Results for “date arithmetic”
Small, practical examples. Search by task or narrow things down below.
Update several classifications in one statement
Postgres: A CASE expression computes the new value for each row covered by the update predicate.
Postgres✓ Tested
Update several classifications in one statement
SQLite: A CASE expression computes the new value for each row covered by the update predicate.
SQLite✓ Tested
Update state from its previous value
Update state from its previous value with a small React component and explicit browser behavior.
React✓ Tested
Update state shared through context
Update state shared through context with a small React component and explicit browser behavior.
React✓ Tested
Validate a complete identifier
Java: String.matches requires the regular expression to match the entire input.
Java✓ Tested
Validate a complete identifier
C++: regex_match requires the pattern to match the complete input sequence.
C++✓ Tested
Validate a complete identifier with a regex
C#: Use absolute anchors and a timeout so the regex checks the complete input with a bounded execution time.
C#✓ Tested
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 finite numeric value without coercion
JavaScript: Number.isFinite rejects numeric strings as well as NaN and infinity.
JavaScript✓ Tested
Validate a finite numeric value without coercion
TypeScript: Number.isFinite rejects numeric strings as well as NaN and infinity.
TypeScript✓ Tested