Results for “C++”
Small, practical examples. Search by task or narrow things down below.
Check whether a file is already sorted
Linux Commands: Use sort -C for a quiet status check that does not rewrite the file.
Linux Commands✓ Tested
Check whether a floating-point value is finite
Check whether a floating-point value is finite in a complete Rust program using the standard library.
Rust✓ Tested
Check whether a function has been defined
Bash Scripts: declare -F tests a function name without executing it.
Bash Scripts✓ Tested
Check whether a future is ready without blocking
C++: A zero-duration wait reports timeout until the producer sets a value.
C++✓ Tested
Check whether a range is already sorted
C++: is_sorted reports ordering without modifying the input.
C++✓ Tested
Check whether a value is a safe integer
JavaScript: Number.isSafeInteger also checks the exact-integer range supported by Number.
JavaScript✓ Tested
Check whether a value is a safe integer
TypeScript: Number.isSafeInteger also checks the exact-integer range supported by Number.
TypeScript✓ Tested
Check whether a variable exists under nounset
Bash Scripts: The plus expansion distinguishes an unset variable without reading its missing value.
Bash Scripts✓ Tested
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