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Bit Magic Count prime valued strings from set bits of number sums November 11, 2026 | 4 min read Compiler Design Dynamic storage allocation techniques in compiler design November 11, 2026 | 3 min read Java Programs Split a string without built-in functions in Java November 11, 2026 | 2 min read C++ Programs Find the previous perfect square and perfect cube of N November 11, 2026 | 2 min read

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Retrieval, evaluation and observable LLM systems

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Backend flagship Production Python Backend Engineering with FastAPI FastAPI, PostgreSQL, Redis and production APIs Explore now Agent engineering Agentic AI Engineering with LangGraph LangGraph, tool use, state and human oversight Explore now Architecture System Design & Distributed Systems Scalable APIs, caching, messaging and resilience Explore now

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Python & FastAPI Development Production APIs, integrations, data services, and background processing. Python, FastAPI, Integrations Learn more AI & RAG Development Grounded LLM applications with secure retrieval, evaluation, and observability. RAG, LLM Apps, Evaluation Learn more AI Agent Development Reliable LangGraph agents with tool calling, human review, and integrations. LangGraph, Tool Use, Agents Learn more