Results for “before”
Small, practical examples. Search by task or narrow things down below.
Temporarily store tracked-file edits
Restore a clean working tree and then reapply your saved changes.
stash✓ 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 on the LED with a serial command
Arduino / C: Wait for the character 1 in Serial Monitor before turning on the built-in LED.
Arduino / C✓ Tested
Update a JSON document with mutable nodes
C#: JsonNode permits targeted changes before serializing a document again.
C#✓ Tested
Update one matching row
Change a value with an explicit filter.
UPDATE✓ Tested
Use a last-in first-out stack
C++: Read top before pop because pop does not return the removed value.
C++✓ Tested
Validate an unknown value with a type guard
Check a field before treating unknown data as a typed object.
unknown✓ Tested