Development

Note: This guide combines personal experience from writing deployment scripts across macOS, Linux, and Windows environments with patterns documented in the Python pathlib documentation, Git documentation, PowerShell cross-platform guidance, Python subprocess module, and GitHub Actions runner images. A deployment script that works on macOS. A colleague runs it on Windows. It fails immediately. The culprit? A hardcoded forward slash in a file path. I’ve seen this exact scenario play out multiple times over the past five years, and it’s almost always preventable. ...

Research Disclaimer This tutorial is based on: Semgrep v1.55+ (SAST scanning) Bandit v1.7+ (Python security linter) CodeQL v2.15+ (GitHub Advanced Security) SonarQube v10.3+ (code quality & security) Academic research on AI code generation security (NYU 2023 study, Stanford 2024 study) OWASP Top 10 2021 vulnerability classifications All code examples demonstrate production-grade security scanning integrated into CI/CD pipelines. Tested with GitHub Actions, GitLab CI, and Jenkins. Security recommendations follow OWASP and NIST guidelines. ...