Tag: Beginner
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Gradient Accumulation vs Large Batch: Memory & Cost Test
Compare gradient accumulation vs large batch training in real GPU memory testsโdiscover which method saves more VRAM and when to use each approach
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TFLite & ONNX Mobile Setup: 2x Speed Left on Table
Default TFLite and ONNX configs waste 2-8x performance. Here's the exact setupโdelegates, threads, quantizationโthat closes the gap on ARM devices.
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Predictive Maintenance Python Tutorial: FFT Pipeline
Build a Python FFT pipeline for predictive maintenance with NumPy and SciPy. Detect bearing faults from vibration signals using spectral analysis.
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A/B Test False Positives: p=0.03 with 50 Users Explained
Learn why A/B tests show p=0.03 significance with just 50 users and discover what this really means for your conversion rate experiments.
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Pandas Cheat Sheet: 20 Operations CSV to Insights
Master 20 essential Pandas operations from CSV loading to insights. Complete guide with code examples for data analysis workflows.
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Bubble Sort to Timsort: Why Python Ditched O(nยฒ)
Python's sorted() uses Timsort, not the bubble sort from textbooks. Here's the 85x speed gap, stability trade-offs, and when O(nยฒ) beats O(n log n).
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NumPy Vectorization Cuts Cointegration Test Time by 8x
Nested loops in cointegration tests killed my backtest speed. NumPy matrix ops cut 47 seconds to 5.8 seconds โ here's the exact vectorization pattern.
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Claude Code CLI vs API: Real Cost at 50K Lines/Month
CLI subscription vs API: real cost breakdown at 50K lines/month. One saves $139, the other wins on CI. Math inside.