Problem Triangle, square, pentagonal, hexagonal, heptagonal, and octagonal numbers are all figurate (polygonal) numbers and are generated by the following formulae: The ordered set of three 4-digit numbers: 8128, 2882, 8281, has three interesting properties. The set is cyclic, in that the last two digits of each number is the first two digits of the [...]

Well, last year’s F# tour was so much fun, I figured I would try to do it again, in Europe this time. I am becoming quite fond of F# tourism: after all, what better way to discover a place than going there and meeting locals who happen to have at least one common interest – and spread the F# love in the process? Anyways, if everything goes according to plan, I should be visiting F# communities in 7 different countries in 6 weeks :) As an aside, if you are running a meetup/user group that is somewhat on my[...]

Bit Syntax in Erlang One of the often under-appreciated features of Erlang is its Bit Syntax for parsing and pattern matching binary data at a bit level. For instance, to pare TCP segments you can write something along the line of: The same capability can be applied to anything binary protocols, such as video encoding, [...]

I love this part of the year, there are great conferences happening between now and Feb, and I’m honoured to have been accepted as speaker to some of these amazing events.   Functional Finance (London) Oct 31st I’ll be giving a talk on taming complex APIs with F#-powered DSLs, using a number of popular AWS [...]

It’s been a little while since I last spent time with Elm, and since Elm 0.13 was recently announced so what better time to get my Elm hat back on and see what’s new. There’s a new-look online debugger which looks prettier than before: but more important than that, is the new Elm Reactor command [...]