Beginners - C++ Forum - March 2019 (Page 14)

Hello! This is some code designed to take the first character of a name inputted by the user and wip...

Mar 13, 2019 at 6:16pm

[18 replies] Last: Probably the premiere woman in computer science, Rear Admiral (Lower ... (by closed account E0p9LyTq)

by vysero

Loop through vector

I want to loop through this vector: std::vector<DynamicSdmProtocol::DynamicSdm*> m_devices;...

Mar 13, 2019 at 5:56pm

[3 replies] Last: Ah I see now, this was my fault, size() is correct. (by vysero)

by cash

vector insert function

My program should use the function find_if() to find the odd numbers in the vector and add a -1 in f...

Mar 13, 2019 at 5:44pm

[9 replies] Last: Iterator is more about making ++ polymorphic than about hiding the poi... (by keskiverto)

by Majeek

Improve Beginner Code

So I'm pretty new to C++ and after making this little game after I finished the 1st section of my le...

Mar 13, 2019 at 2:53pm

[5 replies] Last: Lets look at HiddenNumberGenerator. You want four unique digits, where... (by keskiverto)

by kyrresc

Shallow/deep copy

Hello, I have a small code here which results in an error message. class Dummy { public: ...

Mar 13, 2019 at 9:32am

[11 replies] Last: Constructor constructs a new object. Assignment modifies existing obje... (by keskiverto)

by aab2020

Please help

7. Consider the following declaration: class Strange { . . . }; (a). Write a statement th...

Mar 13, 2019 at 6:34am

[1 reply] : Read this -> https://www.learncpp.com/cpp-tutorial/93-overloading-the-... (by salem c)

by avaldivia

What's wrong with my code?

I'm trying to code a program that asks a student for class , year, unit, grade and then displays tho...

Mar 13, 2019 at 5:51am

[4 replies] Last: So I did that but now instead of asking for Course #1 it just duplicat... (by avaldivia)

by elevona

grab first char of a string

Hi, I need help grabbing the very first character/letter of a string. As a beginner, I cannot use a...

Mar 13, 2019 at 1:48am

[12 replies] Last: '\n' is not the null terminator, it is the newline/carriage return. ... (by closed account E0p9LyTq)

by Vetzo

strerror_s: unique_ptr and char array+delete

Hello Forum, How do you use std::unique_ptr with strerror_s? std::unique_ptr<char > pcMessage; ...

Mar 12, 2019 at 8:54pm

[3 replies] Last: Ah, thank you both. (by Vetzo)

by jjordan33

Beginner to class problem

Hi, I'm a student, and my c++ class has an online homework called zybooks and it's a mixture of par...

Mar 12, 2019 at 8:32pm

[3 replies] Last: Is virtual something that should be used for classes in general? vi... (by AbstractionAnon)

by Majeek

"int" to "vector <char>"

I would normally just do "Vector.push_back(String )" in a for loop (for strings) but I cant do Int ...

Mar 12, 2019 at 8:26pm

[4 replies] Last: Lines 2 and 3 are creating a duplicate variable name. Oh well how d... (by AbstractionAnon)

by jefazo92

Trouble passing two digit hex values from .txt file into array

Hi, I am trying to use stream to open a .txt file and pass the data inside it into an array. Howeve...

Mar 12, 2019 at 6:51pm

[9 replies] Last: I would do it as a vector and then extract the array from it if you NE... (by jonnin)

by jjordan33

reversing struct array's rows

Would this take the struct array in temp and reverse it into temp2, then finally flipping the origin...

Mar 12, 2019 at 6:35pm

[8 replies] Last: That's some sick code. Thank you. (by jjordan33)

by AL88

Why is this segfaulting?

I'm trying to write my own address card database program and I am testing out different things like ...

Mar 12, 2019 at 6:31pm

[1 reply] : Maybe give your vector a size? vector<addressCard> spareVector(numbe... (by salem c)

by Chris26

Integer cin

Hello, for example i have this code int a, b; cout << "enter a number " << endl; ci...

Mar 12, 2019 at 6:28pm

[4 replies] Last: Oh, so 1 3 2 should result in a=1 and b=2. (by salem c)

by redfury

Assigning value to constant integer in Class

Hello, I just started making the following program, Make a class Pointer Declare a 2D integer po...

Mar 12, 2019 at 6:19pm

[5 replies] Last: Also if you're using modern C++ you could assign the value in the defi... (by jlb)

by JayGln

pragma or ifndef?

I was finishing up an exam my professor gave me with only part of the .h file to answer some multipl...

Mar 12, 2019 at 5:54pm

[11 replies] Last: Funny how these topics reappear so regularly. #pragma once was once... (by Duthomhas)

by chrispy232

Error binary operator << in creation of calendar

when I try to run the program, in lines 24 and 53 are giving me a binary error. If Anyone can help A...

Mar 12, 2019 at 3:54pm

[1 reply] : Why don't you enclose your code with code-tags? Expect you that we cou... (by nuderobmonkey)

by salem c

Help Required

Another zero-effort codechef problem poster. If your only skill is copy and paste, then just give up...

Mar 12, 2019 at 3:33pm

[4 replies] Last: I will if you can point to it. If i see it I will, but if you already... (by jonnin)

by AL88

How can I replace the existing vector?

How can I replace the existing vector on line 170 with what is read from the file? What can I use in...

Mar 12, 2019 at 3:31pm

[1 reply] : Use std::vector 's erase() or clear() methods before you start pu... (by closed account E0p9LyTq)

Beginners - March 2019 (Page 14)

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