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Wanna learn C++, now HOW?

Joe Jackman
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Go to solution Solved by Dilworth,

Personally, I would start with something a little easier to pick up than C++, as @jaslion has already suggested. Java might be a good place to start (if you have a good teacher), but in my most humblest of opinions, it still has a lot of (arguably) unnecessary syntax for a beginner.

 

Understanding core programming principles, language constructs and simple data structures is probably where you want to start. Playing around with sequential, non object-orientated code in an interpreted language like python is a good way to start picking this up (simply install python if you're on a windows machine and open up a prompt, then refer to Pythons documentation, you can just use terminal if you're using macOS or Linux). If you already have this knowledge (understanding of loops, variables, arrays, maps, flow control, etc), then I think it's time to move to object-orientated programming. This is where I think Java actually is a good choice of language, it forces you to be much more explicit, thereby pushing you to really understand what the code you are writing is doing, stack traces are usually fairly informative and you don't have to deal with the intricacies of memory management. This all means you can firmly concentrate on the code you are writing, rather than having to spend ALOT of time debugging and searching for memory leaks (from my experience anyway).

 

With this said, it can be pretty tough to wrap your head around objects, inheritance, polymorphism, interfaces and the works. Which is why I think at this stage, either taking a course (such as those offered by Coursera, also suggested by jaslion) or reading a book (yes, I did indeed say reading a book) on the subject may be a good idea. You could opt to refer to some documentation on object-orientated programming (OOP) but from my experience, watching someone else provide a working example or reading about the subject in a well structured manner and testing yourself using exercises provides the most valuable learning experience. The final alternative would be to look for free YouTube videos, as there are plenty, but what I have found is that sometimes a lot of the people on YouTube offering free OOP videos often are scratching the surface and don't provide a full, well thought out explanation of what is going on. The narrative is usually something like: "we'll come back to what exactly this means later, just use this static keyword for now and don't worry too much about it". Don't get me wrong, I'm sure there are some great free online courses out there, I just haven't come across many myself.

I would say, once you're feeling confident with core programming principles and concepts such as: interpreted languages VS compiled languages, OOP, what the JVM is and why it exists, garbage collection, etc. Then it's time to give learning C++ a try, otherwise you might (like one of my friends) think you hate programming because the first programming language you tried to learn was either C or C++.

 

Also I'm surprised no one has referenced this image yet:

Learn+c+in+21+days_7ee339_3181601.jpg

I'm new here btw, so hello! It took me a while to figure out how to include that image! Anyway, those are my 2 cents, you may not have asked for them, but you're having them regardless! Feel free to critique my response if you feel differently.

Dilworth

Posted

want to learn programming, i started actually but all i was doing was following instructions and not learning it. so i wanna scarp all of my hours of stupidity out and learn from people who actually learned it from the internet. want to productive and actually understand how libraries work and how compilers functions and what my error actually meant, not just a text saying that i am wrong. And i don't want to spend money on learning because i cant.   

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7 minutes ago, Joe Jackman said:

want to learn programming, i started actually but all i was doing was following instructions and not learning it. so i wanna scarp all of my hours of stupidity out and learn from people who actually learned it from the internet. want to productive and actually understand how libraries work and how compilers functions and what my error actually meant, not just a text saying that i am wrong. And i don't want to spend money on learning because i cant.   

Same here, any ideas? 

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8 minutes ago, Joe Jackman said:

want to learn programming, i started actually but all i was doing was following instructions and not learning it. so i wanna scarp all of my hours of stupidity out and learn from people who actually learned it from the internet. want to productive and actually understand how libraries work and how compilers functions and what my error actually meant, not just a text saying that i am wrong. And i don't want to spend money on learning because i cant.   

I would advice you to start with java since it's easier to understand. Then branch off into whatever language you prefer. I started in C++ and struggled terribly then went to java and got a way better understanding of how things worked. Then went back to c++ and now everything is going quite well + learned another widly used language.

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Make a simple goal and struggle your way through until you achieve it then make a slightly harder one and repeat. Also modifying existing code and using libraries is good to know too

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Just keeping this here as a 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14 minutes ago, BuckGup said:

Make a simple goal and struggle your way through until you achieve it then make a slightly harder one and repeat. Also modifying existing code and using libraries is good to know too

Thats a good idea I might even be able to provide some beginner programs/assignments I had to do 4 years ago.

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If you know other programming languages you should be fine just jumping into a C++ project. Basically I learned C++ as a side effect of learning OpenGL (tutorial series I heavily used: https://learnopengl.com/ ). Also keep in mind that I wasn't motivated enough to actually learn C++/OpenGL by my own and only really learned it when I took courses (intro to graphics and intro to OS) that required it.

