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Mastra vs LangChain: Building an AI Agent Pipeline and Analyzing the Data
A week ago, I saw this tweet: I had just shipped SupportMesh, a multi-tenant AI support platform built on Mastra, so I had opinions from production. I liked the .dowhile() loop, the typed step schem
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How Large-Scale Platforms Handle Millions of Daily Transactions
Every day, millions of people order food, stream videos, send messages, book rides, make payments, and shop online. Most of these actions take only a few seconds from the user's perspective. A user cl
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The Saga Pattern in Node.js: How to Roll Back Distributed Transactions Across Microservices
Building reliable workflows across multiple microservices is challenging. In a monolith, a database transaction can ensure that multiple operations either succeed or fail together. But once data is sp
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How to Build a Browser-Based PDF Crop Tool Using JavaScript
PDF files often contain unwanted margins, blank spaces, scanner borders, page headers, page footers, or unnecessary content around the main document area. Cropping allows users to remove these unwante
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Geopolitical Risk Isn't One Thing. I Built a Python Framework to Prove It
On April 3, 2025, the US announced sweeping tariffs on Chinese imports. SPY dropped 4.8% that day. The next day, it dropped another 6%. Financial news ran the usual headline: markets rattled by geopol
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Scroll-Driven, Scroll-Triggered, Scroll States, and View Transitions
I've said one and mean another, and I've used one when I needed another. Comparing scroll-driven animations, scroll-triggered animations, container query scroll states, and view transitions for my future self.
Scroll-Driven, Scroll-Triggered, Scroll States, and View Transitions originally handwritten and published with love on CSS-Tricks. You should really get the newsletter as well.
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