Script developers can declare constants, variables, functions and classes at global scope by writing the appropriate lines of code. Script hosts (Internet Explorer, ASP, WSH, etc) however can only add objects to the script engine’s global scope. For practical...

(Sorry about the title. I work for Microsoft; we like nouns .) Over a year ago now a reader noted in a comment to this posting that defining named constants using Const in VBScript or var in JScript is way, way faster than importing a type library...

All of this stuff about high dimensional geometry has been known for quite a while. The novel bit that this paper is all about is how to actually build a fast index for searching a high-dimensional space where the query has a strong likelihood of being...

Since we've moved to the new blog system it's harder to browse anyone's complete works. It's convenient for me to be able to rapidly find old postings all on one simple page, and a number of other people have asked me for this, so, here you go. http...

It's reasonably common to have a database containing a few thousand or million points in some high-dimensional space. If you have some "query point" in that space you might like to know whether there is a match in your database. If you're looking for...

I mentioned earlier today that my latest book project has gone to copyediting. To forestall a few questions: Are you the sole author? Good heavens no. Most of the heavy lifting was done by my colleague Eric Carter . I’m just along to make sure that...

My next book project is ready for copyediting, the wedding invitations are sent out, my bug count is under control, I've got a layer of levelling compound poured in the basement, there's no more ivy on my roof, and I’m rigging my sailboat some time this...