~hackernoon | Bookmarks (1961)

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

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

A fictional CEO learns the real-world importance of blockchain nodes—decentralized computers that validate transactions and prevent financial fraud through consensus.

Learn about the development of a multi-stage Langchain agent for MySQL, including the challenges faced and lessons learned.

CNN's John Sutter shares four stories of people he's done business with who were deeply unwell psychologically. Sutter: "I ask myself whether it's a degree of insanity within myself that has attracted these people and circumstances"

HIKMICRO showcased its game-changing "digital system" concept at the IWA Outdoor Classics 2025 in Nuremberg. The company, known for its cutting-edge digital optics, has introduced an integrated technological ecosystem that enhances every aspect of the hunting experience.

In this blog, we will outline the step-by-step journey to establish a successful cybersecurity career—from the fundamentals to becoming an expert.

Learn how to perform a basic vulnerability scan using free tools like Nmap & Nikto. A simple step-by-step guide to find and fix security flaws.

iAsk AI just passed half a billion searches. That’s not a typo. 500,000,000+ questions asked, problems solved, papers summarized, and headaches avoided.

Tonga’s digital government is broken. From Gmail addresses to insecure sites, here’s why basic tech standards could transform public services for everyone.

Discover how blockchain can help decentralize and democratize AI through open data, decentralized storage, and community-driven governance.

Go 1.24 comes with many improvements over Go 1.23. The language now fully supports type aliases. The standard library now includes mechanisms to facilitate FIPS 140-3 compliance.

Explore how DAI maintains its $1 peg through smart contracts, market belief, and simulations—plus key risks affecting stablecoins in volatile DeFi markets.

Explore how DAI maintains its $1 peg through smart contracts, market belief, and simulations—plus key risks affecting stablecoins in volatile DeFi markets.

Explore how DAI maintains its $1 peg through smart contracts, market belief, and simulations—plus key risks affecting stablecoins in volatile DeFi markets.

Explore how DAI maintains its $1 peg through smart contracts, market belief, and simulations—plus key risks affecting stablecoins in volatile DeFi markets.

Explore how DAI maintains its $1 peg through smart contracts, market belief, and simulations—plus key risks affecting stablecoins in volatile DeFi markets.

This article explores how modern tech companies systematically filter out high-agency, systems-level thinkers by design. Through tools like LeetCode, Go, and React, the industry scales control and predictability—at the cost of judgment, abstraction, and architectural insight. If you're the kind of mind that sees the whole, you're not a fit by accident—you’re filtered out on purpose.

Tired of digging through long PDFs? This guide walks you through building a basic "Ask My Book" bot using a RAG pipeline — where your questions are answered based on actual book content, not guesswork. You’ll learn how to chunk your book, embed it with Cohere, store it in Pinecone, and generate accurate responses with Gemini. Beginner-friendly and powerful!

When I started out as a BA, we were taught to treat documentation like gospel. But in an Agile world, usefulness doesn’t come from a polished doc. What they needed was me, in the room, talking with them.

While Vaadin offers built-in themes like Lumo, customizing themes is often necessary to align the application’s appearance with branding requirements.

Theming is a fundamental aspect of any Vaadin application, allowing developers to define the look and feel of their UI.