49,766 Topics
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| | Hi! I'm currently taking a computer programming course at Wagner college and I have a project due this week that I am completely stumped on. these are the guidelines: [I]This will be a something like a “compatibility program”. 1) You will ask the user their name, and store it. 2) …  |
| | Recently, I stumbled across WinBGIm and decided to resurrect a small game I had made in turbo C++ a long time ago. Anyways, I succesfully got WinBGIm, did the necessary steps. After removing all the errors and building the project in Visual Studio 2008 Professional, I get this error (with … |
| | I have got an example for cplusplus.com for converting a string into a char array so i can split in into tokens and adds to a vector and it works fine in the main method but if i try and create a separate function and pass a string as a … |
| | I'm drawing a sphere and some ground. I used GL_POLYGON to draw a rectangle and colored it green. When I added a sphere, my ground just turned black. Is this because the sphere is a 3d object and the polygon is 2d or is there something else? Here is the … |
| | please if any one can help me ....i need a radix sort code for names..... all the names are data members in (node class) i just cant write the code so if any one can help me ..... |
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| | [CODE] D:/Documents/NetBeansProjects/cap/main.cpp:33: undefined reference to `_imp__pthread_create' D:/Documents/NetBeansProjects/cap/main.cpp:34: undefined reference to `_imp__pthread_create' D:/Documents/NetBeansProjects/cap/main.cpp:35: undefined reference to `_imp__pthread_join' D:/Documents/NetBeansProjects/cap/main.cpp:36: undefined reference to `_imp__pthread_join' build/Debug/MinGW-Windows/main.o: In function `Z8cancelerPv': D:/Documents/NetBeansProjects/cap/main.cpp:47: undefined reference to `_imp__pthread_kill' D:/Documents/NetBeansProjects/cap/main.cpp:48: undefined reference to `_imp__pthread_exit' D:/Documents/NetBeansProjects/cap/main.cpp:51: undefined reference to `_imp__pthread_exit' [/CODE] this is the error i got when i compile … |
| | Can I have a FOR Loop of in the following manner:[for(int i=0;(s[i]!='\0')|| s[i]!=' ';i++)][/CODE=C++] where 's' is a character array |
| | Hey guys, I'm trying to write something to a .txt file from within my program using ofstream. I have this function names show_results() which is a bunch of cout statements that are connected to a class and a bunch of member functions. But the function show_results is all cout statements. … |
 | I dont know whats wrong with my code.. when i entered the value,there was nothing appeared on my screen.. I've tried put the single quote like this one : case '1' : cout<<Very Acidic; break; ..but it was only works for the acidic value..When i entered the value more than … |
| | I am trying to read a decimal as a char and store it in an array by ignoring "." like if I have 0000.9876 will be stored as 9876. The program works fine...but it doesn't stop when i debug it.....I need help please ........... #include<iostream> #include <ctype.h> using namespace std; … |
| | Sort a book list in a library based on the discipline USING C ++ programming? |
| | I trying to write a program that uses a getline to read from a txt file. I need it to read from the file until it reaches a line that has "$$$" in it. I can get it to read in the file like this no problem. [CODE] //assuming all … |
| | Hello to all, can anyone please explain to me the following: I know how to use the copy constructor, I know that it's used only in the initialization, when i wanna initialize a new object using an old object... But what I don't understand is how will I know when … |
| | i not sure what is the single quote means... the example like this : if (value=='a') Thank you 4 helping :) |
| | for the XsineX function I have to calculate xsinx for each value in x then store in result. I need to call on the sin function to do calculations. I tried but I know its completely wrong, any help please?? [icode] #include <iostream> #include <cmath> using namespace std; // uses …  |
| | Could someone please help me figure out what is wrong with my program? # include <iostream> # include <string> using namespace std; void water_state(); float celsius_to_fahrenheit(float c); float celsius; float fahrenheit; int main() { float celsius; float fahrenheit; cout << " Enter Temperature in degrees celsius: "; cin >> celsius; … |
| | Hi.. Is that possible to us to set the range using the switch statement? For example i want to do this : if ph==7 is neutral if ph<7 is acidic if ph>7 is alkali could i just write like "case ph<7 :" i know i could do the case one … |
| | Hello I am not sure if my function below will completely delete a linked list. I am worried it will delete every element of the list except for the head(first node)? For example; If I have this linked list below [QUOTE] L -> 1 -> 2 -> 3 -> 4 … |
| | Sorry for a duplicate post. The other post had gotten messy and since I was not allowed to delete it, I am starting a new post. Hi, here are the errors I am getting when i compile on cygwin. It is weird that the code compiles and runs perfectly on … |
| | ran into a problem i know this is asking for me to calculate the product of a coulmn and row but im not sure where to begin. I know that rowData tells us the value in a row and nRows specifies the number of rowData and the same with nCols … |
| | I want to test the code i wrote which is part of my assignment double sine(double x, double tolerance, int & limit) { int a = 1; double b = x; double z(0.0); do { b=(-z*x*x)/((2*a)*(2*a+1)); z=b; z+=1;} while(fabs(b-z)>tolerance); limit= a; return b; } im supposed to use a main() … |
| | Hi, I'm having a little problem in my loop with the string array. I want to take a record for some student, but when I loop the function, the getline() did'nt work. It only work at the first loop, then it will skip it. My code is like this [CODE]#include … |
| | I'm newish to c++ and even newer to ubuntu I tried linking and this is what I got: g++ -o calculator *.o -lcrypt -lm main.o: In function `main': main.cpp: (.text+0x1ea): undefined reference to `SAMSErrorHandling::Initialize()' main.cpp: (.text+0x2fa): undefined reference to `SAMSErrorHandling::HandleNotANumberError()' main.cpp: (.text+0x322): undefined reference to `SAMSPrompt::UserWantsToContinueYOrN(char const*)' collect2: ld returned … |
| | I have gotten started on my while loop but I'm kinda stuck I dont know where to go from here :( My assignment is to write a program to read in 6 numbers from the keyboard and then indicate whether any of them were larger than 500 or smaller than … |
| | I know this is probably a really easy question, but my teacher failed to mention how to do it, so here goes. I'm making a simple program that tells a user if a sequence of given numbers are even or odd. Here's what the program should look like: [CODE]Enter a … |
| | Hey.. I wanna make a calculator .. which takes input as a string... example: Input : "1 + 2" Output: 3 "1+2" is passed as a parameter which is in the format of a string. The return value is 3 which an integer format. calculator needs only to perform +,*,-,/ … |
| | Hi, here are the errors I am getting when i compile on cygwin. It is weird that the code compiles and runs perfectly on Visual Studio. $ g++ -o mainUnix.out mainUnix.cpp [code]mainUnix.cpp: In function `int main()': mainUnix.cpp:47: error: expected primary-expression before numeric constant mainUnix.cpp:47: error: expected `;' before numeric constant … |
 | hey, had a question that I couldn't figure out. I'm writing a program for linux and I need to save things to a person's Desktop. Because of that, I need to know their username. I am aware of the linux commands whoami, id, etc, but they only print the current … |
| | I'm reading this one book on c++ and am having difficulty making an executable. I'm a n00b at c++ and Ubuntu so I don't know what I'm doing wrong. I've compiled all my cpp files into object files and now I need to link it but when I try that … |
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