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News & links about Python programming.
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yaml: while constructing a mapping found unhashable key

In this post you'll find out what "while constructing a mapping found unhashable key" PyYAML errors mean, why they happen, and what you can do about it.

https://death.andgravity.com/yaml-unhashable-key
Web Development with Python Tutorial – Flask & Dynamic Database-Driven Web Apps

Learn how to develop Dynamic Database-Driven Web Apps with Python, Flask, and MySQL. This course is broken up into two parts. In part one, you will learn how to build and deploy a site using the Flask Python web framework. In part two, you will connect the Flask application from the first part to a cloud MySQL database and learn how to deploy a production-ready database-driven web application.

https://www.youtube.com/watch?v=yBDHkveJUf4
AlphaZero from Scratch

In this machine learning course, you will learn how to build AlphaZero from scratch. AlphaZero is a game-playing algorithm that uses artificial intelligence and machine learning techniques to learn how to play board games at a superhuman level.

https://www.youtube.com/watch?v=wuSQpLinRB4
Web Scraping LinkedIn Jobs using Python

In this tutorial, we will extract data from Linkedin, and since it does not provide any open API for us to access this data then are only choice is to scrape it. We are going to use Python 3.x.

https://www.scrapingdog.com/blog/scrape-linkedin-jobs/
How to migrate from Django’s PostgreSQL CI Fields to use a case-insensitive collation

If you upgrade to Django 4.2, you may see system check warnings fields.W906. In this post we’ll cover why this has changed, and how to perform the necessary migration. You can actually migrate from Django 3.2, and may want to, because the alternative uses more accurate and flexible Unicode rules.

https://adamj.eu/tech/2023/02/23/migrate-django-postgresql-ci-fields-case-insensitive-collation/
Show HN: Codon: A Compiler for High-Performance Pythonic Applications and DSLs [pdf]

https://regmedia.co.uk/2023/03/11/mit_codon_paper.pdf