General C++ Programming - C++ Forum - November 2016 (Page 19)

is this allocated in the heap or stack?

Given this example: struct Example{ int number; string word; }; struct Node{ Example ex; Node* next; }; int main(){ Example someObject; ...

[2 replies] Last: Sorry, but by "yes" you mean my analysis is correct or that it will in... (by anarelle)

by marwaissam

pow function

hello. i have this program void p2 (int & n, int & x) { x=0; pow(x,2)=0; while(pow(x,2)<n) { pow(x,2)=pow(x,2)+2*x+1; x=x+1; ...

[2 replies] Last: What's the error? (by kbw)

by Kevin10official

Vowel C++ program

I need some help on how to work the GO again and prototypes functions write a c++ program that asks the user for a single character value, but over and over, f...

[6 replies] Last: thank you. I got it to work (by Kevin10official)

by adeclue

Rock Paper Scissors Lizard Spock program help

Need to write a rock, paper, scizzors program with following retraints: Make sure to have one function displaying the menu (scissors, paper, or rock), reading ...

[4 replies] Last: That worked perfectly, thank you very much. I had tried a do while loo... (by adeclue)

by MichaelBhattacharya

Pointers

Please help me with line 45: #include <iostream> #include <cstring> using namespace std; int SpacesRemoval(char* Str); int main() { char Str ; ...

[5 replies] Last: #include <iostream> #include <cstring> using namespace std; void re... (by SakurasouBusters)

by JM0911

Program compiles, but crashes

Hello, I wrote a program to calculate the average of some scores and sort them in ascending orders. It compiles, but the crashes after I enter the number of sc...

[11 replies] Last: The intended way to run text-console programs is from the text-consol... (by mbozzi)

by zoran404

How to serialize a float?

Of course you can just cast it to char array and write(or send) it like that, but that would only work if all machines have the same byte order for floats. F...

[5 replies] Last: You're right. But float in C and C++ is (usually) IEEE754 single-pr... (by mbozzi)

by InertRaindrop

Expression Must have class type

Hey guys, I'm new here but I could use some help. I don't want to post a wall of code so I'll try to be short and specific here. I'm trying to pass an array of ...

[1 reply] : Do you notice any mismatch in these: void initialize( Ship ) void i... (by keskiverto)

by dkaip

c++ sqlite encrypt

Hello. Using sqlite3 i have the c++ code ... if (sqlite3_open("myFile.db",&db) != SQLITE_OK) { wxMessageBox("Could not open database."); ...

[4 replies] Last: SEE i expensive for private use and small programs.. Maybe must use sq... (by dkaip)

by Gyiove

normalizing matrix in row ways (Eigen)

Hello everyone! I have matrix: typedef Eigen::Matrix<F_TYPE, Eigen::Dynamic, Eigen::Dynamic, Eigen::RowMajor> matrix_t; matrix_t m(2, 3); m(0, 0) ...

[3 replies] Last: Good thing about Eigen lib is that you can make those matrix calculat... (by helios)

by zoran404

I really can't explain this behaviour

I've made a simple byte array buffer that serializes and deserializes floating point numbers by casting them to unsigned char* From my tests I can see that I...

[8 replies] Last: Ahhh now I understand. I must have made the mistake when I copied the... (by zoran404)

by lFoxiel

Need help tweaking a code - c programming

Write a program that asks the user how many numbers she would like to compare; Then accepts her inputs. The program should output the largest, the smallest and ...

[1 reply] : "I'm just not sure how to change it so that it allows the user to inpu... (by zoran404)

by lFoxiel

Passing Arrays to Functions

C Language Write the definition of a function reverse, whose first parameter is an array of integers and whose second parameter is the number of elements ...

[1 reply] : All 3 of those functions are identical. And I believe the algorithm is... (by zoran404)

by lFoxiel

Help with counting array elements- C programming

Given an int variable k, an int array incompletes that has been declared and initialized , an int variable nIncompletes that contains the number of element...

[1 reply] : Correct code : numberOfIncompletes=0; for (k=0; k<nIncompletes; k+... (by lFoxiel)

by boost lexical cast

boost::filesystem::remove_all compile error

So I am trying to delete a folder and all subdirectories, files, etc. I'm using boost/filesystem.hpp for this. But when I try to do boost::filesystem::remove_...

[8 replies] Last: I do not know anything about this C4droid tool-chain, let alone how to... (by JLBorges)

by JM0911

Initialize unused elements with 0

Hello, I have written a program that should create two arrays, one double the size, and initialize all unused elements in the new array with 0. That is the par...

[4 replies] Last: Nailed it, thank you!! (by JM0911)

by Favorii

Boolean function returns 1iff reversing arrays n elements is same as the original array

Bool isSymmetric(int a ,int n) ; The function returns true if and only if the array obtained by reversing the first n elements is the same as the original arr...

[8 replies] Last: After 2 fails, the third try isn't worth much buddy, sorry. But good... (by Arslan7041)

by hpacleb

Classes and Object problem

I'm having trouble in our final project mostly dealing with classes and objects #include<iostream> #include<string.h> #include<conio.h> using namespace std; ...

[2 replies] Last: We haven't tackled about vectors yet but it wouldn't hurt to add it to... (by hpacleb)

by BryceConde

Help with array assignment.

Here are the rules for the program... (1) Create a function that displays a two dimensional array. The example uses a 35 X 35 array. If the stored value is 0,...

[5 replies] Last: Instead of (or at least in addition to) storing where the animal is in... (by doug4)

by aaronjmcd2

File stream problem

Hello all, so I'm struggling to understand what's wrong with my code. I'm using visual studio, and I'm trying to put a long file into an array. But for some r...

[2 replies] Last: Well, according to other forums, I tried inserting it in the project d... (by aaronjmcd2)

C++

Forum

General C++ Programming - November 2016 (Page 19)