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OK, so in this lecture, we're actually just going to be talking about where we're going to write the

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code for C++.

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So where do you write code?

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You probably have written some documents.

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It may be in like Microsoft Word or, you know, Google Docs or something like that or just Notepad

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app, something similar to that.

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And it's very similar for code.

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You can use some very basic kind of text editors for writing code, or you can use some like really

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fancy integrated development environments, which are programs.

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They're basically software that is designed to make your coding life a lot easier.

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They do a lot of heavy lifting for you, and there's a lot of really fancy features that help you debug

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code, and you can even kind of help you write code faster and in a more streamlined way.

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So we're going to be going over all these different things today because I want everyone to have the

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flexibility to be able to code in whatever environment they want.

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Maybe they don't want a really big or overwhelming I.D. You know, it may or may not be overwhelming,

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but there could be a chance that when you open up an I.D., you're like, Wow, this is really confusing.

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It feels like I'm driving a spaceship or something like that.

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I don't want anyone to be held back from the learning experience of the course, but it's really about

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learning about programming and algorithms and things like that.

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Less about the editor.

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So I don't want you to be hung up on like figuring out how to use your editor.

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So I'm going to be covering as much as I can about each editor, how to use it, how to debug in an

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I.D., how to debug in the terminal, how to write code in the terminal, how to write code in a lightweight

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text editor and of course, how to write code in an ID as well.

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So today's lecture is just going to be all about where do we write code?

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What are all the options that I have?

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Where do I go to download these things?

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Are they free?

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Do I have to pay for them?

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How do I set it up?

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And I try and answer all these questions in this lecture.

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So with that, let's go ahead and get started.

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I have three different styles of locations to write code software to use to write code that I'm going

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to explain to you today.

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And there are a bunch of different versions of each one of these types of editors that I'm going to

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talk about.

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I just picked three.

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I picked my three favorite ones.

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So you don't have to use any of these, but I'm going to show you where to download these and how to

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use them.

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So you have a few different options.

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You, of course, can go get your own, you know, versions of these your own.

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Like brands, if you will, like if you want a different companies.

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Text editor, a different type of text editor, you can totally do that if you already know of one that

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you want to use.

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You can go do that.

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I cannot cover all the different text editors that would take me forever, and I feel like it would

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seriously detract from the purpose of this course.

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But I am not going to leave you hanging.

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I'm going to go over at least a few different options so you can feel comfortable coding in an environment

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that you like.

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You can also use all three to and that might be good, so you can kind of expand your knowledge and

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skill and have you know how to use different editors and stuff like that.

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So we kind of have the whole spectrum covered here.

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I'm going to go over on these three different things.

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First, I'm going to talk about a command line based text editor called them.

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I also have a graphical version of it here, too, but I'm going to be focusing on the command line

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for it.

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Then in the end, that's kind of the most primitive one.

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Yet it is really great and loved by many programmers and developers because you can write code really

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fast and it if you know how to use it at a very highly skilled level, you can navigate around a file

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very quickly and write code very quickly.

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So it's pretty cool, and that's why I wanted to introduce it.

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And so that's kind of the start on the very left side, the lowest part, if you will, in terms of

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like how fancy we're getting.

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Then in the middle, there's something called Visual Studio Code.

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I would consider this a lightweight I.D. idea standing for integrated development environment.

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It's somewhere between a basic text editor and an ID somewhere in the middle there.

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People love Visual Studio code.

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I really do love Visual Studio Code.

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I would say that if you're struggling on which one to choose at the end of this video, I would just

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say go with Visual Studio code just because I think it there's lots of great documentation online about

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it.

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Tons of people use it and just really love it.

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And it's pretty easy to write code in and it doesn't take a ton of getting used to yet.

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You can customize it a lot and you can make it really, really fancy if you want and add additional

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plug ins and stuff like that.

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And then the kind of other end of the spectrum is going to be like a big, fancy indie called Sea Lion

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from jet brains.

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They also make IDs for the Python programming language, which is this right here pie charm.

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I just have the community edition of this, and I think they also make one for like Java and JavaScript

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or something called Intel.

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I don't have that on here, but that's I've heard that's also really great.

