Jeroen Janssens
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jeroenjanssens.com
Jeroen Janssens
@jeroenjanssens.com
DevRel at Posit. Author of Python Polars: The Definitive Guide & Data Science at the Command Line
I just finished recording an amazing #PydyTuesday Uncut episode with @wesmckinney.com.

We look at scraped GitHub data, untangle deeply nested JSON, and create some sort of pulse signal for various popular GitHub repos.

📽️ Watch the full episode here: lnkd.in/eKtuxAjg
July 21, 2025 at 4:49 PM
I've recorded another #PydyTuesday Uncut session with @mchow.com. Watch the full episode: www.youtube.com/watch?v=kyVS...
July 7, 2025 at 1:25 PM
Our book is out! 🥳

It’s official: 𝙋𝙮𝙩𝙝𝙤𝙣 𝙋𝙤𝙡𝙖𝙧𝙨: 𝙏𝙝𝙚 𝘿𝙚𝙛𝙞𝙣𝙞𝙩𝙞𝙫𝙚 𝙂𝙪𝙞𝙙𝙚 is now available in both ebook and print formats at your favorite bookstore!

📚 Grab your copy now: polarsguide.com
April 2, 2025 at 1:21 PM
🎉 Exciting news! Our book Python Polars: The Definitive Guide is officially off to the printer! 🚀

Can't wait? Visit polarsguide.com, enter your name and email, and we'll send you an email with a link to the first chapter (courtesy of @oreilly.bsky.social).

Stay tuned for the full release! 📚
February 19, 2025 at 8:04 PM