Rebase vs Merge
git merge creates a merge commit and preserves history. git rebase replays commits onto the target branch and yields a linear history. The rule of thumb: never rebase public branches - use rebase only on your own feature branches.
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Cherry-pick
Use cherry-pick to move a specific commit to another branch. It shines in hotfix scenarios.
Bug Hunting with Bisect
Bisect runs a binary search over your history to find the commit that introduced a bug. It narrows down the culprit across hundreds of commits in minutes.
Managing Stashes
Stash is how you park half-finished work. It is a lifesaver when you need to switch branches in a hurry.
Reflog - Last-Resort Recovery
Deleted a branch by accident? Reset a commit you meant to keep? Reflog remembers everything (90 days by default).
Modern Software Development and DevOps Practices
Professional software development rests on three pillars: version control (Git + GitHub/GitLab pull request flow, mandatory code review), CI/CD pipeline (automated test + lint + build + deploy), and observability (Sentry/Datadog/Grafana for logs, metrics, traces). The test pyramid (unit > integration > e2e) ensures code quality, microservice architecture uses Docker containers with Kubernetes orchestration, and REST or GraphQL APIs follow OpenAPI/GraphQL Schema contracts. Across the SDLC (requirements - design - implementation - test - deploy - maintenance), Agile/Scrum sprints last 1-2 weeks while DevOps teams practice continuous delivery.