teleren/devto huggingface dataset:
Demystifying Linux Architecture: A Beginner's Guide
Published: 2024-02-20 18:18:18



Linux, the operating system that powers many of our devices, is like a well-organized city, with different parts working together to make everything run smoothly. Let's take a closer look at its architecture in simple terms.

1. **The Kernel:** Think of the kernel as the mayor of our city. It's in charge of managing all the resources our computer needs, like memory, processing power, and connecting with devices such as printers or keyboards. It ensures that everything works together efficiently.

2. **System Libraries:** These are like the city's libraries, full of books and resources that people can use. System libraries provide helpful functions and tools for software developers to create programs without having to worry about the nitty-gritty details of how the computer works. They make it easier for programs to talk to the kernel and save files or connect to the internet.

3. **System Utilities:** Just like the services in our city, such as garbage collection or electricity, Linux has utilities that help with everyday tasks. These utilities are like handy tools that allow us to manage files, run programs, or configure computer settings. They come in different shapes and sizes from simple commands we type into a terminal to graphical programs with buttons and menus.

The beauty of Linux architecture lies in its simplicity and flexibility. Because it's open-source, anyone can contribute to improving is just like how citizens can suggest improvements for their city. And because it's modular, meaning it's built-in small, interchangeable parts, Linux can be customized to suit different needs, whether it's running on a powerful server or a tiny smartphone.

In essence, Linux architecture is like a well-designed city with the kernel as its mayor, system libraries as its libraries full of resources and system utilities as its helpful services. Understanding how these parts work together can empower anyone to make the most of Linux and explore its vast possibilities.
Krea AI APK Latest version free Download
Tags: gamedev, mod, apk, beginners
Published: 2024-02-20 18:05:50

If you want to download a high-quality application through which you can do photo editing or video editing for free, then I would recommend you to download this app. This is a very secure Android application and you can download it easily. 
It has a very secure interface available which you will like very much. You can also do a lot of customization in this app as per your choice. It is a high-quality popular application and you will have a lot of fun using it.
All such people who want to do photo editing but are not able to find any good app, then they can download this app, through this you can easily edit photos through Artificial Intelligence.
[Download Krea AI APK](https://sycomod.com/krea-ai-mod-apk/)

## Real-Time Editing
You can use this application to edit any photo, through this you will be able to easily do photo editing for free. This is a very high-quality editing software and it is also very easy to use.

## User-Friendly Interface
There is a user family interface available in it which I liked very much. You can also customize this app as per your choice. This is an Android application that comes with a very modern and premium interface that you can easily use on any device. can download

## Safe and secure
It is very safe to use this app, you can download and use this application for free. This is a very popular Android application, you will enjoy downloading and using it. Krea AI is a high-quality premium Android application that any Android user can easily download and install.
Krea AI APK Latest version free Download
Tags: gamedev, mod, apk, beginners
Published: 2024-02-20 18:04:40

If you want to download a high-quality application through which you can do photo editing or video editing for free, then I would recommend you to download this app. This is a very secure Android application and you can download it easily. 
It has a very secure interface available which you will like very much. You can also do a lot of customization in this app as per your choice. It is a high-quality popular application and you will have a lot of fun using it.
All such people who want to do photo editing but are not able to find any good app, then they can download this app, through this you can easily edit photos through Artificial Intelligence.

## Real-Time Editing
You can use this application to edit any photo, through this you will be able to easily do photo editing for free. This is a very high-quality editing software and it is also very easy to use.

## User-Friendly Interface
There is a user family interface available in it which I liked very much. You can also customize this app as per your choice. This is an Android application that comes with a very modern and premium interface that you can easily use on any device. can download

## Safe and secure
It is very safe to use this app, you can download and use this application for free. This is a very popular Android application, you will enjoy downloading and using it. Krea AI is a high-quality premium Android application that any Android user can easily download and install.
🔥Webperf Tips (1) - Case Study - Gastein.com
Tags: javascript, webperf, webdev, css
Published: 2024-02-20 17:52:39

{% youtube HB85upkDBxE %}

Hi all! 

I have decided to start a series of videos about **Webperf Case Studies** of various websites. Just for fun.

## About this series
On my **[my Youtube channel](https://youtube.com/@machy8?sub_confirmation=1)**, 
there is a playlist for **Web Performance Case Studies** and it will be focused primarily on this type of videos. 

