MirahLabs Engineering Blog
Technical insights, architectural deep-dives, and system designs authored by our product engineers and AI research leads.
SQLAlchemy 2.0: The Complete Migration Guide
SQLAlchemy 2.0 introduces a new style API, async-first design, and significant performance improvements. Learn what changed and how to migrate your Flask applications.
FastAPI Dependency Injection: Design Patterns for Clean Architecture
Dependency Injection in FastAPI is a core feature. Learn how to manage database sessions, security credentials, and mock external service classes in tests.
Python Memory Management: Reference Counting and Generational Garbage Collection
Deep dive into CPython's memory management model: reference counting, memory allocation arenas, and how generational garbage collection resolves cyclic references.
PostgreSQL Full-Text Search: FTS vs pgvector vs Elasticsearch
Full-text search can be implemented several ways in a PostgreSQL-based stack. Compare native FTS, vector semantic search with pgvector, and Elasticsearch for your search requirements.
Async Python with asyncio and aiohttp: Building High-Concurrency APIs
Python's asyncio enables non-blocking I/O that handles thousands of concurrent connections with a single thread. Learn async patterns, event loops, and building async REST APIs.
Python Type Hints and Pydantic: Building Safer, Self-Documenting APIs
Type hints transform Python from a dynamic free-for-all into a structured, IDE-friendly language. Pydantic adds runtime validation. Together they make your APIs safer and self-documenting.