The TechBeat: The Communication Habits That Help Startups Build Real Authority (1/10/2026)

How are you, hacker? 🪐Want to know what's trending right now?: The Techbeat by HackerNoon has got you covered with fresh content from our trending stories of the day! Set email preference here. ## Designing API Contracts for Legacy System Modernization By @jamescaron [ 6 Min read ] A practical look at designing API contracts during legacy system modernization, focusing on real production failures and strategies to prevent silent regression Read More.

How Supercell Powers its Massive Social Network with ScyllaDB

By @scylladb [ 6 Min read ] Supercell powers real-time cross-game chat, presence, and notifications for millions using ScyllaDB Cloud, enabling low-latency, scalable events. Read More.

Back to Basics: Database Design as Storytelling

By @dataops [ 3 Min read ] Why great database design is really storytelling—and why ignoring relational fundamentals leads to poor performance AI can’t fix. Read More.

Proof of Usefulness Hackathon: Win $150K+ from Bright Data, Neo4j, Algolia, Storyblok & HackerNoon 

By @proofofusefulness [ 8 Min read ] Proof of Usefulness is a global hackathon powered by HackerNoon that rewards one thing and one thing only: usefulness. Win from $150k! Read More.

10 Noteworthy C and C++ Bugs Found in Open-Source Projects in 2025

By @akiradoko [ 20 Min read ] A roundup of 10 standout C and C++ bugs found in open-source projects in 2025. Read More.

Solo Satoshi Becomes Authorized Canaan Distributor for Avalon Home Bitcoin Miners.

By @opensourcetheworld [ 2 Min read ] Solo Satoshi is now an authorized Canaan distributor, bringing the full Avalon home Bitcoin miner lineup to 40,000+ customers. Start mining Bitcoin at home! Read More.

The Authorization Gap No One Wants to Talk About: Why Your API Is Probably Leaking Right Now

By @drechimyn [ 7 Min read ] Broken Object Level Authorization (BOLA) is eating the API economy from the inside out. Read More.

Complete Ollama Tutorial (2026) – LLMs via CLI, Cloud & Python

By @proflead [ 4 Min read ] Ollama is an open-source platform for running and managing large-language-model (LLM) packages entirely on your local machine. Read More.

Groq’s Deterministic Architecture is Rewriting the Physics of AI Inference

By @zbruceli [ 20 Min read ] Groq’s Deterministic Architecture is Rewriting the Physics of AI Inference. How Nvidia Learned to Stop Worrying and Acquired Groq Read More.

How I stopped fighting AI and started shipping features 10x faster with Claude Code and Codex

By @tigranbs [ 9 Min read ] A deep dive into my production workflow for AI-assisted development, separating task planning from implementation for maximum focus and quality. Read More.

The Communication Habits That Help Startups Build Real Authority

By @lomitpatel [ 11 Min read ] Learn the executive communication skills that build authority, inspire trust, and help leaders speak with confidence in any room. Read More.

Prompt Reverse Engineering: Fix Your Prompts by Studying the Wrong Answers

By @superorange0707 [ 7 Min read ] Learn prompt reverse engineering: analyse wrong LLM outputs, identify missing constraints, patch prompts systematically, and iterate like a pro. Read More.

GitHub Copilot Adds Persistent Memory for Repository-Level Context

By @ainativedev [ 3 Min read ] GitHub is bringing persistent memory to Copilot, which enhances code suggestions and reviews by building on accumulated developer interactions over time. Read More.

Can LLMs Generate Quality Code? A 40,000-Line Experiment

By @anywhichway [ 16 Min read ] Like humans, LLMs generate sloppy code over time - just faster. Learn how to use multi-model reviews and formal code analysis to ensure code quality. Read More.

Sam Altman AI Predictions: Impact on Tech and Society

By @lomitpatel [ 7 Min read ] Explore Sam Altman AI predictions on how advanced AI systems could reshape industries and enhance human productivity. Click to read more!The post Sam Altman AI Predictions: Impact on Tech and Societyappeared first on Lomit Patel Read More.

How to Make Email Marketing Work for You

By @jonstojanjournalist [ 3 Min read ] Ensure your emails are seen with deliverability testing. Optimize campaigns, boost engagement, and protect sender reputation effectively. Read More.

Agentic AI Isn’t a Feature. It’s a Re‑Platforming — And It Will Decide Who Sets the Tone in 2026

By @erelcohen [ 3 Min read ] The future of enterprise AI won’t be decided by the systems people touch. It will be decided by the systems that touch everything. Read More.

CSS is Only Hard Because You’re Doing Too Much

By @dmtrmrv [ 10 Min read ] Start with markup, not styles. Write only the CSS you actually need. Design for mobile first, not as a fix later. Let layouts adapt before reaching for breakpoi Read More.

How to Think Like a Data Systems Engineer: The Questions That Save You Later

By @ayokunle [ 7 Min read ] Learn how engineers think about reliability, scalability, and maintainability—by asking the right questions early. Read More.

The Brain, The Body, and The Blue Screen: Why I’m Quitting Hardware

By @damianwgriggs [ 4 Min read ] I have a visual disability—20/400 vision in my right eye and zero peripheral vision. This makes hardware terrifying. Read More. 🧑‍💻 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 ⬇️⬇️⬇️ ANSWER THESE GREATEST INTERVIEW QUESTIONS OF ALL TIME 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 ✌️