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🪐 What’s happening in tech today, April 1, 2025?

The HackerNoon Newsletter brings the HackerNoon homepage straight to your inbox. On this day, First Satellite Communication System Launched in 1960, Apple Inc. Is Founded in 1976, Gmail is launched in 2004, and we present you with these top quality stories. From Refactoring 025 - Decompose Regular Expressions to Music ML: Clustering on Spotify Audio Features, let’s dive right in.

Music ML: Clustering on Spotify Audio Features

TL;DR Discover how to apply and validate clustering techniques for curating music playlists.

By @darigain [ 7 Min read ]

To tackle this, I used a dataset of ~5,000 songs with Spotify audio features, such as danceability, tempo, and energy. Additionally, I incorporated Last.fm API data to retrieve genre information, enabling external validation of clustering quality.

Our task:..

AI Search Traffic Marketshare for Calling HackerNoon Blogs: 52% OpenAI, 30% Amazon 18% Perplexity

TL;DR Based on millions of monthly requests, HackerNoon found that OpenAI(52%) leads AI Search Market share, followed by Amazon/Anthropic(30%) and Perplexity(18%).

By @David [ 3 Min read ]

Announcing the COBOL Streamhouse

TL;DR COBOL implementation of Apache Kafka and Iceberg.

By @progrockrec [ 4 Min read ]

COBOL (Common Business Oriented Language) still plays a significant role in the world's codebase, particularly in critical business and financial systems. While exact figures vary, recent estimates suggest that the amount of COBOL code still in use is substantial:..

The Paradox of Open Innovation - Chaos, Creation, and Collaboration

TL;DR Contrary to what short-term market movements, toxic headlines, and frantic degens on social media say, we are alive in the most prosperous time in history!

By @andreydidovskiy [ 13 Min read ]

TL;DR

- Tradeoffs of informational liberty invite chaotic consequences.
- Collaboration results in exponential advancements.
- Privatize Gains, Socializing Losses

Contrary to what the short-term market movements, toxic headlines, and frantic degens on social media may say, we are alive in the most prosperous time in the history of humanity...

Refactoring 025 - Decompose Regular Expressions

TL;DR You can break down a complex validation regex into smaller parts to test each part individually and report accurate errors.

By @mcsee [ 5 Min read ]

Make Regular Expressions Testable and Understandable

TL;DR: You can break down a complex validation regex into smaller parts to test each part individually and report accurate errors.

https://hackernoon.com/code-smell-276-untested-regular-expressions?embedable=true

https://hackernoon.com/how-to-find-the-stinky-parts-of-your-code-part-xxv

https://hackernoon.com/how-to-find-the-stinky-parts-of-your-code-part-i-xqz3evd

https://hackernoon.com/how-to-find-the-stinky-parts-of-your-code-part-i-xqz3evd

https://hackernoon.com/how-to-find-the-stinky-parts-of-your-code-part-xxxvii

https://hackernoon.com/how-to-find-the-stinky-parts-of-your-code-part-xx-we-have-reached-100

https://hackernoon.com/how-to-find-the-stinky-parts-of-your-code-part-ix-7rr33ol

You should leave this mechanical task to AI...

Additional Stories of your interest:

-The $120 Tool That Saved Us $120k—And Nearly Killed Our Marketing Culture

-E-volution: An Internet Odyssey

🧑‍💻 What happened in your world this week?

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