Live from Dublin

Chris Lomont has a detailed reverse-engineering of the 2007 Excel floating point bug [PDF]. “The bug seemed to be introduced when the formatting routine was updated from older 16-bit assembly code used in previous versions of Excel…”

Stefan is continuing his series on Wasabi with a look at picture functions. A “picture function” is a function that looks like a picture of what it generates, e.g.:


Sub MakeTitle( s )

<% =encode(s) %>

End Sub

We just got into the hotel in Dublin and checked out tomorrow morning’s meeting room, and it’s bigger than they told us, with room for 144 people, so we should be able to clear the waiting list.

About the author.

I'm Joel Spolsky, co-founder of Trello and Fog Creek Software, and CEO of Stack Overflow. More about me.