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JDBC Connector Communication link failure error to MySQL

Updated 3rd January 2024

Are you having trouble connecting to a MySQL database through JDBC Connector in a database management tool such as DBeaver Community Edition? DBeaver fails to connect to a local MySQL database with the error “Communication link failure the last packet sent successfully to the server was 0 milliseconds ago“. Here is a breakdown of this

Laravel 9: How to Add a New Column to an Existing Table in a Migration

Updated 1st October 2023

Laravel has a number of features designed to make developing web applications easier and faster. Migrations in Laravel allows us to manage the structure of our databases. In this post, you will learn how to add a new column to an existing table in a migration. Create a new migration file First, we need to

PHP Variable Variables

Updated 1st June 2022

In PHP, it is sometimes necessary to have variables that have variable names. Traditionally, a variable is given a name and a value is given to the variable like so: $foo = 'bar'; A Variable Variable, or Double Dollar Variable, gets its name from the value of another variable like so: $foo = 'bar'; $$foo