Wednesday, February 24, 2010

Ruminating on Requirements Elicitation

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Last night, I was ruminating on the lessons learned during my experience in business architecture, business analysis and requirements elicit...
Friday, February 12, 2010

Migrating applications across platforms

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We often require to migrate applications from one platform (OS/hardware) to an other platform - either as part of a portfolio rationalizatio...
Tuesday, December 15, 2009

What is longitudnal data?

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A dataset is considered to be longitudnal if it tracks the same kind of information at multiple points of time. For e.g. the marks of studen...

Difference between biostatistics and bioinformatics

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Working in the healthcare domain, I often come across the terms - biostatistics and bioinformatics and wondered as to what were the differen...
Thursday, November 19, 2009

Mapping UI controls to entitlements/operations

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In RBAC, we often need to enable/disable a UI control based on the users role and entitlements. Most programmers write code for mapping a UI...
Wednesday, November 18, 2009

XSLT vs XQuery for XML transformations

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During the early years in my career, I had always used XSLT for transformation purposes. Recently I have seen that a lot of applications and...
Monday, October 05, 2009

Use of Constants in code

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Recently there was a big debate during a code reveiw session on the use of constants. The developers had used constants for the following pu...
Friday, September 25, 2009

Cool Cool JS toolbox

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Just found this good website having tons of cool JavaScript tools - free for commercial use too. http://www.dynamicdrive.com/ Check out the ...
Wednesday, September 16, 2009

Should we call Dispose() on a Dataset?

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During one of my code reviews, I saw that the development team had called 'Dispose()' on all the datasets used in the application. I...

Ruminating over XML Schema concepts

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In a recent discussion with my team members, I sensed a lot of confusion over basic concepts on XML Schemas and namespaces - especially over...
Friday, June 26, 2009

Creating a self-signed certificate

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Jotting down the quick commands in .NET and JDK frameworks that can be used to create a self signed certificate. In the .NET framework, open...
Thursday, June 11, 2009

.NET Web Methods Tips and Tricks

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It is possible to pass a parameter by reference to a Web Method? I thought this does not make sense, but behind the covers the .NET webservi...
Tuesday, June 09, 2009

Open Source Application Management Software

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We needed a simple application mangement tool for monitoring our Java applications running on Tomcat servers. My team evaluated the various ...

Passing large .NET datasets across layers

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If your .NET webservice is returning datasets , then you might face performance problems with large payloads consuming the network bandwidth...
Monday, June 08, 2009

Migration Factory

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Recently, I have been hearing a lot of buzz around the term - "Migration Factory". A lot of IT service companies have jumped on th...
Saturday, May 16, 2009

Data compression in .NET

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In .NET, developers often have to choose between 2 options for compression/decompression - GZipStream and DeflateStream. What's interest...
Friday, May 15, 2009

Interoperability when using datasets in .NET webservices

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Datasets are powerful data containers that are very popular in the .NET world. Quite often, a lot of .NET webservices return datasets in the...

XML serialization tips in .NET

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Today, my team ran across a strange issue. Some of the properties on a .NET class were not getting serialized to XML when used in webservice...
Wednesday, May 13, 2009

Java to .NET conversion tools

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Today one of our teams was looking for a Java to .NET conversion tool. They had developed resuable components in Java and the client wanted ...
Friday, May 08, 2009

Async calls in Java and .NET webservices

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Over the past few weeks, the Architecture Support Group that I head at my organization, received quite a few queries on making asynchronous ...
Thursday, April 30, 2009

Smart Client Applications

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Just read this blog entry about Smart Client technology and an architect's dilemma to choose an appropriate client UI technology. I had ...
Sunday, March 15, 2009

Global exception handler in Win Forms and Smart Client

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I always wondered if it is possible to add a global exception handler for a Win Form application. This global exception handler would handle...
Monday, March 02, 2009

Priciples of SOA

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Was reading " Thomas Erl's book - Priciples of Service Design" over the weekend. It's an interesting book with a lucid la...
Tuesday, January 20, 2009

.NET FileHelpers Library

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I came across this cool and simple .NET library that I bet would be useful to everyone - FileHelpers Library 2.0 Very often, we have tasks ...

API for reading/creating Excel files in Java and .NET

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Recently I was trying to find a good library for reading and writing Excel files. In .NET, there were quite a few alternatives. Given below ...
Wednesday, December 10, 2008

Zachman Framework

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It's been some while since I attended John Zachman's seminar in Mumbai... Recently someone asked me what the Zachman framework was? ...
Saturday, November 15, 2008

Updatable views using the 'INSTEAD OF' trigger

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All views are not updatable in a database - especially if the underlying query is a complex one. This article  gives interesting examples of...
Tuesday, November 11, 2008

Cold start Vs Warm start of programs

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We often notice that if we start a Windows Forms application the first time after a system reboot, then the start-up time is quite long. But...
Tuesday, November 04, 2008

Disabling startup programs

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In Windows XP, if you are getting annoyed by the number of programs that start-up when the OS loads, then there is an easy way to disable th...
Friday, October 03, 2008

MVP Vs MVC pattern

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I was recently working on a .NET Smart Client application and came across the 'MVP' (Model View Presenter) design pattern. Having sp...