Sheikh Wasiu Al Hasib

MFS Production Conversation: "You Know One Duplicate Request Could Create Financial Mismatch, Right?"

Why duplicate cash-out and send-money requests from timeouts and retries can double-debit wallets and break ledger reconciliation in an MFS system — and how idempotency keys, request tracking, and ledger-based posting prevent it.

PostgreSQL DBA Conversation: "You Know That One Big DELETE Could Hurt Production, Right?"

A senior PostgreSQL DBA's warning on why a single bulk DELETE can trigger WAL growth, replication lag, dead tuples, and locking issues — plus the batch-delete, partitioning, and retention strategies that keep production safe.

Simplifying Git Bash Prompt on Windows for a Cleaner Developer Workflow

What Is RAG? How Retrieval-Augmented Generation Works Internally

Retrieval-Augmented Generation (RAG) is one of the most important architectural patterns in modern AI systems. Continue reading on Medium »

What Is RAG? How Retrieval-Augmented Generation Works Internally

RAG is more than a vector database with an LLM. It's a structured architecture where an LLM retrieves external knowledge at runtime to generate grounded, accurate answers.

Implementing Role and Group-Based Security with Qdrant in Enterprise AI Systems

As organizations adopt Retrieval-Augmented Generation (RAG) and internal AI assistants, one critical question emerges: Continue reading on Medium »