K-Means Clustering in Scala
Talk given to blip.pt introducing functional programming in Scala and explaining how the k-mean clustering algorithm works.
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I then build the k-means implementation in Scala as an example on how to follow functional principles when writing code.

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Coding Interview Workshop
Coding interview workshop given at Le Wagon coding boot camp in Lisbon.  We first go though a short introduction and then see 4 simple coding puzzles.
Git hub link: https://github.com/cutajarj/CodingInterviewProblems
Solutions for the above are under the branch "solutions"

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Time Zones and DST for Coders
Talk given at the http://porto.codes meetup. Unfortunately my mic didn't work and had to make due with the camera's mic, which wasn't great. Anyways I've added subtitles.
How many times, as a developer, have you had to deal with a timezone or daylight savings bug? In this talk we describe various problems, examples and solutions to timekeeping in global applications.