teleren/devto huggingface dataset:
What are Methodologies in software development?
Published: 2024-02-27 14:58:33

Methodologies in software development refer to the structured approaches and processes that teams use to plan, design, implement, test, deploy, and maintain software systems. These methodologies provide a set of guidelines and practices to manage the software development lifecycle efficiently. Several methodologies exist, and they can be broadly categorized into two main types: traditional (or plan-driven) methodologies and agile methodologies.

### Traditional (Plan-Driven) Methodologies:

1. **Waterfall Model:**
   - The Waterfall model follows a linear and sequential approach, where each phase must be completed before moving on to the next. It includes phases such as requirements, design, implementation, testing, deployment, and maintenance.

2. **V-Model:**
   - The V-Model is an extension of the Waterfall model that emphasizes testing at each stage of development. The stages on the left side of the V represent development phases, while the stages on the right side represent testing phases.

3. **Incremental Model:**
   - The Incremental model divides the software development process into smaller, manageable parts. Each iteration adds new features or enhancements to the existing system, with each increment being developed and tested separately.

4. **Spiral Model:**
   - The Spiral model combines elements of the Waterfall model and prototyping. It involves iterative development cycles with risk analysis and planning at each iteration. The project progresses in a spiral fashion through several cycles.

### Agile Methodologies:

1. **Scrum:**
   - Scrum is an agile framework that divides the project into fixed-length iterations called sprints. It emphasizes collaboration, adaptability, and continuous improvement. Scrum includes roles such as Product Owner, Scrum Master, and Development Team.

2. **Kanban:**
   - Kanban is a visual management method that focuses on continuous delivery and flow. It visualizes the workflow on a Kanban board, allowing teams to optimize processes and efficiently move tasks through different stages.

3. **Extreme Programming (XP):**
   - XP is an agile methodology that emphasizes customer satisfaction, flexibility, and rapid feedback. It includes practices like pair programming, continuous integration, test-driven development (TDD), and frequent releases.

4. **Lean Software Development:**
   - Lean principles are derived from manufacturing and aim to eliminate waste, optimize efficiency, and continuously improve processes. In software development, this means delivering value to the customer with minimal waste.

5. **Feature-Driven Development (FDD):**
   - FDD is an iterative and incremental methodology that focuses on building features. It involves creating a feature list, planning, designing, and building features in short iterations.

Teams often choose a methodology based on the project's requirements, team size, nature of the software, and other factors. Many organizations also adopt a hybrid approach, combining elements of different methodologies to create a customized process that fits their specific needs.
What are SOLID principles in Software Development?
Published: 2024-02-27 14:57:19

The SOLID principles are a set of five design principles in object-oriented programming and software development that aim to make software more scalable, flexible, and maintainable. These principles were introduced by Robert C. Martin and are widely used to create robust and efficient code. The SOLID acronym stands for:

1. **Single Responsibility Principle (SRP):**
   - A class should have only one reason to change, meaning that a class should have only one responsibility or job. This principle encourages developers to design classes that have a clear and focused purpose, making the code more modular and easier to maintain.

2. **Open/Closed Principle (OCP):**
   - Software entities (classes, modules, functions, etc.) should be open for extension but closed for modification. This means that you should be able to add new functionality to a system without altering its existing code. This is typically achieved through the use of interfaces, abstract classes, and polymorphism.

3. **Liskov Substitution Principle (LSP):**
   - Subtypes must be substitutable for their base types without altering the correctness of the program. In other words, if a class is a subtype of another class, it should be able to replace its parent class without affecting the program's behavior.

4. **Interface Segregation Principle (ISP):**
   - A class should not be forced to implement interfaces it does not use. This principle suggests that it is better to have several small, specific interfaces rather than a large, general-purpose one. Clients should not be forced to depend on interfaces they do not use.

5. **Dependency Inversion Principle (DIP):**
   - High-level modules should not depend on low-level modules. Both should depend on abstractions. Additionally, abstractions should not depend on details; details should depend on abstractions. This principle encourages the use of abstractions (like interfaces or abstract classes) to decouple high-level and low-level modules, making the system more flexible and easier to maintain.

