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🪐 What’s happening in tech today, April 14, 2025?

The HackerNoon Newsletter brings the HackerNoon homepage straight to your inbox. On this day, Human Genome Project completed in 2003, First US president assassination in 1865, and we present you with these top quality stories. From LangChain Promised an Easy AI Interface for MySQL—Here’s What It Really Took to This Simple App Lets You See How Hollywood Uses Color to Mess With Your Emotions, let’s dive right in.


The Market Today

#01 Amazon
184.87 +2.67%
#02 Coursera
6.79 +2.50%
#03 Instagram (Meta)
543.57 +1.48%
#05 Facebook (Meta)
543.57 +1.48%
#01 Bitcoin
$84646.88 +1.03%

tech-stories

The only real moat that exists is consumer mindshare, says Friend.com CEO Avi Schiffmann

TL;DR Avi Schiffmann on HackerNoon: It’s mostly millenials+ that try fuck their robots. It’s mostly GenZ younger that are able to view AI as a platonic companion.

By @David [ 4 Min read ]

Me: What is Friend.com?

Avi Schiffmann: Friend is the first product that can actually be called an AI companion. They are palm-sized, always listening devices you can talk to anytime and bring anywhere. Friends remember everything you say, and each develops a distinct personality.\..

Read More

web3

Answer to Win Your Share of $5000: What is a Blockchain Node and How Does it Work?

TL;DR Use this guide to draft your Web3 Development Writing Contest entry on blockchain nodes, their roles, and tools like GetBlock that simplify node management.

By @hackernooncontests [ 2 Min read ]

For the chance to win from $5000 in the Web3 Development Writing Contest, welcomes submissions from developers, blockchain advocates, and writers who can explore key aspects of Web3 development—like how blockchain nodes work, the best ways to scale dApps, multi-chain interoperability, and more...

Read More

programming

This Simple App Lets You See How Hollywood Uses Color to Mess With Your Emotions

TL;DR Learn how color grading works, what color targets are, and build your own palette-based grading tool in React — from scratch and with purpose.

By @nailyasaf [ 8 Min read ]

Why does Joker feel so unsettlingly green and yellow?

Why is Blade Runner soaked in teal and orange?

Why does film make skin look soft and warm?

It’s not magic. It’s color.

In this series, we’ll explore:

correcting unwanted color casts (color correction);..

Read More

programming

This Detective Game Helps Beginners Master SQL and Database Logic

TL;DR A new way to learn SQL: solve crimes using real SQL queries. Build database logic fast with interactive storytelling and gamified practice.

By @hristow [ 2 Min read ]

Like many developers, I've always found traditional SQL tutorials to be tedious. Abstract examples, and little motivation made it hard to stay engaged. As someone who appreciates storytelling, I wondered if there was a better way. Could gamification make learning SQL genuinely enjoyable?

Thanks for reading, and happy querying!..

Read More

programming

LangChain Promised an Easy AI Interface for MySQL—Here’s What It Really Took

TL;DR Learn how I built a multi-stage Langchain agent for MySQL. This article details my journey, challenges, and key steps in creating an intelligent database intera

By @haimeng [ 6 Min read ]

Step 1: Establishing the Foundation with Docker

Step 2: First Queries and the Schema Size Challenge

Step 3: Implementing PII/PHI Filtering via a Dedicated LLM Prompt

Here is the entire diagram after the change

Step 4: Refining Prompts for Raw SQL Generation

Step 5: Enhancing Context with Conversation Memory..

Read More

Additional Stories of your interest:

-This CFO Wrecked His Mercedes Trying to Kill the CEO 3 Other Entrepreneurial War Stories

-You Don’t Own Your Data, But AI Does—and That’s the Problem

-AI is a Dangerous Weapon in the Age of Misinformation

-You’re Building the Wrong Startup: Coders Build Supply, Investors Fund Pain

On This Day

Human Genome Project completed

The Human Genome Project was completed, sequencing the entire human genome with an accuracy of 99.99%. This was a major milestone in the field of genetics, and it has paved the way for many important medical breakthroughs.

Poll Of the Week

Is China's DeepSeek the Biggest AI Breakthrough Yet?

Chinese AI company DeepSeek has taken the tech world by storm with the release of its open reasoning model, R1. It’s said to outperform OpenAI’s models in some areas and cost just $5.6 million to train—way less than the hundreds of millions spent by big players like OpenAI and Google DeepMind. Its success, achieved despite U.S. sanctions, has sparked debates about the future of AI development.

42% Yes, it's a game-changer.

22% No, just impressive.

25% Too early to tell.

9% It's overhyped.

🧑‍💻 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 ⬇️⬇️⬇️

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We hope you enjoy this 46 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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