Hackernoon

Create secure Snowflake system users with least-privilege roles, optional IP whitelisting, and key pair authentication for safer integrations and automation.

Cut Snowflake storage costs fast by switching ETL staging tables to transient. Learn when to use them, what you lose, and how to audit safely.

Security in distributed systems is often a game of layers. We secure the transport (TLS), we secure the infrastructure (firewalls, VPCs), and we secure the application access (Voters, ACLs). But when it comes to the Messenger component — the beating heart of many modern Symfony applications — there has always been a subtle gap. Once a message … Read more

Aseem H. Salim is transforming global retail infrastructure through advanced POS engineering, AI-driven automation, and systems that cut wait times, reduce waste, and enhance payment security. His innovations bridge legacy and modern platforms, bring machine learning to checkout, and power thousands of stores with scalable, data-driven retail intelligence.

Table of Links Abstract and 1. Introduction Prior Work and 2.1 Educational Objectives of Learning Activities 2.2 Multiscale Design 2.3 Assessing Creative Visual Design 2.4 Learning Analytics and Dashboards Research Artifact/Probe 3.1 Multiscale Design Environment 3.2 Integrating a Design Analytics Dashboard with the Multiscale Design Environment Methodology and Context 4.1 Course Contexts 4.2 Instructor interviews … Read more

You can and should test private methods

Ethereum (ETH) has been retracing sharply, and its approach toward multi-year support zones has prompted renewed activity among larger holders. The token has been revisiting areas that shaped major reversals between 2021 and 2025, and this shift has coincided with an aggressive accumulation trend among whales searching for what crypto to buy now before broader … Read more

Table of Links Abstract and 1. Introduction Prior Work and 2.1 Educational Objectives of Learning Activities 2.2 Multiscale Design 2.3 Assessing Creative Visual Design 2.4 Learning Analytics and Dashboards Research Artifact/Probe 3.1 Multiscale Design Environment 3.2 Integrating a Design Analytics Dashboard with the Multiscale Design Environment Methodology and Context 4.1 Course Contexts 4.2 Instructor interviews … Read more

I often see teams reach for WebSockets (via Socket.io or Pusher) when they simply need to update a UI with server-side state changes. While WebSockets are powerful, they are often overkill. If your requirement is unidirectional (Server → Client) — like stock tickers, progress bars, or notification feeds — Server-Sent Events (SSE) is the protocol you should master. SSE … Read more

:::info Author: KEVIN BUZZARD ::: Table Of Links Abstract Acknowledgements & Introduction 2. Universal properties 3. Products in practice 4. Universal properties in algebraic geometry 5. The problem with Grothendieck’s use of equality. 6. More on “canonical” maps 7. Canonical isomorphisms in more advanced mathematics 8. Summary And References Abstract We discuss how the concept … Read more

Everyone in SEO worships Ahrefs — and rightly so. It’s the industry’s go-to for backlink analysis, keyword research, and seeing exactly how much traffic your competitor’s blog gets for that weird long-tail query from 2018. But if you zoom out a little, you’ll realize something: brand visibility today isn’t just about backlinks or SERPs. It’s … Read more

The Invisible Cost: Pollution as the Missing Line Item Every profitable company has a balance sheet. Assets. Liabilities. Equity. Revenue. Expenses. But there’s one line item that’s been missing for centuries: the cost of pollution. This isn’t an oversight. It’s a fundamental flaw in how we account for value. And it’s not just about corporations—it’s … Read more

The Paradox: We Can Clean Earth, But We Don’t Imagine if you could reverse decades of pollution. Remove billions of tons of CO₂ from the atmosphere. Clean millions of square kilometers of ocean. Restore forests at scale. The good news? We can. The bad news? We’re not doing it fast enough. The technologies exist. Research … Read more

What a 10 PB, 20-year archive really costs in AWS/GCP/Azure vs a tape-backed object store Why long-term preservation is back on the board agenda Most cloud bills started life as rounding errors. A few terabytes here, a backup bucket there, a “just in case” archive for compliance. It looked cheap, flexible, and—critically—someone else’s problem. Fast-forward … Read more

How are you, hacker? 🪐 What’s happening in tech today, December 9, 2025? The HackerNoon Newsletter brings the HackerNoon homepage straight to your inbox. On this day, Smallpox is Declared Eradicated in 1979, Scarface Opened in US Theaters in 1983, US Troops Stormed Mogadishu, Somalia in 1992, and we present you with these top quality … Read more

If you’re a writer looking to sharpen your skills, grow your audience, and turn passion into career opportunities, HackerNoon’s new Blogging Fellowship Course was built for you. We designed it for both beginners and seasoned writers who want to level up – whether that means learning to tell better stories, mastering SEO and self-promotion, or … Read more

AI workflow automation is becoming essential for modern businesses. This guide compares the top platforms of 2026—Make, Tray.ai, Workato, Zapier, and n8n—highlighting their strengths, ideal use cases, pricing, and features to help teams choose the right tool for smarter, faster, AI-powered operations.