If you want to learn about webperf bottlenecks, subscribe to my channel and yo might find similar mistakes on your website and quickly learn how to fix them.

**If you want me to analyse your website, leave it in the comments youtube**🤟.

## How it works
- I find a random website and analyse it
- After that, I try to explain, how to fix each issue I find

## In This video - Gastein.com

✅How to fix blocking head tag resources
✅How to improve Interaction to the next paint 
✅Carousel (like Slick) loading tips
✅Modern dialog libraries alternative
✅Others

---

▶️ Subscribe **[to my Youtube channel](https://youtube.com/@machy8?sub_confirmation=1)** to learn more!
Journey to Freelancing
Tags: webdev, freelance, javascript, programming
Published: 2024-02-20 17:43:56

## Check out my latest website:

### [Clif Codes](https://clifcodes.dev)

Programming, not just web development, has been a passion of mine since I was a child. I have been coding since my early teen years, however I have shifted my main focus since separating from the U.S. military. My goal has been to become a web developer, which I have done an amazing job at, personally speaking.

I received some advice from a mentor recently that I needed to stand out from the other applicants in my job search in order to get anywhere. I am all for a little bit of competition amongst job applicants, but in the field of web development right now - it's absurd (if you know you know). This is when I felt the need for a shift. I love what I do, however I do not love how competitive the nature of finding a job (doing what I love) has become. I feel that there is an unnecessary anxiety and hopelessness brought about with the overall competitiveness of the job market right now. With that being said, I figured it was time to take matters into my own hands.

After completing several of my own projects, releasing a portfolio, and then creating a large scale, full-stack application ... I was still no closer to finding work than I was before. The difference, however, is that I am now stacked with all of these amazing skills that I have picked up and have been dying to show off. I am so excited to engage with clients, give consults, and be the boss of my own work environment. I have never taken on a challenge like this, and I am excited to see where this road leads me and my work in the future.

### New webiste

I created a fresh new landing page for my services as a freelance web developer. Seeing as this is a sort of fresh start for my career, I wanted to start off on a new foot. 

I leveraged Tailwind CSS to create my static app which was something new for me. 

The app offers an outlet to see my schedule/availability, find my contact links quickly and efficiently, schedule consults with me, and see the core services that I will be offering. I cannot list every possible service that I can perform, as my skills over the years have grown vast in the world of web development - which is why there is the 1-off solution service listed as well.

After months of grueling job searching without any success, I am nervous and excited to be able to take control of my destiny. I believe that I will be successful in this endeavor as I am a self-starter; I have gotten this far into my journey on my own accord and I believe I have done well thus far. Be sure to check out my new website and leave my some anonymous feedback on the [contact](https://clifcodes.dev/contact) page :)
Node Server Setup
Published: 2024-02-20 17:41:29

1 . give new folder name ServerSide or backendServer
2. write this text  $ npm init -y 
3. create file Server.js
4. install this npm service  $ npm install express mysql cors cookie-parser bcrypt jsonwebtoken multer path nodemon 
5.create 5 impotent folder in MVC Public/images , Routers , Models , controllers , Utils , 
6. package.json add some text 
"main": "Server.js",
  "type": "module",
 "scripts": {
       "start": "nodemon Server.js"
  }
7. Utils/ db.js file create and connect mysqul or other database 

import mysql from 'mysql'

const db = mysql.createConnection({
    host: 'your_mysql_host',
  user: 'your_mysql_user',
  password: 'your_mysql_password',
  database: 'your_mysql_database'
})

db.connect(function(err) {
    iif (err) {
    console.error('Error connecting to MySQL: ' + err.stack);
    return;
  }
  console.log('Connected to MySQL as id ' + db.threadId);
})

export default db;

8.server.js work 
	import express from "express";
	import cors from 'cors'

const app = express() 
const port  = 5175 ;
const localhostPort = 7175 ;
app.use(cors({
    origin: [`http://localhost:${localhostPort }`],
    methods: ['GET', 'POST', 'PUT', "DELETE"],
    credentials: true
}))
app.use(express.json())

app.listen(port  , () => {
    console.log("Server is running")
})
app.use(cors(db));

9. Routers  file all Route here contoll.
10. controllers  fill ey all logic controll here .
KDE Project kommt mit dem global release der KDE Gear 23.08.5
Published: 2024-02-20 17:37:30

KDE Project kommt mit dem global release der KDE Gear 23.08.5

Das release kommt mit vielen fixes  und vielen Verbesserungen. 


