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Browse developer-focused guides covering coding tools, deployment, backend setup, and practical Redis, RabbitMQ, and Kafka troubleshooting.
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Start With Middleware Troubleshooting
Use the hub to identify the right system first, then jump into Redis, RabbitMQ, or Kafka symptom-specific guides.
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DevOperating Redis, RabbitMQ, and Kafka in Production: Avoiding Common Bottlenecks
When middleware stalls, the entire backend grinds to a halt. Practical advice for detecting Redis big keys, managing RabbitMQ DLX queues, and surviving Kafka rebalance storms.
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DevWhen Your Vercel Build Breaks: Fixing OOM Crashes, 504 Timeouts, and Missing Envs
Why projects build fine on localhost but fail on Vercel. Practical fixes for out-of-memory errors, 504 gateway timeouts, client vs server env vars, and fast rollbacks.
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DevRevisiting OOP in Practice: Why Composition Beats Inheritance
Looking at SOLID principles and design patterns through the lens of production code. The brittle base class trap, composition over inheritance, and real-world uses for Strategy and Observer patterns.
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DevClaude Code vs Cursor in Practice: Terminal Agent Setup & Real-World Workflow
A hands-on comparison between Claude Code and Cursor. Covers CLI setup, shell permission security, AGENTS.md conventions, and when terminal agents beat editor assistants.
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DevWhen MySQL Queries Crawl: A Pragmatic Optimization & Indexing Checklist
Over 80% of backend bottlenecks trace back to the database. How to read EXPLAIN plans, build covering indexes, fix N+1 ORM queries, switch to keyset pagination, and choose between UUID v7 and auto-increment.