 

Essentially if you know other languages you should be able to just jump into some cool C++ project and learning C++ that way. Otherwise your best approach would be to learn an easier language (python or C#) and then learning C++ afterwards.

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On 12/2/2017 at 9:39 PM, jaslion said:

Thats a good idea I might even be able to provide some beginner programs/assignments I had to do 4 years ago.

so will you? if so when

 

 

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  • 4 weeks later...
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On 05/12/2017 at 6:28 PM, Joe Jackman said:

so will you? if so when

 

 

I should be getting them from an old teacher in about a week.

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Just now, jaslion said:

I should be getting them from an old teacher in about a week. However it's going to be java since the C++ needs an in house developed engine to work and it is not allowed to be used by non current attending students.

 

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Google stackoverflow

 

But in all seriousness I would install bash first.  Then download notepad++ and compile your programs from there.

 

Write back if u need help with the process on getting bash on your computer.

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Personally, I would start with something a little easier to pick up than C++, as @jaslion has already suggested. Java might be a good place to start (if you have a good teacher), but in my most humblest of opinions, it still has a lot of (arguably) unnecessary syntax for a beginner.

 

Understanding core programming principles, language constructs and simple data structures is probably where you want to start. Playing around with sequential, non object-orientated code in an interpreted language like python is a good way to start picking this up (simply install python if you're on a windows machine and open up a prompt, then refer to Pythons documentation, you can just use terminal if you're using macOS or Linux). If you already have this knowledge (understanding of loops, variables, arrays, maps, flow control, etc), then I think it's time to move to object-orientated programming. This is where I think Java actually is a good choice of language, it forces you to be much more explicit, thereby pushing you to really understand what the code you are writing is doing, stack traces are usually fairly informative and you don't have to deal with the intricacies of memory management. This all means you can firmly concentrate on the code you are writing, rather than having to spend ALOT of time debugging and searching for memory leaks (from my experience anyway).

 

With this said, it can be pretty tough to wrap your head around objects, inheritance, polymorphism, interfaces and the works. Which is why I think at this stage, either taking a course (such as those offered by Coursera, also suggested by jaslion) or reading a book (yes, I did indeed say reading a book) on the subject may be a good idea. You could opt to refer to some documentation on object-orientated programming (OOP) but from my experience, watching someone else provide a working example or reading about the subject in a well structured manner and testing yourself using exercises provides the most valuable learning experience. The final alternative would be to look for free YouTube videos, as there are plenty, but what I have found is that sometimes a lot of the people on YouTube offering free OOP videos often are scratching the surface and don't provide a full, well thought out explanation of what is going on. The narrative is usually something like: "we'll come back to what exactly this means later, just use this static keyword for now and don't worry too much about it". Don't get me wrong, I'm sure there are some great free online courses out there, I just haven't come across many myself.

I would say, once you're feeling confident with core programming principles and concepts such as: interpreted languages VS compiled languages, OOP, what the JVM is and why it exists, garbage collection, etc. Then it's time to give learning C++ a try, otherwise you might (like one of my friends) think you hate programming because the first programming language you tried to learn was either C or C++.

 

Also I'm surprised no one has referenced this image yet:

Learn+c+in+21+days_7ee339_3181601.jpg

I'm new here btw, so hello! It took me a while to figure out how to include that image! Anyway, those are my 2 cents, you may not have asked for them, but you're having them regardless! Feel free to critique my response if you feel differently.

Dilworth

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17 hours ago, straight_stewie said:

Nope.

Can you explain why you think that programmers should read all that?What kind of "programmer" are you even talking about?I highly doubt that a mobile or web developer (and most "native" developers) would need complex mathematics, let alone The art of programming.

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6 hours ago, MyName13 said:

I highly doubt that a mobile or web developer (and most "native" developers) would need complex mathematics

First off, discrete mathematics just happens to be the field of mathematics where you get set theory and Boolean Algebra, so slow your hate train down a little. 

All programmers should have atleast a working knowledge of set theory and boolean algebra. Most should also have an understanding of how to prove an algorithm's correctness and how to determine and prove an algorithm's Big(0) classification. 

 

6 hours ago, MyName13 said:

Can you explain why you think that programmers should read all that

Secondly, I believe that all should, at some point in their learning, for one simple reason: If you can't even be bothered to read about the thing that you want to do, you ought not do it.

ENCRYPTION IS NOT A CRIME

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1 hour ago, straight_stewie said:


Most should also have an understanding of how to prove an algorithm's correctness and how to determine and prove an algorithm's Big(0) classification. 

