MySQL's slow query log is a key component in your MySQL administration setup. Whilst normal logging can help you in terms of tracking down issues with your database system, the slow query log can help you track down issues in your database setup before they become problematic.
Using frameworks to handle the authentication of your PHP application is perfectly fine to do, and normally encouraged. They abstract away all of the complexity of managing users and sessions that need to work in order to allow your application to function.
Tic Tac Toe (or noughts and crosses) is a good game to create when learning game development as it has simple rules and a known win state.
A pie chart is a great way of showing the relationship between numbers, especially when showing percentages. Drawing a pie chart from scratch takes a fair amount of maths to get working and so people usually go for third party charting libraries in order to add charts to the page.
In this article I will look at setting up Nightwatch.js in a project and getting started with writing tests.