Luyện nói tiếng Anh bằng Shadowing qua video: C++ in 100 Seconds

C++, a statically typed compiled programming language famous for its widespread use in software infrastructure and infamous for its steep learning curve.

It was created in 1979 by Bjorn Straustrup at AT &T Bell Labs.

He was inspired by the object -oriented nature of Simula, but needed a language with the high performance of C, and thus, C with Classes was born.

It's designed as a superset of C, which means that virtually any C program is also a valid C++ program, but it also adds zero overhead abstractions,

such as object -oriented patterns like polymorphism, encapsulation, and inheritance.

Today, it's used in a wide variety of systems with constrained memory demands, like the Unreal Engine for AAA video games, programs like Adobe After Effects that were used to edit this video,

databases like MySQL and MongoDB, embedded systems like the display on your smart toaster, and is used to implement much of our low -level infrastructure, like language compilers and virtual machines.

It's so popular because it provides low -level memory and hardware control like C, but with high -level abstractions like classes and smart pointers.

C++ makes it harder to shoot yourself in the foot, but when you do, it'll blow your whole leg off.

To get started, install a C++ compiler like GCC or Clang, then create a file ending in CPP.

Include Iostream from the standard library to handle input and output.

Your code will start executing from the main function.

To print Hello World, we simply use standard character output followed by the bitwise shift left operator and a string literal.

We can get rid of this std though by adding a namespace to the top of the file.

Now if we want to create a string variable, we can do so by typing it as an array of characters.

However, if we include string from the standard library, we can use the string type instead.

The real game changer though is the fact that C++ supports object -oriented programming with classes.

A class is just a blueprint for an object.

Inside a class, you can define attributes and methods that will be private by default, or make them public by adding them under the public specifier.

It's also possible to define methods outside the class definition using a double colon.

Methods can also be defined multiple times with different parameters, which is known as overloading and is a form of polymorphism.

In addition, we can define constructors and destructors to run code when an object is created or destroyed.

Classes also support inheritance, allowing developers to more efficiently share logic throughout a program.

To instantiate an object, type the class name, followed by the name of your object, and optionally any parameters for the constructor.

When it comes to memory, we could manage everything manually with pointers and references.

However, tools like Unique Pointer can get the job done in a way that's easier and safer, by ensuring that only one object can be allocated to memory.

Now to run your code, open up the terminal, and use a tool like Clang++ to compile it.

This has been C++ in 100 seconds.

Hit the like button and subscribe if you want to see more short videos like this.

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

📺 Cùng kênh

✨ Video gợi ý

26 câu

Python in 100 Seconds

Business EnglishUniversity StudentsWorking Adults

27 câu

You are wasting memory

Business EnglishUniversity StudentsWorking Adults

47 câu

Essence of linear algebra preview

Business EnglishUniversity StudentsWorking Adults

204 câu

33 Chia class thành các file

Business EnglishUniversity StudentsWorking Adults

14 câu

CS50x 2026 - Introduction

Business EnglishUniversity StudentsWorking Adults

32 câu

Linus Torvalds Explains What Makes Linux So Fast

Business EnglishUniversity StudentsWorking Adults

270 câu

Learning to code: How Pavel Durov learned to program | Lex Fridman Podcast Clips

Business EnglishUniversity StudentsWorking Adults

26 câu

🔥 Java Multithreading Rapid Fire | Can You Answer These Interview Questions? #shorts

Business EnglishInterview EnglishUniversity Students

230 câu

Can Cursor's HARDCORE Review Skill Stop The Slop?

Business EnglishUniversity StudentsWorking Adults

74 câu

LangChain in 5 Minutes (Explained Clearly)

Business EnglishUniversity StudentsWorking Adults

357 câu

Everything You Need To Start Making Games (As A Beginner)

Business EnglishUniversity StudentsWorking Adults

Phương Pháp Shadowing Là Gì?

Shadowing là kỹ thuật học ngôn ngữ có cơ sở khoa học, ban đầu được phát triển cho chương trình đào tạo phiên dịch viên chuyên nghiệp và được phổ biến rộng rãi bởi nhà đa ngôn ngữ học Dr. Alexander Arguelles. Nguyên lý cốt lõi đơn giản nhưng cực kỳ hiệu quả: bạn nghe tiếng Anh của người bản xứ và lặp lại to ngay lập tức — như một "cái bóng" (shadow) đuổi theo người nói với độ trễ chỉ 1–2 giây. Khác với luyện ngữ pháp hay học từ vựng bị động, Shadowing buộc não bộ và cơ miệng phải đồng thời xử lý và tái tạo ngôn ngữ thực tế. Các nghiên cứu khoa học xác nhận phương pháp này cải thiện đáng kể phát âm, ngữ điệu, nhịp điệu, nối âm, kỹ năng nghe và độ lưu loát khi nói — đặc biệt hiệu quả cho người luyện IELTS Speaking và muốn giao tiếp tiếng Anh tự nhiên như người bản ngữ.

Phương pháp shadowing: đọc hướng dẫn từng bước đầy đủ →

Luyện nói tiếng Anh bằng Shadowing qua video: C++ in 100 Seconds

10 very promising Open Source Projects you haven’t heard of

7 Programming myths that waste your time

DHH has gone completely off the rails...

DNS Explained in 100 Seconds

Anthropic begged the world to stop AI… then shipped this

One man just liberated Fable... and now it’s illegal

7 Things No Programmer Ever Wants to Hear

80% of programmers are NOT happy… why?

The most interesting hack in history just got weirder...

Raspberry Pi Explained in 100 Seconds

Did Google just kickstart the intelligence explosion?

Tragic mistake... Anthropic leaks Claude’s source code

100+ Docker Concepts you Need to Know

When open-sourcing your code goes wrong...

Docker in 100 Seconds

The mystery is solved... and the answer is 40x cheaper than Claude

An ex-OpenAI researcher just deleted language from the LLM...

25 crazy software bugs explained

Git Explained in 100 Seconds

There's a new Linux distro in town for developers...

Python in 100 Seconds

You are wasting memory

Essence of linear algebra preview

33 Chia class thành các file

CS50x 2026 - Introduction

Linus Torvalds Explains What Makes Linux So Fast

Learning to code: How Pavel Durov learned to program | Lex Fridman Podcast Clips

🔥 Java Multithreading Rapid Fire | Can You Answer These Interview Questions? #shorts

Can Cursor's HARDCORE Review Skill Stop The Slop?

LangChain in 5 Minutes (Explained Clearly)

Everything You Need To Start Making Games (As A Beginner)

Bối cảnh & Nền tảng

5 Câu Nói Hữu Ích Trong Giao Tiếp Hằng Ngày

Hướng Dẫn Shadowing Từng Bước

Phương Pháp Shadowing Là Gì?