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Sealed overridden methods in Mono - faster?

I had a discussion with some friends at Lab49 about the merits of sealed overridden methods in C# (and .NET) and the discussion ended with some comments about it probably not helping with performance at least.
The problem is that I do remember having seen that the JIT for .NET creates more efficient code for sealed […]

AJAX and IE caching problems

I spent hours today trying to make IE 6.0 less intelligent. I.e., to get it not to cache the AJAX responses.
The first attempts, to include
PLAIN TEXT
HTML4STRICT:

<meta http-equiv="Pragma" content="no-cache" />

in the head portion of the HTML sent back to the client was laughed at by IE 6.
So, I use a search engine called Google to [...]