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First-Class Functions in JavaScript
Introduction For developers learning JavaScript, the term first‑class functions appears frequently in discussions and documentation. In JavaScript, functions a...
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Speck.js: AI Agents with Persistent Memory in One Line of Code
Introduction Adding AI to web apps typically requires a lot of boilerplate: state for messages, loading states, error handling, API calls, stream management, h...
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Single State Model Architecture
Problem Statement Modern system architectures often prioritize scale and flexibility at the cost of simplicity and consistency. In the rush to adopt microservi...
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Why Do Simple Tasks Eat Up Hours of Your Day — And How One Hub Fixes It?
The Hidden Cost of Tiny Tasks Lately, I realized that a lot of productivity loss doesn’t come from big projects, but from constantly switching between tiny tas...
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A kernel bug froze my machine: Debugging an async-profiler deadlock
Article URL: https://questdb.com/blog/async-profiler-kernel-bug/ Comments URL: https://news.ycombinator.com/item?id=46280465 Points: 16 Comments: 4...
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How to Visualise and Control a ROS 2 Robot Remotely
Background When I was learning ROS a few years ago, I tried to control a mobile robot running the Navigation Stack using RViz. At that time, I installed a remo...
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How JOIN FETCH Reduced Database Load by 94%: A Real-World Case Study
Introduction The N+1 problem is one of the most common causes of high database load in Spring Boot applications. In this article, I’ll show you how to systemat...
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High-Performance SQLite Reads in a Go Server
Workload Assumptions These recommendations assume: - Reads dominate writes are rare or offline - A single server process owns the database - Multiple goroutine...
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6 Advanced MCP Workflows for Power Users
We have reached a saturation point with standard integrations. Every developer and power user recognizes the friction: you have a powerful LLM in one window, a...
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The Real Cost of Swapping Infrastructure
The Real Cost of Swapping Infrastructure I've gone through enough infrastructure evaluations as an architect to recognize the moment when the energy leaves the...
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Technical Deep Dive: How React Server Components Work and Where the Vulnerabilities Appear
React Server Components: Server-Side Execution Flow ===================================================== A simplified but accurate RSC request lifecycle looks...
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A quarter of US-trained scientists eventually leave
Article URL: https://arxiv.org/abs/2512.11146 Comments URL: https://news.ycombinator.com/item?id=46280080 Points: 104 Comments: 119...