please wait
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by elevona
How do I clear the buffer?
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| Hello! This is some code designed to take the first character of a name inputted by the user and wipe the buffer clean to get ready for the next prompt. However... |
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Mar 13, 2019 at 6:16pm
[18 replies] Last: Probably the premiere woman in computer science, Rear Admiral (Lower ... (by closed account E0p9LyTq)
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by vysero
Loop through vector
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| I want to loop through this vector: std::vector<DynamicSdmProtocol::DynamicSdm*> m_devices; I am getting an error when trying to loop through it ... |
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Mar 13, 2019 at 5:56pm
[3 replies] Last: Ah I see now, this was my fault, size() is correct. (by vysero)
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by cash
vector insert function
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| My program should use the function find_if() to find the odd numbers in the vector and add a -1 in front of them, for some reason I'm getting an error? #... |
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Mar 13, 2019 at 5:44pm
[9 replies] Last: Iterator is more about making ++ polymorphic than about hiding the poi... (by keskiverto)
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by Majeek
Improve Beginner Code
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| So I'm pretty new to C++ and after making this little game after I finished the 1st section of my lessons. (Section 2 is moving onto Unreal Engine) I wanted to ... |
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Mar 13, 2019 at 2:53pm
[5 replies] Last: Lets look at HiddenNumberGenerator. You want four unique digits, where... (by keskiverto)
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by kyrresc
Shallow/deep copy
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| Hello, I have a small code here which results in an error message. class Dummy { public: int *num; int test; Dummy() { num = new... |
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Mar 13, 2019 at 9:32am
[11 replies] Last: Constructor constructs a new object. Assignment modifies existing obje... (by keskiverto)
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by aab2020
Please help
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| 7. Consider the following declaration: class Strange { . . . }; (a). Write a statement that shows the declaration in the class Strange to overload th... |
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Mar 13, 2019 at 6:34am
[1 reply] : Read this -> https://www.learncpp.com/cpp-tutorial/93-overloading-the-... (by salem c)
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by avaldivia
What's wrong with my code?
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| I'm trying to code a program that asks a student for class , year, unit, grade and then displays those on a table then asks again for the next class unless they... |
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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)
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by elevona
grab first char of a string
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| Hi, I need help grabbing the very first character/letter of a string. As a beginner, I cannot use arrays or anything "Fancy" for this. I tried accepting the ... |
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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)
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by Vetzo
strerror_s: unique_ptr and char array+delete
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| Hello Forum, How do you use std::unique_ptr with strerror_s? std::unique_ptr<char > pcMessage; pcMessage = std::unique_ptr<char >(new char ); strerror_s(p... |
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Mar 12, 2019 at 8:54pm
[3 replies] Last: Ah, thank you both. (by Vetzo)
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by jjordan33
Beginner to class problem
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| Hi, I'm a student, and my c++ class has an online homework called zybooks and it's a mixture of participation and some challenges. We've begun classes, and it'... |
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Mar 12, 2019 at 8:32pm
[3 replies] Last: Is virtual something that should be used for classes in general? vi... (by AbstractionAnon)
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by Majeek
"int" to "vector <char>"
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| I would normally just do "Vector.push_back(String )" in a for loop (for strings) but I cant do Int with integers, so how could I do this? void HiddenNumberG... |
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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)
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by jefazo92
Trouble passing two digit hex values from .txt file into array
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| Hi, I am trying to use stream to open a .txt file and pass the data inside it into an array. However, I have the problem that when I pass the file (see below) ... |
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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)
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by jjordan33
reversing struct array's rows
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| Would this take the struct array in temp and reverse it into temp2, then finally flipping the original image in im.pic? for (int i = 0; i < im.rows; i++) { ... |
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Mar 12, 2019 at 6:35pm
[8 replies] Last: That's some sick code. Thank you. (by jjordan33)
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by AL88
Why is this segfaulting?
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| I'm trying to write my own address card database program and I am testing out different things like sorting alphabetically, writing a vector to a test file and ... |
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Mar 12, 2019 at 6:31pm
[1 reply] : Maybe give your vector a size? vector<addressCard> spareVector(numbe... (by salem c)
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by Chris26
Integer cin
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| Hello, for example i have this code int a, b; cout << "enter a number " << endl; cin >> a; cout << "enter a number " << endl; cin >> b;... |
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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)
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by redfury
Assigning value to constant integer in Class
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| Hello, I just started making the following program, Make a class Pointer Declare a 2D integer pointer as private data member in it. And a const int size. M... |
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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)
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by JayGln
pragma or ifndef?
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| I was finishing up an exam my professor gave me with only part of the .h file to answer some multiple choice questions. I wanted to try and figure out where he ... |
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Mar 12, 2019 at 5:54pm
[11 replies] Last: Funny how these topics reappear so regularly. #pragma once was once... (by Duthomhas)
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by chrispy232
Error binary operator << in creation of calendar
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| when I try to run the program, in lines 24 and 53 are giving me a binary error. If Anyone can help ASAP, greatly appreciated. #include<iostream> #include<i... |
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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)
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by salem c
Help Required
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| Another zero-effort codechef problem poster. If your only skill is copy and paste, then just give up now. Otherwise, grab a pencil and paper and start sketchin... |
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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)
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by AL88
How can I replace the existing vector?
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| How can I replace the existing vector on line 170 with what is read from the file? What can I use instead of pushback(that doubles the vector size). I tried rep... |
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Mar 12, 2019 at 3:31pm
[1 reply] : Use std::vector 's erase() or clear() methods before you start pu... (by closed account E0p9LyTq)
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