Results for “id”
Small, practical examples. Search by task or narrow things down below.
Check a literal filename suffix
C: Check lengths before subtracting so a short input cannot produce an invalid pointer.
C✓ Tested
Check a literal string prefix
C: strncmp compares at most the prefix length; both inputs must be valid strings.
C✓ Tested
Check a string prefix using ordinal comparison
PowerShell: Supply an explicit comparison rule for protocol identifiers.
PowerShell✓ Tested
Check an array allocation size before multiplying
C: Compare the requested element count against SIZE_MAX divided by element size.
C✓ Tested
Check both ends of a range
Arduino / C: Check both ends of a range on an Uno with the Serial Monitor set to 9600 baud.
Arduino / C✓ Tested
Check EEPROM capacity before a write
Arduino / C: length reports the available address count for this board.
Arduino / C✓ Tested
Check out another branch in a second working tree
Git: A linked worktree shares repository objects while maintaining a separate checked-out branch.
Git✓ Tested
Check what kind of Git object a revision names
Git: cat-file -t distinguishes a commit, tree, blob, or annotated tag.
Git✓ Tested
Check whether a command can be resolved
PowerShell: Get-Command with a local error override supports an expected missing-command lookup.
PowerShell✓ Tested
Check whether any selected element matches
jQuery: is returns a Boolean without changing the selection.
jQuery✓ Tested
Choose a local file through a labeled control
HTML: A file input exposes selected file metadata to the page without providing arbitrary filesystem access.
HTML✓ Tested
Choose a service’s internal hostname
Docker / Compose: hostname controls the name reported inside the container.
Docker / Compose✓ Tested