Results for “id”
Small, practical examples. Search by task or narrow things down below.
Maintain a rolling sum in a circular window
Arduino / C: Subtract the overwritten sample before adding the next one.
Arduino / C✓ Tested
Make a pair of columns unique together
SQL: A composite primary key permits repeated individual values while forbidding a duplicate combination.
SQL✓ Tested
Make a pair of columns unique together
SQL Server: A composite primary key permits repeated individual values while forbidding a duplicate combination.
SQL Server✓ Tested
Make a pair of columns unique together
Postgres: A composite primary key permits repeated individual values while forbidding a duplicate combination.
Postgres✓ Tested
Make a pair of columns unique together
SQLite: A composite primary key permits repeated individual values while forbidding a duplicate combination.
SQLite✓ Tested
Map an input range to an output range
Scale an integer reading to a different interval.
map✓ Tested
Mark a self-contained article
HTML: Article identifies a standalone composition that can be read independently.
HTML✓ Tested
Mark a short quotation within a sentence
HTML: The q element identifies an inline quotation and allows native quotation marks.
HTML✓ Tested
Match a known text prefix
SQL: A percent wildcard matches zero or more characters following the prefix.
SQL✓ Tested
Match a known text prefix
SQL Server: A percent wildcard matches zero or more characters following the prefix.
SQL Server✓ Tested
Match a known text prefix
Postgres: A percent wildcard matches zero or more characters following the prefix.
Postgres✓ Tested
Match a known text prefix
SQLite: A percent wildcard matches zero or more characters following the prefix.
SQLite✓ Tested