Results for “read-only”
Small, practical examples. Search by task or narrow things down below.
Find values common to two collections
C#: Intersect returns distinct values shared by the inputs.
C#✓ Tested
Find values missing from another collection
C#: Except removes duplicates as it calculates the set difference.
C#✓ Tested
Find what remains after division
C#: Use the remainder operator to count items left after forming complete groups.
C#✓ Tested
Find what remains after division
C++: Use the remainder operator to count items left after forming complete groups.
C++✓ 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
Format a decimal amount
Use invariant culture to print a C# decimal with two places.
C#✓ Tested
Format a decimal number
Format a Java decimal with two digits and a fixed locale.
Java✓ Tested
Format a UTC timestamp
Format a UTC timestamp using a complete Go program with explicit sample inputs.
Go✓ Tested
Format an integer as padded hexadecimal
Format an integer as padded hexadecimal in a complete Rust program using the standard library.
Rust✓ Tested
Format an integer into a caller-owned buffer
C++: to_chars avoids allocation and reports whether the buffer was large enough.
C++✓ Tested
Generate a bounded Fibonacci sequence
C: Keep only the two previous values instead of using exponential recursive calls.
C✓ Tested