teleren/devto huggingface dataset:
Unlock the Power of Laravel Routes: A Journey into Seamless Web Development for Beginners!
Tags: webdev, laravel, routes, beginners
Published: 2023-11-11 15:56:26

## Introduction
In Laravel, routes play a pivotal role in defining the entry points to your web application. They determine how your application responds to different HTTP requests. This article will guide you through the fundamentals of Laravel routes, helping you comprehend their significance and how to leverage them efficiently.

## 1. Basic Route Setup
Let's start with the basics. In Laravel, defining routes is a breeze. Open your `web.php` file in the `routes `directory, and you're ready to roll.

```javascript 
// routes/web.php

Route::get('/', function () {
    return 'Welcome to your Laravel application!';
});

Route::post('/submit', function () {
    return 'Form submitted successfully!';
});

```
In the example above, we've created two routes—one for handling `GET` requests to the root URL (`/`) and another for `POST` requests to `/submit`. The closure functions dictate the responses for these routes.

## 2. Route Parameters
Routes often need to handle dynamic data. Laravel makes this easy with route parameters.

```javascript 
// routes/web.php

Route::get('/user/{id}', function ($id) {
    return 'User ID: ' . $id;
});

```javascript 
In this example, the `{id}` in the route pattern captures any value in the URL and passes it to the closure function as a parameter.

## 3. Route Groups and Middleware
Organizing routes becomes essential as your application grows. Laravel provides route groups to keep things neat and tidy.

```javascript 
// routes/web.php

Route::prefix('admin')->group(function () {
    Route::get('/', function () {
        return 'Admin Dashboard';
    })->middleware('auth');
});

```
Here, we've grouped routes under the `/admin` prefix, and we've applied the `auth` middleware, ensuring that only authenticated users can access these routes.

## 4. RESTful API Routes
For applications with a focus on API development, Laravel simplifies the creation of RESTful routes.

```javascript 
// routes/api.php

Route::resource('posts', 'PostController');

```
This single line generates a set of routes for common CRUD operations on the `Post` resource, making API development a breeze.

## 5. Named Routes and URL Generation
Named routes provide a way to reference routes by a specific name, enhancing code maintainability and flexibility.

```javascript 
// routes/web.php

Route::get('/dashboard', function () {
    return 'User Dashboard';
})->name('dashboard');

```
Now, you can generate URLs using the route's name:

```javascript 
$url = route('dashboard'); // Returns the URL for the 'dashboard' route

```

## Conclusion
Mastering Laravel routes is a key step toward becoming a proficient Laravel developer. Armed with these basics, you can now confidently define and organize your application's endpoints. Happy coding!
C# - Efficient File I/O with Memory-Mapped Files
Tags: csharp, programming, tutorial
Published: 2023-11-11 15:30:00

Memory-mapped files are a powerful feature in C# for efficiently reading and writing large files, especially when dealing with files that don't fit entirely in memory. They allow you to map a portion of a file directly into memory, significantly improving performance.

```csharp
using System;
using System.IO;
using System.IO.MemoryMappedFiles;
using System.Text;

class Program
{
    static void Main()
    {
        // Define the file path and size
        string filePath = "largefile.txt";
        long fileSize = 1024 * 1024 * 100; // 100 MB

        // Create or open the memory-mapped file
        using (var mmf = MemoryMappedFile.CreateFromFile(filePath, FileMode.OpenOrCreate, null, fileSize))
        {
            // Create a memory-mapped view accessor to read and write data
            using (var accessor = mmf.CreateViewAccessor())
            {
                // Write data to the memory-mapped file
                string dataToWrite = "Hello, Memory-Mapped Files!";
                byte[] dataBytes = Encoding.UTF8.GetBytes(dataToWrite);
                accessor.WriteArray(0, dataBytes, 0, dataBytes.Length);

                // Read data from the memory-mapped file
                byte[] readData = new byte[dataBytes.Length];
                accessor.ReadArray(0, readData, 0, readData.Length);

                string readDataString = Encoding.UTF8.GetString(readData);
                Console.WriteLine("Data read from memory-mapped file: " + readDataString);
            }
        }
    }
}
```

In this example:

1. We define the file path (`filePath`) and size (`fileSize`) for the memory-mapped file. In this case, we're working with a 100 MB file.

2. We create or open the memory-mapped file using `MemoryMappedFile.CreateFromFile`. If the file doesn't exist, it will be created.

