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> - Use LINQ cautiously as its variants are mostly slower than explicit coding. E.g. .Any() vs .Count == 0

Is this really true for the example? To me it seems that the implementation for .Any actually uses .Count when available, see https://github.com/dotnet/runtime/blob/main/src/libraries/Sy...

luan42on Using Self-Organizing Maps to Solve the Traveling Salesman Problem

Nice writeup Diego ;)

I worked with Diego (the author) on a first version of this, since it was a project in the course "Artificial Intelligence Programming" IT3105 at NTNU in Trondheim, Norway where we both stayed in our Erasmus a year ago.

While it is not very sophisticated to use SOMs for this problem, it was rather meant as an implementation exercise. And TSP allows a graphical representation of the process, which is nice too. That said, we spent way too much time in the course implementing and fine tuning Genetic algorithms...

luan42on Ask HN: Why do companies outside the US pay so much less?

That is just not true. Look at the numbers, and not on your feeling you get from the news. For I stance start with the number of bullets fired by police!

luan42on Announcing new tools, forums, and features

"Gitlab CEO here"

luan42on Riffle: an efficient communication system with strong anonymity

With no real reaction after the NSA leaks and with people in various governments trying somehow to criminalize encryption and anonymity, this is exactly what we need. We don't need another centralized Google/Facebook/etc. powered application.

luan42on Alchemy Micro-Service Framework: Using RabbitMQ Instead of HTTP

So what is the solution then?