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
0
votes
0 answers
std::vector crash with push_back. in VS2008
I've a structure DutPlayerArrayElement defined in following lines:
namespace Common
{
namespace Constants {
const int MaxNumberOfIPAddresses = 10;
const int NumberOFRFOutputs = 100;
const int NumberOfPlayers = 100;
const int…
Jepessen
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0
votes
2 answers
Why does my multidimensional vector only push_back 0 index?
I having a problem using push_back(), I can't figure out why only the first cols vector is just pushed over and over again.
Input
10 9 10 3 100 8 7 10 73 9 10 5 9 87 -1 8 3 7 10 92 6 10 6 83 9 11 8 8 77 -1 10 10 10 10 100 10 10 10 100 10 10 10 10…
nipponese
- 2,813
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0
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1 answer
Can't deque.push_back() 10 million+ deques
I'm a student, and my Operating Systems class project has a little snag, which is admittedly a bit superfluous to the assignment specifications itself:
While I can push 1 million deques into my deque of deques, I cannot push ~10 million or…
ArnieJ
- 17
- 6
0
votes
2 answers
Is there a way to push_back multiple variables into a vector in a for loop?
such as pushing back using a holding variable
book (title, author, ISBN)
vector books;
Book book1("a", "Jim John", 1000);
Book book2("b", "Jim John", 1001);
Book book3("c", "Billy Bill", 1002);
Book book4("d", "Greg Lumburge", 1003);
Book…
user3549747
- 35
- 1
- 1
- 6
0
votes
1 answer
Can't use vector defined in class header in C++
I have a route class. In header, i defined
private:
QVector cameraPoints;
In class source,
void Route::SetCameraPositions(QVector *cam)
{
QVector bla;
QPoint t;
int x,y;
for(int i=0; isize(); i++) {
…
Ulfsark
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0
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0 answers
String Vector showing duplicates C++
Not working Code:
#include "stdafx.h"
#include
#include "sqlite3.h"
#include
#include
#include
#include
using namespace std;
std::vector emailsfound;
static int callback(void *data, int…
Hawaiian Pizza
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- 10
0
votes
1 answer
Error when trying to push back a tuple into a const vector
I have the following vector:
const vector> &v;
I want to add tuples to this vector, so I did the following:
tuple newOne = make_tuple(0,2);
v.push_back(newOne);
The error message I got was:
"No matching member function for…
user3025403
- 1,070
- 3
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- 33
0
votes
3 answers
VB.NET Array of structure: No .push_back available?
I have defined a structure in VB.NET and created an array from it:
Public Struct MyStruct
Dim SomeValue As String
Dim SomeOtherValue As Double
End Struct
Public MyArr() As MyStruct
I am wondering if there is no .push_back function…
tmighty
- 10,734
- 21
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- 218
0
votes
3 answers
C++ Only first vector completes, push_back, cin, for loop
I am sure that I am making some obvious mistake. I googled my question but I could not find a similar question; apologies if it is there somewhere.
Basically, I just want to complete entries for a series of vectors. The programme compiles, and I can…
user3353490
- 3
- 2
0
votes
1 answer
Push_back in 2 dimension vector of objects
I have got a vector of objects vectors named "circuito"(circuit) in a "factory" class named "FactoryCircuit".
vector< vector< Elemento*> >
"Elemento" is a base class of three derived class named…
Keys88
- 1
0
votes
1 answer
Converting a string to a float before push_back in C++
I've got a large collection of CSV lines that I'm breaking up line-by-line, splitting up by the commas, and placing those tokens in a vector.
Here's the little code snippet where I handle the last two items in that sentence:
//token for parser
…
nerdenator
- 1,265
- 2
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- 35
0
votes
3 answers
c++ vector - what's the difference between push_back(*new obj()) and push_back(obj())?
I am currently having an issue related to:
vector myVector;
Q1. Please tell me the difference between the following two lines:
a) myVector.push_back(*new myObj());
b) myVector.push_back(myObj());
NOTE: I realise that line a) is bad practice…
mindTree
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0
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6 answers
Infinite loop reading from stdin using cin::fail()
I'm struggling with a vector push_back function.
The goal is to have a function which pushes n number of elements until you decide to stop.
So my idea of a 'stop', is cin.fail().
The faulty function is
void pushbackVector(vector &data)
{
…
Anton Antonov
- 1,217
- 2
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- 21
0
votes
1 answer
json-spirit - adding content to an object in an arry
Background:
I want to represent a deep hierarchy using JSON.
I.e A Job has nodes, nodes have CPUs, CPUs have device loops and loops have devices.
My data is on a database. I am using the visitor pattern to call back VisitJob, VisitNode, VisitCPU as…
BryanT
- 412
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0
votes
3 answers
C++ vector push_back() overwrites on another vector of the same type?
I defined a class named nth_best_parse this way:
class nth_best_parse {
public:
int traversal;
int nth_best_active;
int nth_best_passive;
double viterbi_prob;
nth_best_parse();
…
Onur Cobanoglu
- 211
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