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// study log · video + 교안Once a day — record a video and write a doc.
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C-004Day 042026.05.03
Replace Boolean Flags with the Policy Pattern in Python
Learn to replace boolean flags and growing conditionals with composable policy objects for cleaner, scalable Python code
#python#design-patterns#policy-pattern#clean-code#refactoring#functional-programming
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- C-003Day 03Harness Engineering | Building Autonomous AI Systems with Constrained BoundariesLearn to build autonomous AI systems through the evolution from prompt to harness engineering using OpenAI's 5-month project case study, enabling AI to self-manage planning, implementation, testing, and debugging within constrained boundaries.#하네스엔지니어링#프롬프트엔지니어링#컨텍스트엔지니어링2026.05.03
- C-002Day 02Modulo Bias in Game Probability SystemsModulo bias in C's rand() function distorts game drop rates, causing probability calculation errors.#modulo-bias#random-number-generation#probability2026.05.02
- C-001Day 01FastAPI Dependency Injection — making it usableWhy FastAPI's Depends is not just import-replacement, and patterns for handling async/session/auth in one flow.#fastapi#di#python2026.05.01