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News & links about Python programming.
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Procrastinate: PostgreSQL-Based Task Queue for Python

https://procrastinate.readthedocs.io/en/stable/index.html
FastAPI and cooperative multi-threading

Cal Paterson wrote a great article comparing and describing synchronous and asynchronous Python frameworks and explaining why asynchronous frameworks go a bit wobbly under load. This is a story of how we experienced wobbliness in a recent project.

https://aivarsk.com/2022/01/21/fastapi-concurrency/
The fastest way to read a CSV in Pandas

You have a large CSV, you’re going to be reading it in to Pandas—but every time you load it, you have to wait for the CSV to load. And that slows down your development feedback loop, and might meaningfully slows down your production processing. In this post, learn the fastest way to read a CSV in to Pandas.

https://pythonspeed.com/articles/pandas-read-csv-fast/
Building for Balance

How Instacart Marketplace team developed a unified marketplace balancing engine with machine learning and optimization

https://tech.instacart.com/building-for-balance-e61fb9511893