teleren/devto huggingface dataset:
5 Dicas Essenciais para Melhorar a Performance de Aplicações Web
Tags: inciante, javascript, webdev, tutorial
Published: 2024-02-08 18:53:20

## Olá, comunidade Dev! 

Como desenvolvedores, sabemos que a performance de uma aplicação web não é apenas um luxo – **é uma necessidade**. No mundo digital de hoje, onde a paciência dos usuários é cada vez menor, otimizar a performance do nosso site pode significar a diferença entre sucesso e fracasso. Aqui estão cinco dicas cruciais que eu aprendi ao longo da minha jornada de estudos como programador que podem ajudar a levar suas aplicações web ao próximo nível.


**1. Otimizar Imagens**
Imagens não otimizadas são uma das principais causas de carregamento lento de páginas. Usar formatos modernos como WebP, que oferece uma compressão significativamente melhor em comparação com formatos tradicionais como JPEG ou PNG, pode reduzir o tamanho das imagens em até 30% sem perder qualidade.


**2. Minificar e Combinar Arquivos**
Cada arquivo JavaScript ou CSS que sua aplicação requer é uma solicitação HTTP adicional. Minificar esses arquivos (remover espaços desnecessários, comentários, etc.) e combiná-los pode reduzir o tempo de carregamento, melhorando a velocidade da sua aplicação.


**3. Utilizar Lazy Loading**
Lazy loading é uma técnica que carrega conteúdo (imagens, vídeos, etc.) apenas quando eles estão prestes a entrar na viewport do usuário. Isso reduz o tempo de carregamento inicial da página, pois o navegador solicita menos recursos durante o carregamento inicial.


**4. Implementar Caching Efetivamente**
Configurar corretamente o caching para seus recursos estáticos (CSS, JavaScript, imagens) pode fazer uma grande diferença. Isso permite que os navegadores dos usuários armazenem esses arquivos localmente, reduzindo a necessidade de baixá-los novamente em visitas subsequentes.

**5. Escolher a Plataforma de Hospedagem Correta**
A escolha da plataforma de hospedagem pode afetar significativamente a performance da sua aplicação. Serviços de hospedagem modernos oferecem recursos como entrega de conteúdo global **(CDN)**, otimizações automáticas e escalabilidade que podem melhorar a velocidade e a confiabilidade da sua aplicação.

**

## Conclusão
**
Melhorar a performance de uma aplicação web é um processo contínuo e requer atenção aos detalhes. Implementar essas dicas pode não apenas melhorar a experiência do usuário, mas também ajudar no SEO da sua aplicação, já que os motores de busca tendem a favorecer sites mais rápidos. Lembre-se, a performance é uma jornada, não um destino. Sempre há espaço para melhorias!

> Espero que vocês tenham achado essas dicas úteis. Adoraria ouvir suas próprias estratégias de otimização e experiências com a melhoria da performance de aplicações web. Compartilhem nos comentários abaixo!
Building docs with Starlight and Astro
Tags: webdev, javascript, beginners, podcast
Published: 2024-02-08 18:49:32


Original: https://codingcat.dev/podcast/cwcc-1-building-docs-with-starlight-and-astro

{% youtube https://youtube.com/embed/sF6UcV3moZg?feature=share %}

<script> import OpenIn from '$lib/components/content/OpenIn.svelte' </script> <OpenIn url="https://github.com/CodingCatDev/astro-starlight-code-with-codingcatdev" />

Starlight, a documentation theme from [Astro](https://astro.build/), simplifies creating accessible, high-performance websites. Key features include:

1. **Content Support**: Starlight is compatible with Markdown, MDX, or Markdoc formats, facilitating quick website creation.
2. **Customization Options**: It offers dark and light color themes, full internationalization support for multilingual content, and built-in site search functionality.
3. **Component Flexibility**: Starlight supports built-in components and also allows integration of components from various frameworks like React, Preact, Svelte, Vue, Solid, Lit, and Alpine.
4. **Customization Tools**: The platform includes a color theme editor for easy customization, offering options for inspiration, pre-built themes, or brand-specific adjustments.
5. **Usability**: Designed for both small weekend projects and mature products, Starlight aims to provide a high-performance, accessible solution for documentation needs.

