C++

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Beginners - April 2011 (Page 45)

HI. I made a program for my homework it doesnt fulfill the task completely but i think it's gonna do the job.What do you say will it do the job or not ???? He...

[5 replies] Last: Try this: http://www.cplusplus.com/reference/clibrary/cctype/isalpha/ ... (by Computergeek01)

by nezs

Passing data structure to a class in another fille

Hello! I am pretty new in C++ and I apologise in advance if my questions seems silly. I have a data structure declared in main.cpp and I want to pass that da...

[4 replies] Last: Yup, did that. And your suggestion works! Thank you very much! (by nezs)

by mansoorazeem

Increase in one value related to another value

I want to make program in which when the menu to select battery is ON. The life of battery starts increasing. Can someone tell me how to do this ? how to in...

[1 reply] : if (batteryOn)battery++; (by Athar)

by stereoMatching

Could boost::function accept arbitrary arguments?

//B is an arbitrary argument //N is the size of f boost::function<int(int, B)> f = {boost::bind(....), .....}; B maybe type point, type myRBTree and so on...

[5 replies] Last: In which case the best way to deal with a variant is via static_visito... (by jsmith)

by billywilliam

resource

Just DL'd Win32windowsAPI, playing with it a little bit but having trouble understanding how to get an image into my project. Do I need to save (lets say a sh...

[3 replies] Last: Allegro, wxWidgets, SFML... In general, working with GUI's isn't tha... (by hanst99)

by adrianooo231

String giving wrong output

Ok so i making a program that by entering a date of birth it will give following output You were born on the of the in the [if {year} is greater than 2000...

[1 reply] : exchange line 34 and 30 (by coder777)

by maxg316

How can I implement polymorphism in this program?

Hi, i've got a prgram for a college system which allows a user to determine the overall grades for a student. What I want to do is add polymorphism to this prog...

[no replies]

by tbtphoenix

file input output

I am new to C++ programming and am trying to find a way to write variables to a file and then read those variables at a later time, for something such as a save...

[1 reply] : You can use http://www.cplusplus.com/reference/iostream/fstream/ for t... (by coder777)

by pete

data iput and calculation

hi i have a text file which has a 12x41 sized 2d array..(let the file name be inflow.txt).i need to open the file and has to use the each data one by one in ...

[1 reply] : You can use http://www.cplusplus.com/reference/iostream/ifstream/ (by coder777)

by pieee

Class problem

Hey guys, I'm having trouble compiling this code, I don't exactly know what I am doing wrong as I am only new to classes. Am I even close to setting out my func...

[4 replies] Last: Yeah thanks for that. Originally when I ran the code I had multiple er... (by pieee)

by ciphermagi

Dynamic filenames

I'm trying to figure out how to make a filename based on the following: char *tmp; const char file = {"datos/file_"}, ext = {".txt"}; ofstream mySaveFi...

[17 replies] Last: bump - Still no luck, and I've been reading the docs and reference mat... (by ciphermagi)

by bhawna2285

Support Binary I/O

Which of the following supports binary I/O 1.gets() 2.fsreatm::write() 3.Puts() 4.fstream::get

[1 reply] : Why don't just look at the reference section? (by firedraco)

by Tazz

how to correct the data type problem

hi there please help me i was writing a program in which i declared a: const float pie=3.14; but i am getting a warning message each time as "truncatio...

[1 reply] : 3.14 is a double by default. Write 3.14f to make it a float. (by Zhuge)

by bigfisherman

looping problems

Okay. my function "screenOutput" is going to output to the screen. I need 6 values per line. In my main() I am to ask the user to input a search value... ca...

[3 replies] Last: ooh, I can play "post the same reply twice, too" :p on how to pass ar... (by matsom)

by devjeetroy

Error C1083:Cannot include header file

Hello, I am making an oversimplified, small ATM machine emulation program. I haven't completed the code yet. but when I was trying to build my half written pro...

[2 replies] Last: Yes, for both. (by devjeetroy)

by toadmar

output to a file

I have code the will output to a csv file all combinations of a give string. say the string is abc i will get: aaa, aab, aac, aba, abb, abc, aca, acb, ac...

[6 replies] Last: Is there away to output to an ms access file? I would like to open t... (by toadmar)

by mta

'Class' Type Redefinition

Hi Guys: I am receiving the 'Class' Type Redefinition C2011 error on the Patient class but I haven't been able to figure out why the error is showing. Could ...

[7 replies] Last: Put header guards with unique identifiers in all of your headers (by Bazzy)

by k1ng310

2D looping help

Can somebody help me understand the looping process for 2d arrays? int main() { int a , x , y ={3,4,5,6}, z=0, r, c; int i=1; cout<<" r c a i"<<endl; f...

[5 replies] Last: thanks a lot.. thanks! (by k1ng310)

by maxg316

How could I use polymorphism in this program?

Hi, i've got a prgram for a college system which allows a user to determine the overall grades for a student. What I want to do is add polymorphism to this prog...

[1 reply] : The fact that you can't see where to add polymorphism should tip you o... (by Athar)

by mark103

how to correct the errors?

Hi guys, I need your help. I am using managed c++ and I have no idea how to correct the errors I have received on my error list. Here it's the error wit...

[6 replies] Last: Maybe you could look for a C++/CLI forum. (by filipe)

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