Introduction to Flatpak on Ubuntu 24.04

Flatpak is a system for running applications on Linux in a secure and isolated way. It works on many Linux distributions, including Ubuntu 24.04. Flatpak makes it easy to install apps without worrying about missing dependencies. It also allows apps to be updated easily.

1 🤔 Why Use Parallel Processing?

When running 🐍 Python programs, some tasks take a long ⏳ time to complete. For example, calling an external 🌐 API or reading large 📂 files. If we run these tasks one by one, it can be 🐌 slow. Instead, we can run them in parallel to save ⏱️ time.

1 Python’s **kwargs: What is it?

In Python, **kwargs is a special syntax that allows you to pass a variable number of keyword arguments to a function.

1 What is a virtual environment?

A virtual environment is a separate Python environment. It is isolated from your system’s Python environment. It lets you install Python packages and libraries. These packages don’t affect other projects or your system’s Python.

Hi, it’s me here again! 👋

Ever been in this situation? You have a Docker image that you’ve been using for a while, and suddenly you need to add some new softwares. Building everything from scratch again? Nobody has time for that! 😅

Let me share a neat trick I use to save time.

1 The story

It was late at night when my close friend called me. She was panicked because his database was lost.

She sent me information, then I logged into the server to check. The MySQL service was still running. I found that both general log and binary log were enabled on the server.

The split command is a useful tool for breaking down large files into smaller, more manageable pieces. It is especially helpful when dealing with file size limitations or when you need to transfer files over networks.

1 Basic Syntax and Example

The basic syntax of the split command is:

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split [OPTIONS] [INPUT [PREFIX]]

1 Introduction

PHPStan is a powerful static analysis tool for PHP that checks your code for potential errors without executing it. By using PHPStan, you can catch bugs early in the development process, improve the overall quality of your code, and ensure your project is more stable and maintainable.

1 Here are some common Git tag commands:

1. List all tags:

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   git tag # List all tags git tag -l "v1.8.5*" # List tags matching a pattern git tag -n # List all tags with commit message

PHPDocumentor is a tool that helps generate technical documentation for PHP projects. It reads your PHP code and creates detailed documentation for functions, classes, and methods… This is useful for both new developers and teams working together.

1 Why Use PHPDocumentor?

Using PHPDocumentor makes it easier to understand and maintain your code. It helps others quickly see how to use your functions and classes. Good documentation can save time and reduce mistakes. Also, it improves the quality of your project by keeping everything organized.

Understanding UUID: A Unique Identifier

UUID stands for Universally Unique Identifier. It is a 128-bit number used to identify information uniquely across different systems and applications. UUIDs are often represented as a string of hexadecimal digits, divided into five groups, such as 123e4567-e89b-12d3-a456-426614174000.

Making mind-maps and diagrams helps organize your ideas and projects. This guide will show you how to use Whimsical Diagrams with ChatGPT. We will cover everything from setting it up, saving your work, export to picture to share with other people. Just follow these easy steps to use these helpful tools.

In Laravel, the pipeline pattern helps you process a series of tasks in a clear and organized way. Instead of handling each step separately, you can use a pipeline to apply multiple actions in sequence.

This pattern is useful when you need to apply several steps to data or an object. For example, you can use a pipeline to handle an order request with steps like validation, and adding data to the order and finally save it to database.

Introducing the New “Create an Entity Relationship Diagram” Feature in Draw.io Version 24.7.5

Draw.io has just added a new feature: creating an Entity Relationship Diagram (ERD). This update makes it easier to design and visualize database structures.

Boost Your Work Productivity: A Simple Guide

In today’s fast-paced world, improving your productivity is crucial for achieving success and maintaining a healthy work-life balance. By working more efficiently, you can get more done in less time, reduce stress, and you have more time for activities you enjoy. Here’s a simple guide to help you boost your work productivity.

These are some git log commands I use everyday and I think they are helpful for you.

Sending emails through Gmail in Laravel is straightforward and requires a few setup steps to integrate Gmail’s SMTP server with your Laravel application.