[b]Links, Daten und Hintergründe[/b]
https://kde.org/de/
https://kde.org/announcements/changelogs/gear/23.08.5/
Bulletin Board 1
Published: 2024-02-20 17:12:36

##**setting up db with rails console**
```
rails generate draft:resource <MODEL_NAME_SINGULAR> <COLUMN_1_NAME>:<COLUMN_1_DATATYPE> <COLUMN_2_NAME>:<COLUMN_2_DATATYPE> # etc
```
to generate a complete, database-backed web resource, use the code snippet above. It is actually exactly the same as creating and generating a model and a table, but instead model is replaced with `draft:resource`. below is an example of using this. 
```
rails generate draft:resource post title:string body:text expires_on:date board_id:integer
```
or...in our assignment here...
```
rails generate draft:resource board name:string
```
this action that we just did has essentially installed all of our standard CRUD action boilerplate for us (navigate to `/posts`. if you would like to delete the action you just made, you can also `rails destroy draft:resource`, `rake db:rollback`, `rails destroy draft:resource post` or go back to the last git commit. you can then correct your error and then regenerate. 

##**adding and removing columns**

- To modify existing tables, the most common tools we use are `add_column` and `remove_column`. 

- generate a new migration (not a whole model like above) at a bash prompt with, for example, use `rails g migration AddImageToPosts`, or `rails g migration RemoveExpiresOnFromPosts`

- then, go into the new migration file and add instructions to make the `change` you want within the change method (or the `up` method, if that’s what you find inside instead of change)
```
def change
  add_column :posts, :image, :string
end
```
- with ultimate last resort, use `rake db:drop` 

##**other notes**

- rspec rails framework 

`bundle exec rspec`or `rspec` to run rails debugging with ruby gem inside the GemFile
Efficient PHP Script for Calculating Scores in a Baseball Game (code practice recuiter)
Tags: webdev, tutorial, php, beginners
Published: 2024-02-20 17:04:43

Have you ever wondered how to efficiently calculate scores in a baseball game using PHP? Look no further! In this post, we'll delve into a well-optimized PHP script that effectively processes a sequence of baseball game operations and delivers accurate results.

```
<?php
$ops = ["5", "-2", "4", "C", "D", "9", "+", "+"];
$results = [];

foreach ($ops as $op) {

    if (is_numeric($op)) {
        // If the current operation is a number, add it to the results array
        $results[] = $op;
    } elseif ($op == "+") {
        // If the current operation is '+', calculate the sum of the last two scores and add the result to the array
        $score = end($results) + $results[count($results) - 2];
        $results[] = $score;
    } elseif ($op == "D") {
        // If the current operation is 'D', double the last score and add the result to the array
        $score = end($results) * 2;
        $results[] = $score;
    } elseif ($op == "C") {
        // If the current operation is 'C', remove the last score from the array
        array_pop($results);
    }
}

// Calculate the sum of all scores in the results array and echo the result
echo array_sum($results);
?>

```
Operations Array: $ops = ["5", "-2", "4", "C", "D", "9", "+", "+"]; - Defines an array of operations (numbers, '+', 'D', 'C').

Results Array: $results = []; - Initializes an empty array to store the scores.

Main Loop: foreach ($ops as $op) { ... } - Iterates through each operation in the $ops array.

Handling Numeric Values: if (is_numeric($op)) { ... } - If the current operation is a number, add it to the $results array.

Handling '+' Operation: elseif ($op == "+") { ... } - If the current operation is '+', calculate the sum of the last two scores and add the result to the $results array.

Handling 'D' Operation: elseif ($op == "D") { ... } - If the current operation is 'D', double the last score and add the result to the $results array.

Handling 'C' Operation: elseif ($op == "C") { ... } - If the current operation is 'C', remove the last score from the $results array.

