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Tagged: MongoDB
Self-Improving Agents: Healing, Learning and Controlled Change
Self-improving agents without the danger: runtime self-healing, learning across runs, and changes that ship only after evals and canaries, on LangGraph.
15 min readA MongoDB-Backed Virtual Filesystem for LangChain Deep Agents
A MongoDB-backed virtual filesystem for LangChain Deep Agents: bytes in object storage, search in Atlas with hybrid grep, rank fusion, chunking and sync.
8 min readLumora Clothing: a full-stack commerce platform beyond a static storefront
Lumora Clothing is a full-stack commerce platform on React, Node.js and MongoDB with slip-based checkout, Resend emails and WhatsApp bulk inquiries for ops.
4 min readMERN Stack vs Full Stack Development: How to Choose What to Learn
Clarify MERN versus full stack: what each means, who should start with MongoDB–Express–React–Node, common learning traps, and what hiring actually rewards.
8 min readBuilding MongoDB Aggregation Pipelines with $match, $group and $lookup
Learn how MongoDB aggregation stages filter, group, reshape, join and sort documents, and how to chain them into a pipeline that answers real reporting questions.
4 min readPreventing Lost Updates in Node.js and MongoDB Under Concurrent Writes
Learn how atomic conditional updates, version-based optimistic locking, 409 responses and transactions stop concurrent MongoDB writes from silently discarding data.
9 min readBeyond CRUD: Ten Architecture Habits That Keep MERN Apps Maintainable
Learn the system-level habits that keep a MERN app healthy as it grows: data ownership, API contracts, derived state, layered code, lean payloads and consistent errors.
8 min readRedis Caching Fundamentals: Patterns, Pitfalls, and Interview Concepts
Redis caching in Node.js: cache-aside, TTLs, stampede protection and eviction policies, plus the system design interview questions that come up about them.
11 min read
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