3. We create a memory-mapped view accessor using `mmf.CreateViewAccessor()`. This accessor allows us to read and write data to the memory-mapped file efficiently.

4. We write data to the memory-mapped file using `accessor.WriteArray`. In this example, we write a string to the file after converting it to bytes.

5. We read data from the memory-mapped file using `accessor.ReadArray`. We read the data back into a byte array and then convert it to a string.

Memory-mapped files are an excellent choice for large files because they provide efficient random access to data, reduce I/O overhead, and significantly improve read and write performance. They are particularly useful for scenarios like log file processing or working with large datasets that don't fit entirely in memory.
Unleashing the Power of Keen Technologies
Tags: tech, ai, news
Published: 2023-11-11 15:22:50

In the [dynamic world of technology,](https://www.wowfactssomeone.site/2023/10/unleashing-power-of-keen-technologies.html) where innovation reigns supreme, Keen Technologies have emerged as a driving force, reshaping the digital landscape. This article takes a deep dive into the realm of Keen Technologies, elucidating its significance, applications, advantages, and future prospects, all in a conversational and informative style.
Blockchain Technology: Beyond Cryptocurrency
Tags: blockchain, ai
Published: 2023-11-11 15:14:38

[Blockchain technology,](https://www.wowfactssomeone.site/2023/10/blockchain-technology-beyond.html) initially renowned for its association with cryptocurrencies, has now emerged as a revolutionary force with far-reaching implications. In this extensive blog, we will delve into the multifaceted world of blockchain technology, exploring its impact beyond cryptocurrency and the limitless possibilities it offers.



 Facts



Let's begin by examining some essential facts about blockchain technology:



- **Origin**: Blockchain technology was conceptualized in 2008 as the underlying technology for Bitcoin by an entity known as Satoshi Nakamoto.



- **Decentralization**: It operates on a decentralized network of computers, ensuring that no single entity has control over the entire system.



- **Immutable Ledger**: The blockchain ledger is immutable, meaning that once data is added, it cannot be altered or deleted.



- **Security**: It relies on advanced cryptographic techniques to secure transactions and data, making it highly resistant to hacking.

https://www.wowfactssomeone.site/2023/10/blockchain-technology-beyond.html


Now, let's explore the nutrients of blockchain technology that have propelled it into various industries.
Placeholder Maintainer
Tags: hack23maintainer
Published: 2023-11-11 15:11:45

<!-- ✨This template is only meant to get your ideas going, so please feel free to write your own title, structure, and words! ✨ -->

### Intro
<!-- Share a bit about yourself as a maintainer. Is this your first Hacktoberfest, or have you maintained in others? Feel free to embed your GitHub account by using {% embed LINK %} -->

### Project
<!-- Tell us about the repository that you hosted. What processes did you set up to review and merge pull requests? Feel free to embed your GitHub repo by using {% embed LINK %} -->

### Highs and Lows
<!-- What were some of your biggest accomplishments or light-bulb moments this month? Did any problems come up that seemed impossible to fix? How did you adapt in those cases?  -->

### Growth
<!-- What was your skillset before Hacktoberfest 2023 and how did it improve? Have your project goals changed since publicly maintaining it? -->
Placeholder Contributor
Tags: hack23contributor
Published: 2023-11-11 15:11:17

<!-- ✨This template is only meant to get your ideas going, so please feel free to write your own title, structure, and words! ✨ -->

### Intro
<!-- Share a bit about yourself as a contributor. Is this your first Hacktoberfest, or have you contributed to others? Feel free to embed your GitHub account by using {% embed LINK %} -->

### Highs and Lows
<!-- What were some of your biggest accomplishments or light-bulb moments this month? Did any problems come up that seemed impossible to fix? How did you adapt in those cases?  -->

### Growth
<!-- What was your skillset before Hacktoberfest 2023 and how did it improve? Have your learning or career goals changed since working on these new projects? -->
Inaugural Correspondence: Google
Tags: webdev, google, flutter, firebase
Published: 2023-11-11 15:04:43

Dear Google,

I extend this letter with admiration for Google's prominent position in the tech industry. I trust that all is thriving at your headquarters in Mountain View, California. This correspondence marks the initiation of a dialogue between the dynamic developer community and your esteemed organization.

