Published: 27 July 2020
Tags: machine learning
Backpropagation is one of the fundamentals of machine learning. Understanding it is required if you want to do any sort of real development in the field, rather than being a script kiddie. In this article, Jinay Jain introduces the concept and uses pictures to give an intuitive explanation of its intricacies.
Published: 14 December 2020
SQL is a powerful language that can go much beyond simple querying. Although personally I like to keep anything too complex out of the DB, there are some functions that it does very well (like aggregates and filtering). Jason Porritt has written an extensive article with plenty of examples on CTE functions in Postgres and how they can help optimize performance over views.
Published: 13 December 2020
Tags: math, python
The Fourier Transform is actually pretty awesome, because it lets you switch between time and frequency domains for functions. It's one of the wonders of signals and math that sometimes make me miss electrical engineering. Well in this article, Conrad Ludgate goes about optimizing the FT in Python, showing some neat tricks along the way.