Posted inFrontend Development React
React: Designing Error Boundaries for Better User Experiences
Even well-tested applications encounter unexpected errors. A component may receive unexpected data, a third-party widget…
Posted inAPIs Backend Development Python
Python: Improving API Reliability with Idempotency Keys
Network failures create an uncomfortable situation for API clients: a request may have succeeded on…
Posted inDart Flutter UI Development
Flutter: Building Reusable Forms with Clear Validation Rules
Forms are among the most common parts of a mobile application. Registration, login, profile editing,…
Posted in.NET ASP.NET Core Performance
ASP.NET Core: Using Output Caching Without Serving Incorrect Data
Caching can reduce server load and improve response times, but it introduces a critical question:…
Posted inDatabases Java Performance
Java: Making Database Access More Efficient with Batching
Database performance is not determined only by query complexity. The number of requests sent to…
Posted inJavaScript React
React: Avoiding Stale Closures in Hooks and Event Handlers
React components frequently use callbacks, effects, and timers. These features are convenient, but they can…
Python: Writing Maintainable Tests with Fixtures and Factories
Good tests do more than verify that code works. They make it easier to change…
Posted inSoftware Engineering
Developer Productivity: A Practical Code Review Checklist
Introduction Code review is most valuable when it catches meaningful problems and helps a team…
ASP.NET Core: Health Checks That Reflect Real Application Readiness
Introduction A process can be running while the application is unable to serve requests. It…
Java: Database Connection Pooling and Capacity Planning
Introduction Opening a database connection for every operation is expensive. Connection pools reduce that overhead…