Results for “file check”
Small, practical examples. Search by task or narrow things down below.
Validate a complete numeric serial command
Arduino / C: Check for digits, an end pointer, and an application-specific range.
Arduino / C✓ Tested
Validate a field when focus leaves it
jQuery: focusout bubbles and can support delegated form validation.
jQuery✓ Tested
Validate a field when focus leaves it
Validate a field when focus leaves it with a standalone Angular component and explicit browser behavior.
Angular✓ Tested
Validate a simple C-style ASCII identifier
C: Check the first character separately from subsequent characters and reject empty input.
C✓ Tested
Validate access through a custom context hook
Validate access through a custom context hook with a small React component and explicit browser behavior.
React✓ Tested
Validate an unknown value with a type guard
Check a field before treating unknown data as a typed object.
unknown✓ Tested
Validate email syntax with Angular’s email validator
Validate email syntax with Angular’s email validator with a standalone Angular component and explicit browser behavior.
Angular✓ Tested
Validate the shape of an absolute URL
HTML: A URL input checks syntax, not whether a resource exists or is safe.
HTML✓ Tested
Validate UTF-8 bytes
Validate UTF-8 bytes using a complete Go program with explicit sample inputs.
Go✓ Tested
Verify a read-only volume rejects writes
Docker / Compose: A failed write confirms the mount’s read-only behavior.
Docker / Compose✓ Tested
Verify that a one-off container was removed
Docker / Compose: An automatically removed container no longer appears in an exact-name listing.
Docker / Compose✓ Tested
Visit matched elements in order
jQuery: Learn how to visit matched elements in order in a complete browser example.
jQuery✓ Tested