By following these SOLID principles, developers can create code that is more modular, scalable, and easier to understand, making it more resistant to changes and promoting good software design practices.
Software Testing
Tags: manual, automation, testing
Published: 2024-02-27 14:48:59


Software Testing is carried on to ensure smooth and error free delivery of any product or prototype.It covers the boundary value cases and strength and robustness testing.Testing in layman terms helps  to find flaws in design and development of any product.Testing  helps to find bugs in  a product  from development till deployment and delivery.Testing covers all aspects –security,hardware dependency,upgrade etc.It requires a proactive approach to deal with  all kinds of bugs and failures of a software.
Software testing is the key element for any quality deliverable to the end customer. It  involves checking different parameters like system resources,dependencies,boundary checks,code quality checks to  make it mark as effective.The testing are of  various types –white box,black box and gray box testing.White box testing  means to verify the internal structure or workings of  a module or a program.Black box testing means to test the functionality of a software without knowing the internal details of it.Gray box testing means  testing the software by privileges in the program/software.Software testing is involved at various levels.
1)Unit Testing-The testing done by developers on the code to test the functionality.
2)Integration Testing-Testing done to check and integrate modules,and how they respond in  a particular environment.
3)System Testing-It tests the complete integrate system to verify the requirements.
4)Acceptance Testing-It is of  various types-
I)User Acceptance Testing-(UAT)
ii)Operational Acceptance Testing(OAT)
iii)Contractual and Regulatory Acceptance Testing
iv)Alpha and Beta Testing
5)Compatibility Testing-A system is not compatible with other applications .
6)Smoke and Sanity Testing-Minimum tests to qualify the build/software.Sanity testing determines whether it’s reasonable to proceed with further testing.
7)Regression Testing-It focuses on finding defects after a major code change has occurred.
8)Alpha Testing-It is operational testing by users.
9)Beta Testing-It is an external user acceptance testing.


Functional vs Non-Functional
->Functional testing refers to activites that verify a specific action or function of code.Non-functional testing refers to testing from end users perspective.example-scalability and performance.
The relevance of software testing is to anaylse bugs and defects both during development,testing and till delivery phase. It helps both client and developers and managers to check for faults and raise the concerns  post development  through agile methodlogy.Agile methodlogy of testing is incremental and iterative.Each time a new feature or enhancement  is done on a feature,it needs to be tested in regression.Testing of a product helps in following ways-
1)Raising the secondary issues before actual delivery.
2)Covering the corner cases
3)More robustness  testing of small enchancements to feature or whole system
4)Performance and scalability testing helps in testing the system  in any environment which promotes effortless delivery.
Difference between functional and non-functional testing
Published: 2024-02-27 14:45:19

**Functional Testing:**

**Purpose**: Functional testing evaluates the behavior of a software application. It ensures that the software functions are working as expected.
**Methods**: Functional testing includes methods such as unit testing, integration testing, system testing, and user acceptance testing.
**Examples**: 
  1. Testing the login functionality of a website to ensure users can access their accounts.
  2. Testing calculations in a financial application to ensure accuracy.


**Non-Functional Testing:**

**Purpose**: Non-functional testing focuses on quality attributes like performance, reliability, usability, security, and scalability. This type of testing assesses how well the software performs under various conditions.
**Methods**: Non-functional testing includes Methods such as performance testing, load testing, stress testing, security testing, usability testing, and reliability testing.
**Examples**: 
 1.Testing the response time of a web application under heavy load to ensure acceptable performance.
 2.Testing the ability of a system to handle a large number of users.
 3.Testing the security of an application against potential vulnerabilities.