For more detailed information and to get started with Starlight, visit their [Getting Started page](https://starlight.astro.build/getting-started/).
Guia do Node.js, do começo ao fim
Tags: javascript, webdev, node
Published: 2024-02-08 18:48:32

Olá, sejam muito bem-vindes ao **Guia de formação Node.js, do começo ao fim**. Meu objetivo aqui é facilitar a sua jornada com **Node.js**, essa plataforma incrível que talvez ainda seja um pouco misteriosa para você. ✨👩🏻‍💻

Node.js é uma plataforma de desenvolvimento de software open-source que faz maravilhas permitindo que os desenvolvedores criem aplicações de rede eficientes e escaláveis. Mas vamos deixar a conversa mais técnica para o próximo artigo, onde vamos mergulhar fundo no que é o Node.js. Neste guia, vamos caminhar juntos, desde conceitos básicos até os tópicos mais avançados. Espero que você goste deste roteiro e que ele seja um grande aliado na sua jornada para se tornar uma pessoa desenvolvedora Node.js de mão cheia.


Vejo você nos próximos artigos! Até daqui a pouco! 😊
standardrb, but more
Tags: ruby, rubocop, linting
Published: 2024-02-08 18:46:49

Often project teams suffer from either too many or too strict [Rubocop](https://github.com/rubocop/rubocop) rules ([`NewCops`](https://docs.rubocop.org/rubocop/versioning.html#enablingdisabling-pending-cops-in-bulk)) or from outdated ones because they locked the rules or Rubocop versions. [standardrb](https://github.com/standardrb/standard) provides a good middle ground for people who care but also don't care fanatically. Its default settings are optimized for long-term maintainability and no-bikeshed. But we at [Renuo](https://www.renuo.ch) are still missing a lot of rules, especially from Rubocop plugins like RSpec or performance cops. Since standardrb relies on Rubocop under the hood, there's an easy way for you to use a default but extended configuration. Simply opt-in to the rules you want while relying on standardrb for the rest. This inverts the team discussion time needed for your style guide from discussing every rule to discussing opt-in-exceptions.

If you want to have a look at our approach: we created a gem called [renuocop](https://github.com/renuo/renuocop/). Our [config file](https://github.com/renuo/renuocop/blob/main/config/base.yml) documents what we think is not strict enough in standardrb.
Best Site To Buy Facebook Accounts & Cheap Price
Tags: webdev, javascript, beginners, programming
Published: 2024-02-08 18:28:46

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Tags: webdev, javascript, beginners, programming
Published: 2024-02-08 18:26:54

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Dr OZ Bioheal CBD Gummies : Reviews, Benefits, Effects and Buy Now..
Published: 2024-02-08 18:23:43

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Best Site To Buy Yahoo Accounts & Cheap Price
Tags: webdev, javascript, beginners, tutorial
Published: 2024-02-08 18:22:24

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Birthday Party Decoration in Delhi
Published: 2024-02-08 18:22:24

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React useState Help - Update item in Array of Objects
Tags: question, react
Published: 2024-02-08 18:13:47

Hello,

I'm creating a game where you have to roll ten dice and get their numbers to match. You can reroll the dice and you can click on a die to freeze it (keep it's number/don't reroll)

I'm storing dice data in a useState that holds an array of objects

When I try to update the useState object by directly reversing the die's **isFrozen**  boolean, it doesn't work. Instead, it works when I make a copy of the die object, update it, and return it

I don't understand why I can't directly update the die object in the array. Why do I have to create a copy of the die object?

**useState**

```
    const [dice, setDice] = useState(() => {
        const diceArray = [];
        for (let i = 1; i <= 10; i++) {
            diceArray.push({ id: nanoid(), num: rollDice(), isFrozen: false });
        }
        return diceArray;
    });
```

**freezeDie code - Doesn't work**
```
    const freezeDie = (id) => {
        setDice((oldDice) =>
            oldDice.map((die) => {
                if (die.id === id) {
                    console.log("die", die);
                    console.log("");
                    die.isFrozen = !die.isFrozen; // THIS LINE
                }
                return die;
            })
        );
    };
```

**Result**
- the first click  reverses the **isFrozen** boolean (it freezes the die - intended)
- future clicks reverses the **isFrozen** boolean twice (basically nothing changes - not intended)


![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/ppvhwno2yfc6gqeakc4z.png)