Google is highly esteemed by the global developer community for its significant impact on technology. Pioneering initiatives from your end have not only reshaped the tech landscape but have also remarkably facilitated the journeys of developers worldwide. The community is appreciative of the innovation and resources that Google has contributed to our field.

This letter primarily serves as an introduction, paving the way for discussions on a myriad of topics in our future correspondences.

I kindly request your consideration in acknowledging and, where appropriate, responding to these letters. Such engagement would not only keep us abreast of your perspective but also foster trust within the community, underscoring your commitment to both developers and your organization.

In conclusion, I extend warm regards to your Chief Executive Officer and Chief Operating Officer, expressing our deep respect for their leadership.

With sincere anticipation, we look forward to the commencement of a fruitful dialogue. Rest assured, we will remain in contact, eager to deepen the connection between our respective realms.

Yours sincerely,

Mitch Chimwemwe Chanza

Tech Community Representative
CAP Theorem
Tags: systemdesign, database, mongodb, distributedsystems
Published: 2023-11-11 14:52:46

Theorem: Distributed systems can only guarantee 2 out of 3: CAP.

## Acronym

C - Consistency - If two requests are made from different sources against different "nodes" off the distributed store, you will get the same data returned.
A - Availability - If two requests are made from different sources against different "nodes" off the distributed store, you will get a response.
P - Partition Tolerance - If nodes are disconnected, the system will continue to work. Assumed as constant in distributed systems.

## DB Types

### CA Database - Consistent and Available

Not partition tolerant.

Databases - SQL: PostgreSQL and MySQL.

### AP Database - Available and Partition Tolerant

Access to the same dataset but no guarantee every request will receive the same response.

Databases - NoSQL: Mongo and HBase

### CP Database - Consistent and Partition Tolerant

Guaranteed that every request receives the same response.

Databases: Spanner, Dynamo, Cosmos and Cockroach

## Implementing Consistency

Foundations: Raft and MVCC

### Raft

Distributed Consensus Algorithm provides atomic writes and consistent reads.

#### **Raft Leader**

- Leader is elected
- Coordinates all writes, proposes commands to followers
- Only allowed to serve authoritative up-to-date

#### **Atomic Writes(Replication)**

Commands are proposed to the Raft Leader replica and distributed to followers but only accepted when a quorum of followers have acknowledged receiving it. This helps with consistency.

### Multiversion concurrency control - MVCC

Ensures consistent data is always present without any overlap for transactions.

## Applying CAP in real world for comprehension

### Bank

Two ATMs support 3 operations: withdraw, deposit and check balance. These ATMs don't have a central database.

Prioritizing Consistency - The ATM may refuse to accept deposits or withdraws when there is a partition. This leads to a sad customer.

Prioritizing Availability - The customer can withdraw the full balance from both ATMs when there is a partition. This leads to a negative balance.

## Conclusion

This is just a high level overview on the CAP theorem. The world is more complex than this. CAP theorem assumes there is a partition, but if there isn't, we also have latency vs consistency in the PACELC theorem.
Monthly Amazon Location Service Updates - 2023.10
Tags: amazonlocationservice, amplifygeo, amplify, amazonlocationserviceupdates
Published: 2023-11-11 14:48:38

![img](https://day-journal.com/memo/images/logo/aws/location-service.png)

### Monthly Amazon Location Service Updates - 2023.10

<br>

This is a summary of the October updates for Amazon Location Service.

<br>

## 2023.10 Updates

[Amazon Location Service adds bounding box search for device positions](https://aws.amazon.com/about-aws/whats-new/2023/10/amazon-location-service-bounding-box-search-device-positions)
Geographic bounding box search for device location is now supported.

[Added option to GeoJSON conversion helper (placeToFeatureCollection) in Amazon Location SDK](https://github.com/aws-geospatial/amazon-location-utilities-datatypes-js)
GeoJSON conversion helper (placeToFeatureCollection) now has an option to work with MapLibre.

<br>

## Other Info

[Amazon Location Service Demo](https://location.aws.com)
Official Amazon Location Service demo.

[Amazon Location Service Developer Guide](https://docs.aws.amazon.com/location/latest/developerguide)
Official Amazon Location Service Documentation.

[AWS Geospatial](https://github.com/aws-geospatial)
Official AWS Geospatial samples.

[Amazon Location Service Samples](https://github.com/aws-samples/amazon-location-samples)
Official Amazon Location Service samples.

