49,766 Topics
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| | Can C++ make a function that returns two values ? |
| | I wonder how it is possible to create a "Folder". I know how to create files like this. How could this be possible with ofstream. I am not sure if I find any members to ofstream that could be associated with "Folders" ? [code] ofstream OutFile1; OutFile1.open("C:\\File1.txt"); OutFile1; [/code] |
| | i ended up doing it woithout that function. nov ive got a bigger issue,im trying to make a database of patients and i am working on writing 2 of 8 of the functions in the menu. displaypatients is supposed to display all the info for the patients 1 by 1, … |
| | As I've been reading various threads on this forum, it seems to me that a lot of people are advocates of vector data structures. Coming from C, I don't tend to use them a lot...I was just wondering if anyone could tell me how vectors are implemented (at the machine/memory …  |
| | Hello all, I'm having a bit of trouble with this program I'm working on. I have a base class, we'll call it Base, and two nearly identical Derived classes, only one of which is relevant. I created a pointer (Base *BP), and pointed it to Derived &DO. I need to … |
| | Hi, My assignment is to read in data from a file(first name, last name, and grade) and then output it. i have my code and i beleive the problem lies within the function readData, but i cant figure out what it is. I run the program and i get an … |
| | I am using saveFileDialog1 and are trying to recognice what path that was selected when "Save" the file. I have begun some code below but are not sure what and if I will write something after saveFileDialog1-> ? [code] //Get The Path that was selected when saving the file String^ … |
| | HI .... I am a beginner programmer and we are required at college to create a very simple game as a console application :( We found a graphics library for that... thank God.... But we need a sound and video library... but please consider that it should be: 1. For … |
| | What are some limitations imposed by a fixed array size? can you please tell me A limitation of arrays is that they have fixed lengths. what does it means ?  |
| | int patientstomemory(patientstruct (*patientstructpointer)[maxpatients]) { patientstruct patientstruct1[maxpatients]; patientstruct1= (*patientstructpointer); 1>c:\documents and settings\patrick\my documents\hgkbklhb\hgkbklhb\hgkbklhb.cpp(88) : error C2106: '=' : left operand must be l-value whats wrong? very important, working on semester project due monday |
| | If I am reading a .txt file with ifstream, what is the syntax to recognice if I have reached the end of file. From what I have heard somewhere before, I think it has with eof to do ? [code] ifstream File("C:\\File1\\"); std::string Line; while( getline(File, Line, ',') ) { … |
| | Hi, (using MS VS2005) Recently I've found that in order for a function to be exported, dllexport *must* be placed in the same file of the function body. E.g. see the following case: [U]File a.cpp[/U] [code=C++] void dllexport a(); a(); [/code] [U]File b.cpp[/U] [code=C++] void a() { // function body … |
| | answer the txt question but please don`t use using namespace std; and stuff like that because i think my compiler dosent work with new standards  |
 | Hey guys, i have done C++ before but gave up on it :P. But i've came back to it and i'm wondering what is a good way to simulate a left and right click? i guess you would start with this: [CODE]#include <iostream> #include <windows.h> using namespace std; int main …  |
| | how does the code thing work in order to put up a program? |
| | can u help me with this: write a program that u can write in it and evrey time u press (F1) program will tell u number of capital letters in txt if u press (F2) it tells u number of words(for exampel: 23 erf 3e has 3 words) if u … |
| | Could anybody advise me where I can get free resources in c++ class design, whether it's online books or websites? Thanks a lot. |
| | I NEED HELP WITH A BIRTHDAY PROFILE IN C++ I have to create three classes: Person,birthdate, and date. Create seperate .h and .cpp files to seperate the implementation from the interfaces. 2. Create a list of attributes and operations for all the classes. 3. Implement the methods,attributes, and constructor for … |
| | this is what my program looks like but after prompting and reading my files, i get an infinite loop. the program compiles and i just put that simple cout statement just to see if anything will come out. can anyone see where i am messing up within my main that … |
| | [code] #include <iostream> #include <fstream> #include <cstring> #include <cctype> #include <iomanip> using namespace std; const int MAX = 30; const int MAX_HW = 10; const int MAX_E = 3; [/code] |
| | I'm having a little problem with a conversion error during compile. Here is the code: [code] #include <iostream> using namespace std; class costOfItem { public: costOfItem(float i_cost); void printMe(); private: const float price; }; // Free functions void displayPrice(costOfItem z) { z.printMe(); } void displayRefPrice(costOfItem &z) { z.printMe(); } void … |
| | [code=c++] struct if1 { string idnum;//id number for the student string lastname;//last name of student string firstname;//first name of student int examscore[maxexam];//array of all the exam scores of the student int hwscore[maxhw];//array of all the home work scores of the student }; void alphasort(if1 student[], int n) //the alphasort function … |
| | I am trying to check the size of a file with this code. The file is named "OneFile.txt" and is of the size 230 kb. The MessageBox will show the number 37. If I change the file so it will be 460 kb instead, still the messageBox will show the … |
| | [code] #include <iostream> #include <fstream> #include <string> using namespace std; void writeArray(); void readArray(); const int capacity = 4; //const int spec = 4; double numbers[]={12456.89,234.00,3456.78,21212.50}; //string A12345; //string A45678; //string B21223; //string B21435; string names[]={"A12345","A45678","B21223","B21435"}; int main() { writeArray(); readArray(); } void readArray() { ifstream infile; infile.open ("accounts.txt"); infile … |
| | I have a form (Form2) that I want to write text at the top of (In the blue field where you normally can can tell what the windows/forms name is) I thought it should be like this but I cant find "Form2" after this-> What I can find is Form2_Load … |
| | Hey all, I have recently become interested in trying to automate various MS Office applications using C++... I was writing some macros in Excel to update some databases that I work with, and decided it would be cool if I could sort of wrap the entire process in a C++ … |
| | hey there i have a question for you guys. my program reads a file and then save each line of the file into a multimap<string,int> containing the string and the number line. i have the convert strings in alphabetical order, like take into aetk, and thats where the problem begins … |
| | How can i add a short cut to my application in the Menu which we get on Right Clicking a file ? & How to pass the File name has an Argument to my application.. Platform:Windows |
| | I have a dataGridView1. In a datagrid you can manually write columnheader names. (Each Column can have a name) What I wonder is how it is possible to programatically write a name for example column Numer 1 ? I have looked at the memeber of the class but cant really … |
| | the problem lies when the move checks to make sure it is valid, every move will display valid or not valid, and the code always displays not valid everytime [code=cplusplus] #include <iostream> #include <fstream> using namespace std; int initialmenu(); void initialboard(char board[][8]); int moveoptions();//function prototypes void appropriatemove(char board[][8], int move, … |
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