Implementation of unlimited classification tree class in PHP

12Mar2025

This article explains how to hide individual Steam games from your library view by assigning them to a custom category. This doesn't affect privacy as others can't see your game list; it's solely for personal library organization. There's no way to

26Dec2024

Selecting a Random Record from Each Category in MySQLThis database query involves selecting a random record from each category in a table. The...

31Dec2024

Selecting ID with Maximum Date Grouped by Category in PostgreSQLTo determine the id with the maximum date for each category within a table,...

24Jun2016

Use of multi-category selectors

20Dec2024

Selecting a Single Random Record from Each Category in MySQLTo retrieve a random item from each category in the specified database, a two-stage...

27Dec2024

Selecting ID with Maximum Date Grouped by Category in PostgreSQLTo retrieve the ID with the maximum date for each category in PostgreSQL, we can...