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SQLiteQueries & text

Generate numbers with a recursive CTE

Build a bounded sequence using SQL recursion.

recursive CTE✓ Tested
PostgresRows & writes

Get the latest row in each group

Select one ordered row per key with DISTINCT ON.

DISTINCT ON✓ Tested
SQLReporting & grouped calculations

Group by more than one field

SQL: Each distinct combination of grouping fields produces its own row.

SQL✓ Tested
SQL ServerReporting & grouped calculations

Group by more than one field

SQL Server: Each distinct combination of grouping fields produces its own row.

SQL Server✓ Tested
PostgresReporting & grouped calculations

Group by more than one field

Postgres: Each distinct combination of grouping fields produces its own row.

Postgres✓ Tested
SQLiteReporting & grouped calculations

Group by more than one field

SQLite: Each distinct combination of grouping fields produces its own row.

SQLite✓ Tested
jQueryGetting Started

Handle a form without navigating away

jQuery: Learn how to handle a form without navigating away in a complete browser example.

jQuery✓ Tested
jQueryHTTP requests

Handle a request timeout

jQuery: The timeout option bounds how long the client waits.

jQuery✓ Tested
jQueryHTTP requests

Handle an unsuccessful HTTP status

jQuery: fail receives the jqXHR object and exposes its status.

jQuery✓ Tested
jQueryGetting Started

Hide an element

jQuery: Learn how to hide an element in a complete browser example.

jQuery✓ Tested
SQLSubqueries & ranked selection

Include every row tied for the highest score

SQL: Compare with MAX rather than limiting to an arbitrary number of rows.

SQL✓ Tested
SQL ServerSubqueries & ranked selection

Include every row tied for the highest score

SQL Server: Compare with MAX rather than limiting to an arbitrary number of rows.

SQL Server✓ Tested