Meetup Report: Kata night

Two days ago, I went at a Crafting Software Meetup at Arolla. The goal was to join other developers and improve our skills as a group by practicing kata. A large majority of us were debutant. So after a difficult start on an exercise that was definitively out of our league, we decided to play... Continue Reading →

Accumulating your merge sort

In the previous post, we described an elegant algorithm that allows to stable sort a container based on fold (also known as std::accumulate or reduce). To make it simpler, we implemented it in Haskell and used it to merge lists. The subject of today's post is to: Implement this algorithm in C++ Make it work... Continue Reading →

Folding your merge sort

Back in September 2016, I was lucky enough to attend a talk from Ben Deane entitled std::accumulate: Exploring an Algorithmic Empire. In this talk, he presents the unknown possibilities of std::accumulate, an algorithm also known as fold or reduce depending on the language. The arguments were already quite compelling... then came the slide in which... Continue Reading →

Meetup Report: The philosophy of FP

Yesterday, I attended a meetup at Arolla, where Arnaud LEMAIRE (@lilobase) did a wonderful talk on the philosophy of Functional Programming. You can find the slides of the presentation here. The presentation was an introduction to the concepts behind Functional Programming. It went over the pillars of FP, one by one, before concluding with practical... Continue Reading →

Algorithms as design tools

Today's post is about a true war story. The story of some hard to read and slow code, patiently reworked to get faster and more readable version of it. This post will first walk through the steps it took to get there. Then we will step back and conclude by discussing a trick I found... Continue Reading →

Exploring Fizz Buzz

Nowadays, most developer candidate will face an algorithmic based puzzle at their hiring technical interviews. One of the favorite exercise of recruiters is the Fizz Buzz exercise. The first time a colleague of mine introduce this exercise to me, I thought it was a dumb exercise. Then he showed me how to do it. And... Continue Reading →

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