Zafarullah Mahmood
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  • Building qareen: My Experience with Multi-Agent Coding

    November 22, 2025

    A few weeks ago I shipped qareen, a framework for picking better few-shot examples. The algorithm is useful, but honestly? The interesting part was how I built it: by conducting a small orchestra of AI coding agents.

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  • A Summary of Anthropic's Persona Vectors Research

    September 1, 2025

    In a recent paper, researchers at Anthropic introduced a fascinating new concept called “persona vectors.” This research tackles a critical challenge in AI safety: understanding and controlling the often unpredictable personalities of large language models (LLMs).

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  • Using LangChain to Reduce LOC of a Chatbot

    August 31, 2025

    Last month I rebuilt a chatbot that had grown into a spaghetti monster of API calls, prompt templates, and “temporary” fixes that somehow survived six sprints. The kind of code where developers are afraid to change anything because something will break, they just don’t know what.

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  • Training Deep Neural Networks with Batch Normalization

    January 17, 2017

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