Beginners - C++ Forum - February 2011 (Page 18)

code with c++ 2008

i'm new here,,can you give me a sample program that save the date and the time of the system on a text file when i press a bouton "ok" (i have an application wi...

[3 replies] Last: the EventHandler for the button would look something like: private: ... (by closed account z05DSL3A)

by satyamkrishna2004

creating two exe. from one code

i wanted to ask whether we can two exe. file from one code( i am not talking about self extracting softwares). can we write a code in c++ which will do the job.

[11 replies] Last: thanks Duoas (by satyamkrishna2004)

by Blessman11

Creating an array at runtime

Is it possible to create a pointer that can be modified into an array at runtime? Or instead do you just have to create a normal array.<also, can normal arra...

[13 replies] Last: I see that dptr is an array of double pointers, of size 1, but on cons... (by Moschops)

by DrCake

School assignment

Hi, If got a C++ assignment for school, but im stuck :( This is assignment: #include <iostream> using namespace std; const short bit0 = 0; cons...

[5 replies] Last: << is a bitwise operator. It shifts the bit in a byte to the left, co... (by john2)

by tonnot

A forward problem case 1 works case 2 not

I dont understand nothing I have ClassA.h class B; class A { public: private: } ClassA.cpp #include "classb.h" ClassA::fun...

[1 reply] : Even your explanation is not good enough to answer your question, from... (by richardforc)

by thiagosort

Creating objects

I've programmed c++ for a while, but got on a problem which I don't know to solve. Let's say I have an class called Bird. On my main method, when my progr...

[2 replies] Last: On a related note, in this code: if(key='B'){ Bird b("blue");... (by Moschops)

by tonnot

Forward declaration

Talking about forward declaration... Myclass* myclass Myclass *myclass Whats the difference?

[1 reply] : There is none. (by Athar)

by spentak

Constructor -initialize this class into an empty class?

Lets say I have class TheClass. In the constructor, how do I initialize this TheClass to be an empty TheClass?

[3 replies] Last: You can using a char array "myString" to store string. if myString i... (by guevara)

by Caesar1

srand

I'm trying to get my random-equation generator to generate two different numbers not only every time it starts up, but also each time it runs through the while ...

[2 replies] Last: Thank you! That was rather obvious, I should've seen that. Thanks ag... (by Caesar1)

by joro550

Should this work??

I really don't know, but it works on my compiler and gives me this output: 012 #include <iostream> using namespace std; class baseClass { publi...

[1 reply] : Yes, it should, but the virtual keyword is not necessary because you'r... (by filipe)

by spentak

Can't assign "const char*" to an entity of type "char*"

I'm fuzzy on pointers I suppose (I figured I could just assign one pointer to the other but I guess not). char *myString; //Defined in prototype Test...

[4 replies] Last: I see. Because assigning that pointer would give myString access to t... (by spentak)

by gobblewobble123

Encoder?

I'm trying to write a program that encodes the user's input. It is a simple three-letter shift. This is what I have so far: #include <iostream> #includ...

[1 reply] : Replace s with the name of your string. for(int i=0;i<s.length();i++... (by rocketboy9000)

by la9113

decryption program

I just started using C++ and i have to create a program where the user enters a file name to decrypt and three integers 0-26 corresponding to the letters in the...

[4 replies] Last: Yeah, you take the integer value and cast it to a char, but if that's ... (by Computergeek01)

by rynus98

Recomendations for c++ class

Hi, I'm planning on learning c++ and was wondering if someone here would be able to recommend some sort of online c++ course or class. I'm not opposed to using ...

[4 replies] Last: If your school offers a Computer Science class, then you should take i... (by Browni3141)

by paki programmer

SFML

So do i need to link SFML to VC++ 2010 every time i make a new project or is there a way that i can link it once and not have to worry about it ever again?

[3 replies] Last: If you're using VS, you can make your own header that has something li... (by Disch)

by CoBSaD

Finding multiples of 3 under 1000.

Hey fellas, brand new programmer here! I'm excited to learn and I'm having a blast. Would like some advice from the experienced dudes here. I'm trying to make a...

[12 replies] Last: @Browni3141: Typically I'm against posting whole solutions to assignme... (by Zaita)

by paki programmer

How do you make a level editor?

i want to make a platform game but i need to know how to make a level editor. Any suggestions, books, or websites that could help?

[11 replies] Last: My thought about this is that level editors are for the people who don... (by Computergeek01)

by beaver55

reseting a stack (1,2)

How can I reset a stack to be empty? Is it like this? void reset() { count=0; }

[22 replies] Last: why not make std::vector (and std::string) built in to the language a... (by jsmith)

by Blessman11

Sorry, Re- Multi dimensional vector array

I'm trying to assign these classes to my multi-dimension vector array but it doesn't work. I'm getting the error that undeclared pointers can't be assigned. But...

[3 replies] Last: To follow on, I suggest you use a shared_ptr<> (www.boost.org) or an a... (by Zaita)

by skendrick92

Quadratic equation

My teacher wants me write c++ statements that computes the value of (-b + (b^2-4ac)1/2 )/2a and assigns the result to y. Here a, b, c, and y are variables of ty...

[2 replies] Last: http://www.cplusplus.com/reference/clibrary/cmath/sqrt/ (by Toothkiller)

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Beginners - February 2011 (Page 18)