In summary, functional testing ensures that the software behaves according to its functional requirements, while non-functional testing focuses on evaluating quality attributes such as performance, reliability, and security. Both types of testing are ensuring the overall quality and success of a software application.
Sbexam Classes
Tags: webdev, website, sbexam, websitedeveloper
Published: 2024-02-27 14:45:17


![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/xk7s4g9ow97ec6do8z3f.jpg)

Founder and Ceo of Sbexam Classes - Manish Ranjan 

Sbexam Classes is hiring a website Developer Under 10K Indian Rupess , Intersted user Can Message on instagram username @sbexam
Maitriser l'opérateur de chaînage optionnel en JavaScript
Tags: webdev, javascript, programming, productivity
Published: 2024-02-27 14:43:30



# Introduction

Dans le monde numérique en constante évolution d'aujourd'hui, L'opérateur de chaînage optionnel en JavaScript est l'un de ces outils puissants qui peuvent aider à optimiser votre code et à gagner du temps dans le développement de votre site web.

# Comprendre l'Opérateur de chaînage Optionnel en JavaScript

L'opérateur de ch optionnel, également connu sous le nom de "optional chaining" en anglais, est une fonctionnalité introduite dans JavaScript ES2020. Cet opérateur offre une manière concise et élégante de traiter les valeurs null ou undefined lors de l'accès à des propriétés d'objets imbriqués.

## Comment Fonctionne l'Opérateur de chaînage Optionnel

L'utilisation de l'opérateur de chaînage optionnel est simple et intuitive. Plutôt que d'accéder directement à une propriété d'objet qui pourrait être null ou undefined et provoquer une erreur, vous pouvez utiliser l'opérateur `?.` pour accéder à la propriété de manière sécurisée. Si la propriété cible est null ou undefined, l'expression entière renverra undefined au lieu de générer une erreur.

Voici un exemple simple pour illustrer son fonctionnement :

```javascript
// Sans l'opérateur de chaînage optionnel
const longueur = objet && objet.attribut && objet.attribut.longueur;

// Avec l'opérateur de chaînage optionnel
const longueur = objet?.attribut?.longueur;
```

Dans cet exemple, si `objet` ou `attribut` est null ou undefined, l'expression renverra simplement undefined sans provoquer d'erreur.

# Avantages de l'Utilisation de l'Opérateur de chaînage Optionnel

L'opérateur de chaînage optionnel présente plusieurs avantages significatifs pour les développeurs web :

## 1. Réduction du Risque d'Erreurs

En utilisant l'opérateur de chaînage optionnel, vous pouvez réduire considérablement le risque d'erreurs liées à l'accès à des propriétés d'objets qui pourraient être null ou undefined. Cela rend votre code plus robuste et moins sujet aux exceptions imprévues.

## 2. Amélioration de la Lisibilité du Code

L'opérateur de chaînage optionnel permet d'écrire un code plus concis et lisible en évitant les structures conditionnelles complexes pour vérifier la nullité ou l'undefined des propriétés d'objets. Cela rend le code plus facile à comprendre et à maintenir pour les développeurs.

## 3. Optimisation de l'Expérience de développement

En réduisant le risque d'erreurs et en améliorant la lisibilité du code, l'opérateur de chaînage optionnel contribue à une meilleure expérience de développement sur votre projet. Les fonctionnalités s'exécutent de manière plus fluide et les développeurs rencontrent moins de problèmes techniques.

# Conclusion

En conclusion, l'opérateur de chaînage optionnel en JavaScript est un outil puissant et précieux pour les développeurs web. En utilisant cet opérateur de manière appropriée, vous pouvez améliorer la robustesse, la lisibilité et l'expérience de développement de votre projet avec JavaScript. N'hésitez pas à l'incorporer dans vos projets pour tirer pleinement parti de ses avantages.
beware of the filler endings
Tags: gamedev, writing
Published: 2024-02-27 14:42:32

The entire narrative construction is directed towards the ending.

And the main condition for the ending is that it has to be **satisfactory** .

Unfortunately, it is too common for games with multiple endings to have *filler endings* .

These endings are quite easy to spot: they are usually branches that are clearly not "canonical".

