Results for “IS NULL”
Small, practical examples. Search by task or narrow things down below.
Use a fallback for a missing hashtable entry
PowerShell: Test the key explicitly so legitimate false or zero values are preserved.
PowerShell✓ Tested
Use an alternate value only when a variable is nonempty
Bash Scripts: The colon-plus expansion returns its word only when the parameter has a nonempty value.
Bash Scripts✓ Tested
Use the first fulfilled promise result
JavaScript: Promise.any ignores individual rejections until one input fulfills.
JavaScript✓ Tested
Use the first fulfilled promise result
TypeScript: Promise.any ignores individual rejections until one input fulfills.
TypeScript✓ Tested
Visit adjacent pairs
Python: Use itertools.pairwise to process neighboring items without indexing.
Python✓ Tested
Visit associative-array keys in a stable order
Bash Scripts: Associative arrays have no defined iteration order, so sort their keys explicitly.
Bash Scripts✓ Tested
Visit every item in a collection
Python: Print each element in the collection’s original order.
Python✓ Tested
Visit every item in a collection
C#: Print each element in the collection’s original order.
C#✓ Tested
Visit every item in a collection
Java: Print each element in the collection’s original order.
Java✓ Tested
Visit every item in a collection
JavaScript: Print each element in the collection’s original order.
JavaScript✓ Tested
Visit every item in a collection
TypeScript: Print each element in the collection’s original order.
TypeScript✓ Tested
Visit every item in a collection
C++: Print each element in the collection’s original order.
C++✓ Tested