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🪐 What’s happening in tech today, July 16, 2025?

The HackerNoon Newsletter brings the HackerNoon homepage straight to your inbox. On this day, First Atomic Bomb Detonation in 1945, Apollo 11 Mission Launches in 1969, Amazon Opened For Business in 1995, and we present you with these top quality stories. From Code Smell 307 - Naive Time Assumptions and How to Fix It to The Web3 Development Writing Contest by GetBlock and HackerNoon: Results Announcement 🎉, let’s dive right in.


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tech-stories

Teaching Your AI to Read: A Guide to Scraping, RAG, and Smart Data Insights

TL;DR Build an AI assistant with RAG: scrape with Firecrawl, create vector embeddings, and store in Pinecone to query custom web data via natural language.

By @pigivinci [ 14 Min read ]

Of course, a new set of challenges arise: what about hallucinations? If we don’t see the underlying number of an answer, can we be 100% sure that the answer is correct?

The two approaches have different pros and cons:

Fine-Tuning:

Retrieval-Augmented Generation (RAG):..

Read More

web3

The Web3 Development Writing Contest by GetBlock and HackerNoon: Results Announcement 🎉

TL;DR The Web3 Dev Contest results are in! See who won from $5,000 for top stories in the blockchain APIs, dApp development, and GetBlock tutorial categories.

By @hackernooncontests [ 4 Min read ]

Welcome one, welcome all, to the results announcement of the Web3 Development Writing Contest presented by Getblock and HackerNoon!

Category

Prize

Best #blockchain-api story

$2,500

Best #dApp-development story

$1,500

Best #getblock-tutorial story

$1,000

Hearing About HackerNoon Writing Contests for the First Time?

Let’s meet our finalists!..

Read More

programming

Code Smell 307 - Naive Time Assumptions and How to Fix It

TL;DR Time is not absolute. Your code breaks when you treat it that way.

By @mcsee [ 7 Min read ]

Don't reinvent time. You are probably doing it wrong

TL;DR: Time is not absolute. Your code breaks when you treat it that way.

You think a day has 24 hours, weeks begin on Monday, or February always has 28 days.

Programmers often struggle with time management.

Without Proper Instructions..

Read More

programming

How Grammarly and Kasta Made Ukraine a Global Clojure Hotspot

TL;DR Grammarly’s AI engine and Kasta’s e-commerce platform showcase functional programming at global scale.

By @artfreshcode [ 4 Min read ]

The success of Grammarly demonstrates that Ukrainian companies can make products of global quality and maintain a solid technical foundation within Ukraine. Even after raising hundreds of millions of dollars and establishing offices in San Francisco, New York, and Vancouver, the company continues to invest heavily in Ukraine...

Read More

society

What Losing a 125K-Member Reddit Community Taught Me! The Digital Wake-Up Call I Didn’t See Coming

TL;DR Heres a story of how my 125K-member FireStick Reddit community was suddenly wiped out by Reddit.

By @blackjoseph044 [ 6 Min read ]

I'm Black Joseph, the creator ofFireStickHacks.com and the moderator of what was once one of the largest and most active FireStick communities on the internet, a subreddit called r/FireStickHacks.

The subreddit wasn’t just about streaming, but it was about solving the everyday problems FireStick users face...

Read More

Additional Stories of your interest:

-PKM + Obsidian: The Tech Stack for Your Brain You Didnt Know You Needed

-Crypto Innovation Is as Much About People as Protocols, Says Scroll’s Raza Zaidi

-Mens Health is Too Important to Be Left to Online Cowboys

-Navigating MySQL Data Types: Sets and Enums

On This Day

First Atomic Bomb Detonation

The first atomic bomb, Trinity, was detonated in a test at Alamogordo, New Mexico, as part of the Manhattan Project.

Poll Of the Week

Should regulators step in to curb the dominance of OpenAI, Anthropic, and Google in the AI race?

As OpenAI, Anthropic, and Google DeepMind push the frontiers of artificial intelligence, critics warn of a growing concentration of power. Startups and open-source labs are struggling to compete, raising concerns about innovation bottlenecks, transparency, and long-term safety. Meanwhile, regulators in the U.S. and EU are beginning to scrutinize how AI models are developed, distributed, and monetized. Should governments intervene — or is the market still open enough to self-regulate?

Yes — the AI oligopoly is dangerous
No — competition will sort it out
Only if smaller labs are being actively blocked
Not sure — too early to tell

🧑‍💻 What happened in your world this week?

It's been said that writing can help consolidate technical knowledge, establish credibility, and contribute to emerging community standards. Feeling stuck? We got you covered ⬇️⬇️⬇️

Click Here to Be Interviewed on HackerNoon

We hope you enjoy this 66 minutes 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 ✌️

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