I obviously understand how difficult it is to make multiple endings that are all up to the same standard, as writing just one can be a daunting task.

But the player[experiences our story as linear](https://onwriting.games/daily/20240226-2221-linearity-is-unavoidable/), and if the end of the line does not satisfy them, they will never see the quality endings.

In a book, the end of each scene makes it a page-turner.

In video games, the end of a run makes it replayable.
How to run Backend code on IPv6
Tags: javascript, reactnative, networking, linux
Published: 2024-02-27 14:32:02

## How to run Backend code on IPv6 network

#### When first i understand IPv6. Then I think should I try this on my backend project? And tried to find it online but I didn't get any solution or any result. That will help me to run my project on the IPv6 network stack.

#### When I first time saw it in React native application runs on IPv6 and as well as IPv4. Also they use our default static IPv4 address and Link-Local IPv6 address. And they used IPv6 local IP that starts ` ::1 ` as like IPv 4 local IP ` 127.0.0.1 ` 

#### I wrote a row code that gives me an understanding of how to work behind this


![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/4eup64jrwuhijlzgdvgs.png)


![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/td7h4ki1s1igxnlerybq.png)


![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/2zhch5wmv6ybeqm2z7sr.png)

#### Final and last if you are interested in this topic or you want to see it in detail check out my  [GitHub Repository](https://github.com/hamzazahidulislam/backend-run-on-ipv6)
ShaoLin Run
Tags: personal, gamedev
Published: 2024-02-27 08:24:38

## ShaoLin Run

>Type: Casual parkour
>View: Horizontal, 2.5d
>Fun points: Continuously challenge the increasing difficulty, jump and dodge to get a sense of fun



> Personal responsibilities: Maintenance of some functions of level scenes, SDK and plug-in access

## Module division:
1. Novice guidance

![Novice guidance](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/28sffh93pgk1c4qpeyol.png)


2. Role system
3. Scene
4. Core gameplay of the game
5. Physics
6. Shop
7. Level


![Level](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/ptce0epvfk3aovwypeuz.png)



This game was launched on the IOS store in 2014 and has achieved good results in the top 10 of the game list.

Now this game has been removed from the app store, and some pirated versions are downloaded from various online platforms. Wanting to recall the past has become a luxury~

After I joined the team, I started porting the Android platform, connected to the SDK, and put it on many domestic app stores. Although the subsequent data was not very good, it has been lost in time and space. But the quality and playability of this game are remarkable.
​
![Start Page](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/huiaixwsd17r1oxa6384.png)



The game also had controller support and was intended to be released to the console platform, but was unsuccessful due to force majeure.

As a game that I participated in the production after I entered the industry, it seems to be worth recalling now. Many of the technologies used in it, such as scene layering, platform linking, level editing, level loading, etc., are all valuable experiences I learned.

As a very important category, parkour games are still active in the market. There are masterpieces and hits every year.
​
Calcio e Finanza
Published: 2024-02-27 14:24:44

Calcio e Finanza è il primo quotidiano italiano dedicato agli aspetti economico-finanziari del calcio e dello sport.


[migliori casino online non aams del 2024](https://www.calcioefinanza.it/2024/02/05/casino-online-non-aams/)


![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/uk7wkbath1px4howw53e.jpg)
Optimizing Mailchimp Integration for Gatsby: Tailored Newsletter Subscriptions and Updates
Published: 2024-02-27 14:12:02

I'm looking to integrate Mailchimp with my Gatsby and Starpi application. Before proceeding, I want to understand how to utilize Mailchimp effectively for this purpose. Let's say I have three pages on my Gatsby site: "News and Updates", "Publications", and "Articles". Each page has its own signup functionality. For example, when a user enters their email and signs up on the "News and Updates" page, they should be subscribed to that specific newsletter. Additionally, I want subscribed users to receive emails whenever there are changes or new articles relevant to the page they subscribed to. In essence, does I need to create three different audiences on Mailchimp for each page ?. Could someone help me understand how can I use the mailchimp here ?
Shrink Your Meeting “Feedback Loops”
Tags: culture, meetings, communication, facilitation
Published: 2024-02-27 15:57:32

