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Discoveries This Week 01/09/2008

Posted Friday, January 09, 2009 11:37 AM by RickM
It’s been a very exciting week. I actually had more things to post than time would allow me to write about. I’ll have to save them for next time. Blog: Daniel Spiewak’s What is Hindley-Milner? (and why is it cool?) Hindley-Milner is the algorithm all Read More...
3 Comments

Much ado about nullity

Posted Friday, October 24, 2008 10:07 AM by RickM
I read an interesting article this morning by Reinier Zwitserloot on the topic of null subtypes in statically typed languages . The issue is that in Java and C# there are a number of different type modifiers for dealing with the concept of nullity. Because Read More...
4 Comments

Avoiding the Dangers of Ambiguously Defined Data-Types

Posted Friday, October 03, 2008 11:10 AM by RickM
When you are handed a string, integer, or any value type, can you know what it really represents? Can you define the range of appropriate behaviors for that data? Can you tell if it's formatted correctly? The problem is, in all of these cases, you can't. Read More...
11 Comments

F# at Code Camp 10 In Waltham, MA

Posted Friday, September 19, 2008 4:02 PM by RickM
I'll be at New England Code Camp 10 tomorrow giving another talk about functional programming and concurrency in F#. It will be fairly similar to my previous talks in terms of ideas and content, however, I have put a lot of work into making the functional Read More...
1 Comments
Attachment(s): September 19th Presentation.zip

Changing Your Garbage Collector Settings on the Fly (.NET Memory Management: Part 5)

Posted Wednesday, August 20, 2008 4:39 PM by RickM
It has come to my attention via a recent DZone article that .NET 3.5 and 2.0 SP1 jointly included a new feature which lets you manipulate the way your garbage collector acts programmatically. This can be done through changing the value of a new property Read More...
7 Comments

A .NET Assembly for Cloning Objects with Arbitrary Field Value Changes: IcManipluator

Posted Friday, July 11, 2008 2:45 PM by RickM
After my last post, A Safe and Asynchronous One to Many Stream Copy Through IL and Inheritance ”, I ordered a few books and spent some time playing with generating IL. Along the way I’ve developed a library which allows you to make a franken-clone of Read More...
3 Comments
Attachment(s): IcManipulator.zip

A Safe and Asynchronous One to Many Stream Copy Through IL and Inheritance

Posted Thursday, June 26, 2008 6:32 PM by RickM
Because .NET Streams have state, they are difficult to use in multithreaded environments. In this post I discuss ways to manage or work around problems arising from the statefulness of .NET Streams. I explain how this is possible both through traditional Read More...
2 Comments
Attachment(s): MemoryStream Test.zip

The Cursed History of Smalltalk in .NET

Posted Wednesday, June 18, 2008 4:44 PM by RickM
After my last blog post, due to some of the responses, I decided to spend some time with Smalltalk. As a DotNET developer by trade, I wanted to see what kinds of options were available for use on the CLR. Unfortunately, out of the five different DotNET Read More...
4 Comments

Why Are Our Programs Still Represented by Flat Files?

Posted Friday, June 06, 2008 3:45 PM by RickM
It's time to leave the secondary, external structure of our programs behind. If you can treat the reflected code from a programming language like an abstract data structure, why can’t you just keep the source itself in a similarly abstracted data structure? Read More...
33 Comments

Choosing the Right Garbage Collector Settings for Your Application (.NET Memory Management: Part 4)

Posted Wednesday, May 14, 2008 2:11 PM by RickM
Tuning the garbage collector to the specific context of the particular application can significantly improve the performance of both non-threaded and multi-threaded applications. In this post I discuss the gcConcurrent and gcServer settings which allow Read More...
5 Comments

Custom Serializing Objects for Use in a Debugger Visualizer

Posted Wednesday, May 07, 2008 3:02 PM by RickM
I have a new CodeProject article up which details how to make a Debugger Visualizer in the case where you need to custom serialize the object. The actual classes I build in the tutorial are only useful with our DotImage project line. However, the process Read More...
0 Comments
Attachment(s): image001.jpg

10 Hours in F#: Exploring Concurrency Through An Ant Colony Simulation

Posted Friday, April 25, 2008 3:33 PM by RickM
Synopsis I gave an hour long talk today, here at Atalasoft, on Concurrency in F# . It featured some slides and a small ant colony simulation to demonstrate different kinds of threading. Overall, I liked developing in F# quite a bit; however, puzzling Read More...
15 Comments

Increasing the Size of your Stack (.NET Memory Management: Part 3)

Posted Tuesday, April 22, 2008 1:45 PM by RickM
In the previous article I discussed a few of the benefits of stack allocation as well as a couple of C# keywords which help you to leverage those benefits. However, the one megabyte default stack size is too small for stack allocation to be used with Read More...
5 Comments
Attachment(s): Kernel32CreateThread.zip

Improving Performance Through Stack Allocation (.NET Memory Management: Part 2)

Posted Tuesday, April 15, 2008 11:06 AM by RickM
Articles in This Series Part 1 – Basic Housekeeping Part 2 – Improving Performance Through Stack Allocation Part 3 – Increasing the Size of your Stack Part 4 – Choosing the Right Garbage Collector Settings Part 5 – Changing Your Garbage Collector Settings Read More...
8 Comments

Counting Processors in .NET: The Pros and Cons of Five Different Methods

Posted Tuesday, April 01, 2008 2:54 PM by RickM
There are a great number of different ways to count the number of processors available to the .NET developer. In this post I will go over some of the more common methods and their pros and cons. The Envirionment.ProcessorCount Way Code: Environment .ProcessorCount; Read More...
4 Comments
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