49,761 Topics
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| | **IDE: **MS Visual Studio 2008 Professional **Compiler:** Unknown First off let me thank any of you who take the time to read this and reply back. I'm having a ridiculous amount of trouble returning a pointer from a function and then using that returned pointer to change the pointer-pointer in … |
 | I have the following code to draw a scene to opengl, but nothing shows up, just a blank screen! void glCameraDraw(const LABglCameraHANDLE h, LABglWindowHANDLE LABglGlobals) { if (!h->isProjected)//check to see if h's projection is loaded { glMatrixMode(GL_PROJECTION); glLoadIdentity(); //LABglGlobals->LABglDimensions are the screen dimensions gluPerspective(h->fov,(float)LABglGlobals->LABglDimensions.right/ (float)LABglGlobals->LABglDimensions.bottom, h->front,h->back); h->isProjected=true; } //set the … |
| | I need to calculate chi squared cdf from x->infinity with n=255 degrees of freedom. I cannot seem to get it to work. You can find formulae for chi squared distributions using google. Here is my non-functional approximation code: double riemannsum(double(*fnc)(double),double dx, double xmin, double xmax) { double ret=0; double x=xmin; … |
| | can you explain how to chack all the char inside the array without check only the first and it says equal for(j=0;j<len;j++) { if (letter==copywords[j]) { //words[j]=copywords[j]; words[j]=letter; cout << "good guess: " << words[j] << endl; //correct } else if(words[j]==copywords[j])) /problem { cout << "done!!!" << endl; system ("pause"); …  |
| | Anybody of you got any idea what this "internal compiler error: Segmentation fault" means? I searched internet, but didn't get anything useful. Then I did my analysis. I found out something peculiar. The code that I am trying to compile is a file for unit testing one of our classes. … |
| | hello please help me it's important i want code c++ convert from array to another " example: **user enter : acb** array1[0]=a array2[0]=1 and array1[1]=b array2[1]=2 array1[2]=c array2[2]=3 **out put for user : 132 ** thanksthankthanthatht |
| | Need help, trying to perform arithmetic operations using words, so far i've got to the stage where if the user enters a number in words with the operation type eg(one + six), the result is printed out as an int. But i am unable to convert this int back to … |
| | I need help with a program i am writing. It takes in a line from the user and then decides wat to do. there are to many options to spesify. some of the options are: set TARGET 453.212.556.22 This command will differ becuase the host will never be the same. … |
| | Design a CPU Timer class (you may name it CPUTimer). This class should allow the user to start timer, stop timer, compute delta time and print the lapsed CPU time of any block of code in a program. #pragma once #include <iostream> #include <cmath> #include <ctime> #ifndef CPUTimer_h #define CPUTimer_h …  |
| | why is it "ur project is out of date" when i try to run cpp file opencv on vbs 2008  |
| | Hi everyone, I have been having problems with this code. I can't figure out how to get it to sort items alphabetically. Another problems is that the code never reads items from disk, but I can't figure out where the problem is. I hope you guys can help me. #include … |
 | This app I finally got the splashscreen to the way i want it, but when I run the .exe from the explorer the splashscreen loses its transparency and has a white background replacing the glow; In when the compiler runs it directly after it builds it look exactly how it … |
| | I have a class that just creates a blank bitmap it's quite large so I removed a LOT! of code to make it easier to see my problem. No knowledge of bitmaps required. I declared "Pixels" as an array of RGB but in one function, Pixels is empty whereas in … |
| | I am (trying) creating a program with C++ to RESTORE A SHUFFLED IMAGE. The program will be used to restore the original image from the standard original pic that has been shuffled, and will also be tested with the shuffled picture that has graphically edited with a NOISE effect this … |
| | Hi everyone, I'm just trying to get this address book to sort the names alphabetic lly but I could not figure it out. I know I will add an extra case with a unique letter but where do I define the function? One more thing, my code is having some … |
