Ernie's Leisure Code
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  • Jul 15, 2026

    What Is NVIDIA? Company, Technology, Business, and AI Ecosystem Analysis

  • Jul 14, 2026

    What Is SpaceX?

  • Jul 13, 2026

    Inside Claude's J-Space: A Hidden Workspace for Concepts and Reasoning

  • Jul 12, 2026

    What STEM Problems Have Large Language Models Solved So Far?

  • Jul 11, 2026

    GPT-5.6 Best Practices: Prompting, Reasoning, Research, and Coding

  • Jul 10, 2026

    How Binance VIP Tiers Work: Qualification, Fees, and Benefits

  • Jul 9, 2026

    Polymarket 101

  • Jul 8, 2026

    U.S. Equities: A Complete Primer — From Stock Ownership to Market Microstructure and Valuation

  • Jul 7, 2026

    High-Frequency Trading 101: Market Microstructure, Strategy, and Policy

  • Jul 6, 2026

    Top Claude Code Skills

  • Jul 5, 2026

    The Complete Guide to Trading and Investing in Gold

  • Jul 4, 2026

    Prompt, Harness, and Loop Engineering for General-Purpose Autonomous LLM Agents

  • Jul 3, 2026

    OWASP WebGoat: A Comprehensive Learning Guide

  • Jul 2, 2026

    Claude Code Developer Cheat Sheet: Setup, Commands, Agents, MCP, and Safe Automation

  • Jul 1, 2026

    Choosing Claude Models in 2026: Fable, Opus, Sonnet, Haiku, and Effort

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Ernie's Leisure Code

  • Ernie's Leisure Code
  • ernie55ernie@zohomail.com
  • ernie55ernie
  • b01505025

Ernie Chang is a quantitative researcher and PhD candidate working at the intersection of high-frequency trading, market microstructure, and machine learning. His work spans execution-aware alpha modeling, reinforcement learning for trading strategies, and adversarial perspectives on network security, with publications in leading IEEE venues.