Technical guide
How to reduce TCP sockets in TIME_WAIT
Diagnose connection churn and port pressure before tuning TIME_WAIT. Start with connection reuse and distinguish socket state from conntrack usage.
Technical guide
Reduce the size of node_modules
Measure dependency storage, omit development tools from runtime installs, and assess pruning, deduplication, shared stores, and bundling.
Technical guide
Remove .DS_Store files from a Git repository
Untrack Finder metadata with a Git pathspec, add a shared ignore rule, and preserve existing global ignore settings.
Technical guide
Remove a file or its changes from the latest Git commit
Distinguish removing a newly added file from restoring an older tracked version, then amend only an unpublished commit or make a corrective commit.
Technical guide
Delete files and directories in Node.js
Use unlink for files and rm for recursive removal, handle missing paths deliberately, and understand permissions and deletion semantics.
Technical guide
Choose between git reset --soft, --mixed, and --hard
Understand which reset mode changes HEAD, the index, and the working tree, then choose how to keep or discard a local commit’s changes.
Technical guide
Remove a Git submodule from a repository
Unregister and remove a submodule without discarding its local work, commit the superproject change, and distinguish removal from optional metadata cleanup.
Technical guide
Remove untracked files from a Git working tree
Preview git clean before removing untracked files, choose whether ignored files belong in the cleanup, and keep nested repositories and backups in mind.
Explainer
Stage files already deleted from disk in Git
Record tracked deletions with git add -u, distinguish them from other changes, and recover a staged deletion from the correct source.
Technical guide
Remove the origin remote from a Git repository
Delete a local remote configuration, retain wanted commits first, or change the URL without removing the remote.
Technical guide
Rename a local or remote Git branch
Rename a branch locally, publish the new name, and update collaborators, pull requests, and branch-specific configuration.
Technical guide
Rename a Git tag without confusing its target or annotation
Create a replacement tag at the same commit, handle annotated and signed tags explicitly, and update fully qualified remote tag refs only when intended.