Using MongoDB and Haskell


Posted on Tuesday, July 15, 2014

Haskell is a fun language. I've just started learning it and it's been a bit of a bumpy start because of the unfamiliar syntax. There are a lot of funny symbols to get accustomed to, new concepts and a unique type system (hey maybe it's not unique, but compared to most mainstream languages it definitely feels that way).

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Yield Return in C#


Posted on Wednesday, April 23, 2014

In c# you can use yield return instead of declaring a collection, adding to it then returning it all at once. The code ends up looking a lot cleaner as you can see in the examples below.

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Guide to Writing Custom Functions in Excel - Part IV XLL Add-in


Posted on Friday, July 29, 2011

We've looked at VBA, Automation Add-ins, and RTDs in previous posts. XLLs are significantly faster, and allow the developer to define the names/parameters of the functions. They're also not that difficult to implement, although setting up the definitions of your functions can be a bit tricky. Unlike the other C++ add-ins, the XLL is not a COM server, it uses the Excel C API.

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