Posts
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Setting up a modern mail server on Ubuntu 18.04
- 11 minute read
As my old mailserver crashed a few weeks ago for reasons related to it being a Raspberry Pi, I’ve had to quickly recreate one to receive a very important email in an hour. I found that most of the online tutorials to set up a proper mailserver are quite incomplete and outdated, so here’s my take on how to set it all up.
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The IMO 2011 windmill problem
- 13 minute read
A recent video by 3Blue1Brown (previously seen generating Pi from bouncing blocks) introduced me to an interesting problem from the 2011 International Mathematical Olympiad. The problem (described below) describes a windmill process where a line rotates through a cloud of points, switching pivots whenever it hits a new point.
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Debugging the Prestashop mail configuration
- 6 minute read
A client that will remain nameless has a brand new Prestashop (don’t mind the pixels in the logo) that he’s really happy with. He’s been able to set it up mostly by himself, except for the mail server, which was being rather fussy.
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Bouncing blocks gives you Pi
- 1 minute read
The YouTube channel 3Blue1Brown recently uploaded a video where they give the following situation: we have two sliding blocks and a wall on the left. The first block starts out motionless, and the second block comes in sliding from the right.
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A rusty Advent of Code 2018
- 14 minute read
Like any year since 2015, when December rolled around my productivity plummeted. It’s time to waste all my hours perfecting a program solving a problem that no one needs solved. Hello Advent of Code 2018. If you haven’t read my previous posts and haven’t heard of Advent of Code before, consider checking them out first. If you just want to see the actual code, you can find it on Github.
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