Questions tagged as 'c++'

Tagged questions
1
answer

Form String with single quote. Error ORA-01756

I am running a ORACLE statement from C++ and I receive this error:    ORA-01756: quoted string not properly terminated (OCI_ERROR) I form the string sentence as follows: sprintf(sentence, "INSERT INTO \"TABLA\".\"...
asked by 11.11.2016 / 09:37
2
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Call dynamic functions from static function?

I'm having a very silly problem, and I do not know what else to give it, I've tried creating instances but something will be wrong. I have a static function that collects the value of an external window, and depends on the value of that funct...
asked by 30.08.2018 / 12:16
5
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How is an empty string valid?

I am trying to make a cycle that reads a string while it is not empty if it fulfills that it does not contain any character because it goes out of the cycle; but I have not been able to get a loop and it never comes out, here's my code: #inclu...
asked by 21.06.2018 / 23:43
4
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Make a program that goes from Int to String

Make a program that goes from int = 123 to string = "123" I did a program that does it with stringstream , but now they ask me to do it without that, with pure cycles, I tried to do it like this: Cout<<"datos: "; C...
asked by 18.04.2017 / 06:55
3
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c ++ Problem when dividing 2/3

I need to multiply an X value by 2/3 (Two Thirds), for which I am using the following: #include<iostream> using namespace std; int main() { double var; var=2/3; cout<<var<<endl; return 0; } and to my sur...
asked by 26.10.2017 / 03:32
3
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Print edges of a c ++ matrix

Community, I ask for your help with a small problem. I'm just learning C ++ and I've been working with arrays and arrays, I understand the logic of how to print a matrix and how it goes through its contents, but there are things that I can not s...
asked by 05.04.2017 / 20:16
2
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Segmentation Fault - Recursion

I created the following function: void imprimir(void){ cout << "Y\n"; imprimir(); } Trying to learn more about the usefulness of using a recursive function (a function that calls itself). By including it in my code, this ha...
asked by 27.03.2017 / 22:37
3
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Pointer vs. Reference

Original author of the question link    Jack Reza link What would be better practice when passing the original variable to the function to work with it by: unsigned long x = 4; void func1(unsigned long& val) { val = 5...
asked by 05.12.2015 / 08:20
2
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Print Multiple Data in C ++

Good morning, I have the following exercise in which I wish that at the end of the program I would throw a list with the names and ID of those who are foreigners. How can I do it? #include <iostream> #include <iomanip> #include <...
asked by 10.04.2017 / 15:31
3
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Error with fixes

Hello everyone, is that I try to solve a problem with minor and major fixes and make their difference but ... the program defines well the major element but not the minor so is the arrangement 2 5 3 7 12 9 8 5 4 10 Define the biggest on...
asked by 29.09.2018 / 20:04