01
Preparation
How a GraphQL Resolver Fetches Data Under the Hood
Understand how GraphQL resolvers fetch data, the N+1 problem's real impact, and how DataLoader with batching and caching solves it in production.
12 min read•Preparation Module
The Fulcrum Dispatch
Ideas that move your
Careers Forward
No fluff, no noise. Just sharp thinking on placements, interviews, and what it actually takes to land the roles you want.
★ Featured
Preparation
LLM Evals or Unit Tests? — Why Your CI Pipeline Is Lying
Discover why treating LLM evaluations like unit tests creates false security in CI/CD pipelines. Learn regression-testing discipline and metric validation...
12 min readSep 10, 2026
Latest Articles
02
Preparation
Building Autonomous AI Agents from Scratch: The 5-Stage Production Roadmap & Python Code
Learn to build production-grade autonomous AI agents from scratch. This 5-stage roadmap covers orchestration, reliability, and Python code for Indian...
13 min read•Preparation Module
03
Preparation
RAG or Fine-Tune — The Real Skill That Gets You Hired
RAG or fine-tune? The real skill that gets you hired is understanding both. This myth-buster reveals demand data, accuracy benchmarks, and cost insights for...
11 min read•Preparation Module
04
Preparation
How a Vector Database Finds Similar Items Under the Hood
Discover the inner workings of vector databases: myths vs reality. Learn about HNSW, IVFFlat, PQ, ScaNN, and architecture trade-offs.
10 min read•Preparation Module
The Dispatch - Weekly
Career clarity,
Once a week. No noise.
Every Thursday, Fulcrum sends one sharp, actionable piece on interviews, companies, placements, or career thinking. Curated by our team, informed by real placement data.
