Stop Guessing Connection Pool Size: Fix DB Bottlenecks
Learn why oversized database connection pools ruin performance, and how to calculate the optimal pool size for high-throughput microservices.
Architecture
#architecture
← The IndexStop Naive Polling: Switch to Server-Sent Events
Stop wasting server resources with HTTP polling. Learn how Server-Sent Events (SSE) deliver real-time data efficiently with clean code examples.
API
Stop Ignoring Idempotency: Handle Duplicate API Requests
Learn how to build resilient APIs that handle duplicate requests safely using Idempotency Keys, Redis locks, and database constraints.
API Design
Stop Forgetting Timeouts: Prevent Cascading Failures
Discover how missing API timeouts cause cascading failures in microservices. Learn how to implement timeouts correctly in Node.js, Python, and Go.
Architecture
Stop Brutal Restarts: Implement Graceful Shutdown
Stop dropping user requests during deployments. Learn how to implement graceful shutdown in your Node.js backend to ensure zero-downtime updates.
Architecture
Stop Using Floats for Money: The Integer Approach
Stop losing money to floating-point errors. Learn why floats fail and how to use integers, cents, and Decimal types to handle currency safely in code.
Architecture
Stop Using UUIDv4 as Primary Keys: Switch to UUIDv7
UUIDv4 primary keys cause B-Tree index fragmentation and kill database write performance. Discover why time-sorted UUIDv7 and ULID are better solutions.
Architecture
Stop Throwing Errors: Safe Handling in TypeScript
Stop relying on unpredictable try/catch blocks. Learn how to use the Result pattern and discriminated unions in TypeScript for safer error handling.
Architecture