Beginners - C++ Forum - June 2013 (Page 42)

Why Does the following code take 4 inputs???i am using codeblocks on ubuntu... #include <stdio.h> int main() { int p,n; float f,si; scanf("...

[1 reply] : jeez, just use google. http://www.cplusplus.com/reference/cstdio/scan... (by mutexe)

by dhilchie

passing pointers and arrays

im having troubles with passing arrays and pointers. Im still not exactly sure on how i would pass a point that is an array to a function. not sure if i fdong t...

[2 replies] Last: The name of an array is also a pointer to the first element of the arr... (by MikeyBoy)

by beginner123

how to save item in memory

i created a server using a tcp connection. I also have a client program that connects to this server. I want the server to store the ip addresses of the clients...

[2 replies] Last: I would write the file to a /tmp file, that way if the server reboots,... (by SamuelAdams)

by Ramzi89

Const static arrays and classes

Hi I'm trying to create a const static array of string for a pure virtual base class. Can anyone see what I'm doing wrong? class Item { private: ...

[6 replies] Last: // header file item.h class item { protected: std::string... (by JLBorges)

by rihardmarius

Pointers to functions

Hi, I'm at this part of the tutorial, in the section Pointers. http://www.cplusplus.com/doc/tutorial/pointers/ "C++ allows operations with pointers to function...

[16 replies] Last: how would it be to pass a function as an argument to another function... (by Cubbi)

by optimisez

OOP

Sunshine Furniture Sdn Bhd has approached you to develop an application to track all the items in the company. (a) Define a class named Item to store the detail...

[6 replies] Last: And where can I find documentation about bool operator==(Item& aItem)... (by optimisez)

by Scipio

flexible class operators

Hey People, I have a very simple class State containing a bunch of variables. Now I want to define State State::operator + (State) that simply returns a Stat...

[3 replies] Last: Nope. You're not going to be able to do that. You could use an ar... (by AbstractionAnon)

by Hvqc

Help with a database?

I am still very new to c++, but I would like to practice making something like a database, but I'm not exactly sure where to start. I know I don't know enough t...

[1 reply] : You could take a look at SQLite3. There's an example here: http://www... (by kbw)

by dirtyfishtank

Copying bytes from txt file

Hello. I want to copy the last 4 bytes from a specific line from a text file (ie, always line 5). What is the best method to use once I open the file for readin...

[2 replies] Last: size_t n = 5; std::string line; while ( n && std::getline( YourFil... (by vlad from moscow)

by Vigii

Is there any predefined functions in C++ for differentiation

Hi, I'm looking to perform a different order of Differentiation for a function given. It could be easy because my actual coding work is back with numerous...

[2 replies] Last: Please see: http://www.cplusplus.com/forum/beginner/65749/ (by condor)

by mrm40

using array members

Hi. i have the code below: int dynamicbinomial(int n, int k) { int* b = new int[n,k]; for(int i=0; i<= n; i++) { for(int j=0; j<= min(i,k...

[4 replies] Last: ok mrm40, you're welcome! (by condor)

by sermanas

String in switch statement

So I have a problem, i wanna use string in switch statement, but when i do that, c++ show me some error like: "switch quantity is not an integer". So question, ...

[4 replies] Last: If you do as vlad said you will be using C# and no longer C++. (by Peter87)

by spriggan

problem in understanding stacks and queues

Hi all. i'm preparing the c++ test and i got some problems with stacks and queues. i have not clear how the push/pop functions have to be organized, and their...

[1 reply] : by looking at the traversal, i can say its a circular queue, google ci... (by SirSmilesaLot)

by AphexBravia

Basic Do While Loop

Hey, I'm trying to write some basic Do while loops. Have done a couple this morning and all worked fine, but for some reason I cant get this one working properl...

[5 replies] Last: ^ Cheers mate, ill try that from now on. (by AphexBravia)

by SourceCoded

Some trouble with vectors and classes

O hai hoomans of ceeplusspluss I have some code and I dont know whats wrong with it #include "Startup.h" #include <iostream> #include <sstream> #inc...

[1 reply] : the error pretty much says it all: on line 30: you pass a string whil... (by coder777)

by Ch1156

Read words from file, choose one then output

Ok so i want the program to be able to read a list of words from a file and then randomly choose one then output it all jumbled up. I already know how to jumble...

[3 replies] Last: http://ideone.com/UIcIF8 (by naraku9333)

by ChoppySticks

Saving data entered by the user?

I'm trying to make a console app that manages your money in a game's auction house. You can add up to 20 items to manage and you'll be able to see see potential...

[1 reply] : Yup! Go to documentation and go down to input/output tutorials. It wi... (by Hambone)

by sakonpure6

FStream Help Please!

So I created a code to show your high score using ifstream and ofstream to save them to .txt and to read from them. So when you run the program the first time e...

[1 reply] : Never Mind I GOT IT WOOOOOOOOOT! OMG it feels so nice when the program... (by sakonpure6)

by a sk

Method return type?

What's wrong with my code below? Throws this exception: matrix.cpp:49:24: error: argument of type ‘int (matrix::)()’ does not match ‘float**’ Here...

[6 replies] Last: Thank you! I managed to fix it now. Below output. 8 4 [0,0]0 [0,1]1 ... (by a sk)

by Ramzi89

confusion with comparison of char

Why is this output as true. Arn't 0 and 9 converted to their ascii equivalents and numbers are lower in ASCII so 9 is not lower? ch3 = 'C'; cout << "'...

[3 replies] Last: cool cool makes perfect sense. Thankyou. (by Ramzi89)

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Beginners - June 2013 (Page 42)