Results for “all”
Small, practical examples. Search by task or narrow things down below.
Track which union member is currently valid
C: An explicit tag tells callers which overlaid union value to read.
C✓ Tested
Transfer unique ownership with move
C++: Moving a unique_ptr leaves the source empty and gives ownership to the destination.
C++✓ Tested
Transform a deferred value with then
jQuery: then returns a new promise with the callback’s result.
jQuery✓ Tested
Transform a vector into a separate result
C++: Pre-size the output before writing through its iterator.
C++✓ Tested
Treat an empty trimmed value as missing
SQL: NULLIF converts an empty string to NULL before a fallback is applied.
SQL✓ Tested
Treat an empty trimmed value as missing
SQL Server: NULLIF converts an empty string to NULL before a fallback is applied.
SQL Server✓ Tested
Treat an empty trimmed value as missing
Postgres: NULLIF converts an empty string to NULL before a fallback is applied.
Postgres✓ Tested
Treat an empty trimmed value as missing
SQLite: NULLIF converts an empty string to NULL before a fallback is applied.
SQLite✓ Tested
Trim surrounding ASCII whitespace
C++: Find the first and last non-whitespace bytes before taking a substring.
C++✓ Tested
Turn known group values into columns
SQL: Conditional aggregation gives a portable pivot when the category set is known.
SQL✓ Tested
Turn known group values into columns
SQL Server: Conditional aggregation gives a portable pivot when the category set is known.
SQL Server✓ Tested
Turn known group values into columns
Postgres: Conditional aggregation gives a portable pivot when the category set is known.
Postgres✓ Tested