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So let me kind of talk about each one of these individually, and I'll show you where you can, where

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you can get them and and download them.

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So first off, I'm going to look at something called them.

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And this is something that you can access from the command line once you install it, and it's going

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to be similar in Windows, Mac or Linux, so whatever operating system you have, you will be able to

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go to your terminal like if you are in Mac, your bash shell, if you are in Linux or your command prompt

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here in Windows and just type them and press enter.

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And that will bring you into this.

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You notice it, says VM, which stands for I improved v.

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I was the older version of it.

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It is a pretty old ed, but still really loved by the programming community.

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So what's up with him?

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It is a really cool editor, but for beginners, it does take a while to just get to a point where you

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can comfortably navigate around in it.

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It uses some weird keys, so it has these two modes.

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One that's called insert mode and one that's called command mode right now.

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You're kind of you get into it and you're like, Well, what do I do?

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I don't know how to get around what I'm typing keys like.

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I type some keys and like, Oh, what happened?

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Now I'm in insert mode and I don't know what's going on.

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You know, you type some keys and it doesn't really like, do anything.

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So what you do is you press I to go into insert mode and that lets you start typing.

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So now, you know, I can type some stuff.

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I press the escape key that brings me back to that mode that I was just in called command mode.

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Command mode is for navigating around.

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You can see that my cursor is moving around right here and I can press high again, and now I'm in insert

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mode and I can start typing at this point where my cursor is.

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So the thing is, is that to get around when I'm going back and forth like this, I'm actually pressing

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the h key to go left and the key to go right.

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And you actually.

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If you go to another line and start typing some code, when I go up and down between lines, I'm typing

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that J and the K so k to go up to go down.

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So it's kind of a little confusing.

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You need to learn how to use the keyboard to navigate around this environment, but there's a lot more

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keys that you can press to do things very quickly, like you can just quickly delete a line like that

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by just pressing RD twice, and that also copies that line.

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There's just a lot of cool key combinations that once you learn them, you can write code super fast

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in here.

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And it's it feels pretty nice if you're if you become kind of a power user of them, you can just write

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code incredibly quickly.

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And it's a great experience because you just feel like you have so much power and control over your

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environment that you're writing.

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Code in a cool thing, too, is that you will be able to set up that Vim Navigation in visual studio

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code as well.

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I believe there's a way to set that up.

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I don't have it set up, but I think there is a way which I might actually look into so I can tell you

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how to do that.

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But yeah, it will take.

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It's a little bit of a learning curve to be able to write code in here.

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That's why I don't want you to be forced to have to use this.

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But if you do want to use it, just know it.

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You can write code really fast.

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You can also customize it.

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I will show you how to customize certain color schemes in here and stuff like that right now.

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It just looks like gray code.

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So even though you might not understand the commands.

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That I'm writing in here, I will show you

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just what the colors look like.

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So I'm going into a C++ file right now and you see that I type this and it's actually separating things

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by colors, which is pretty cool.

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This is me typing some C++ code right now.

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And you can you notice it just it looks kind of visually appealing to and you can also

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do like

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some.

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You can change the color scheme.

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So

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colors in, uh.

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Color scheme, did you know?

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Oh, no, it's just a color scheme, that's what it is.

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Color scheme, desert, I think color scheme.

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Blue, dark blue.

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OK, here we go.

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Al Ford, OK.

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So you notice that the I had some color schemes there.

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I can change the the color.

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Any industry, so that just changes the colors.

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Kind of cool, that just changes it temporarily.

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If I go, I actually didn't save that file, so actually it was already touched.

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Yeah, I can save it.

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So you notice now it goes back to my original one.

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This is something that you can edit in this VM rc file that exists on your computer.

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You can go and actually set the default colors and stuff like that and customize your your editor here.

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So that's just something I wanted to show you all.

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If you saw some weird commands there, don't mind that I'm going to go over how to navigate the command

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line and stuff like that.

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This is me just kind of showing you what the various coding environments look like, so you can choose

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one to be able to download.

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OK, so let's move on to the next one, which is going to kind of be our in-between a primitive and

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fancy, which is Visual Studio code.

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So I think I already have like a simple program written in here in C++, so you can just kind of see

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what it looks like.

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I'm not sure if it'll bring that up.

