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🪐 What’s happening in tech today, March 21, 2025?

The HackerNoon Newsletter brings the HackerNoon homepage straight to your inbox. On this day, The World’s First Tweet in 2006, and we present you with these top quality stories. From Swift init(), Once and for All to Your Next Content Breakthrough Isn’t on Google—It’s Buried in Your Last 10 Customer Calls, let’s dive right in.

By @badmonster0 [ 8 Min read ] Tutorial on indexing codebase for RAG with CocoIndex and Tree-sitter: chunking, embedding, semantic search, and build vector index for efficient retrieval. Read More.

By @willrrr [ 10 Min read ] The evolution of cryptocurrencies from their advent to their current, degenerate, state and some food for thought on where we are. Read More.

Your Next Content Breakthrough Isn’t on Google—It’s Buried in Your Last 10 Customer Calls

By @aryawrites [ 4 Min read ] Vertical SaaS content doesn’t have to be boring. Tap into customer calls to build sharp, problem-first messaging that actually converts. Read More.

Swift init(), Once and for All

By @kfamyn [ 19 Min read ] Learn everything about Swift initializers — convenience override, saving memberwise initializer, required init() use cases, parameterless UIView() and more! Read More.

Why Women Managers Have to Overperform (And How It’s Costing Businesses Talent and Innovation)

By @MelvinTalk [ 3 Min read ] Entrepreneur Asia Solnyshkina explores why women managers overperform, the hidden costs to businesses, and how workplace flexibility boosts talent innovation Read More.

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We hope you enjoy this worth of free reading material. Feel free to forward this email to a nerdy friend who'll love you for it.See you on Planet Internet! With love, The HackerNoon Team ✌️