49,765 Topics
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| | Hello, I am trying to read exact 2 bytes from binary file, and transfer it to int, whatever is it 2 or 4 bytes. Atm on my computer is 4 bytes. So I have two bytes into four bytes scenario. I am using this code [CODE]ifstream in_stream; in_stream.open("test.dat", ios::binary); streamoff …  |
| | [CODE]// student.cpp - Script 9.7 #include <iostream> #include <string> // Declare the Person class. class Person { public: Person(std::string theName); void introduce(); protected: std::string name; }; // Declare the Teacher class. // Teacher inherits Person. class Teacher: virtual public Person { public: Teacher(std::string theName, std::string theClass); void teach(); void introduce(); … |
| | I am having a network class and a dialog class.I have to send the data recieved in network class to dialog class but not direcly i.e it should not be tightly coupled with my dialog. Help me out..............  |
| | [CODE] #include <iostream> #include <fstream> using namespace std; int main() { char ch; ofstream outf("ITEM.txt"); cout << "Enter item: "; char name[30]; cin >> name; outf << name << "\n"; cout << "Enter item cost: "; float cost; cin >> cost; outf << cost; cout << "written to file item.txt\n"; … |
| | When I click on any of my menu bar, the menu wont expand or sometimes it does but missing some. I tried reinstalling and resetting it but it still doesn't work. Please help. Thanks. I attached a print screen of the problem. |
| | help i am a beginner and i need help with my final program. i beleive i have everything set but i am not sure how to write the function. i want the function to add up all of the rides and give a grand total but i can not get … |
 | I have said program: [code] #include <iostream> #include <fstream.h> #include <conio.h> using std::cout; using std::cin; using std::ios; using std::endl; int main() { char first[6]; char middle[16]; char last[16]; int counter = 0; char temp; cout << "Please enter your first, middle, and last name:\n>"; cin.get(first, 6); cin.ignore(80,'\n'); cin.ignore(80, ' '); … |
| | I'm not sure if this is possible. Basically, I have a function that will detect the current active user. [CODE]string currentUser() { string user; ofstream outf("CurrentUser.dat", ios::trunc); system("whoami >> CurrentUser.dat"); outf.close(); ifstream inf("CurrentUser.dat"); inf >> user; return user; }[/CODE] I have another function which will create a directory in the … |
| | First let me thank you for taking the time to read this. I've been working on this code for a while and I can't seem to get it to run. Basically what I have to do is take in data from a file then output the data in a report … |
| | Hello to everybody, I am a c++ beginner, and I want to do a program that reads a file with a column with numbers, "finds" the repeated numbers and write the repetitions on other file. For example, I have a file like this: Input file: 6 5 4 4 7 … |
 | I'm not really sure what the proper forum for this is. Basically, I have compiled a small program (written in C++) that I want to execute. It first creates an AppleScript, then runs it. But, when the program is run (it is a 'Unix executable file'), I want to to … |
| | compiles there are no errors but it only outputs part of the desired output and then exits in a segmentation fault This is the output its printing out [code] Input is: 25 10 - 100 115 - - 300 2 5 * / / Contents of input queue: 25 10 … |
| | Don't know how to approach this problem, here's what I have so far, any help would be greatly appreciated. PROBLEM : Modify the function days() written for exercise 1 to account for the actual number of days in each month. Assume each year contains 365 days( that is do not … |
| | [CODE]double speedTest() { double dInitialTime = clock(), dFinalTime = 0; double dRepititions = 99999999; double dResult; cout << "\nCalculating...\n\n"; for(int nCounter = 0; nCounter <= dRepititions; nCounter++) { pow(dRepititions, pow(dRepititions, dRepititions)); } dFinalTime = clock(); dResult = dFinalTime - dInitialTime; ofstream outf("Results.dat", ios::app); outf << dResult << endl; return dResult; … |
| | hi i know there is a lib for mysql in c++, but i can't seem to install it properly! someone has a place i can find a tutorial for mysql for: Windows XP, Codeblocks. thx for helping. Checklist for Fast Responses: 1: Search before you post. Does what you're looking … |
