C++ :: Library Not Found In QT Creator
Jan 23, 2015
I am trying to link OpenCV to my qt project, but for some reason it doesn't seem to able to find my files. my .pro file looks like this
QT += core gui
greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
TARGET = opens
TEMPLATE = app
INCLUDEPATH += /usr/local/include
HEADERS += mainwindow.h
LIBS += -lm -lopencv_core -lopencv_highgui -lopencv_video -lopencv_imgproc
SOURCES += main.cpp
mainwindow.cpp
FORMS += mainwindow.ui
I get the error message saying library not found for -lopencv_core and it is the same for the other ones.
I've been following this guide : [URL]
What is going on?
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Dec 20, 2012
I am debugging a library. I can step into the code however the watch window doesn't show the values of any variables. It will display a message in the value field:
Code:
m_pParentCXX0017: Error: symbol "m_pParent" not found
Interestingly it does show values for local variables in that function but not member functions. Most of my data members are member function though that I want to debug. I am using VS2010.
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Dec 16, 2013
this programm should in theory create a labyrinth but it doesnt and i really dont have the skill to pick up where i have been mistaken so gcc runs it but it crashes and it doesnt produce any remarkable results even when it runs....
for example this should you run it with these parameters .
5
5
appear something like this
10111
10101
10101
10001
11111
or like this
10111
10001
11101
10001
11111
but it only crashes....it works with recursion and it makes a array (which is Ptr) a set of 1 and 0 which 0 is the path and 1 is the walls...
Code:
#include <stdio.h>#include <stdlib.h>
#include <time.h>
int **Ptr;
int M, N, P, charge, i,c,j;
void Lab_creator(int vertical, int horizontal,int direction);
[Code] .....
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Mar 19, 2014
I am using Qt Creator with VS2012 compiler.
I declared a QByteArray variable : T
I initialized it. Everything OK. I added the line :
Code:
T += "
";
What follows gives me an exception and I think that the issue comes from this added line. As I take a look at T in the debugger, I don't see any but a point .
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Nov 24, 2014
I am trying to create an expression creator that prints the work out too, not just the answer.
Code:
#include <iostream>
#include <windows.h>
using namespace std;
void p1();
void p2();
void p3();
double P,P2,p,ans,ans2,ans1,restart;
[Code] .....
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Aug 10, 2014
This is a playing card deck creator and shuffler i made yesterday. It is very simple now, but i believe that it could easily be implemented into a card game program of some sort.
#include <iostream>
#include <cstdlib>
#include <cstring>
#include <ctime>
#define STANDARD_DECK 52
[Code] .....
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Apr 12, 2014
I am using PDF Creator printer to print my files. I have set it as default printer. It displays two dialogs .. "Printer Setup Dialog" and "Dialog asking filename and other details to save to file".
I want to avoid these two dialogs. But EndDoc calls the other dialog by default. How to do this ?
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Jan 17, 2014
I've been reading about libraries; How to make them, how to use them, the different types of libraries, etc..
When using a shared library, does the program require that library to be installed on the computer after the program has been compiled into an .exe?
Ie.. if somebody downloaded a "Helloworld.exe" that I had compiled on my computer using a shared library (that wasn't part of a standard operating system), would they also need that shared library on their computer for the program to run without errors?
and for Static Libraries, when I compile a program using a static library, does it include in the final binary only the functions of the library that are actually used, or does the compiler add in the entire library?
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Nov 2, 2013
I have a piece of code in C with header files included. I run it on Mac OS X Maverick with XCode 4.6.2 installed. GCC is also installed. Note that Command Line Tools in XCode are already installed.
When I compile it, the error I receive says something like this:
add.c:1:19: error: stdio.h: No such file or directory add.c:2:20: error: stdlib.h: No such file or directory add.c:3:20: error: unistd.h: No such file or directory
However when I run it on Ubuntu, it compiles without a problem.What to do?