[Amplify Geo Docs](https://docs.amplify.aws/lib/geo/getting-started/q/platform/js)
Official Amplify Geo Docs.

[amazon-location-service-starter](https://github.com/dayjournal/amazon-location-service-starter)
Build environment to get started with Amazon Location Service.

[A Summary of How to Build Amplify Geo and Amazon Location Service](https://dev.to/aws-builders/a-summary-of-how-to-build-amplify-geo-and-amazon-location-service-5hal)
Summary of Amazon Location Service and Amplify Geo. (as of December 2021)  

[dev.to](https://dev.to/dayjournal)
Articles on Amazon Location Service.

[tags - Amazon Location Service](https://day-journal.com/memo/tags/Amazon-Location-Service)
[tags - Try](https://day-journal.com/memo/tags/Try)
Notes on Amazon Location Service. (Japanese)

<br>

## Related Articles

{% link https://dev.to/aws-heroes/monthly-amazon-location-service-updates-202309-3co6 %}
Hacktoberfest23
Tags: hack23contributor, newbie
Published: 2023-11-11 14:33:34

## Contribution to Hacktoberfest 2023

### Intro
Hacktoberfest has always been more than just a month-long celebration; it's a community-driven initiative that encourages collaboration, learning, and growth.

It is a pleasure to announce that I have completed this year's event.
{% embed https://github.com/lizardkingLK %}

### Highs and Lows
I was struggling to find some repos to contribute to because it was overwhelming at first. But finally, I could kick it off around the 2nd week.

So I mainly focused on improving styling with techs like tailwindCSS. Starting from there I also worked on UI and date-related issue fixings.

### Growth
As a contributor, there are things to improve with the help of others in the community. So it is always important to ask what this does and this. They will help you out.

Thanks for reading! ❤🎃🤟🏿
Powering Up: Easy Energy App Development with Web App Services
Published: 2023-11-11 14:26:31


In today's tech-driven world, finding the right Energy App Development partner can be a game-changer. Enter the wizards of simplicity, your go-to experts in Raleigh—[Web App Development Services](https://techxpert.io/). Let's take a stroll through their easy solutions, making Energy App Development a breeze.


## Web App Services Unveiled: Simplifying Energy App Development

Web App Services, your friendly tech wizards in Raleigh, are here to simplify the complex world of Energy App Development. Step into the realm where Web App Services work their magic, creating solutions that are not just powerful but also incredibly easy to use.

## Your Energy Ally: How Web App Services Master Energy App Development

Right here in Raleigh, Web App Services emerge as your trusted Energy App Development partner. They don't just create apps; they build companions that understand your energy needs. Web App Services become your ally, ensuring every app they craft is effortlessly useful for you.

### Unleashing Tech Wonders: Web App Services as Your Local Energy Experts

Web App Services, your local tech experts, are on a mission to unleash the wonders of technology for you. Explore the simplicity of Energy App Development and let Web App Services guide you through the world of effortless energy solutions.

#### Making Tech Easy: Web App Services' Approach to Energy App Development in Raleigh

In the heart of Raleigh, Web App Services are changing the game by making technology easy. Energy App Development becomes straightforward and accessible under their expert care. Web App Services' approach is not just about apps; it's about simplifying your energy experience.

### Your Energy App Partner: Web App Services' Easy Solutions

When it comes to Energy App Development in Raleigh, Web App Services aren't just developers; they are your partners. Every app they create is designed to be easy, ensuring that you don't need a tech manual to navigate through the energy landscape.

### The Web App Services Difference: Energy Apps, Made Easy in Raleigh

What sets Web App Services apart is their commitment to making Energy App Development easy for everyone. In Raleigh, they are not just developers; they are your guides in the world of hassle-free energy technology.

Now, let's explore why having an Energy App Development partner like Web App Services is a game-changer for Raleigh residents.

Living in a city like Raleigh, where life is fast-paced, having a local Energy App Development partner simplifies your energy needs. Web App Services understands the pulse of the community and tailors their solutions to meet the specific energy requirements of Raleigh residents.
Scripting VS Programming
Tags: programming, python
Published: 2023-11-11 14:22:43

Scripting And Programming Languages are Computer Languages. 

>all the Scripting Languages Are Programming Languages (i.e. Python) But All The Programming Languages Are Not Scripting Languages (i.e. Java).The basic difference between them is that scripting languages are **not compiled**, they are **_*interpreted_**.

