Tag: Intermediate
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tracemalloc vs memray vs Py-Spy: Profiler Overhead Cost
Compare Python memory profilers: tracemalloc, memray, and Py-Spy overhead costs. Which one is fastest? Performance benchmarks reveal the winner.
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Custom Gymnasium Environment: Portfolio Project Guide
Build a custom Gymnasium environment from scratch for your portfolio. Learn registration, spaces, and reward shaping that makes recruiters take notice.
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Heap & Stack Patterns: 8 Interview Problems Solved
Solve 8 heap and monotonic stack problems with O(n log k) patterns. Recognize when to use each structure before writing a single line of code.
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unittest to pytest Migration: Fixtures and Async Patterns
Migrate unittest to pytest with practical fixture examples and async testing patterns. Learn parametrization, mocking, and real-world refactoring tips.
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CWRU Bearing Dataset: End-to-End PHM Portfolio Project
Build a complete PHM pipeline with CWRU bearing data: fault detection, feature engineering, and RUL prediction from raw vibration signals.
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yfinance vs Alpha Vantage vs Polygon: Real Cost Per 1M Calls
yfinance is free but breaks twice a year. Alpha Vantage costs $1,389 per million calls. Polygon offers $0-$299 tiers that actually scale. Real numbers.
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ONNX Runtime vs TFLite Android: 3x Speed Benchmark
Compare ONNX Runtime vs TensorFlow Lite on Android with real benchmarks. Discover which framework delivers 3x faster mobile inference performance.