delegates in C# - Part 3 (Events again)

by rahul 1/20/2009 12:57:14 PM

I was thinking that the previous post on Events and Delegates was quite self-explanatory. A couple of days ago, I received an email which said that may be it is not that good as to explain what I want to achieve in life through that event. So, I thought why not write another post on Delegates and Events to make things clearer from a practical (or may be not so practical, "BUT" just another simple and practical example. There is no harm in trying, after all...) Here is the requirement... You have... [More]

Tags: .net, c#, delegates

.NET | C# | Delegates

A C# Argument Parser for a Windows Console Application

by praveen 1/11/2009 9:01:56 AM

There are a multitude of Argument Parsers available online. So why am I writing my own? Well to be frank… I did a search and couldn’t find anything that would be either “easy” to implement. I know that this is not much, but hope other programmers might find this useful if they are as lazy as I am and looking for a quick solution :-) I was actually looking for a parser which would return something like a Hashtable which i can loop through and load the values into properties of some sort. So here... [More]

Tags: console application, argument parser, c#

.NET | C# | Tips and Tricks | Code Snippet

Playlist copier - Copy your mp3 to a folder from m3u playlist

by rahul 1/11/2009 3:43:33 AM

Requirement > You have a lot of play lists (m3u) and you want to burn all the songs in any play list to some media of your choice (CD, DVD, USB, etc). How do you do it currently? Well, I used to take a look at the file information and copy the files one by one manually. Recently, I wanted to burn a CD for my car audio, and had some 200 odd songs in my play list. It would have taken a long time for me, so I thought of spending a few minutes in writing this piece of code. My Solution >>&g... [More]

Tags: download, miscellany

Download | Miscellany

Using Javascript and ASP.NET Ajax to create a continuous list

LINQ Performance - Part 1 - LINQ to Collection

Timepass... Fix the code...

Explaining Delegates in C# - Part 7 (Asynchronous Callback - Way 4)

Explaining Delegates in C# - Part 6 (Asynchronous Callback - Way 3)

Explaining Delegates in C# - Part 5 (Asynchronous Callback - Way 2)

Explaining Delegates in C# - Part 4 (Asynchronous Callback - Way 1)

Explaining Delegates in C# - Part 3 (Events again)

A C# Argument Parser for a Windows Console Application

Playlist copier - Copy your mp3 to a folder from m3u playlist

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