Calculate and Echo Sum: echo array_sum($results); - Calculates the sum of all scores in the $results array and echoes the result.
118 berufliches Vorwärtskommen: Liest du?.
Tags: deutsch, career, motivation, discuss
Published: 2024-02-20 17:00:00

Moin Moin,

liest du Bücher – insbesondere Fachliteratur?
Ich las in _Peopleware_ von DeMarco und Lister, dass ihrer Erfahrung nach IT-Fachkräfte kaum läsen. Die meisten besäßen nicht einmal ein einziges Fachbuch.
( Stellt sich die Frage, wie viele von denen, die immerhin eines haben, dieses auch gelesen haben ).

Natürlich finden wir viele Informationen auf unseren Bildschirmen – wobei E-Bücher zu den Büchern zählen. Viele Tutorials sind auf Web-Seiten in Textform oder in Videos auf Video-Plattformen. Oft ist die Dokumentation für bestimmte Werkzeuge – sinnigerweise – virtuell verfügbar und wird nicht über Verlagswege zu uns gebracht.

1) Meinst du dennoch, dass es sinnvoll ist für einige Themen der Informatik Fachbücher zu haben ( und zu lesen )?
2) Welches Fachbuch mit Bezug zur Informatik hast du zuletzt gelesen?

Lass uns mittels Kommentaren austauschen.

Beste Grüße,
Mustafa

Oder auch mittels E-Mail: mustafa.kevin.dwenger@posteo.de
Betreff: Austausch
Efficient PHP Function for Counting Valid Time Formats with '?' Placeholder (Turing code challenge)
Tags: webdev, php, beginners, learning
Published: 2024-02-20 16:59:19

Are you in need of a versatile PHP function to count the number of valid time formats with a '?' placeholder? Look no further! In this post, we'll explore a well-optimized PHP function, countValidTimeFormats, that efficiently generates and validates time formats.

```
<?php
function countValidTimeFormats($s) {
    $count = 0;
    $splited  = explode(':', $s);
    $range = stripos($splited[0], '?') !== false ? range(0, 24) : range(0,59);
    foreach($range as $num){
      
      $formattedTime = stripos($splited[0], '?') !== false ? 
              str_replace('?', $num, $splited[0]).':'.$splited[1] : 
              $splited[0] .':'.str_replace('?', $num, $splited[1]);
        // Validate the formatted time
        if (isValidTime($formattedTime)) {
            $count++;
        }
    }

    return $count;
}

function isValidTime($time) {
    $pattern = '/^(0[0-9]|1[0-9]|2[0-3]):([0-5][0-9])$/';
    return preg_match($pattern, $time);
}

// Example usage
echo countValidTimeFormats("?4:00"); // Output: 2
echo countValidTimeFormats("20:1?"); // Output: 10
?>
```
countValidTimeFormats Function:
Input Splitting: $splited = explode(':', $s); - Splits the input string into an array using the colon (':') as the delimiter. This separates the hours and minutes.
Determine Range: $range = stripos($splited[0], '?') !== false ? range(0, 24) : range(0, 59); - Determines the range of values based on the presence of '?' in the hour component. If '?' exists, the range is set from 0 to 24 (hours); otherwise, it is set from 0 to 59 (minutes).
Generate and Validate Formats: The foreach loop iterates through the specified range. It generates a formatted time string by replacing the '?' with the current value in either the hour or minute component based on the determined range. The formatted time is then validated using the isValidTime function.
Count Valid Formats: If the generated time format is valid, $count++ increments the count.
Return Count: The function returns the final count of valid time formats.
isValidTime Function:
Time Format Validation: $pattern = '/^(0[0-9]|1[0-9]|2[0-3]):([0-5][0-9])$/'; - Defines a regular expression pattern for validating the 24-hour time format (hh:mm).

Validation Check: return preg_match($pattern, $time); - Uses preg_match to check if the provided time string matches the specified pattern.

## In summary
The code efficiently generates and validates time formats based on the presence of '?' in the input string. It handles both hour and minute placeholders, ensuring adherence to the 24-hour time format. The provided example usage demonstrates how the function can be applied to count valid time formats for different input strings.
Be a better developer with these Git good practices
Tags: webdev, javascript, beginners, programming
Published: 2024-02-20 16:46:44

Git is a powerful version control system that plays a crucial role in modern software development. Whether you are working on a solo project or collaborating with a team, adopting good Git practices can enhance productivity, collaboration, and code quality. In this article, we will explore some essential Git practices that can help you become a better developer.

