49,765 Topics
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 | Hi guys, I need to understand the concept of inheritance in Oops. Can any one explain with real life example the use of inheritence to enhance a super class. It will be very helfull to me if you can explain me the use of inheritence to build a simple car. … |
| | i wanna know how to set an certain number with commas, for instance if i had this [CODE] #include <iostream> #include <iomanip> using namespace std; int main() { int numItems; double total; const double costOfItems = 1050; cout << "enter number of items "; cin >> numItems; total = costOfItems … |
| | I have created an iterator for a vector and i need to create a return type for an object found in the vector. vector<Student>::iterator StudentRecord::find(const string& studentName){ vector<Student>::iterator find; for(find = students.begin(); find != students.end(); find++) { if(find->getName() == studentName){ return find; // Not sure if i am allowed to … |
| | hello i am building an application in Visual c++ 6 and i want to save some variable values. i tried in all ways, until i try just to save a value that i declared right in the "Serialize" function of my CDocument class : [code=cplusplus] void CDiplomaDoc::Serialize(CArchive& ar) { r=3; …  |
 | is there a package for c++ that will allow me to make a matlab/gnuplot style plot from within c++? I would like to skip the step of writing data to a file and then using something else to read in the data and then plot it. Let me know what … |
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 | Hello, This thread is not about you solving my homework, infact i only go to secondry school so don't get it, this sounds weird but can you give me some homework examples brcause i want to learn C++ and i think it may help, please reply a.s.a.p :). ~ Black …  |
| | 1. How do i convert an object (students) which is of type string into a string. 2. How do i remove all characters from a string after a space character. ie. i want to read an Object eg. "WILSON","MBCP" convert it to a string and then remove "MBCP". Then i … |
| | Write a program to add or subtract two big integer numbers. “Big” refers to a number which is more than 30 digits. You can assume that the number may have MAXIMUM 100 digits. Your program should have the data structures to hold such a big number. Also it should have … |
| | I have a header file called StudentRecord.cpp which declares the function: vector<Student>::iterator find (const string& studentName); In my Student Record.cpp file i have written the folloing code: vector<Student>::iterator StudentRecord::find(const string& studentName){ vector<Student>::iterator find; for(find = students.begin(); find != students.end(); find++) { if (students[find].getName() == studentName) { return students[find]; } else … |
| | right now i am working with Turbo Borland C++ compiler...however now i want to have a try on GCC compiler too... so where would i get it?? can anybody provide a reliable link to a GCC compiler??? :) |
| | Hello, and thanks in advance for your time! I am very new to C++, and am attempting the classic squares program. I have the meat of it all done, but am having issues with a few certain parts. First, I can't figure out how to do the sentinel value. I … |
| | Dear c++ gurus, I'm new in creating a header file. never try before. ERm... i have write a header file with a program: [code] Header file: MySensor.H extern short int DetectSensor(int sensorvalue[10]) { ....; } [/code] [code] Program file: MyFile.C #include <MySensor.H> short int i; int p, sensorvalue[10]; int getsensorvalue() … |
| | hey : i am working on simple engineering application but i have some problem i want to draw X-Y axis Then put any point on it . Then i want to translate this point ∆x=5 , ∆y=12 After that i want to rotate it by angle (∂) degree then i … |
| | until now u didnt solve my problem use c++ to input three words and then put them from largest to smallest using if statement |
| | just practicing for fun on some problem i saw posted on yahoo answers,mathematics section problem: xyz times pqr = some number x,y,z,p,q,r should be 2, 3, 5, or 7. and some number's digits should also be made up entirely of 2, 3, 5, or 7. solution: 335 x 753 = … |
| | I wonder something about what is happening when I sort this vector. I put some number into the vector like below. After the sort the output look like this. 3 2 1 -3 -2 -1 What I want is that the output instead will look like the below example. Like … |
| | hi fellows... I have a little problem, in Unix there's a library called unistd.h that have the function "link" and as its name says, creates a link of a file.... I want to use that function in windows, but i only found the "_unlink" function in the io.h library, this … |
| | I'm making a text adventure game, and it's actually coming along quite nicely...the only thing is, I want to be able to return to the previous screen whenever I want. Say that in my game, I go north. I want to be able to go south, back to my main … |
| | hello! i have problem with program i made: the program should define a pointer to pointer which points to dynamic array of Grade (class i made). i increase the size of the array in function. so i made a new pointer to pointer which point to array of Grade (the … |
| | hi i have the following hex string 40 E3 4E DA 04 2B FE 7C and i need to convert this to 39541.813009259260. I believe this is a hex to ieee float conversion. I thought that it was a case of viewing the hex in binary format the inverting the … |
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 | So I'm a new programmer and I'm SO close to finishing this code. I want to return an array from a function, and every thread that I've looked up has said I need to return the data as a pointer TO an array. How is that done? Also, I'm working … |
| | is it possible to use fstream without using classes and structures since everi time i encountered a fstream code i saw this classes and structures used...im not into the portion of classes ...could anyone help me out in this case!!???? |
| | #include <boost/config.hpp> #include <iostream> #include <vector> #include <utility> #include <string> #include <boost/graph/adjacency_list.hpp> #include <boost/graph/graph_utility.hpp> #include <boost/property_map.hpp> #include "ed.h" #include "ve.h" using namespace boost; using namespace std; class Molecule { map<int,string> m; public: void set_molecule_property(vector<string>& s4) { for (unsigned int i = 1; i <= s4.size(); i++) { m=s4[i-1]; } } … |
| | Hello All: Can anyone give me a simple idea how to remove the duplicated letters in a text if I have this word HELLO it must be HELO..... Thanks in advance..... |
| | I am using TURBO C++ IDE 3.0..i am able to execute the program that are related to graphics. but the problem i face is when i get the output i am not able to capture the output using print screen key.the output is a black DOS screen and is not … |
| | Dear c++ guru, I am using cygwin to create a c++ environment for my Lego RCX. I have create a program file in c++ format. when compile with cygwin, it shows: [code] file.ds1: line to short on line 324[/code] can anyone help explain to me what is it? I am … |
| | I am creating a graph using boost library, I am making the network using create_Network function() i am adding the vertices to this graph by creating the object g of class Graph. I am trying to use this object g in the another function get_neighbours() but it is not giving … |
| | write c++ program to input three words and put them in sequence from largest to smallest using if statement so please help me its due during less than one hour |
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