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Tuesday, April 07, 2009 10:42 AM

Technical Presentation Tip

I’m no Scot Hanselman , but even then I guess I can share at least one tip for delivering technical presentation that has worked very well for me. At the very beginning of your presentation always have a slide clearly calling out what the attendees will
Posted by abhinaba | 0 Comments
Monday, April 06, 2009 10:42 AM

Floating point operations in .NET Compact Framework on WinCE+ARM

There has been a some confusion on how .NETCF handles floating point operations. The major reason for this confusion is due to the fact that the answer differs across the platforms NETCF supports (e.g. S60/Xbox/Zune/WinCE). I made a post on this topic
Posted by abhinaba | 2 Comments
Monday, March 30, 2009 10:42 AM

How many heaps does the .NET Compact framework use

While discussing the memory architecture with an internal customer, he inquired about how many heaps .NETCF creates. I’m not sure how it might be helpful to users, but the answer is 5. This has been touched upon in some blogs and presentations (e.g. MEDC
Posted by abhinaba | 0 Comments
Monday, March 23, 2009 10:42 AM

.NET Compact framework GC Quantum

In my post When does the .NET Compact Framework Garbage Collector run I mentioned that one of the causes for starting a garbage collection is that 1 MB of data has been allocated from the last garbage collection. Essentially we keep a counter which is
Posted by abhinaba | 4 Comments
Wednesday, March 04, 2009 10:42 AM

Small Basic

Today my father in law started teaching my 4 year old daughter how to write in Bengali which is her native language. Below is the screen shot of her attempt to write অ আ ই , the first character is written by her teacher and the rest by her. This got me
Posted by abhinaba | 3 Comments
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Tuesday, March 03, 2009 10:42 AM

Back To Basics: How does the GC find object references

This post is Part 9 in the series of posts on Garbage Collection (GC). Please see the index here. Most garbage collection algorithms needs to know all other objects referenced by a given object to correctly traverse object hierarchy. All of reference
Posted by abhinaba | 4 Comments
Monday, March 02, 2009 10:42 AM

Back To Basics: Generational Garbage Collection

This post is Part 8 in the series of posts on Garbage Collection (GC). Please see the index here. One of the primary disadvantage discussed in the post on mark-sweep garbage collection is that it introduces very large system pauses when the entire heap
Posted by abhinaba | 5 Comments
Friday, February 20, 2009 4:42 PM

Back To Basics: Handling overflow in mark stage

This post is Part 7 in the series of posts on Garbage Collection (GC). Please see the index here. Let’s first recap the basic algorithm of the mark-sweep garbage collection . In C like pseudo code the algorithm looks like void GC() { HaltAllThreads();
Posted by abhinaba | 3 Comments
Monday, February 09, 2009 10:42 AM

Back to Basics: Optimizing reference counting garbage collection

This post is Part 6 in the series of posts on Garbage Collection (GC). Please see the index here. One of the comments on my previous post on reference counting GC prompted this post. The comment goes as “Ref counting GC seems to have some hard issues.
Posted by abhinaba | 5 Comments
Monday, February 02, 2009 10:42 AM

Back To Basics: Copying Garbage Collection

This post is Part 5 in the series of posts on Garbage Collection (GC). Please see the index here. In my previous post I have discussed reference counting and mark-sweep garbage collector in some detail. This post is a quick intro into the copying GC.
Posted by abhinaba | 5 Comments
Tuesday, January 27, 2009 10:42 AM

Back To Basics: Reference Counting Garbage Collection

This is Part 3 in a series of post on GC, visit the list here . Reference counting (refcounting) GC is one of the two primary GC mechanisms widely used. The basic workings of this GC is pretty simple and based on counting the number of reference to a
Posted by abhinaba | 6 Comments
Sunday, January 25, 2009 3:28 PM

Back to basic: Series on dynamic memory management

After becoming the .NET Compact Framework (.NETCF) dynamic memory management module owner I am continually learning a lot about the subject. Based on hallway discussion I figured out that a lot of developers are not very clear about the subject and would
Posted by abhinaba | 4 Comments
Thursday, January 22, 2009 10:42 AM

Windows 7 rocks

Ok I know this blog is not about Windows but I thought I’d share the love. To me it looks like as is someone has combed through the entire user experience and fixed most of the stuff that bothered me. The taskbar change alone are good enough for the upgrade.
Posted by abhinaba | 0 Comments
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Monday, December 15, 2008 12:46 PM

When the spell checkers attack

Today Boing Boing had a post about the Cupertino effect in which spell-checkers erroneously change valid words. I had worked on Adobe Acrobat and Adobe FrameMaker 's spell checking feature and do happen to appreciate the headache with getting them right.
Posted by abhinaba | 0 Comments
Friday, November 14, 2008 10:42 AM

Is interlocked increment followed by comparison thread safe?

Sorry about the blog title, my imagination failed me :(. In our internal alias someone asked the question "Is the following thread safe" if(Interlocked.Increment(ref someInt) == CONSTANT_VAL) { doSomeStuff(); } My instant reaction was no because
Posted by abhinaba | 8 Comments
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