is the action of adding an element at the end of a container.
push-back is the action of adding an element at the end of a container.
Questions tagged [push-back]
420 questions
-1
votes
2 answers
C++ Vector of Struct using push_back
This is an assignment for a course that I am having problems with. Until now I thought I was fairly familiar with vectors in C++. This program is supposed to take a file from the user calculate the users pay then spit back out in a nice table all…
GenCrash10
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-1
votes
3 answers
vector function "push_back" keeps rewriting the value to the same slot in memory
The push_back method of the std::vector isn't putting the second console input in the v[1] slot, it keeps overwriting it in the v[0]
I tried to search for other answers to this but the code and answer is too complicated for me to follow, im trying…
donnie
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-1
votes
3 answers
How to define the function push_back to an Arc struct?
I am fairly new to C++ and I don't know how to define the function push_back to my struct:
struct Arco {
int i, j;
Arco () {};
Arco (const Arco& obj): i(obj.i), j(obj.j) {};
Arco(int _i, int _j) : i(_i), j(_j) {}
};
I have a…
rbl
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- 6
-1
votes
1 answer
Error with std::vector push_back
I am trying to use the std::vector push_back method to insert Node objects into a vector that stores template Node objects. The error I am getting I believe is saying that the input I am using for the push_back method is not the correct type? Can…
user2932450
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-1
votes
1 answer
Strange (memory?) issue with std::vector.push_back()
I have a function getfafr(N,n,twoq) that returns a 3-dimensional tensor fafr in the form of std::vector > >. It does not have uniform size (i.e. fafr[i][j].size() can be different for different i,j etc), which is implemented using…
jorgen
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-1
votes
2 answers
Pointer to object in a class: push_back and pointers conflicts
I have several problems with a code which has a similar structure to this one shown. It doesn't work! I think the main problem is the push_back function, that I need for other scopes (I need to build a vector of classes during the operations, and…
The Newbie Toad
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- 15
-1
votes
5 answers
Having trouble adding an element to a string vector
I'm writing a simple journal like function, however I can't seem to fathom out how to generate a new element of the vector by passing the value the user enters. I am new to programming so the answer might well be obvious :/ I get no errors when I…
Iskardes
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- 5
-1
votes
1 answer
C++ code crashed when using vector push_back in RELEASE configuration
I have a problem using c++ vectors when I build the solution in release configuration by Visual Studio 2008. The code works fine in Debug configuration. I have searched online and did not find a solution that solves the issue that I have.
Here is…
afp_2008
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-2
votes
2 answers
push_back() not working for custom data type (template class)
Apparently push_back() is not working for my custom data class T. On compilation I get the following error:
error: no matching function for call to ‘Vector::push_back(int&)’
Could someone explain to me why that is? Thank you.
#include…
Ryan Smith
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- 1
-2
votes
2 answers
push_back of an integer doesn't work on my vector of strings
I am trying to push back 3 vectors in parallel, and when I get to push_back() into the string vector, I get this error:
no instance of overloaded function "std::vector<_Ty, _Alloc>::push_back [with _Ty=std::string,…
Dami Karv
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-2
votes
1 answer
Why I can't use append() to add a variable to a string?
I have a piece of code:
char temp = word[0];
word.erase(0, 1);
word.append(temp); //word.push_back(temp); is fine
I got an error:
error: no matching member function for call to 'append'
My question is why I can't use append() here? Thanks in…
yuwanzi
- 3
- 2
-2
votes
1 answer
C++ - Vector will only push_back the last digit of number
When I try to use the 'a' option and choose 12, the vector will only add 2:
num_vec's elements: 2 9 2 3 4 6 3 9 4 3 2 3 4 2 3
=====Menu=====
P - Print Numbers
A - Add a number
M - Display the mean of numbers
S - Display the smallest number
L -…
Brandon McMullen
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-2
votes
1 answer
push_back getting a vector of last element by self created object
I'm trying to read in a list of Animals, this works fine. Then I want to split each string into two substrings for the name and cmc, this also works fine. But my cout doesn't work.
For example, my animal.txt is:
Dog|hi
cat|miau
cow|hihi
My…
du7ri
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- 2
- 12
-2
votes
1 answer
Vector won't pushback getline()
So here is the function I'm having push_back problems with:
void School::PushBackS(ifstream &in) {
string a, b, c, d;
while(getline(in, a)) {
getline(in, b);
getline(in, c);
getline(in, d);
t.SetStudentID(a);
…
tydcghk
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- 3
-2
votes
2 answers
c++ list, push_back, & templates?
I am having a very difficult time using push_back on a template object. Can anyone explain why this works
list mylist;
int myInt;
mylist.push_back(myInt);
but this won't.
list> mylist;
int myInt;
…
T3nt4c135
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