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It's actually blank right now, so I don't have the program, but it also does some color like highlighting

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and stuff like that.

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And you notice it just it's slightly a little a little more fancy.

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So you notice like I type one curly brace here and it does two curly braces.

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It kind of just set things up for you because it, you know, it knows what you're doing.

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It knows that it's C++ and it's it's going to it's going to make it a little easier for you to write

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code.

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It's got a lot more going on here.

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You can download extra plugins that do more for you, like they help you write code.

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It does have a debugger that you can set up for various programming languages.

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You know this, I have this terminal down here, so I can close out of this, I can actually bring up

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this integrated terminal in here, so I can kind of like write code and look at my code and then run

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it in the same kind of window.

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So I could be writing code in this area here and then here it brings up Windows PowerShell, and I would

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actually be able to navigate to the same directory that holds my code and I could compile and run my

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code to and run commands in here because this is like a full on instance of PowerShell.

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So it's pretty cool.

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This is something that can be as basic or advanced as you want.

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You can really customize it and make it more fancy by adding these plug ins and things to it.

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So just know that it still is highly customizable and but still can be pretty simple if you want to

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keep it simple.

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I will be going over all these.

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Like I said before showing you kind of how to use each one of them, you can kind of.

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When we get into the part of the course that talks about debugging, you'll notice that in both Sea

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Lion and in here, you kind of have a similar thing where you can set little dots here to be able to

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tell the program to stop suddenly.

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And you can kind of examine what's happening when the code runs and stuff like that.

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So that is a cool thing when we step it up a bit.

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It has kind of a built-in debugger if you set it up, and that is a really powerful tool, as we'll

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see in the future.

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So just kind of what Visual Studio code looks like.

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It's it's pretty cool.

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You can open multiple files here at once, too, which is nice not to say that you can't do that and

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when, but it's just a little more user friendly and here.

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In this graphical kind of.

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Ed, so you can you can add another file you notice there's like this this tab right here, like a welcome

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tab, you can go like new file and you notice that we have a file here.

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And we also have a file here where I can have another C++ file right beside it.

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And I can kind of toggle back and forth between these and write write code in both of them and jump

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back and forth and do things.

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And then I could run either one of them and stuff like that.

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So.

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So pretty cool.

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Pretty nice looking.

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So that is that's kind of your middle option there.

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I also should point out that I do have this graphical version of them to that that you can install,

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I showed you the command line, but you can.

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I pin this to my taskbar, you can click that and it brings up kind of this graphical version of the

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film editor as well.

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So now we move on to kind of a big idea, which is that integrated development environment I've been

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talking about.

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And so there are other ideas out there that you could use.

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I use this one because I really like it.

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I love chip brains products.

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You know, like I said, like pie charm here as well.

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So let's take a look at this.

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So it is a.

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Got a lot more going on it, and it's just going to bring up like a program here.

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This is from a more advanced.

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Portion of the course, which we will talk about algorithms and stuff, so you can kind of ignore the

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code here, but I just want to kind of show you what it looks like.

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You know, a lot going on here.

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I can bring this over.

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It has.

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You know, all the project files here, so you can have like a big, big project and a list out all

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these files similar, you could do a similar thing here in Visual Studio Code.

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But what makes it so nice is mainly as powerful debugger.

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So.

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You can have a terminal here.

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Or you can, you know, basically have like this little.

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Kind of debugger thing where you can go through and like check like errors, and it's it's pretty nice.

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Like, for example, this is something we haven't gone over yet, but you can basically like set set

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these little points in which you can debug things.

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And kind of, you know, started up and it will just like, stop here for you.

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You can go and in and kind of step through and examine things and look at your code and look at like

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data going through your code.

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And it's just, you know, it's got a really powerful debugger, which I really like.

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So that's what makes this kind of the reason why I love Sea Lion is just because they're debugger is

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so, so nice and easy to use, and it's just the graphical nature of being able to click around on things.

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And examine, you know, memory stuff like that.

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It's super nice we'll be looking at different debunkers, we'll look at this one and we'll look at a

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terminal based debugger as well.

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So you don't have to only use this debugger, but I just kind of want to show you what it looks like,

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what the environment's like.