| | int isaMUstring(char* sequence, int size) //function isaMUstring(char* sequence, int size) { int i,j; for(i=0; i<size; i++) { if(sequence[i]=='M'||sequence[i]=='U'||sequence[i]=='I') j=1; else j=0; } return j; } int canApplyRule1(char* sequence, int size) //function canApplyRule1(char* sequence, int size) { if(sequence[size-1]=='I') return 1; else return 0; } int canApplyRule2(char* sequence, int size) //function canApplyRule2(char* …  |
 | So am doing a run down of different 3DMath Libraries. I am noticing functions with return types are HORRIBLY inefficient compared to void returns. I decided to do a rundown of how move constructor/assignment effects this. Well having a move constructor is seeing an average of 3.5-4x improvement, but doing … |
| | I had this talk with a friend a while back and now i remmember that he said that C# is like a newer version of C++, but i think thats not correct, since C, C++, C# is kinda all oriented in this or that, what do you guys think of … |
| | I am writing a game. The game will be controlled by the cmd, it is like a hacking game. You type: run exploit545.exploit www.tktktk.switchnet and it will exploit that exploit at the targeted computer (url). My problem is i cant seem to find a way to make the program read … |
| | okay so here's my code but i knwo there's just something so wrong with the second/youngest one. the first/oldest part works though. int oldest = 0; // Determine and print oldest employee(s): for (int i=0; i<recordlist.size(); i++) { if (recordlist[i].age > oldest){ oldest = recordlist[i].age; } } cout << "Oldest …  |
| | Hello! I just want to ask you guys if anyone can help me reedit my program from BFS to DFS. I know how BFS works but i can't figure it out how to write the sintax. So i would please ask you guys if you could help me out. Heres … |
 | So I have a programming lab that we did in class for a few months but I am having major difficulity on it. These are the directions: > Specifications for Calculate grades using loops 1. Create pseudo code for your program first, to be handed in. 2. Make the program … |
| | Hello I am learning templates and at the moment I have created a templated QuickSort function. It's rather short and self explanatory. However during the call to the QuickSort Driver function I get a No matching call error. I have detailed the error message in full at the bottom of … |
| | So in my class we are learning about strings. In this program, the goal is to reformat the text in a data file. sample data file: Here's a "TEST" file. (DateD 5 April, 2012) Will this #*PrOGRAM+=@ that includes !user-defined?!?> FUNCTIONS really work? Only time will tell............. My program needs …  |
| | # Can someone help me with this program by fixing it I should finish it before tomarrow and I don't know where I went wrong# #include<stdio.h> //header file #include<conio.h> //header file #include<stdlib.h> //header file #include<time.h> //header file #include<math.h> //header file #define PI 3.14159 //header file indicating that pie is equal …  |
| | I'm trying to create a class which finds the sum of multiples for a given base I have the code written with out a class im just having trouble converting it into a class my total function isnt retrieving the data from the object maybe? /* If we list all …  |
| | bool aCondition = true; for(int i=0; i<numOfThreads; i++){ pthread_create(&firstThreads[i], NULL, &myThreads1, (void*) NULL); if(aCondition == true)//for here, if some condition is true i want at least one thread from firstThreads to complete before any secondThreads runs pthread_join(firstThreads[0], NULL); pthread_create(&secondThreads[i], NULL, &myThreads2, (void*) NULL); } for(...) //join the rest of the … |
| | int main(){ fstream in; in.open ("myFile.dat", fstream::in | fstream::out | fstream::app); char* temp = new char [40]; string aString; in.write("123\n",4); getline(in, aString); //in.read(temp, 4); cout<<aString<<endl; } i want to either display the text already in myFile.dat or 123 if it was a empty file i tested with a emtpy file, … |
| | So in my scripting project I mentioned yesterday I was thinking about how to implement arrays. That got me to thinking how does c++ get arrays and inherited classes to interoperate and found out some wierd things class Y { public: int A; Y() { A = 0; } }; … |
| | # I HAVE DONE ABOUT EVERY THING AND I CANNOT SEEM TO SEE WHERE I WENT WRONG CAN SOMEONE PLEASE TELL ME WHAT I DID WRONG I NEED TO DONE THIS BY TOMARROW ASAP!!!!!!# #include<stdio.h> //header file #include<conio.h> //header file #include<stdlib.h> //header file #include<time.h> //header file #include<math.h> //header file #define … |
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