Technical guide
Fix Git refusing to merge unrelated histories
Join deliberately separate Git histories with an explicit merge, check remote configuration, and avoid an invalid rebase option.
Technical guide
Remove a directory from Git or stop tracking it
Delete a tracked directory, retain local files with git rm --cached, restore staged deletions, or plan a separate history cleanup.
Technical guide
Understand and fix Git LF-to-CRLF warnings
Set repository line-ending rules with .gitattributes, normalize tracked text, and distinguish stored content from working-tree line endings.
Technical guide
Return to an earlier Git commit
Choose reset, revert, or a detached checkout based on whether you want to rewrite a local branch, undo published work, or inspect an old version.
Technical guide
Configure HTTPS certificate verification for one Git repository
Fix a repository-specific Git certificate error with a trusted CA and understand the limits of temporarily disabling HTTPS verification.
Technical guide
Discard Git working-tree changes, including new files
Reset tracked files and the index to HEAD, preview untracked-file cleanup, and understand ignored-file, submodule, and recovery limits.
Technical guide
The difference between .gitignore and .gitkeep
Use .gitignore to exclude untracked paths and a placeholder such as .gitkeep to preserve an otherwise empty directory in a Git checkout.
Technical guide
Ignore everything except selected files in Git
Build a .gitignore allowlist with negated patterns, re-include parent directories, and check which rule controls a path.
Technical guide
Why .gitignore is not ignoring a file
Check whether a file is already tracked, diagnose ignore-pattern precedence, and stop tracking generated files without deleting local copies.
Technical guide
Write a .gitignore for an Android Studio project
Exclude Android build output, machine-specific settings, and signing secrets while preserving shared project files and Gradle wrapper inputs.
Technical guide
Write a .gitignore for a Visual Studio project
Ignore Visual Studio build output and user state while keeping solution files, project definitions, and intentional shared editor configuration.
Explainer
Send Nginx access and error logs to stdout and stderr
Configure Nginx standard-stream logging for containers, preserve startup errors, and let the runtime manage log retention.