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General Computing »

[13 May 2008 | No Comment | ]

I’ve been trying to improve my critical thinking abilities of late and to that end, the Skeptic’s Guide the Universe [LINK] has been very helpful. It’s through this means I’ve been re-exposed to the notion of the "logical fallacy". Here’s a link if you’re not familiar with the concept [LINK].
"A logical fallacy is a false or incorrect logical principle. An argument that is based upon a logical fallacy is therefore not valid."
Example A=B and B=C therefore A=C.
A logical fallacy might be A=C and B=D therefore A=B.
There’s …

General Computing »

[5 Feb 2008 | No Comment | ]

My buddy Marc [LINK] is on the panel at next week’s [LINK] 2008 Web Services/SOA on Wall Street (Monday, February 11th).
Here is a blurb about the panel:
Beyond Web 2.0…What Enterprise 2.0 Is…And What It Means For Wall Street

Beyond Web 2.0, Enterprise 2.0 is about deploying these new technologies and social practices in a corporate business context.
This session will explore the drivers pushing Enterprise 2.0 adoption, survey relevant technologies, and discuss how Wall Street and the financial markets are benefiting.
Tom Steinthal, Managing Director, Financial Services, BSG Alliance (Moderator)
Marc Adler, Senior …

Digital Identity »

[29 Oct 2007 | 3 Comments | ]

I have been following along with the Identity story for some time now.
Cardspace as an Identity selector supports two basic models;

Self-Issued Cards in which essentially you act as your own security token service and
Managed cards – in which a trusted third party acts as Identity Provider making assertions around your identity.

I have seen many examples leveraging self-issued cards but relatively few incorporating managed cards. There is a sample STS available on the http://cardspace.netfx3.com website but due to the complex nature of it I’ve found …

General Computing »

[17 Sep 2007 | No Comment | ]

Design Patterns are great and you’ll always hear "architects" throwing words like "pattern", "model view controller", "factory", "singleton", "observer" and "command" around to give their statements a little more weight.  It’s rare you hear anti-patterns discussed however.
A while ago someone made the claim that there was only one way to implement a pattern. This struck me as a remarkable statement as the very word "pattern" implies no specific implementation. A pattern is an abstract notion that has potentially many implementations, that’s what makes it so useful. Most people start …