---
title: Shrink Your Meeting “Feedback Loops”
published: true
date: 2024-02-27 14:00:00 UTC
tags: culture,meetings,communication,facilitation
canonical_url: https://seankilleen.com/2024/02/shrink-your-meeting-feedback-loops/
cover_image: https://dev-to-uploads.s3.amazonaws.com/uploads/articles/nse3lbuj9ato8bs0hqg4.jpg
---

I’ve seen a lot of meetings go sideways. And with the events of the past few years, we’ve seen a dramatic increase in remote work – and communication challenges for organizations that aren’t adapting to current circumstances.

Dear reader, I’d love to save you some trouble there.

## What Do I Mean by “Feedback Loops”?

In software development, feedback loops are key. If we can iterate 10 times on something while our competitors are still getting their shoes on, chances are we’re going to come out ahead. This ability to adapt and respond to change is one of the driving forces at the heart of agile software development. Many loops exist all over our organizations, and the more we improve those loops, the more we improve our organization.

## Meetings are A Crucial Form of Loops

They involve scheduling and logistical acrobatics, they steal focus, they cost a lot of money, and they often lead to more follow-ups and work (not to mention more meetings.)

What can we do to get ahead of and shrink these expensive feedback loops?

[Read more at SeanKilleen.com!](https://seankilleen.com/2024/02/shrink-your-meeting-feedback-loops/)
React Mastery Roadmap for 2024: A Comprehensive Guide 🚀
Tags: react, javascript, webdev, frontend
Published: 2024-02-27 13:59:55

In the dynamic web development landscape, React continues to stand out as a powerhouse for building user interfaces. 

If you're embarking on the journey of mastering React in 2024, a well-structured roadmap is key to your success. 

In this article, we break down the essential components, concepts, and tools you need to become a proficient React developer.

---

### 1. **Core React Concepts:**

Understanding the foundational concepts is crucial. Start with a solid grasp of components, JSX, props, and state. However, the landscape has evolved, and the recommendation here is to spend less time on older concepts such as class components, render props, and higher-order components.

---
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### 2. **Built-in React Hooks:**

Dive deep into the world of React Hooks, with a particular focus on:

   - `useState`
   - `useEffect`
   - `useRef`
   - `useContext`

Ensure you comprehend the nuances of refs and the context API, as they play a significant role in React development.

---
---

### 3. **Intermediate React Concepts:**

The transition from the basics to intermediate concepts, which include:

   - Identifying factors causing React renders
   - Moving business logic into reusable hooks
   - Leveraging composition to avoid prop drilling and excessive use of context

A suggestion is to explore the React documentation for a more profound understanding of these intermediate concepts.

---
---

### 4. **Libraries and Tools:**

No React journey is complete without a set of powerful tools. Here are some recommended libraries and tools for specific tasks in React:

   - **Vite:** For creating React apps
   - **TanStack Query:** Ideal for data fetching
   - **Zustand:** A state management solution
   - **TailwindCSS and Radix:** Styling made easy
   - **TanStack Router:** Implementing routing seamlessly
   - **React Hook Form:** Building forms efficiently
   - **Next.js:** Your go-to for full-stack React applications

Explore alternative options for each tool or library, understanding their unique features and benefits.

---
---

### 5. **Comprehensive Learning Resource: React Bootcamp**

Consider enrolling in a React Bootcamp for a comprehensive and immersive learning experience. These bootcamps often cover a wide range of topics, ensuring you have a well-rounded understanding of React and its ecosystem.

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In conclusion, mastering React in 2024 requires a strategic approach. Establish a solid foundation in core concepts, delve into the power of React Hooks, explore intermediate concepts, leverage essential libraries and tools, and consider a React Bootcamp for an all-encompassing learning experience. Happy coding!

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**_Happy Coding!_** ⚡