Results for “Form behavior”
Small, practical examples. Search by task or narrow things down below.
Find shared members of two sets
TypeScript: Filter one set through the other set’s membership test.
TypeScript✓ Tested
Find the first matching stream value
Java: Use findFirst and an explicit default for an empty result.
Java✓ Tested
Find the first matching value
Find the first matching value in a complete Rust program using the standard library.
Rust✓ Tested
Find the smallest value in a nonempty array
C: Initialize from the first element instead of assuming a numeric sentinel.
C✓ Tested
Flatten nested collections
Java: Use flatMap to concatenate nested Java lists into one stream.
Java✓ Tested
Flatten nested collections
Flatten nested collections in a complete Rust program using the standard library.
Rust✓ Tested
Flatten nested collections with SelectMany
C#: Concatenate the items from several sequences into one sequence.
C#✓ Tested
Group records into map entries
JavaScript: Initialize an array for a missing Map key before appending its values.
JavaScript✓ Tested
Group records into map entries
TypeScript: Initialize an array for a missing Map key before appending its values.
TypeScript✓ Tested
Group strings by their length
Java: Choose a TreeMap supplier when group keys must have deterministic order.
Java✓ Tested
Hash a UTF-8 value with SHA-256
C#: Use SHA256.HashData for a one-shot content digest.
C#✓ Tested
Insert into an array with spare capacity
C: Move the trailing elements before inserting and keep the logical length separate from capacity.
C✓ Tested