Results for “Collections & data structures”
Small, practical examples. Search by task or narrow things down below.
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SQL Server: Use IN for a set of allowed values.
SQL Server✓ Tested
Measure the length of ordinary text
SQL: Use the engine’s text-length function; this ASCII example has no trailing spaces.
SQL✓ Tested
Measure the length of ordinary text
SQL Server: Use the engine’s text-length function; this ASCII example has no trailing spaces.
SQL Server✓ Tested
Measure the length of ordinary text
Postgres: Use the engine’s text-length function; this ASCII example has no trailing spaces.
Postgres✓ Tested
Measure the length of ordinary text
SQLite: Use the engine’s text-length function; this ASCII example has no trailing spaces.
SQLite✓ Tested
Merge two dictionaries
Combine two dictionaries into a new dictionary. When a key appears in both inputs, the value from the second dictionary wins.
dictionary✓ Tested
Move a node without losing its event handler
jQuery: detach retains jQuery data and events for reinsertion.
jQuery✓ Tested
Name an intermediate query with a CTE
Make a filtered result reusable within one statement.
CTE✓ Tested
Normalize ASCII text to lowercase
SQL: LOWER is useful for display normalization; indexed case-insensitive search depends on the database collation and schema.
SQL✓ Tested
Normalize ASCII text to lowercase
SQL Server: LOWER is useful for display normalization; indexed case-insensitive search depends on the database collation and schema.
SQL Server✓ Tested
Normalize ASCII text to lowercase
Postgres: LOWER is useful for display normalization; indexed case-insensitive search depends on the database collation and schema.
Postgres✓ Tested
Normalize ASCII text to lowercase
SQLite: LOWER is useful for display normalization; indexed case-insensitive search depends on the database collation and schema.
SQLite✓ Tested