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Sep 10, 2013
I am working on a couple C++ projectsfor my class. On one of my projects I get this error "identifier not found" for maximumValue. here is the code that I have done. I have got almost all the code from my text book..
// Three numbers.cpp : Defines the entry point for the console application.//
#include "stdafx.h"
#include <iostream>
using namespace std;
int main() {
// demonstrate maximum int value
int int1, int2, int3;
[Code] .....
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Dec 7, 2014
I have counted my braces and it look to be correct but I am seeing double.. I am getting the "end of file found before the left brace.. do I have one in an incorrect place?
#include <iostream>
#include <string>
#include <fstream>
#include<cmath>
using namespace std;
int totalCaloriesBurned (double);
[Code] .....
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Feb 21, 2015
tell me which .dll or library I'm supposed to use to link this program:
#include <iostream>
using namespace std;
void antpost (int num, int& anterior, int& posterior) {
anterior = num-1;
posterior = num+1;
[Code] ....
I think my linker needs an additional #include to be able to deal with int& anterior and int& posterior. I'm not sure as I'm new to C++. My version of Dev-C++ is Orwell V5.8.3.
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May 8, 2013
I'm having some trouble printing the duplicates found in an array. Specifically, when the value is at more than 2 positions. So if the value 3 is at position 1, 10, and 11 it'll print three messages instead of two:
value 3 at position 1 is also at position 10
value 3 at position 1 is also at position 11
value 3 at position 10 is also at position 11
instead of
value 3 at position 1 is also at position 10
value 3 at position 1 is also at position 11
This is real simple problem, but I can't seem to figure it out. I've been trying to implement another array to 'remember' the encountered position, but I haven't had any luck.
Code:
for(i = 0; i < num_count; i++){for (j = i + 1; j < num_count; j++) {if (num[i] == num[j]){printf("
value %d at position %d is also at position %d", num[i], i, j);}}}
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Nov 20, 2013
For some reason my code is not couting right. My function is supposed to decipher some code that if it has multiple same chars then it drops one. Example aabbyfkk --------> abyfk. But it couts abyffkk . For some reason it is not getting rid of the extra f and k chars.
string decrypt (string encrypted) {
string deleted, tmp;
int i, pos, n, j=0, z;
tmp=encrypted;
[Code] ....
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Oct 12, 2013
I created a very basic program which contains a vector (my vector) that holds 0, 1 and 1. This program compares each element in the vector. If the element after the one currently being compared is equal to it, it outputs "repeat found!" Now this all works perfectly, but my next step was to erase the repeated one. Everything was working up until the delete step. I get a weird error that says "vector iterator not dereferencable" .
// vector::begin/end
#include <iostream>
#include <vector>
using namespace std;
int main () {
vector<int> myvector;
[Code] ....
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Jul 3, 2014
How to return a message saying that the value searched for is not found. We had to pull the data in from a .dat, i won't let me attach it as a .dat so I attached it as .txt. I know my it's sloppy. I usually clean up what I can once it is working properly.
#include <iostream>
#include <iomanip>
#include <fstream>
#include <string>
using namespace std;
int ccnt;
int size = 10;
[Code] ....
Attached File(s) : dat45.txt (273bytes)
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Oct 1, 2014
This is just the portion of my program. This program displays Not Found even if the id number is found.
void search(void) {
char ID[10];
int i, found;
cout<<"Enter ID to search: ";
gets(ID);
found=0;
for(i=0;i<top;i++)
[Code] .....
Here's the incorrect output
Enter ID to search: 111
Not found
Name: jude
ID: 111
Semester: 1
Major: IT
I just want to remove the "Not found".
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Jan 22, 2014
I'm having issues with writing to a file. more precisely, i'm trying to determine if a set of numbers are in the file. if they are already in it, don't write to the file. if not, write to the file. My problem is my program is writing all numbers, even duplicates. The sort is working.
#include <iostream>
#include <fstream>
#include <algorithm>
using namespace std;
//Counter Stats
int STR;
[code].....
