49,755 Topics
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| | [code] void read (std::istream & _input) { string linijka; vector<string> entry; string laaa, naa; int ii=0; while (getline(_input,linijka,'\n')) { cout<<"current line:"<<linijka<<endl; while(linijka[ii] != ',') {laaa+=linijka[ii]; ii++;} entry.push_back(laaa); ii++; cout<<entry[0]<<endl; laaa.clear(); while(linijka[ii] != '\n') {laaa+=linijka[ii]; ii++;} entry.push_back(laaa); //doing something with entry ii=0; laaa.clear(); linijka.clear(); entry.clear(); } } [/code] my csv file … |
| | Basically what is the system level difference between language C and C++ ?  |
| | Hey all, I've tried many times to write a C++ class around a C library to make a nice clean interface to that library. Now I keep on getting the same problem: Once in the class, I initialize the C library, and then the C library complains that EG: error … |
| | Can anyone explan the main idea of using set and get function , because im confusing between them .:-/  |
| | Hi, I am trying to make and use my own DLL within a C++/CLI project. The DLL project contains an header utc.h file with the following declaration: [code] namespace utc { __declspec(dllexport) void dthr (int dt[3], int hr[3]); }[/code] The source of the dthr.cpp file starts with: [code] namespace utc …  |
| | Hi all :) Currently I have a console for my program, which in short words, executes the function named what you write. The thing is, the functions needs, for several reasons, to be members of a class. Currently I have the code below. Manager is a class that needs to …  |
| | Hi, everyone. I am stuck in such a situation: When failing to open a file, of which the name is in Unicode, I need to show the user something like "Can't open file: \My Document\file-name-in-unicode.txt" by throwing an exception . I often use exceptions this way(is this a good way?). … |
| | Hello all I was looking into some textbook solution (preparing for my exam) and I saw this program: Question Details: write a program that reads in a set of positive integers, representing test scores for a class, and outputs how many times a particular number appears in the list. you …  |
| | hi 2 all, I have an assignment about classes, everything IS OK , except of the draw function of a square.(after running the prog. there is no square drawn ) this wt I did till now:[CODE] class Square{ private: int sidelength; char ch; public: Square();//default constructor void setSidelength(int);//sets default values … |
| | I am making a command line program that finds factors of a number that the user enters. At the moment the user could enter something like this: '768r7fg38gf8320rf' which returns an error. I would like to restrict the user so they can only enter numbers (0 - 9). How would …  |
| | Hi, this is my first time here and I have a problem. I am trying to write a C++ program in Unix that gives me the Gregorian calendar with exceptions to leap year. I have all of my algorithms for calculating days, printing out the months, and such. My problem … |
| | hi guys, I am getting this weird problem when I sort items in a listview control. Initially when my list has few items, it sorts fine. When the size of the list increases beyond a certain number of items, around 1000, then the LPARAM pointers passed to the sort function … |
| | hello guys I want to make a c++ program which is designed to receive some elements of a linked list by the user in a (while switch formula) and then the user can delete a specific value that he can designate . my problem is in delval function which delete … |
| | :-/I'm getting the following error when I debug this small test programm . I can't find anything wrong with it. Even on MSDN they come up with a two line sample code which generates that fault code. In other words, they have no clue either. I hope that some one …  |
| | Hello, I would love to create in C/C++ an array in which each cell is a pointer on a linked list of integers: can someone tell me how can I implement this ? Thank you very much for your help Begueradj |
| | Hello Helper, This is my code. I want to compress the file encrypted and then decrypt the same original file.Can you help ? /* [CODE]#include<iostream.h> #include<conio.h> #include<fstream.h> #include<stdio.h> #define ENCRYPTION_FORMULA (int)Byte+25 #define DECRYPTION_FORMULA (int)Byte-25 int Encrypt(char *FILENAME,char *NEW_FILENAME) { ifstream fin; ofstream fout; char Byte; char NewByte; fin.open(FILENAME,ios::in,ios::binary); fout.open(NEW_FILENAME,ios::out,ios::binary); if(!fin) … |
| | Well for past few months now i have been doing my research on encryption cipher and i have tested on plane text , its not a problem . If i have to test the fastness of the cipher i got to try it on movie and audio files and check … |
| | Hello all, what is the difference between [CODE]*grade++ *(grade++) (*grade)++ ++*grade *++grade *(++grade)[/CODE] please with examples... I didn't understand manipulationg pointers very well help asap  |
| | Hi, I've been revising object orientated programming, and decided to have a look at accessing parts of my code in other files. The problem is, I get error messages such as "Player1" not declared, and I can't figure out how to declare them. For example, in my main.cpp file I … |
| | I have been reading about pointers, which IS confusing. I'm sure there is a purpose, but I don't know why I need them yet. For example [CODE] [COLOR=Red]var1 = 23;[/COLOR] [COLOR=Blue]// assigning 23 to var1[/COLOR] [COLOR=Red]var2 = var1; [/COLOR] [COLOR=Blue]// assigning the value of var1 to var2[/COLOR] [COLOR=Red]var3 = &var1;[/COLOR] … |
| | im just a 1st yr college student.can u help me this problems? Compute the power of a number given the base and exponent. Do three versions of this program using a while loop, a do-while loop and a for-loop  |
| | Say i have this 10,000,000 (10 million) byte file. I want to perform multiplication,addition and few other operation on all those bytes(total of 5). And after it is done say if i want to repeat the addition and other operations on the same file like a loop,then How many such … |
| | Hello, Please help me to resize BMP image to bigger and smaller. Actually I'm trying to build PC wallpaer image with some function. And changing wallpaper has no problem but I want to change any image to screen size. Since desktop screen has some infomation section, bmp image should resized … |
| | I see a runtime error wz message "Unhandled exception at 0x009f5900 in trial4.exe: 0xC0000005: Access violation reading location 0xcdcdcdd5." each time I run the following code. // trial4.cpp : Defines the entry point for the console application. // [CODE]#include <iostream> #include <fstream> #include <string> using namespace std; #define NULL 0 … |
| | Hi guys, I understand the difference is that the params of ctor 2 are declared const with n being passed by reference. However, I don't seem to understand what difference having these params (n and a) declared constant with n being passed by reference makes? I mean, I'd understand the … |
| | hI 2 all, plz I need help in this program I need to draw a right-angle triangle, but empty from inside. this what I did till now: #include <iostream> using namespace std; void main () { int n; int i=1,j; cout<<"Enter the length"; cin>>n; while(i<=n) { j=1; while(j<=i) { cout<<"*"; … |
| | I am attempting to program a doubly linked list template. My program is setup with the class node defined in a header file,the list itself in a header file and finally the main in a separate cpp file which calls the list header. The list header calls the node header. … |
| | Write a program that will correct a C++ program that has errors in which operator, << or >>, it uses with cin and cout. The program replaces each (incorrect) occurrence of cin<< With the corrected version cin>> And each (incorrect) occurrence of cout>> With the corrected version cout<< For an …  |
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 | I want to know how to write a program that moves for example C:\ex.exe to D:\ex.exe.... What header to use? stdio.h? what function to use? Can i get a link of source(this program) ? |
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