Posts and interview questions tagged Python.
Enterprise React feature-based architecture: why type folders break at scale, the 4 rules, full feature code, lazy-load splits, real before/after metrics.
The 6 React patterns every architect needs in 2026: Container/Presentation, Hooks, Compound Components, Render Props, HOC, Provider — with real code + metrics.
Measurement-first React performance guide on a real dashboard: virtualization, code-splitting, RSC, concurrent features — before/after code + a metrics matrix.
Context API vs Redux Toolkit vs Zustand vs Jotai: the same cart in each, pros/cons, real production metrics, performance benchmarks, when to use each.
Large data grids in React: server pagination, infinite scroll, virtual scrolling, AG Grid, TanStack Table on the same 250k-row dataset — real code + metrics.
30 senior React interview questions with deep answers across Hooks, Reconciliation, Fiber Architecture, and Performance — the mental model interviewers test.
1.2M PDF reports in 48h on ASP.NET Core + CQRS + PuppeteerSharp + Azure — browser pooling, autoscale workers, CDN cache. Mattrx p95 9s, $0.0004/PDF.
Part 4 (finale) of a 14-year ASP.NET series: choosing Azure architecture, real observability, and AI as an engineered component.
Part 3 of a 14-year ASP.NET series: the performance techniques that move p95, when microservices help, and the patterns that earn their keep.
Part 2 of a 14-year ASP.NET series: LINQ, EF Core, and SQL Server done right — where the boundary runs, the EF habits, and reading the plan.
Part 1 of a 14-year ASP.NET series: why clean code isn't enough, the OOP that matters, and how SOLID changed the systems I build.
Mattrx runs Azure Service Bus, Event Grid, and Kafka side by side. The decision framework, real code, and exactly when to pick each.