Basics Of Coding For Beginners – Welcome to the wonderful world of programming. This is one of the most useful skills and abilities you can learn and use to make your visions come true.
In this guide, we’ll go into why programming is important, its uses, its basic concepts, and the skills you need to become a successful programmer.
Basics Of Coding For Beginners
Did you know that computer programming is already a basic part of your daily life? Let’s see why. I am sure you will be very surprised.
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Every time you turn on your smartphone, laptop, tablet, smart TV or any other electronic device, you are running code designed, created and written by developers. This code generates the final result and the interaction you can see on your screen.
That’s the programming. It is the process of writing code to solve a specific problem or perform a specific task.
Programming allows your computer to run the programs you use every day and your smartphone to run the applications you love. It is an integral part of our world as we know it.
Every time you check your calendar, attend virtual conferences, browse the web, or edit a document, you’re using code written by developers.
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Code is a sequence of instructions written by a programmer to tell a machine (such as a computer) what to do.
A machine cannot automatically learn how to take a specific position or perform a task. So developers are responsible for analyzing the situation and writing instructions here to do what is needed.
Amazing, isn’t it? It is very powerful and by learning how to code you can be a part of this amazing world. Let’s see how.
Let’s put you in the shoes of a developer for a moment. Imagine you are building a mobile app similar to the one you have installed on your smartphone right now.
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As a developer, you start by designing the app’s design, how it will work, its different screens and functions, and all the small details that make your app an amazing tool for users around the world.
Only after planning everything carefully can you start writing your code. To do that, you need to choose a programming language to work with. Let’s see what programming languages are and why they are important.
We hope that our computer will understand what we are saying. We have to follow certain rules to learn the rules.
Each programming language has its own rules that determine whether a line of code is valid or not. Because of this, code written in one programming language will be slightly different from others.
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? Tip: Some programming languages are more complex than others, but most of them share key concepts and functionality. If you learn how to code in one programming language, you can quickly learn another.
Before you start building amazing programs and applications, you need to learn the basic rules of the programming language you choose for the job.
? Hint: A program is a set of instructions written in a programming language to operate a computer. We usually write the code for our program in one or more files.
For example, this is a line of code in Python (the most popular programming language) that displays a message
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But if you write the same line of code in JavaScript (a programming language used for web development), it will throw an error because it is not valid.
Visually, they are very different, aren’t they? This is because Python and JavaScript have different syntax and different built-in functions.
? Tip: Built-in functions are basically functions already defined in the programming language. This allows us to use them directly in our code by writing their names and specifying the values they require.
A function that we can use is JavaScript to display a message in the console (interactive tool) if we run our code in the browser.
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Examples of programming languages are Python, JavaScript, TypeScript, Java, C, C#, C++, PHP, Go, Swift, SQL, and R. There are many programming languages and most of them can be used for different purposes. .
The 14 most popular programming languages among respondents to the StackOverflow Developer Survey 2022. It is an annual survey that gathers information about popular technologies and trends in the development community.
There are many more programming languages (hundreds or thousands!) but in general, you will learn and work with some of the most popular ones. Some of them have broad applications, like Python and JavaScript, while others (like R) have specific (and theoretical) purposes.
It’s a lot of fun, isn’t it? We have just started to talk about programming languages. There is a lot to learn about them, and if you delve into programming, I can assure you that your time and effort will be totally worth it.
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You are awesome! Now that you know what programming is and what programming languages are, let’s see how programming is related to binary numbers.
When you think of programming, the first thing that comes to your mind is something like the picture below, right? A row
Programs are often written in a high-level programming language, a programming language with a syntax that identifies specific words (called keywords), symbols, and values of different data types.
Every programming language has its own keywords (words written in English). These topics are part of the syntax and functionality of the programming language.
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But subjects are common words in English, almost like words found in a book.
When a program is run, code written in a human-understandable high-level programming language is automatically converted into computer-intelligible binary code.
Converting human-intelligible source code into computer-readable binary code is called compilation.
Computer software that translates (program) source code written in a high-level language (eg, C++) into a set of machine language instructions that can be understood by the CPU of a digital computer.
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The term was invented by American computer scientist Grace Hopper, who designed one of the first generators in the early 1950s.
Some programming languages can be classified as compiled programming languages, while others can be classified as semantic programming languages based on how they are converted to machine language instructions.
However, they all have to go through a process that turns them into computer-intelligent processes.
You are awesome. Now you know why binary code is important to computer science. Without it, there would be no programming, because computers would not be able to understand our processes.
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Programming has different applications in different industries. This is really amazing because you can use your knowledge in any job you are interested in.
From engineering to farming, game development to physics, the possibilities are endless if you learn how to code.
Front-End Web Developers can view and interact with parts of websites and web applications.
If you learn how to code, you can use your programming skills to design and develop websites and online platforms. Front-End Web Developers can directly view and interact with parts of websites.
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For example, right now you are reading an article about publishing. The output looks like this and thanks to the line-by-line code written by front-end web developers.
HTML and CSS code for the main page (this is a preview of the code in Chrome Developer Tools).
Front-End Web Developers use HTML and CSS (markup languages used to display information) to create a website structure and write JavaScript code to add functionality and interactivity.
If you are interested in learning front-end web development, you can learn HTML and CSS with these free services on the YouTube channel:
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? Tip: You can earn a Responsive Web Design certification by learning interactive courses at
Back-end web developers build servers and databases to handle everything that goes behind the scenes to make more complex web applications run smoothly.
The server is also needed for more complex and dynamic web applications that work with user data. It is a computer program that receives questions and sends appropriate answers. They also need a database, a collection of values stored in a structured way.
Back-end web developers are responsible for developing the code for these servers. They decide how to handle different requests, how to send appropriate resources, how to store information and basically how to make everything work smoothly and efficiently behind the scenes.
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A real-world example of end-to-end web development is what happens when you create an account and complete a challenge. Your information is stored in a database and accessed by entering with your email and password.
? Tip: Full-stack web developers are responsible for both front-end and back-end web development. They have significant knowledge in both fields.
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