TildAlice – Tech Blog for Developers
Python, AI, Deep Learning, Data Analysis, Computer Vision, Reinforcement Learning โ tips and tutorials
Latest Posts
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Reward Shaping ๋ง์คํฐํ๊ธฐ: ํ์ต ์๋๋ฅผ 10๋ฐฐ ๋์ด๋ ๋ณด์ ์ค๊ณ ์ ๋ต๊ณผ ํจ์ ํํผ๋ฒ
Reward shaping accelerates RL training 10xโbut breaks policies if done wrong. Use potential-based shaping and avoid these 3 fatal mistakes.
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Real-Time Stock Dashboard with FastAPI and WebSockets
Build a FastAPI WebSocket dashboard handling 500+ live connections on $5/month. No polling, real-time updates, production-ready code included.
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Portfolio Optimization with Modern Portfolio Theory
Compare mean-variance vs risk parity with real S&P 500 data. Includes Ledoit-Wolf covariance fix and backtest results you can reproduce.
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Financial News Sentiment Analysis for Stock Prediction
VADER missed 40% of bearish signals that FinBERT caught. See which NLP model actually predicts stock moves with financial news sentiment data.
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Plotly vs Matplotlib for Stock Visualization
Interactive Plotly charts reveal MACD divergences that static Matplotlib hides. Includes multi-panel dashboard code for RSI and Bollinger Bands.
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US Stock Data Pipeline with Python and Yahoo Finance
Speed up S&P 500 data fetching 4x by switching from yfinance to raw Yahoo Finance endpoints. Includes data quality validation and error handling.
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Python asyncio ๋์์ฑ ์ ์ด: Semaphore, Lock, Queue ๊ฐ์ด๋
Fix Python asyncio race conditions with Semaphore, Lock, and Queue. Real examples: API rate limiting, database pooling, producer-consumer patterns.
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FlashAttention: Transformer ๋ฉ๋ชจ๋ฆฌ ์ต์ ํ ์ค์ ๊ตฌํ
FlashAttention-3 cuts Transformer memory from O(nยฒ) to O(n) on H100 GPUs. See PyTorch benchmarks proving 3-5x speedup on 32k context windows.