Tutorial: How to Use the cp Command in Linux to Copy Files and Directories

The cp (copy) command is one of the most basic tools in any Unix-based operating system, such as Ubuntu, Mint, and Debian. It is used to copy files and directories from one location to another. This tutorial aims to provide a comprehensive guide for the effective use of the cp command in the context of Linux-based...

How to Generate a Random String with PHP

From time to time in software development, we encounter the need to generate random strings for passwords, tokens, or other purposes. In this article, we’ll explore how to generate random strings in PHP, looking at various methods and understanding the security and complexity levels of each approach.

What Is a...

String interpolation is one of those features in PHP that make the language both powerful and easy to use. It allows you to embed variables directly within strings, making string manipulation more intuitive and readable.

You’ll understand better, but just to clarify, in PHP, string interpolation only works with...

What is HTTP Session

An HTTP session is a sequence of network request-response transactions. When a user logs into a web application, for example, an HTTP session is created to keep track of the user across multiple requests.

Session support allows you to register an arbitrary number of variables that will be preserved between requests....

What is a PHP Session

As seen in What is HTTP Sessions, a session ia a way to persist user data (or software needs data) across several requests from the same Http client.

In PHP, a SESSION is a global array used to store information about a user’s individual session. It’s a way that enables you to create personalized...

How to Check if Redis is Running

Redis is an open-source, in-memory data structure store. It is used to store data in a fast and efficient way. To check if Redis is running on your system, you can use the following methods:

How to check if Redis is running on Linux Ubuntu, Mint and Debian

Open a terminal and run the following command:

systemctl status...
How to install and use PuTTY on Linux Ubuntu, Mint or Debian

SSH is one of the pillars of remote and secure communication between computers, and one of the most well-known and used is PuTTY. Known for its popularity on Windows, PuTTY can also be a useful tool for Linux users.

We’ll show you how to install this powerful tool on some of the most popular Linux distributions:...

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Often, after installing the Filament Admin Panel package in a fresh Laravel project, you may run into a recurring problem. The login page keeps reloading without any error, and a question mark “?” gets appended to the URL each time.

This issue is likely to occur when you attempt to access the login page via...

Laravel's CreateOrUpdate Upsert Technique: A Comprehensive Guide with Use Cases

Laravel offers a variety of methods for interacting with databases. Among these, the createOrUpdate method, also known as the upsert technique, is a powerful tool that allows developers to streamline their code and improve efficiency. This article provides an in-depth look at the createOrUpdate method, its usage, and...

Valuable Tips for Developer Apprentices

Learning to program is a challenging journey, especially with the continuous evolution of technology. The good news is that it’s not a path you’re expected to traverse without guidance. Here are some valuable tips that can help you transform from an apprentice to a professional developer.

🎯 Immersion: The...

PostgreSQL COALESCE Function: A Comprehensive Guide

In today’s data-driven environment, PostgreSQL continues to be a leading choice for robust database management. Among its arsenal of features, the PostgreSQL COALESCE function stands as a powerful tool for managing null values. As a database professional, understanding and leveraging the COALESCE function is...