Setting Up a PHP Development Environment on Ubuntu 24.04

Upgrading Ubuntu 18.04 to 20.04 on a server running ISPConfig 3.x can be done safely, but requires careful preparation. In this guide, we discuss how to back up your server, verify ISPConfig compatibility, and perform the upgrade process. By following these steps, you can ensure that the upgrade is smooth and that your websites and services continue running without interruption.

Understanding Unicode: A Deep Dive into Universal Text Encoding

Understanding Unicode: A Deep Dive into Universal Text Encoding

Unicode is a universal encoding standard designed to support every language and symbol in use today. This article provides an in-depth look into how Unicode works in application development, exploring the challenges of string comparison, normalization, and the multiple ways that the same visual character can be represented. Learn how to handle Unicode strings in Python, JavaScript, and C, and discover how normalization can resolve issues when comparing visually identical characters.

Implementing Command Parsers on Arduino Over Serial

Introduction Command parsers are essential in embedded systems for receiving and interpreting commands from a host device, such as a computer or another microcontroller. In this article, we will explore how to implement command parsers on an Arduino over a serial connection, focusing on memory management, text buffer creation and use, string formatting, and handling

Understanding Modbus, SCPI, and GPIB Protocols and Their Implementation in Embedded Systems

Understanding Modbus, SCPI, and GPIB Protocols and Their Implementation in Embedded Systems
Control-Bus Image

A Beginners Guide Introduction Communication protocols are vital for enabling embedded devices to interact effectively. Three prominent protocols, Modbus, Standard Commands for Programmable Instruments (SCPI), and General Purpose Interface Bus (GPIB), stand out due to their widespread adoption in various industrial and testing environments. Recently, I had the opportunity to work on an embedded project

Mastering Assembly with GCC: A Comprehensive Guide to Assembling x86-64 Code

Learn how to master assembly language programming with GCC, focusing on x86-64 architecture. Explore optimization techniques, debugging strategies, and system programming concepts to unleash the full potential of low-level system programming.

Programming Languages: Loved, Loathed, and Long-Standing

The world of programming languages is vast and ever-evolving. Over the decades, many languages have been introduced, gained popularity, and sometimes faded into obscurity. Yet, some languages, despite being widely criticized, have managed to maintain a strong foothold in the industry. Conversely, others, once heralded as the future, have declined in use. This article delves into this phenomenon, examining why some languages are resilient despite criticism, while others have fallen out of favor. We will explore these dynamics globally, understanding regional preferences and the historical context that has shaped the programming landscape.

Building a Simple Modal Line Editor in Python: A Step-by-Step Guide

In this comprehensive tutorial, we guide you through creating a simple modal line editor in Python. Starting from basic functionality, we progressively add features like inserting lines before or after a specified line and implementing a yank command. Perfect for those looking to enhance their Python skills with practical text editing capabilities.

Implementing Regular Expressions (RegEx) from Scratch in Python

Implementing Regular Expressions (RegEx) from scratch in Python provides a deeper understanding of how RegEx works. This tutorial guides you step-by-step through creating a RegEx engine using finite automata, covering essential RegEx operations, converting RegEx to NFA using Thompson’s Algorithm, and building a full-featured RegEx engine.

Learning Lua Step-By-Step: (Part 24)

This entry is part 23 of 25 in the series Learning Lua Step-By-Step

In this final installment of our series, we’ll delve into Lua developer best practices. These practices encompass various aspects such as code readability, documentation, adherence to standards, version control, testing, asset management, useful tools, techniques, traits of professional developers, and the Zen of Lua.

Learning Lua Step-By-Step: (Part 23)

This entry is part 22 of 25 in the series Learning Lua Step-By-Step

Dive into Lua’s OS library functionalities covering date/time formatting, file path manipulation, time-based delays, and more. Explore examples demonstrating how to interact with the operating system efficiently, enhancing your Lua programming capabilities.