Friday, November 25, 2005

Microsoft Enterprise Application blocks

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Recently, Microsoft's Pattern & Practices Group has released the Enterprise Library, a large configurable and extensible software li...

Ruminating on Transactions

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Most of us have worked on transactions one time or the other. Transactions can be broadly classified as local or distributed . Local transa...

Making web service proxy URL dynamic in .NET

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In VS.NET, whenever we add a web-reference to a webservice, what happens behind the scenes is that a proxy is created which contains the URL...
Thursday, November 24, 2005

Object pooling in Java

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Quite often, we may have to use object pooling to conserve resources and increase performance. I came across some pretty good abstract compo...

Doug Lea's Home Page

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I have been impressed with the genius of Doug Lea when I saw his concurrent package in Java. His home page contains a lot of interesting lin...

Thread pools in Java

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I have often used thread pools in my applications. My favourite opensource thread pool was the PooledExecutor class written by Doug Lea (ava...
Thursday, November 17, 2005

StringBuilder in Java 5.0

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There is a new class in Java5.0 - StringBuilder class that can be used whenever we are doing some heavy-duty string manipulation and we do n...
Wednesday, November 09, 2005

Understanding Unicode

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I still see many people with a lot of myths about Unicode. I guess the reason for this is that a lot of people still feel that Unicode is a ...

On Bytes and Chars...

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During i8n and localization, we often come across basic fundamental issues such as: - How many bytes make a character? - How many characters...
Tuesday, November 08, 2005

Preventing SQL injection attacks...

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I still see a lot of applications that are vulnerable to SQL injection attacks bcoz of usage of dynamic SQL using string concatenation. It i...

Common terms in Datawarehousing.

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I have been interested in datawarehousing concepts for a long time, but unfortunately never got a chance to work on them. Here are some comm...
Thursday, October 20, 2005

Reusable Application blocks for .NET

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I often used to write some utility classes that would simplify the coding of most used tasks. For e.g. accessing a DataReader for binding to...
Wednesday, October 19, 2005

How to implement Role authorization after Forms authentication

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After authenticating a user using forms authentication, we may want to restict access to certain parts of the website to certain users - i.e...

Advantages of using netmodules in .NET

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I often wondered what was the advantage of compiling files into .net modules and linking them together using the Al.exe tool. I also noticed...

GAC folder in Windows

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When we go the default GAC folder in Windows located at : "C:\WINNT\assembly" we see the dlls that are registered in the GAC. But ...
Tuesday, October 18, 2005

XML databinding in Java using Castor

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Often in my applications, I needed to persist some Java data objects as XML. For this I used to use JDOM which was quite cool to use bcoz of...
Friday, October 07, 2005

XML parsing APIs in .NET

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The .NET API has quite a few classes to help us manipulate XML data. We have the 'XMLReader' class and its subclasses like 'XMLT...
Thursday, October 06, 2005

Diff btw Java and C#.NET

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I came across this comprehensive document stating all the minute differences between Java and C#.NET. A good read :) http://www.25hoursaday....
Wednesday, October 05, 2005

I still love Struts...

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I have been a strong advocate of Struts right from the start. I often see developers getting confused over making a choice between struts, v...
Monday, October 03, 2005

Diff btw 'package' access specifier in Java and 'internal' access specifier in .NET

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At first I thought that the "package" access-specifier in Java is equivalent to the "internal" access-specifier in .NET....
Wednesday, September 28, 2005

File Upload in ASP.NET

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There are a couple of things we need to keep in mind while doing a file-upload in ASP.NET. If the upload fails it could be bcoz of the follo...

How does the Page's IsPostBack property work?

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IsPostBack checks to see whether the HTTP request is accompanied by postback data containing a __VIEWSTATE or __EVENTTARGET parameter. If th...
Friday, September 23, 2005

.NET Remoting fundas

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Developers often get confused when they see the following methods (all sound the same). RegisterWellknownServiceType() RegisterWellknownClie...

Diff btw "protected" access specifier in Java and .NET

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In Java, when a class is declared as 'protected', it is also given 'package' access automatically. i.e. a protected member c...
Tuesday, September 20, 2005

Improving the performance of Eclipse

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I often used to get frustrated with the speed of eclipse on my machine. Then I heard from my friend how I can increase the initial memory al...
Friday, September 16, 2005

Eating Ur own dog food :)

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I came accross this slang many a times over the last few years. So what does "eating Ur own dog food " mean? “A company that eats ...
Thursday, September 15, 2005

How do download managers work?

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I have often wondered how download managers worked? I wanted to know the internal working that makes it possible for these components to dow...

Accessing Windows Registry using Java

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I always wished someone could provide me with a neat API for accessing the windows registry using Java. I did not want to get into the nitty...
1 comment:
Monday, September 12, 2005

Recursively adding files to Clearcase.

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Recently I wanted to add a whole directory struture to Clearcase VOB and I was suprised to see that the Graphical Explorer did not have a op...
1 comment:
Friday, September 09, 2005

Double checked Locking idiom and the Singleton pattern.

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I have seen a lot of programs using the double-checked locking pattern in their singleton classes to avoid the overhead of synchronization f...