Feb 16, 2020 · Fundamentals

Master Git Basics: 3 Steps, 4 Areas, 5 States and How to Undo Changes

This guide explains Git's core workflow—adding, committing, and pushing—breaks down the four Git areas and five file states, shows how to inspect changes with various git diff commands, and provides step‑by‑step commands to undo modifications at each stage, all illustrated with practical examples.

GitVersion Controlgit checkout

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Master Git Basics: 3 Steps, 4 Areas, 5 States and How to Undo Changes

Youzan Coder

Jan 6, 2020 · Mobile Development

Precise Mobile Testing Platform: iOS Code Coverage Instrumentation and Incremental Coverage Analysis

The article details Youzan Retail’s precise iOS testing platform, which instruments Objective‑C code via GCC/LLVM to generate .gcno/.gcda files, processes them with LCOV, and provides both full and git‑diff‑based incremental coverage visualizations across CI, data collection, parsing, and reporting layers to improve manual and automated test quality.

Instrumentationcode coveragegit diff

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Precise Mobile Testing Platform: iOS Code Coverage Instrumentation and Incremental Coverage Analysis