Alexandru Godoroja’s journey spans data engineering, music production, and startup building. His company, Vulture Labs, enhances ordinary cameras with human-aware AI—proof that creativity and technology can grow side by side.

This is the last article in the “Clean Code in Go” series. Previous Parts: Clean Code: Functions and Error Handling in Go: From Chaos to Clarity [Part 1] Clean Code in Go (Part 2): Structs, Methods, and Composition Over Inheritance Clean Code: Interfaces in Go – Why Small Is Beautiful [Part 3] Clean Code in … Read more

Efficient loan processing is vital for farmers who rely on timely credit to plant, repair equipment, or keep rural businesses running. This piece follows Karthik Chakravartula’s journey at Farm Credit Bank of Texas, showing how smarter CRM workflows, automation, and streamlined systems cut delays, reduce costs, and ensure loans reach farmers and small-town communities when … Read more

In an engineer’s ideal world, architecture is always beautiful. In the real world of high-scale systems, you have to make compromises. One of the fundamental problems an engineer must think about at the start is the vicious trade-off between Write Speed and Read Speed. Usually, you sacrifice one for the other. But in our case, working … Read more

One of the most common vulnerabilities in a web application is misconfigured authentication, including code errors that allow unauthenticated people to query data. You might think that your application is secure, but every application has bugs, especially as the application codebase continues to expand. Open API endpoints and misconfigured access controls are two common reasons … Read more

“Check out my SaaS directory list” – nobody cares “I Hit 10k MRR in 30 Days: Here’s How” – stop lying “I created an AI-powered chatbot” – no, you wrapped OpenAI’s API “Built my MVP in 48 hours with Cursor” – congrats, so did 50,000 other people this week Most projects we see here are totally useless and won’t exist for … Read more

The Problem Blocking Developers from AI-Powered Debugging Chrome DevTools MCP is a game-changer for AI coding assistants. It gives tools like GitHub Copilot and Cursor the ability to see what your code actually does in the browser—debugging console errors, analyzing DOM structure, capturing screenshots, and validating UI alignment in real-time. It’s like giving your AI … Read more

An affiliate marketing tech stack in 2026 is a connected set of tools where tracking, CRM, payouts, analytics, and comms are wired together via APIs and automation, so partner data flows in real time across your campaigns without manual spreadsheets, one-off exports, or guess-based optimization. We’re not talking about “I installed a plugin and added … Read more

Table of Links Abstract and 1. Introduction Prior Work and 2.1 Educational Objectives of Learning Activities 2.2 Multiscale Design 2.3 Assessing Creative Visual Design 2.4 Learning Analytics and Dashboards Research Artifact/Probe 3.1 Multiscale Design Environment 3.2 Integrating a Design Analytics Dashboard with the Multiscale Design Environment Methodology and Context 4.1 Course Contexts 4.2 Instructor interviews … Read more

Client retention in asset management isn’t just about performance—it’s about clarity. As regulatory pressure rises and investors demand transparency, firms that deliver clear, compliant, and customizable communications keep more clients. Anuj Maheshwari’s overhaul of investor materials shows how better reporting, clearer risk explanations, and tailored documents directly lift retention, shorten sales cycles, and strengthen trust.

Table of Links Abstract and 1. Introduction Prior Work and 2.1 Educational Objectives of Learning Activities 2.2 Multiscale Design 2.3 Assessing Creative Visual Design 2.4 Learning Analytics and Dashboards Research Artifact/Probe 3.1 Multiscale Design Environment 3.2 Integrating a Design Analytics Dashboard with the Multiscale Design Environment Methodology and Context 4.1 Course Contexts 4.2 Instructor interviews … Read more

Global commerce depends on infrastructure that can withstand massive data growth, AI workloads, and skyrocketing cloud demand. Ajay Prasad manages worldwide compute, storage, and disaster-recovery systems supporting 110,000+ instances and 600 PB of data. His work boosts capacity, cuts power use, protects revenue, and strengthens the backbone that keeps retailers, device makers, and emerging markets … Read more

Table of Links Abstract and 1. Introduction Prior Work and 2.1 Educational Objectives of Learning Activities 2.2 Multiscale Design 2.3 Assessing Creative Visual Design 2.4 Learning Analytics and Dashboards Research Artifact/Probe 3.1 Multiscale Design Environment 3.2 Integrating a Design Analytics Dashboard with the Multiscale Design Environment Methodology and Context 4.1 Course Contexts 4.2 Instructor interviews … Read more