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Shell Pipes Explained: How `|` Works in the Command Line2026-01-30
/productivity/shell-pipe2026-01-30
A practical guide to the pipe operator `|`: how it connects commands, common patterns, and useful examples.
Boosting CLI Productivity: An fzf Guide (Linux/macOS)2026-01-30
/productivity/fzf-cli2026-01-30
Install and use fzf as your terminal fuzzy finder: files, history, processes, Git, previews, bindings, and practical workflows.
Bitcoin Script 101 (4): Step‑by‑Step P2PKH Walkthrough2026-01-30
/blockchain/btc-script-4-walkthrough#btc2026-01-30
Walk through a P2PKH example step by step and watch the stack evolve.
Bitcoin Script 101 (3): Script Execution in Validation2026-01-30
/blockchain/btc-script-3-validation#btc2026-01-30
From inputs to outputs: how scripts are combined, executed, and validated by nodes.
Bitcoin Script 101 (2): Standard Script Templates2026-01-30
/blockchain/btc-script-2-templates#btc2026-01-30
From P2PKH to Taproot: the standard templates and what problems they solve.
Bitcoin Script 101 (1): Stack Model and Core Concepts2026-01-30
/blockchain/btc-script-1-basics#btc2026-01-30
From UTXO to Script: the stack model, locking/unlocking scripts, and essential opcodes.
Sorting Algorithms — Visualized and Compared2026-01-30
/algorithms/sorting-visualized2026-01-30
A quick comparison of common sorting algorithms with a built-in visualizer component for bubble and insertion sort.
Kalman Filter — Intuition, Math, and Practical Implementation2025-12-29
/statistics/kalman-filter2025-12-29
A concise yet complete guide to the Kalman filter: intuition, state-space model, core update equations, implementation tips, and common applications.
pnpm vs Yarn vs npm — A Practical Comparison2025-12-29
/frontend/pnpm-yarn-npm2025-12-29
Compare pnpm, Yarn, and npm: core similarities, key differences, pros/cons, and basic usage with commands.