Results for “C++”
Small, practical examples. Search by task or narrow things down below.
Flatten a single nesting level
JavaScript: flat defaults to a depth of one and creates a new array.
JavaScript✓ Tested
Flatten a single nesting level
TypeScript: flat defaults to a depth of one and creates a new array.
TypeScript✓ Tested
Flatten one level of nested lists
Python: Use a nested comprehension when each input item is itself an iterable.
Python✓ Tested
Format an ISO date
Format a UTC JavaScript Date deterministically.
JavaScript✓ Tested
Format several integers in a fixed buffer
Arduino / C: snprintf limits writes to the buffer size and includes a terminating null byte.
Arduino / C✓ Tested
Forward input props to a reusable field
Forward input props to a reusable field with a small React component and explicit browser behavior.
React✓ Tested
Generate a bounded integer range
JavaScript: Array.from supplies each output position to its mapping function.
JavaScript✓ Tested
Generate a bounded integer range
TypeScript: Array.from supplies each output position to its mapping function.
TypeScript✓ Tested
Generate and measure a short output pulse
Arduino / C: delayMicroseconds can create a short blocking pulse on an output pin.
Arduino / C✓ Tested
Give an existing image another tag
Docker / Compose: Tagging adds a reference without copying the image layers.
Docker / Compose✓ Tested
Give an optional property a default
Handle missing object fields with nullish coalescing.
optional✓ Tested
Group by more than one field
SQL: Each distinct combination of grouping fields produces its own row.
SQL✓ Tested