쉐도잉 연습: 10 very promising Open Source Projects you haven’t heard of - 영상으로 영어 말하기 배우기

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I just discovered a way to build a billion dollar startup

entirely from free open source software from the most talented programmers in the world.

Actually, everybody knows that already.

Like, why pay an engineer when you can just use their stuff for free on GitHub?

In today's video, we're going to cheat off the smart kids homework

and look at some of the coolest open source libraries that you've never heard of.

Tools that will make your apps faster, better looking, and less expensive to run.

You'll ask yourself, what the fk?

How have I not been using that already?

And that brings us to library number one, the fk?

Normally, when you type a command into the terminal and make a typo, you just say fk in your head and then retype the command from scratch.

The fk makes this process much more intuitive, allowing you to simply type fk into the terminal, then it will attempt to reformat your command automatically.

To be honest, it's pretty fking useful.

Here's a problem that anybody who's ever built a website has faced.

Even if you work really hard to create a tiny JavaScript bundle, the product manager will eventually tell you to add a bunch of other junk like Mixpanel, Intercom, and Google Analytics.

These third-party scripts clog up the main thread and will make your app slow no matter what.

Luckily, there's an open-source library called PartyTown that can run third-party scripts from a web worker.

JavaScript is single-threaded, but modern browsers allow you to run background jobs via web workers.

PartyTown will offload any scripts that don't deal directly with the UI into a web worker, and that means the only thing on the main thread is your UI, which leads to a faster, more responsive website.

Another problem that every app developer will need need to solve is user authentication.

Firebase is great, but it's somewhat feature limited.

Auth0 is great, but it's expensive.

And that brings us to Super Tokens, which is an open source authentication solution.

It provides SDKs for runtimes like Node and Python, allowing you to quickly self-host a fully featured authentication system with support for OAuth providers,

passwordless login, but most importantly, it deals with session management and security.

Pretty cool, but it's got nothing on this next one.

HiMom is a blazingly fast JavaScript library that can say hi to your mom in record time.

Here's a pro tip if you're building an open source library.

Make sure that the readme includes phrases like blazingly fast, bleeding edge, holistic approach, and game changing

because they make your library better the same way putting flame stickers on a car makes it go faster.

Next up, we have a two-for-one.

Many businesses out there need to build their own full-text search engine, either for internal data or to build a search engine for their customers.

You could go with Elasticsearch, but it's expensive and complicated if you self-host.

There are two very promising open-source alternatives.

One is Melee Search, implemented in Rust, and the other is Zync, implemented in Go.

Both provide a fast, simplified way to build your own search engine.

Now, our next library, trcp, tprc, trpc, is exceptionally cool, but a little harder to explain.

If you're building an API today, there are two main approaches, Rust and GraphQL.

I won't go into the differences right now, although I do have videos for that, but there's another less talked about approach called RPC, or Remote Procedure Call.

And basically, it's just a URL on a server, but unlike REST that corresponds to an entity, it corresponds to a function that you want to run on the server.

This approach actually makes a ton of sense for many modern applications.

TRPC allows you to build entirely type-safe APIs without the need for schemas or code generation like you would with GraphQL.

Overall, I think it has the potential to fundamentally simplify the way we build full-stack web applications.

Speaking of simplification, one company that has simplified the modern database is Airtable.

The only problem is that you have to pay a company to use it.

If only there was an open-source alternative.

NocoDB does exactly that.

It's an open-source Airtable that can be built on top of your own MySQL or Postgres database.

In other words, it's an open-source no-code database or smart spreadsheet.

As a developer, another piece of software you may want to replace is Postman, your HTTP client.

An awesome open source alternative is Hopscotch, which is built with Vue.js and TypeScript entirely as a progressive web app.

Not only is it open source, but you can go use it in the browser right now at Hopscotch.io

and then install it as a PWA on your desktop.

And now it runs in a native window and allows you to interact with your file system.

Now, if you've ever coded in Python, then try JavaScript later, you might be shocked at how difficult it is to work with multi-dimensional arrays.

What is this?

In Python, we have libraries like pandas that can do all kinds of useful stuff to an array or data frame.

Not many people realize that there's a library called DanfoJS

that is inspired by pandas and can do many of the things you know and love, like read a CSV file and process the data within it before it gets sent to a machine learning library like TensorFlow.

That's pretty useful, but the hardest thing in front-end web development is making your website look good.

There's a million different tools out there that can help you do that, but one I've been really loving recently for React is Mantine.

