A Visual Tour of Backpropagation

Improve Performance Using SQL Functions in Postgres

Fast AF Fourier Transform (FafFT)

Issue #47

12/15/2020

A Byte of Coding Issue #47
Yo-yo-yo
COVID free like it's 2003, woop woop. Here is the issue.

A Visual Tour of Backpropagation

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.

Read Full Article

Improve Performance Using SQL Functions in Postgres

Published: 14 December 2020
Tags: postgres


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.

Read Full Article

Fast AF Fourier Transform (FafFT)

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.

Read Full Article
Thanks for your Support! 

Thanks to supporters like Євген Грицай, Scott Munro, zturak, pek, and Emil Hannesbo this newsletter is provided to you for free. If you'd like to also show your support and help out, you can donate on the Patreon page. It's not necessary, but it lets me know that I'm doing a good job and that you're finding value in the content.
Donate Here

Stats (updated daily)

Sent: 1440

Opens: 1068

Clicks: 425

Link Clicks Clicks % Unique Clicks Unique Clicks %
A Visual Tour of Backpropagation 180 42.35% 144 42.23
Fast AF Fourier Transform (FafFT) 122 28.71% 97 28.45
Improve Performance Using SQL Functions in Postgres 110 25.88% 93 27.27
Donate Here 13 3.06% 7 2.05

Previous

Back to Issues

Next