Modern Development Questions

When would you use the github.dev web-based editor instead of a full GitHub Codespace?

What is a dev container in the context of GitHub Codespaces?

What GitHub Actions feature runs the same job with different operating systems or language versions?

A workflow has three build jobs and one packaging job. The packaging job should wait until all builds finish, while the build jobs should run at the s...

A developer wants personal shell aliases and preferences to appear automatically in every codespace they create. Which feature should they use?

A workflow needs to authenticate to the GitHub API for tasks that only affect the same repository that contains the workflow. Which credential does Gi...

In GitHub Actions, what is the name for the activity that starts a workflow run?

Within a GitHub Actions job, why can one step use files produced by a previous step?

A developer creates a GitHub Codespace from a Windows laptop and expects the remote development container to run Windows. What actually runs in the co...

An organization wants Copilot Chat to include the same guidance automatically across repositories it owns. What should organization owners set up?

A developer creates a codespace from an organization-owned repository. Who pays for the codespace?

Your workflow needs hardware or an operating system configuration that GitHub-hosted runners do not provide. What should you use?

A repository has no dev container configuration. What environment does a newly created codespace start with?

A team wants new issues to receive labels automatically as soon as they are opened. Which GitHub feature fits that need?

Your organization repeats the same automation in many workflows. What GitHub Actions feature helps avoid copying the same logic everywhere?