Let's measure how much multimethods are slower that protocols: multimethods are roughly as fast as protocols clojure maps as fast as records "class" notation is in order of magnitude slower than "map" notation

This post is to be filed in the “useless but fun” category. A friend of mine was doing some Hadoopy stuff a few days ago, experimenting with rather large sparse matrices and their products. Long story short, we ended up wondering how sparse the product of[...]

In natural language processing (NLP), one of the first steps is to find the ‘stems’ of words from the ‘paradigm’ forms found in regular text. For example “construction” and “constructing” are paradigms of the stem “construct”. (Note there is a … Continue [...]

In natural language processing (NLP), one of the first steps is to find the ‘stems’ of words from the ‘paradigm’ forms found in regular text. For example “construction” and “constructing” are paradigms of the stem “construct”. (Note there is a … Continue [...]

you know Hoogle – don’t you? In case you don’t Hoogle is a search-engine where you can look for Haskell functions. You can use with it’s web-interface and there are a couple of plugins (for GHCi, etc.) The great thing … Continue reading →

A brief summary of what happened in the blogs last week: Released new F# Online Tutorial F# 3.0 Rich Functional Programming Talk Mono 3.0 is out! .NET Rocks – Don Syme and Keith Battocchi Bring F# Everywhere Updated F# Language Specification for F# 3.0 No[...]

Razor is a programming syntax for dynamic ASP.Net web pages released in 2011. Here’s a C# syntax example from W3 Schools: <!-- Single statement block --> @{ var myMessage = "Hello World"; } <!-- Inline expression or variable --> <p>The value of myMe[...]

In general, when you see async void in your code it’s bad news, because: you can’t wait for its completion (as mentioned in this post already) any unhandled exceptions will terminate your process (ouch!)   Suppose you have a timer event that fires every o[...]