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PostgresWindows & text

Number rows within each group

Assign ordered row numbers with a window function.

row_number✓ Tested
jQueryDeferred work & queues

Observe completion of queued work

jQuery: The queue promise resolves when the selected elements’ queue is empty.

jQuery✓ Tested
SQLRelationships & missing data

Pair employees with their managers

SQL: Alias a table twice to represent two different roles in one relationship.

SQL✓ Tested
SQL ServerRelationships & missing data

Pair employees with their managers

SQL Server: Alias a table twice to represent two different roles in one relationship.

SQL Server✓ Tested
PostgresRelationships & missing data

Pair employees with their managers

Postgres: Alias a table twice to represent two different roles in one relationship.

Postgres✓ Tested
SQLiteRelationships & missing data

Pair employees with their managers

SQLite: Alias a table twice to represent two different roles in one relationship.

SQLite✓ Tested
jQueryEvent control

Pass values through a custom event

jQuery: trigger passes its extra argument array after the event object.

jQuery✓ Tested
SQLText cleanup & matching

Place missing values after known values portably

SQL: A CASE sort key controls NULL placement without relying on engine-specific defaults.

SQL✓ Tested
SQL ServerText cleanup & matching

Place missing values after known values portably

SQL Server: A CASE sort key controls NULL placement without relying on engine-specific defaults.

SQL Server✓ Tested
PostgresText cleanup & matching

Place missing values after known values portably

Postgres: A CASE sort key controls NULL placement without relying on engine-specific defaults.

Postgres✓ Tested
SQLiteText cleanup & matching

Place missing values after known values portably

SQLite: A CASE sort key controls NULL placement without relying on engine-specific defaults.

SQLite✓ Tested
jQueryHTTP requests

Post a JSON request body

jQuery: JSON.stringify and application/json send a JSON document.

jQuery✓ Tested