LeetCode SQL Optimization: Window Functions vs. Subqueries Developers who frequently use LeetCode are certainly familiar with the problem 185: Department Top Three Salaries, a classic question included in the Top Continue reading Leetcode Hardest SQL 185: Is the Best Solution Still Slow?
How a “Boring” CLI Cleanup in Apache Kafka Tells a Big Story What’s the most “unglamorous” Pull Request you’ve ever submitted? Not a complex new feature, but a small cleanup? Continue reading How a “Boring” CLI Cleanup in Apache Kafka Tells a Big Story
Modern reactive systems face a fundamental challenge: how do you track which state values a function depends on without requiring manual dependency declarations? React solves this with explicit dependency arrays Continue reading Juris.js: Deep Call Stack Branch Aware Automatic Dependency Detection
Introduction The rise of conversational AI has transformed how we interact with technology, but implementing natural-flowing conversations remains a significant challenge. While many developers are building chatbots and AI agents, Continue reading Implementing a Scalable Message Buffer for Natural AI Conversations in n8n
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A spaceship is launching from a planet filled with digital light, heading towards the vast starry universe. From “Digital Oracle” to StarForger As a “Digital Oracle,” you can already publish Continue reading From Digital Oracle to Star Forger: Launching Your App into the Real World
Python Lesson 6: From Space Navigator to Guild Master and Alchemist As a “Space Navigator,” you’ve retrieved valuable data from the far reaches of the universe. But now, a greater Continue reading Level Up Your Python: From Space Explorer to Project Master & Concurrency Alchemist
Python Lesson Seven: From Guild Master to “Portal Architect” Core Metaphor Upgrade: As a “Guild Master,” you’re skilled at project management and resource allocation. But your creations, no matter how Continue reading Level Up Your Python: From Guild Master to Portal Architect (Flask Web App Tutorial)
Building a full-stack application can sound intimidating at first, but with the right setup, you’ll be ready to go in no time. In this guide, we’ll set up Next.js for Continue reading Setting Up Your Full-Stack Environment with Next.js, Prisma & PostgreSQL
TypeScript has become the go-to language for building scalable, maintainable, and reliable applications. While it shines even in small projects, its true value emerges in large codebases where complexity, multiple Continue reading TypeScript Best Practices in Large Codebases
Hey there, fellow devs! If you’ve ever stared at a tangled n8n workflow and thought, “What the heck does this even do?” you’re not alone. Good documentation is the secret Continue reading How to Create Awesome Documentation in n8n
You know what’s wild? Spending hours crafting a presentation, designing every slide, hunting down content like you’re on some digital treasure hunt, finishing at 2:30 AM feeling somewhat accomplished… only Continue reading Day 83: When Your Team Becomes Your Biggest Bug
Have you ever found yourself staring at a production issue, wondering “What the hell happened here?” You know something went wrong, but the system has no memory of what actually Continue reading How I Learned to Stop Worrying and Love Raw Events, Event Sourcing & CQRS with FastAPI and Celery
This article describes a few settings that are useful when running tests with parallel_tests, especially for reproducing and investigating failures that occur during CI runs. parallel_tests In CI environments, we Continue reading Helpful Settings When Running RSpec with parallel_tests
🌍 An open-source universal ER diagram converter Drag & drop → convert → copy SQL/Prisma instantly. Every tool speaks a different schema language. Moving from ER diagrams → SQL → Continue reading Erdus