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You know, it also like completes code for you a lot of times because, you know, if you've already

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kind of typed something out and it recognizes it, that I talked about Visual Studio code being able

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to have that.

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If you install like some plug ins, but here you don't got to install anything, it's just it's all

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there for you.

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So, you know, you can just kind of press tab and it will complete things for you.

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It also will make suggestions and things.

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So, you know, it's pretty cool, like it can change.

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It can kind of change some code.

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For you, sometimes it will highlight highlight certain things you see like a light bulb pop up here

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and you'll be like, Oh, do you want to replace this piece of code with something else?

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And I can click Yes, and it kind of changes it into something else for me.

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And, you know, if I don't like it, I can.

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I can go back to how it was.

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And you know, these are just kind of really cool fancy tools.

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We can do a lot of stuff for you.

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It helps you code better.

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You know, it'll it'll give you little options to change things.

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It will give you suggestions on on spelling or if there's a more efficient way, you could implement

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some type of C++ syntactical thing.

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It'll help out a lot.

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So really powerful development environment.

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So terminate that, so let's let's look at how to download these things, so I've got them pulled up

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in the browser here.

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I'm going to look here for Visual Studio code first, so you can just go to Code Visual Studio dot com

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slash download.

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You notice that they have it for whatever operating system you want.

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You have all these versions of Windows you can download it for and then you notice there's multiple

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distros of Linux here like, for example, you know, Red Hat, Debian two and all that.

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So you can download it for for one of those two and then Mac, of course, here.

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So that's where you can download Visual Studio code.

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Sea Lion is going to be here on the Jet Grain's website, so you can kind of just Google that link.

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Download Sea Lion Safari, click on one of the first results, but you want to come here to get brain

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scan their website.

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They're the ones that make a sea lion pie, charm and intelligence.

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And you can just download it here.

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You notice they also have it for Windows, Mac and Linux.

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So you notice it says it includes an evaluation license key for free 30 day trial.

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So depending on your situation, you might have to pay for this.

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That's why I don't want to limit you to only this and want to show you those other options as well.

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But it is great.

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I think it's worth it if you're really serious about writing a lot of code in big projects in the future

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in C++.

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I think that it is is totally worth it if it just makes your life a lot easier when it comes to writing

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C++ code.

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So you can download that here, if you're a student, you might be able to get it for free by using

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your student email so you can kind of look into that on your own.

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You can kind of search like, you know, getting sea lion as a student and probably walk you through

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how to do that.

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So let's head over to them.

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You can get them here if you don't have it before you just go and try and download it.

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If you have Mac or Linux, you should check to see if you already have them the way that you can do

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that.

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For example, if you're on Mac, this is not a Mac, but you could go up to the little like magnifying

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glass search icon up here and then you can type terminal once you bring that up.

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So TR m and then should probably autocomplete for you and that will bring up your terminal, you know,

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which will be your command prompt kind of like this.

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And then once your command prompt is up, you can just type them and press enter.

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And if it's installed, it'll bring it up.

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If not, then you know you need to install it.

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Same thing for Linux.

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Go into your bash shell type, then if it brings it up, then good.

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If not, then you have to install it and you can install it here on this website.

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Vim dot org.

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You notice that the Mac one you might want to use homebrew, which is right here homebrew is a great,

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great tool on Mac for installing a ton of packages and stuff.

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It just makes your life super, super easy.

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So I think that using homebrew can help you a lot, so I might look into that.

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If you know, even if you already have, it would be good to have homebrew to install a lot of different

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stuff.

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So I want to point that out as well.

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Linux Yeah, you probably have it, but of course they have some stuff right here for a Unix based systems,

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you know, that includes Linux, so you can follow these links and and install that on Windows.

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I would use this standard self installing executable, and you can just leave all the default boxes

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checked and just follow the instructions during the installation and just keep clicking next.

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If you're new to this and you don't know what's going on when it's listing information on that installation

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process, just accept all the defaults and go through and install it.

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So, yeah, that's kind of all three of these, and I think that you could choose any one of them.

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I just wanted to kind of lay those options out for you.

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And no matter what one you choose, you will be able to go through the course just fine.

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So pick whatever one you think meets your needs and I will see you in the next lecture.