_interpretation in the context of programming refers to ,the process of translating and executing source code directly, without a separate compilation step._


<u>**Scripting Languages:**</u>
scripting languages are programming languages are specially designed to operate within runtime environments. Languages Such as Python and Javascript, being often interpreted, rely on the runtime environment for their execution. The Runtime Environment includes essential components like interpreters, libraries and memory management, ensuring that the scripting language can run smoothly and efficiently. scripting is particularly useful for **Automating Repetitive tasks** and **Rapid Prototyping(_creating a basic version of a software application with essential features_)**.

<u>**Programming Languages:**</u>
Programming, in simple words, is like giving instructions to a computer to make it perform specific tasks. we use **Programming Languages**  like Python, Java, C etc. to give precise Instructions to computer. the computer then follows these instructions and does what you want it to do, whether it is solving a problem, processing data, or creating a game.

**Difference Between Scripting And Programming(as verbs) in computer science:**

<u>**Nature:**</u> **_Scripting-_** Scripting is typically linked to creatin scripts, sequence of commands executed without requiring compilation.

_**Programming:**_ Programming Involves Crafting code to build software or application, often necessitating a compilation step before execution step.

**<u>Execution: </u>** **_Scripting-_**Scripts are commonly interpreted at runtime, allowing for immediate adjustments.

**_Programming-_** Programs undergo a compilation(transformation) into machine-readable code, transforming the written code into the language the computer can understand. 

**<u>Application:</u>**  **_Scripting-_**- Frequently used for automating specific tasks, swift prototyping and managing smaller-scale operations.

**_Programming-_** Applied for developing intricate software, applications with scalability and efficiency.
Deploy on docker using github actions
Published: 2023-11-11 13:54:20

- You just need to set up `RENDER_DEPLOY_HOOK_URL`,`DOCKER_USER`,`DOCKER_PASSWORD`,`REPO_NAME` secrets in Settings.

> And go in folder where `Dockerfile` is, in my case `backend/` folder 
`run: docker build backend/ --file backend/Dockerfile --tag $DOCKER_USER/$REPO_NAME:${{ steps.date.outputs.date }}`


```
name: Deploy docker starting

on:
  push:
    branches: [ "main" ]
  pull_request:
    branches: [ "main" ]

# Env variable
env:
  DOCKER_USER: ${{secrets.DOCKER_USER}}
  DOCKER_PASSWORD: ${{secrets.DOCKER_PASSWORD}}
  REPO_NAME: ${{secrets.REPO_NAME}}
  deploy_url: ${{ secrets.RENDER_DEPLOY_HOOK_URL }}

jobs:
  push-image-to-docker-hub:  # job name
    runs-on: ubuntu-latest  # runner name : (ubuntu latest version) 
    steps:
    - uses: actions/checkout@v2 # first action : checkout source code
    - name: docker login
      run: | # log into docker hub account
        docker login -u $DOCKER_USER -p $DOCKER_PASSWORD  
    - name: Get current date # get the date of the build
      id: date
      run: echo "date=$(date +'%Y-%m-%d--%M-%S')" >> $GITHUB_OUTPUT

    - name: Build the Docker image # push The image to the docker hub
      run: docker build backend/ --file backend/Dockerfile --tag $DOCKER_USER/$REPO_NAME:${{ steps.date.outputs.date }}
    - name: Docker Push
      run: docker push $DOCKER_USER/$REPO_NAME:${{ steps.date.outputs.date }}

    # https://render.com/docs/deploy-hooks#using-with-github-actions
    - name: Deploy on Render
      run: 
        curl "$deploy_url"

```


maybe it should use
``` 
run: echo "${{ secrets.DOCKER_PASSWORD }}" | docker login -u "${{ secrets.DOCKER_USER }}" --password-stdin
```
Arrays
Published: 2023-11-11 13:51:57

An array is one kind of data structure where a collection of the same data type is stored. It has two distinct characteristics. They are:


![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/m3w9zgf8gnhfcnu4guyl.gif)


- <u>Element:</u> Each item stored inside the array is called element.

- <u>Index:</u> Each location of an element stored inside an array holds a numerical position. 

**<u>P.S:</u>**

1. First value is always stored in the Oth index.
2. In the case of a circular array, the first value can be at any index.