Pratique du Shadowing: NestJS in 100 Seconds - Apprendre l'anglais à l'oral avec YouTube

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Nest.js is a Node.js framework for building scalable server-side applications with TypeScript.
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Nest.js is a Node.js framework for building scalable server-side applications with TypeScript.
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It provides a suite of tools that leverage either Fastify or Express to facilitate rapid development and predictable readable code.
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It supports REST and GraphQL APIs out of the box, or you might use it to build a full-stack application using the model-view-controller pattern, similar to frameworks like Laravel or Ruby on Rails.
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And it contains a ton of built-in modules to work with databases, handle security, implement streaming, and anything else you can imagine doing in a server-side application.
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Nest has its own very powerful command line tool, and you can scaffold out a new project with the nest new command.
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That provides a code base pre-configured with jest for testing, and set up with TypeScript to help us write more readable and reliable code.
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In the source directory, you'll notice a controller, which is a fundamental building block of the framework.
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It's responsible for handling incoming HTTP requests and returning responses back to the To implement a controller, simply add the controller decorator to a class.
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Then inside the class, you can implement methods and decorate them with HTTP verbs like git, post, patch, put, etc.
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By default, this will create an HTTP endpoint on the root URL, but you can pass a string to the decorator to change the route or implement dynamic route parameters.
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In addition, Nest provides other decorators to control things like the status code and headers.
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Then in the method itself, parameter decorators can be used to access the request parameters or body.
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And finally, the return value from the method is the response body that gets sent back down to the client.
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What's awesome about nest is that you can use the CLI to automatically generate more controllers to keep your code organized as it grows in complexity.
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But there's more to nest than just controllers.
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A provider is a class that contains shared logic throughout the entire application and can be injected as a dependency where needed.
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Any class with the injectable decorator can be injected in the constructor of another class.
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For example, a provider can be implemented as a guard to handle role-based user authentication.
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Or it might be implemented as a pipe to efficiently validate and transform values in a controller.
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And lastly, we have the module decorator, which allows code to be organized into smaller chunks where it can be lazy loaded to run faster in serverless environments.
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This has been NestJS in 100 seconds.
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If you want to see more short videos like this, make sure to hit the like button and subscribe.
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Thanks for watching, and I will see you in the next one.

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Context & Background

The video titled "NestJS in 100 Seconds" introduces viewers to Nest.js, a powerful Node.js framework that is designed for building scalable server-side applications using TypeScript. The speaker explains how Nest.js streamlines the development process by providing essential tools and modules while ensuring that the code produced is both predictable and easily readable. This makes it an excellent resource for both novice and experienced developers looking to create applications efficiently. For English learners, engaging with this technical content not only helps improve language skills but also enhances understanding of software development concepts.

Top 5 Phrases for Daily Communication

  • "It provides a suite of tools" - This phrase suggests that Nest.js offers a comprehensive set of resources that can help with development.
  • "Rest and GraphQL APIs out of the box" - This means that the framework inherently supports these popular API styles, making it easy to get started.
  • "Scaffold out a new project" - To scaffold means to create the basic structure of a project quickly.
  • "Handle incoming HTTP requests" - This phrase relates to how the framework manages data sent from users to the server.
  • "Injectable decorator" - Understanding this term is key to leveraging Nest’s dependency injection feature in applications.

Step-by-step Shadowing Guide

To effectively practice your English skills using the shadowing technique with this video, follow these steps:

  1. Watch Actively: First, watch the video once without trying to repeat anything. Focus on understanding the main concepts and the speaker's tone.
  2. Listen and Repeat: Play the video again, this time pausing after each important phrase or sentence. Repeat it out loud, mimicking the speaker's pronunciation and intonation. This method helps you become more comfortable with technical vocabulary while practicing your speaking skills.
  3. Break it Down: If you find certain phrases challenging, write them down and break them into smaller parts. Practice shadowing each part before combining them into complete sentences.
  4. Use Contextual Meaning: Focus on understanding the context in which specific phrases are used. This helps improve your comprehension and allows you to use similar structures in your conversations.
  5. Engage with the Material: Finally, try to explain the concepts discussed in the video in your own words. You can record this or share it with a peer to gain confidence and receive feedback.

Utilizing the shadowing technique while exploring technical content like programming frameworks can significantly enhance your vocabulary and speaking fluidity. By incorporating resources from a shadowing site and learning English with YouTube, you can immerse yourself in practical language use that aligns with your interests.

Qu'est-ce que la technique du Shadowing ?

Le Shadowing est une technique d'apprentissage des langues fondée sur la science, développée à l'origine pour la formation des interprètes professionnels. Le principe est simple mais puissant : vous écoutez de l'anglais natif et le répétez immédiatement à voix haute — comme une ombre suivant le locuteur avec un décalage de 1 à 2 secondes. Les recherches montrent une amélioration significative de la précision de la prononciation, de l'intonation, du rythme, des liaisons, de la compréhension orale et de la fluidité.

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