1. Use Meaningful Commit Messages
Writing clear and descriptive commit messages is fundamental to understanding the history of a project. A well-crafted commit message explains the purpose of the change, making it easier for you and your collaborators to comprehend the project's evolution.

bash
Copy code
# Bad Example
git commit -m "Fix bug"

# Good Example
git commit -m "Fix issue #123: Resolve null pointer exception in UserController"
2. Create Feature Branches
Avoid making changes directly on the master or main branch. Instead, create feature branches for each task or feature. This practice allows you to isolate changes, making it easier to review, test, and merge code.

bash
Copy code
git checkout -b feature/add-new-feature
# Make changes and commit
git push origin feature/add-new-feature
3. Regularly Pull from Upstream
If you are working in a collaborative environment, regularly pull changes from the upstream repository to stay up-to-date with the latest developments. This prevents merge conflicts and ensures smoother collaboration.

bash
Copy code
git pull origin main
4. Keep Commits Small and Focused
Break down your changes into small, focused commits. Each commit should represent a logical and independent unit of work. This practice simplifies code review, rollback, and collaboration.

bash
Copy code
# Bad Example
git commit -m "Update UI, refactor backend, and add new feature"

# Good Example
git commit -m "Refactor authentication logic"
git commit -m "Update user profile UI"
git commit -m "Implement forgot password feature"
5. Use .gitignore Wisely
Keep your repository clean by using a well-defined .gitignore file. This file specifies intentionally untracked files and directories that Git should ignore. This prevents unnecessary files, such as build artifacts and IDE configurations, from being included in version control.
Taking the First Step to Leave 9to5Slavery
Tags: business, ai, 9to5slavery
Published: 2024-02-20 16:42:16

Welcome to my first blog post! In this post, I'll be talking about my journey toward leaving the standard 9-to-5 job world, aka "9to5slavery." My goal is to inspire you to start thinking about your own business ventures and side hustles.

### What is 9to5Slavery?

The "9to5" refers to the typical full-time office job with set working hours of 9am to 5pm. For many, this schedule becomes confining or unfulfilling over time. While these jobs provide stability, they limit creativity and career growth. The "slavery" aspect comes from feeling trapped in a job you don't love.

### Why Leave 9to5Slavery?

Starting your own business allows you to be in control. You can choose your hours, projects, and approach. While riskier, entrepreneurship enables faster career and personal growth. Your business also benefits society by providing jobs and solutions. Leaving 9to5 slavery leads to freedom and impact.

### How to Start Leaving 9to5Slavery:

Leaving a stable job seems daunting, but can be done through small steps:

* Identify your passions and skills that could be offered as services or products. Think about problems you can solve.
Research the market and potential business models in your area of interest.
* Start moonlighting by doing projects or taking on clients on the side.
* Build up your side hustle until profitable enough to transition out of your 9 to 5.
* Limit risks by starting while still employed. Save up an emergency fund.
* Take the leap when the time feels right!

![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/nfakken7xk4pz6n5790m.png)

Starting a business is challenging but rewarding. With the right idea, market, and effort - you can leave 9to5slavery. My journey is just beginning, but I'm excited to take this first step. I hope this motivates you to start thinking about your own passions and getting out of the trap of 9to5 dissatisfaction. Together we can build careers and companies that change our lives and society.

Let me know in the comments if you'd like to hear more about my entrepreneurial journey! What are your dreams outside the 9 to 5?
A quick-start guide on hosting Express on a PaaS
Tags: webdev, productivity, devops, express
Published: 2024-02-20 16:41:34

**Get started with express on the Upsun PaaS**

Take a deep dive into our quick-start guide on hosting Express (at the time of writing, the most recent version of Express is [4.18.2](https://www.npmjs.com/package/express)) on Upsun where we will demonstrate just how simple it is to host your Express projects on our PaaS.

**What will your learn from this guide?**

💡 Getting started locally from your GitHub repository
💡 Configuring your project
💡 Creating your new Upsun project
✨ And the magic of deploying on Upsun

Why wait, **[try it now](https://upsun.com/blog/setting-up-express-on-upsun/?utm_source=devto&utm_medium=organic-social&utm_campaign=Upsun-blog)** 💪