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CSS 'overscroll-behavior' rubber banding: the right color behind the page when you pull it

I think you all know the overscroll rubber-banding effect: when you scroll past the end of a page, or pull past the top, the content bounces back. It exists in all modern browsers, though each one has its own idea of how far you can pull. Desktop Chrome has a surprisingly long pull — I managed to drag the page by ~70% of the window height. Firefox barely budges, around 10%. Safari, on macOS and mobile, sits comfortably in the middle at 40–50%. Personally, I find this effect quite enjoyable — it

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ExternalSoftware Engineering
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SkillOpt: Revolutionizing AI Agent Skills in 2026

After building 50+ AI systems, here is what we know about optimizing AI agent skills. SkillOpt is a groundbreaking open-source framework developed by Microsoft that automatically enhances the "skills" of AI agents. It works by treating the agent's skill instructions, typically stored as markdown files, as trainable objects that evolve based on performance feedback. Businesses use it for significantly improving AI accuracy and reliability in complex enterprise workflows without needing to retrain

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Optimistic UI Patterns with Next.js Server Actions and Supabase Realtime

Optimistic UI Patterns with Next.js Server Actions and Supabase Realtime The difference between an app that feels fast and one that feels slow often isn't the actual latency — it's whether the UI responds before the server does. Optimistic updates show the expected result immediately, then reconcile with the server response. Done right, users barely notice network latency. Next.js 15 ships useOptimistic as a stable React 19 hook, and it integrates cleanly with Server Actions. Combined with Sup

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Event-Driven Algos: Mastering Webhooks and Order Lifecycle Event Triggers

In our previous article, we tackled low-latency data ingestion by architecting high-performance WebSocket streaming clients. Sockets are perfect for consuming rapid-fire market telemetry like price ticks and order book deltas. But when it comes to the execution lifecycle of your actual orders, relying solely on an open socket connection to hear back from the server is a dangerous anti-pattern. What happens if your internet hiccups right as the market gets volatile? What if you drop a frame or h

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Combien coûte un site web au Maroc en 2026 ?

En 2026 au Maroc, un site vitrine coûte entre 1 500 et 3 000 MAD, et un site e-commerce sur mesure entre 3 000 et 10 000 MAD. Ces tarifs varient selon le type de prestataire, la complexité du projet et les fonctionnalités nécessaires. Ce guide détaille chaque type de site, ce qui est vraiment inclus, les coûts souvent oubliés, et comment éviter les mauvaises surprises. Service Prix de départ Site vitrine 1 500 MAD Site e-commerce sur mesure 3 000 MAD Délai de réponse pour un devis 12h

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50 Shades of grAI

When working with AI tools, the difference between expectations and real delivery becomes visible very quickly. The expectation is simple: AI writes code, speeds up work, and reduces repetition. That is true. AI can suggest structure, write initial code, explain an existing implementation, and accelerate parts of everyday development work. But output is not the same as a delivered solution. In a real project, code has to fit the product, the context, the architecture, the team’s rules, and the e

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