Using the at Command in Ubuntu 24.04 to Schedule Tasks

The at command allows users to execute specific actions at any future time without needing continuous supervision. In this example, I use Ubuntu 24.04 to test.

The Pomodoro Technique: Enhancing Productivity

The Pomodoro Technique, developed by Francesco Cirillo in the late 1980s, has become a popular method for improving productivity and managing time effectively. Here’s a deeper look into its origins and notable users:

Inheritance is an important concept in OOP (Object-Oriented Programming). Since Golang does not support classes, there is no inheritance concept in GoLang. However, you can implement inheritance through struct embedding.

1 What is the Functional Options Pattern?

The Functional Options Pattern is a design pattern used in programming. It helps to set up options for a function or object in a flexible and clear way. Instead of having many parameters in a function, you use options to configure it.

How to Use Swagger with Docker

1 Prerequisites

To follow this guide, you need:

• Docker installed on your machine.
• Docker Compose installed on your machine.

Simplifying Version Control with Git Stash

In the world of software development, managing changes efficiently is crucial. Git, a powerful version control system, offers various commands to help streamline this process. One such command that comes in handy when you need to temporarily store your current changes without committing them is git stash.

This article offers a sample of basic Markdown syntax that can be used in Hugo content files.

Do you want to protect your data online? OpenVPN is the solution for you! Today, we will install OpenVPN on your Ubuntu 22.04 server and set up a secure VPN connection.

These are some softwares I use everyday and I think they are helpful for you.

1 Commit message conventions

Ref-Url: https://www.conventionalcommits.org/en/v1.0.0/

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<type>[optional scope]: <description>

[optional body]

[optional footer]

How To Use Screen Command In Linux: A Beginner’s Guide

Have you ever been frustrated when your SSH connection drops and your command gets terminated? If so, you need to learn about screen.

Screen is a tool that lets you create multiple sessions on a single terminal. You can detach from a screen session and re-attach to it later, even from a different computer. This way, you can keep your commands running in the background without interruption.

1 Example 1: Sort

We need to implement a sorting system that sorts an array of numbers in ascending or descending order

1.1 Without pattern

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class Sorter {
    public function bubbleSort(array $arr) {
        // Implementation of Bubble Sort
    }
    
    public function quickSort(array $arr) {
        // Implementation of Quick Sort
    }
    
    public function mergeSort(array $arr) {
        // Implementation of Merge Sort
    }
}

$sorter = new Sorter();
$sortedArr = $sorter->bubbleSort($arr); // or $sorter->quickSort($arr) or $sorter->mergeSort($arr)

Hi there, it’s me again! Today, I’ll guide you through the process of creating an SSL certificate for your local test environment on Ubuntu 20.04. It’s going to be a fun ride, so let’s get started!

In bash shell, run these commands:

Hello, today I’ve installed new Ubuntu 20.04. Then I get the wifi problem. When system start, the wifi works fine. But a few moment later, it was dropped so I cannot connect to the internet. I disable wifi, then enable wifi, it works fine for some minutes and fall into problem again.

Hello, sometimes you need to know “what is my IP address?”. In this post we will learn some ways to check public IP. Have fun!

1 https://api.myip.com

Open your browser to access this link: https://api.myip.com/. You can see something like this: {“ip”:“115.75.212.27”,“country”:“Viet Nam”,“cc”:“VN”} so your IP is: 115.75.212.27.

Bonus: You can use curl command to get data too.

In this post, we will learn how to parse json data in GoLang. Have fun!

Working with structed data

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// Import package
import (
	"encoding/json"
)

type Bird struct {
	Species     string
	Description string
}

func main() {
	jsonString := `{	
		"species": "pigeon",
		"description": "likes to perch on rocks likes to perch on rocks likes to perch on rocks"
	}`
	var bird Bird
	err := json.Unmarshal([]byte(jsonString), &bird)
    if err != nill {
        // json string is invalid.
    }
    ...
}

Hello. In this post we will learn how to build a free personal blog using Hugo + Github page. Have fun!

1 Install hugo.

• Download hugo from: https://github.com/gohugoio/hugo/releases
• Install in your PC.
• Check hugo version: hugo version