| | OK, I have been out of the loop with C++ for a year now. I am finished with school, so this is NOT homework. Just trying to clean up some old assignments for future references. (the code is in "messy" shape til I can get it working properly and clean … |
| | Hi I'm looking for an efficient way of converting an array of integers to an array of doubles. Currently I'm doing this: [CODE]int *a = new int[1000]; //And then assign values to the indexes double *b = new double[1000]; for(int i = 0; i < 1000; i++) { b[i] = … |
| | [CODE]// Listing 14.4 // Add Function #include <iostream> class Counter { public: Counter(); Counter(int initialvalue); ~Counter() {} int GetItsVal()const {return itsVal; } void SetItsVal(int x) {itsVal = x; } Counter Add(const Counter &); private: int itsVal; }; Counter::Counter(int initialValue): itsVal(initialValue) {} Counter::Counter(): itsVal (0) {} Counter Counter::Add(const Counter & rhs) … |
| | Well i'm beginer in c++ programing languages, what I need to know is, What is the partations of c++? What kind of programmes I can built with? And why it's the best programming languages?  |
| | Hi, I have a C++ program (built in Visual Studio 2010) and want to add a user interface to package it up. I've been reading around about windows forms and the win32 API, and found loads of tutorials showing how to create interfaces but I can't find any advice on …  |
| | Hey all, I just wanted to know if I should use a different process to run my loop. I use a while loop until the AI figures out the number. I know there is a more efficient and easier way to make this loop happen with BOOLEAN. Setting while(bool = … |
| | Hello World ! Can anyone tell me how to put a '+' character at the screen centre in 3D World space..It should stay at the centre while moving camera..I don't want to use glutWarpPointer()...anyone who can tell me ..when I move my camera it must be at the screen centre.. |
| | Write a program that emulates the DOS COPY command. That is, it should copy the contents of a text file (such as any file) to another file. Invoke the program with two CPP command-line arguments—the source file and the destination file—like this: C>ocopy srcfile.cpp destfile.cpp In the program, check that …  |
| | so..i found this on wikipedia but i dont really get what dist, previous, alt mean in here.. [CODE] 1 function Dijkstra(Graph, source): 2 for each vertex v in Graph: // Initializations 3 dist[v] := infinity ; // Unknown distance function from source to v 4 previous[v] := undefined ; // …  |
| | hey, I have to write a program that asks the user for an input amount (in cents) and the highest denominations of change (1c,5c,10c,20c & 50c). With these 2 inputs, the program then finds the distinct ways in which the change for the given amount can be made using the …  |
| | Hi, just finding out about making a program that will switch my monitor mode from DVI to HDMI and backwards. Is there any of you guys that done similar thing? Is there a possibility to guide me where to start my research and coding. thanks for help anyway  |
| | Design and develop a program for balanced delimiters checking . Use the stack class defined in STL. Your program should take from the user the name of the C++ program he wants to check and then opens it and processes its text and issues a message saying that: You the …  |
| | please if any one knows howa to solve this problem Write a program that asks the user for the level n that he wants and creates the Farey sequence as a linked list of fractions of level 1, then extends it to level 2, 3,...n. Below are input/output samples: Input … |
| | Hi there, I have been given this question to complete but I can't seem to get my code working properly. I'm very new to C# so sorry if i come across as stupid! Here is the question... Create a class that represents the grade distribution for a given course. In … |
 | Hi dudes, does anyone know where is the problem this my code: [CODE]void CMyListBox::loadSources(CMyListBox::eInputMode eMode,const std::vector<wchar_t>& coll) { wchar_t *pBuffer=new wchar_t[coll.size()]; std::copy(coll.begin(),coll.end(),pBuffer); wchar_t zodis[20]; while (swscanf_s(pBuffer,L"%s",zodis,20)) MessageBox(zodis); }[/CODE] the imput(pBuffer) is this string "šešios žąsys su šešiais žąsiukais." swscanf_s only keeps reading the same word "šešios" ... |
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