**freezeDie code - Works**
```
    const freezeDie = (id) => {
        setDice((oldDice) =>
            oldDice.map((die) => {
                if (die.id === id) {
                    console.log("die", die);
                    console.log("");
                    return { ...die, isFrozen: !die.isFrozen };  // THIS LINE
                }
                return die;
            })
        );
    };
```

**Result**
- the first click  reverses the **isFrozen** boolean (it freezes the die - intended)
- future clicks also reverse the **isFrozen** boolean but call the function twice (not sure why it's being called twice)


![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/vf3pozt5xezlpnomd5yx.png)
Graduation project
Published: 2024-02-08 18:11:07

Good evening developers , I am in my last year at the university and I have to make a graduation project.
A lot of topics I've searched for and seen , for example: building a website with c++ , building a project with MVICH but here I need a large network of computers, also building a project with Nvidia cuda c++ .
I need your advices for making something new and unique.
Any one can advise me please?
Thanks
โลกของ DevOps: พลิกโฉมการ Development และ Operations
Tags: devops
Published: 2024-02-08 17:54:48



"DevOps" เป็นการผสานความสามารถในด้าน "Development" และ "Operations"  แต่ก่อนที่เราจะไปลึกกว่านี้  ไปเข้าใจกันก่อนว่าทั้งสองด้านนี้คืออะไรและทำไมถึงต้องมาผสมผสานกัน 

Development:

เริ่มจากด้าน "Development" หรือที่เรารู้จักกันในฐานะ Developer หรือ Software Engineer  ความรับผิดชอบของพวกเขาคือการสร้าง Application หรือ Software ตามความต้องการของผู้ใช้  ซึ่งรวมถึงการวิเคราะห์ความต้องการ (Requirement), การวางแผน, การเขียนโค้ด (Coding), และการดูแลรักษาซอฟต์แวร์ (Maintain).

Operations:

ด้าน "Operations" มีตำแหน่ง System Administrator หรือ System Engineer ที่มีหน้าที่หลักในการให้แน่ใจว่า Application ทำงานได้อย่างเสถียร รวมถึงการอัปเกรด(Upgrade) สำรองข้อมูล(Backup) และคืนค่าข้อมูล (Restore)  พวกเขาคอยสร้างและดูแล Infrastruction รักษาความเสถียร อัปเกรดระบบและแก้ไขปัญหาต่างๆ

ทำไม DevOps?

ก่อน DevOps, มีสิ่งที่เรียกว่า "wall of confusion" ซึ่งคือกำแพงที่แยกด้าน Development และ Operations ออกจากกัน  DevOps ถูกสร้างขึ้นมาเพื่อ "ลดช่องว่าง" ระหว่างสองด้านนี้ ทำให้กระบวนการทำงานเป็นไปอย่างไหลลื่นและมีประสิทธิภาพมากขึ้น

DevOps Culture: กุญแจสู่ความสำเร็จ
วัฒนธรรม DevOps มุ่งเน้นที่การทำงานร่วมกัน(Collaboration)  Infrastructure as Code (IaC), และ Continuous Integration/Continuous Delivery (CI/CD) เป็นหัวใจหลัก
การทำงานร่วมกันอย่างใกล้ชิดระหว่างทีม Development และ Operations เป็นสิ่งสำคัญที่สุด

เครื่องมือของ DevOps Engineer
DevOps Engineer ใช้เครื่องมือเช่น Terraform  Ansible สำหรับจัดการ Configurationและเครื่องมือ CI/CD เช่น Gitlab CI  Github Actions เพื่อช่วยให้กระบวนการ Development และ Operations เป็นไปอย่างราบรื่น

การเปลี่ยนจาก DevOps ไปเป็น Platform Engineer 
เมื่อทุกคนสามารถทำงานร่วมกันได้อย่างมีประสิทธิภาพ สร้างผลลัพธ์ที่ดีขึ้นสำหรับทั้งทีมและผู้ใช้งาน DevOps Engineer ก็จะแปรเปลี่ยนไปเป็น Platform Engineer ซึ่งแสดงให้เห็นว่าการทำให้ช่องว่างระหว่างด้าน Development และ Operations หายไป

ต่อไปนี้เมื่อคุณได้ยินคำว่า DevOps คุณจะรู้ว่ามันไม่เพียงแค่เกี่ยวข้องกับเทคโนโลยีหรือเครื่องมือ แต่มันคือวัฒนธรรมที่สร้างขึ้นเพื่อปรับปรุงและพัฒนาวิธีการทำงานให้ดียิ่งขึ้นในโลกของการ Development และ Operations.