 

Secondly, I believe that all should, at some point in their learning, for one simple reason: If you can't even be bothered to read about the thing that you want to do, you ought not do it.

 

You do not need math above hs level to work as programmer. Yea, there are kind of jobs in programming that actually require decent background in math, but it aint majority.

 

That's been stated by guy who's Security Engineer and does quite a lot of stuff around competitive hacking.

 

Let's say that you're programmer in Bank - they arent going to tell you "hey XYZ, you have to write some weird ass formula that requires knowledge" - they'll give it for you and you just've to implement it. You're hired as programmer, not applied mathematician or somebody else.

 

But don't understand me wrong, I'm not saying that knowledge in math is bad or something, it is actually useful as fuck but you do not have to start with reading math theory to start writing programs.

 

In my opinion it may be actually easier to understand that math by starting with programming and then just reading math theory. You'll probably act like "oh it's so obvs, I didnt even know that it needed to been named and formally written"

 

@Joe Jackman

 

I suggest something that aint C++.

 

Other languages such as C# allow you to create "something that actually works and you can see+use it" by far faster.

 

In e.g C# you'll be able to actually focus on programming instead of solving problems that from last century.

 

But later then you should get knowledge on those things that are easy+fast to do in high level languages but not in c++.

 

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5 hours ago, Axx said:

In my opinion it may be actually easier to understand that math by starting with programming and then just reading math theory. You'll probably act like "oh it's so obvs, I didnt even know that it needed to been named and formally written"

I agree with this completely. It's best to do both at the same time. However, I need to reiterate that I did not recommend that book for the math, I recommended it for the logic. The math that it contains is, as you said, highschool level. The most complicated maths is combinatorics, which is really just learning how to use two different equations in various ways.

But I'll admit, I was kind of being a dick with my reply because I looked at the subforum and there were four threads in a row that said "want to learn program, where to start?"

ENCRYPTION IS NOT A CRIME

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On 1/5/2018 at 9:33 AM, Dilworth said:

Personally, I would start with something a little easier to pick up than C++, as @jaslion has already suggested. Java might be a good place to start (if you have a good teacher), but in my most humblest of opinions, it still has a lot of (arguably) unnecessary syntax for a beginner.

 

Understanding core programming principles, language constructs and simple data structures is probably where you want to start. Playing around with sequential, non object-orientated code in an interpreted language like python is a good way to start picking this up (simply install python if you're on a windows machine and open up a prompt, then refer to Pythons documentation, you can just use terminal if you're using macOS or Linux). If you already have this knowledge (understanding of loops, variables, arrays, maps, flow control, etc), then I think it's time to move to object-orientated programming. This is where I think Java actually is a good choice of language, it forces you to be much more explicit, thereby pushing you to really understand what the code you are writing is doing, stack traces are usually fairly informative and you don't have to deal with the intricacies of memory management. This all means you can firmly concentrate on the code you are writing, rather than having to spend ALOT of time debugging and searching for memory leaks (from my experience anyway).

 

With this said, it can be pretty tough to wrap your head around objects, inheritance, polymorphism, interfaces and the works. Which is why I think at this stage, either taking a course (such as those offered by Coursera, also suggested by jaslion) or reading a book (yes, I did indeed say reading a book) on the subject may be a good idea. You could opt to refer to some documentation on object-orientated programming (OOP) but from my experience, watching someone else provide a working example or reading about the subject in a well structured manner and testing yourself using exercises provides the most valuable learning experience. The final alternative would be to look for free YouTube videos, as there are plenty, but what I have found is that sometimes a lot of the people on YouTube offering free OOP videos often are scratching the surface and don't provide a full, well thought out explanation of what is going on. The narrative is usually something like: "we'll come back to what exactly this means later, just use this static keyword for now and don't worry too much about it". Don't get me wrong, I'm sure there are some great free online courses out there, I just haven't come across many myself.

I would say, once you're feeling confident with core programming principles and concepts such as: interpreted languages VS compiled languages, OOP, what the JVM is and why it exists, garbage collection, etc. Then it's time to give learning C++ a try, otherwise you might (like one of my friends) think you hate programming because the first programming language you tried to learn was either C or C++.

 

Also I'm surprised no one has referenced this image yet:

Learn+c+in+21+days_7ee339_3181601.jpg

I'm new here btw, so hello! It took me a while to figure out how to include that image! Anyway, those are my 2 cents, you may not have asked for them, but you're having them regardless! Feel free to critique my response if you feel differently.

Dilworth

there were some concepts i figured out when i was trying to understand C++ --now i shifted to python, being aided by a book,-- can i share with you some of them and see if they are right?

 

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