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Welcome to the Proof of Usefulness Hackathon spotlight, curated by HackerNoon’s editors to showcase noteworthy tech solutions to real-world problems. Whether you’re a solopreneur, part of an early-stage startup, or a developer building something that truly matters, the Proof of Usefulness Hackathon is your chance to test your
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AI Agents and Agentic AI are often used interchangeably, but they're not the same. In this guide, we'll break down the differences, explore real-world use cases, and help you understand when to build an AI agent and when you need a coordinated agentic system. An AI
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Let's learn about Learn Javascript via these 69 free blog posts. They are ordered by HackerNoon reader engagement data. Visit the Learn Repo or LearnRepo.com to find the most read blog posts about any technology. Learning JavaScript involves acquiring proficiency in the JavaScript programming language. It matters
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Businesses of all shapes and sizes are adopting AI to improve productivity and efficiency, but where they should be seeing improvements from this strategy, instead they’re seeing rising token costs, struggles with integrating tools, and more security risks. As with all new technologies, adoption comes first and the procedures
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Sponsor Posts Subquadratic: the LLM built for 12M-token reasoning — SubQ can reason across entire codebases and document sets in one pass with no RAG workarounds. Read how SubQ 1.1 Small holds near-perfect retrieval out to 12M tokens. Most carriers track everything. Cape doesn't. — Unlimited talk, text &
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Sponsor Posts Subquadratic: the LLM built for 12M-token reasoning — SubQ can reason across entire codebases and document sets in one pass with no RAG workarounds. Read how SubQ 1.1 Small holds near-perfect retrieval out to 12M tokens. Most carriers track everything. Cape doesn't. — Unlimited talk, text &
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Presented by MongoDB Building AI that is accurate, secure, and reliable is a major engineering feat for organizations subject to the compliance obligations that govern healthcare, financial services, and transportation. The challenge of delivering AI-driven products is compounded by the fact that technology in these industries has tended to lag
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Enterprise AI has a new infrastructure problem: companies are accumulating agents faster than they are developing systems to govern them. Gartner estimates that the average global Fortune 500 company will have more than 150,000 AI agents in use by 2028, up from fewer than 15 in 2025. Yet only
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* CVE‑2026‑65400 macOS Screen Sharing flaw exploited for cryptojacking within days of disclosure * Attackers gained root via exposed port 5900 and deployed Monero miners using XMRig * Apple patched in Sequoia 15.7.9, Sonoma 14.8.9, Tahoe 26.6.1; users urged to update immediately Less than a
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Sponsor Posts Subquadratic: the LLM built for 12M-token reasoning — SubQ can reason across entire codebases and document sets in one pass with no RAG workarounds. Read how SubQ 1.1 Small holds near-perfect retrieval out to 12M tokens. Most carriers track everything. Cape doesn't. — Unlimited talk, text &
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By Mandar Patil, EVP at Cyble Visualize a scenario where you receive a call from someone in your family asking for financial help. Their voice appears to be theirs, and they are in panic. You do not get enough time to consider; therefore, you do the transfer. Ultimately, you discover
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Snabbit has appointed Pradeep Yadav as head of operations as the company strengthens its leadership team and prepares for its next phase of growth. Yadav brings 15 years of experience across supply chain, operations and consumer internet businesses. Before joining Snabbit, he was co-founder of Klydo, a fast-fashion commerce platform,
