Results for “k”
Small, practical examples. Search by task or narrow things down below.
Check whether all required keys exist
Python: Compare the required key set with a dictionary key view.
Python✓ Tested
Check whether any item matches
JavaScript: some stops once a predicate succeeds.
JavaScript✓ Tested
Check whether any item matches
TypeScript: some stops once a predicate succeeds.
TypeScript✓ Tested
Check whether any selected element matches
jQuery: is returns a Boolean without changing the selection.
jQuery✓ Tested
Check whether bytes contain valid JSON
Check whether bytes contain valid JSON using a complete Go program with explicit sample inputs.
Go✓ Tested
Check whether every item matches
JavaScript: every stops at the first failed predicate and returns true for an empty array.
JavaScript✓ Tested
Check whether every item matches
TypeScript: every stops at the first failed predicate and returns true for an empty array.
TypeScript✓ Tested
Check whether input is a nonnegative integer
Reject empty input and nonnumeric characters before arithmetic.
validation✓ Tested
Check whether text contains a phrase
Use a case-sensitive Java substring check.
Java✓ Tested
Check whether text ends with a suffix
JavaScript: Use endsWith for a literal case-sensitive ending.
JavaScript✓ Tested
Check whether text ends with a suffix
TypeScript: Use endsWith for a literal case-sensitive ending.
TypeScript✓ Tested
Check whether text is valid JSON
Reject malformed input before processing it.
json_valid✓ Tested