Not only does it have a bunch of well-crafted UI components, like this nice-looking timeline, but it also has a bunch of built-in hooks

that handle many of the annoying things that you'll come across when building a web app, like debouncing an input or paginating a collection of items.

On top of that, it has optional packages for a notification system, rich text editor, and a drop zone for file uploads.

It's so awesome that we use it in one of the demo apps in the full React course on Fireship.io.

Check it out if you want to build a serious app with React.

Now the problem with all the libraries that we've looked at

so far is that they require you to know how to write some code.

If you have an idea for a full stack application, but want to skip the whole learn to code part, an open source tool to check out is Amplication.

It's a tool that can automatically generate both your front end

and back end code based on relationships to data models in a database that you can manage visually.

The back end is built with other open source tools like Node, NestJS, and Prisma, while the front end is based on React.

Even if you do know how to code, this is a tool that can speed up your workflow.

And that gives you 10 new open source libraries to try out in your next project.

Hit the like button and subscribe.

Thanks for watching, and I will see you in the next one.

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가져다 쓸 만한 단어와 관용구

open source: 오픈 소스 (자유롭게 사용하고 수정할 수 있는 소프트웨어)
typo: 타이핑 실수 (키보드 입력 시 잘못 쓴 글자)
clog up: 막다, 봉쇄하다 (여기서는 "메인 스레드를 막다"라는 뜻)
offload: 전달하다, 위임하다 (작업을 다른 곳으로 넘기다)
blazingly fast: 엄청나게 빠르게 (매우 빠른 것을 강조하는 표현)

이 외에도 "cheat off" (누군가의 숙제를 베끼다), "pro tip" (전문가의 팁) 등의 관용구가 등장하는데, 이를 통해 영어의 유머 감각과 일상 표현을 익힐 수 있습니다.

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이 비디오의 화자는 자연스러운 미국 영어 발음을 사용하며, 빠른 속도로 말하는 특징이 있습니다. shadowspeak 또는 영어 쉐도잉을 통해 발음과 리듬을 연습해보세요. 특히 "fk" (비속어지만, 실제 대화에서 자주 들리는 표현), "TRPC" (약어 발음)와 같은 부분은 정확한 발음을 체크해야 합니다. 또한 "blazingly"와 같은 단어의 강세 위치를 주의깊게 듣고, 화자의 intonation (억양) 변화를 따라해보세요. shadowing site를 이용해 반복적으로 연습하면, 자연스러운 발음과 말하기 속도를 향상시킬 수 있습니다.

작은 단어들도 놓치지 마세요. "actually", "like"와 같은 접속사는 화자의 생각을 이어주는 역할을 하며, 이를 통해 대화의 흐름을 자연스럽게 이해할 수 있습니다. 꾸준히 연습하면, 기술 주제의 대화도 부담 없이 다룰 수 있을 거예요!

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문형	영상 속 표현
현재완료 have/has + 과거분사 — 과거의 일이 지금도 관련이 있을 때	you've never heard · has faced · has simplified
수동태 be + 과거분사 — 누가 하는지보다 무슨 일이 일어나는지에 초점	can be built · is built · might be shocked
관계절 who / which + 절 — 사람이나 사물에 대한 추가 정보	Tokens, which is · Hopscotch, which is

쉐도잉이란? 영어 실력을 빠르게 키우는 과학적 방법

쉐도잉(Shadowing)은 원래 전문 통역사 훈련을 위해 개발된 언어 학습 기법으로, 다언어 학자인 Dr. Alexander Arguelles에 의해 대중화된 방법입니다. 핵심 원리는 간단하지만 매우 강력합니다: 원어민의 영어를 들으면서 1~2초의 짧은 지연으로 즉시 소리 내어 따라 말하는 것——마치 '그림자(shadow)'처럼 화자를 따라가는 것입니다. 문법 공부나 수동적인 청취와 달리, 쉐도잉은 뇌와 입 근육이 동시에 실시간으로 영어를 처리하고 재현하도록 훈련합니다. 연구에 따르면 이 방법은 발음 정확도, 억양, 리듬, 연음, 청취력, 말하기 유창성을 크게 향상시킵니다. IELTS 스피킹 준비와 자연스러운 영어 소통을 원하는 분들에게 특히 효과적입니다.

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쉐도잉 연습: 10 very promising Open Source Projects you haven’t heard of - 영상으로 영어 말하기 배우기

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쉐도잉이란? 영어 실력을 빠르게 키우는 과학적 방법