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Feb 8, 2013
There is no content when i search word in the dictionary.txt....this is my example of dictionary.txt...in the add case it is working,,only in search case...
--------------
dictionary.txt content.
--------------
mwet-asd.
test-test.
apple-prutas.
beryy-berry.
house-house.
--------------
#include <iostream>
#include <fstream>
#include <string>
#include <conio.h>
using namespace std;
int counter=0;
char op;
[Code] .....
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Oct 19, 2013
I defined a class :
Code:
class A {
public:
enum : char { VA, VB, VC };
};
And another one :
Code:
class B {
A location;
};
In the file B.cpp, when I write :
location = A::VA;
I get an error C2679 binary '=' no operator found ... Why ?
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Nov 13, 2014
Im getting this error:
"fatal error LNK1169: one or more multiply defined symbols found"
Here's my code:
#include "stdafx.h"
#include <iostream>
using namespace std;
int main () {
cout << "Avoiding Technology" << endl;
bool status = true;
int location;
int a,b;
[Code] ....
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Jan 28, 2011
i m working in C"et and get this error message Dispose(boo) no suitable methode found to override
That is my code
protected override void Dispose(bool disposing) {
if (disposing && ( components != null)) {
components.Dispose();
}
base.Dispose(disposing);
}
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Apr 30, 2014
Full error: error C1075: end of file found before the left brace '{' at 'ConsoleApplication1.cpp(9) was matched
Here is my code
#include "stdafx.h"
#include <iostream>
using namespace std;
[Code]....
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Dec 3, 2014
I get Error this error. Did I miss something or is that some kind of bug?
Code:
error C2679: binary '<<' : no operator found which takes a right-hand operand of type 'const std::string' (or there is no acceptable conversion)301
Code:
2IntelliSense: no operator "<<" matches these operands
operand types are: std::ostream << const std::string307
Code:
#include <iostream>
#include <fstream>
using namespace std;
const string Alphabet1 = "abcdefgijklmnopqrstuvwxyz";
[Code] .....
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May 17, 2014
while (getline(inStream, line))
{
while (inStream >> Student.getId() >> Student.FNAME >> Student.MINIT >> Student.LNAME >> Student.GENDER >> Student.UNITS >> Student.getGpa())
{
while (Student.getId() != id)
{
outStream << line << endl;
}
}
}
This is what I have right now. It shouldn't be a problem, but for some reason I am getting an error trying to >> Student.getGpa()
Error1error C2679: binary '>>' : no operator found which takes a right-hand operand of type 'double' (or there is no acceptable conversion)c:location1301Project 5
I will post more code if needed, but... I just don't know. I have a TON of code so I would rather not if I don't have to.
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Apr 23, 2015
Currently i have a system that will store user input into a txt file, and have a function that will compute the daily sales of the month(Check by system date month) and display the sales of the day and the grand total of that month.
Take for example, the system date now check that the current month is Apr. Below are my current output:
20Apr2015 $11.5
20Apr2015 $15.5
22Apr2015 $4.5
25Apr2015 $4.5
28Apr2015 $4.5
20Apr2015 $4.5
Grand Total $45
But my desired result should be as below
20Apr2015 $31.5
22Apr2015 $4.5
25Apr2015 $4.5
28Apr2015 $4.5
Grand Total $45
Textfile data:
1|Bag|2|3|6|20Apr2015
2|Fruit|2.3|5|11.5|20Apr2015
3|Fruit|2.3|5|15.5|20Apr2015
4|Water|0.9|5|4.5|22Apr2015
5|Water|0.9|5|4.5|25Apr2015
6|Water|0.9|5|4.5|20Jul2015
7|Water|0.9|5|4.5|20Jul2015
8|Water|0.9|5|4.5|28Apr2015
9|Water|0.9|5|4.5|20Apr2015
Below are my code.
struct TransactionPile {
// to record item information.
string itemid;
string itemdesc;
float unitprice;
int quantity;
float totalprice;
string date;
[Code] ....
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