Results for “all”
Small, practical examples. Search by task or narrow things down below.
Move a box visually without changing its layout slot
CSS: Transforms change the painted geometry while leaving surrounding normal-flow layout unchanged.
CSS✓ Tested
Normalize canonically equivalent Unicode strings
C#: Normalize to NFC before an ordinal comparison of equivalent character sequences.
C#✓ Tested
Notify a parent with a callback prop
Notify a parent with a callback prop with a small React component and explicit browser behavior.
React✓ Tested
Own a heap-allocated value with Box
Own a heap-allocated value with Box in a complete Rust program using the standard library.
Rust✓ Tested
Own one dynamically allocated value with unique_ptr
C++: make_unique allocates a value whose lifetime is tied to its owning smart pointer.
C++✓ Tested
Pack two small values into one byte
Arduino / C: Mask each four-bit value before combining it.
Arduino / C✓ Tested
Parse a small set of long options
Bash Scripts: Use a loop and case statement to consume a value-bearing long option.
Bash Scripts✓ Tested
Pass a function as a callback
C: A typed function pointer permits behavior to be supplied to another function.
C✓ Tested
Preallocate a slice’s capacity
Preallocate a slice’s capacity using a complete Go program with explicit sample inputs.
Go✓ Tested
Print text containing percent characters literally
Bash Scripts: Never use untrusted text as the printf format string.
Bash Scripts✓ Tested
Provide a fallback for a nullable value
C#: The null-coalescing operator supplies a default only when the left side is null.
C#✓ Tested
Provide a fallback for an unset custom property
CSS: The second var argument supplies a value when the custom property is unavailable.
CSS✓ Tested