ถ้าหากสนใจเรื่อง DevOps Engineer และ Platform Engineer ไว้มีโอกาสจะมาเขียนเล่าอีกในครั้งถัดๆ ไป สามารถติดตามได้จะได้ไม่ให้พลาดข้อมูลความรู้ที่เป็นประโยชน์ในอาชีพและสามารถใช้ในการทำงานได้ต่อไป. Thankyou
Revolutionize Your Automation and Data Extraction Workflow with DEX8.com SaaS
Published: 2024-02-08 17:41:49

Are you tired of spending countless hours on repetitive tasks? Look no further than DEX8 SaaS – your ultimate solution for automating data extraction, web scraping, and browser automation. With DEX8, you can streamline your workflow, increase productivity, and unlock new possibilities for your projects.

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Key Features:

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How to add image to a participant in SuperViz
Tags: superviz, userexperience
Published: 2024-02-08 17:36:31

Having photos of participants on your application can significantly enhance the user experience. It not only adds a personal touch but also aids in instant recognition, fostering a sense of community. Furthermore, it humanizes virtual interaction, making communication more engaging and productive.

Our components, such as Contextual Comments, Who-is-Online, and Video Conference have a property to allow you to set an avatar for each participant. This avatar can be a simple icon or a full-fledged profile picture. In this article, I'll walk you through the steps on how to add a profile picture for a participant in SuperViz.

You can add a participant profile photo when you start a room, by passing the path of the image into the `participant.avatar.imageUrl` property. Such as the code below:

```jsx
const room = await SuperVizRoom(DEVELOPER_KEY, {
  // ...
  participant: {
    // ...
    avatar: {
      "imageUrl": "https://path-to-the-image",
    }
  },
});
```

Ensure that the selected image is accessible to all room participants, as only the URL, not the image itself, will be shared across all instances of the room. Also, note that the image format could be either PNG or JPG.

If you are integrating avatars inside 3D environments with Autodesk Viewer, ThreeJS, or Matterport, a good practice is to use an image of the avatar itself. This provides a more accurate representation of the person you are viewing in the 3D environment, enhancing the realism and immersive qualities of the experience.
Supercharge Your Front-End Workflow in 2024: Must-Have VS Code Extensions
Tags: webdev, frontend, vscode, extensions
Published: 2024-02-08 17:29:32

Let's face it, VS Code is awesome, but extensions take it to a whole new level. As a frontend dev in 2024, you need tools that boost your efficiency and stay ahead of the curve. So, ditch the vanilla setup and dive into these essential extensions:

![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/0unx3e6s5dyhffegav23.png)

**For Code Quality & Consistency:**

- ESLint & Prettier: The dream team for code style. ESLint sniffs out errors, Prettier auto-magically formats for consistent beauty.
- Stylelint: CSS needs love too! Stylelint enforces consistent style rules for your stylesheets.
**For Productivity & Navigation:**

- Live Share: Real-time collaboration just got easier. Share your code editor with teammates for instant pair programming.
- Bracket Pair Colorizer & Path Intellisense: Gone are the days of lost brackets and confusing file paths. These extensions add a much-needed splash of color and context.
- GitLens: Dive deep into your Git history. Blame annotations, code authorship insights, and visual commit graphs - GitLens supercharges your version control workflow.
**For Specific Frameworks & Languages:**

- React/Angular/Vue.js Snippets: Say goodbye to repetitive boilerplate. These framework-specific snippet extensions speed up development with pre-built components and code structures.
- Emmet: Write HTML and CSS faster with shorthand notations that auto-expand into full code. A must-have for rapid prototyping.
- Debugger for Chrome/Live Server: Debugging made easy. These extensions let you step through your code and preview changes live, directly in your browser.
**_Bonus Round:_**

- Polacode: Create stunning code screenshots for presentations and docs. Share your code with flair!
- CodiumAI: Generate tests automatically based on your code. This AI-powered extension helps you write better, more robust code.
**Remember:** This is just a starting point. Explore, experiment, and find the extensions that fit your specific workflow and preferences. Happy coding!

**P.S**. Did we miss your favourite extension? Please share it in the comments below!