General C++ Programming - C++ Forum

I have program like this //header.hh #include <iostream> using std::ios; using std::endl; class A : public B { public: static bool abool; ...

[4 replies] Last: see if you have a static variable in a class lets say //some.h c... (by writetonsharma)

by chiwing

can a refered dll have main()

i have a idea that write a dll which have main(); but it is refered dll, which means it called by a exe. why i think have this idea -->because if it can ha...

[8 replies] Last: Both a DLL and an EXE are a PE32 file, which is basically an organized... (by Duthomhas)

by maximusava

Hard Code Password Question/Passing a Parameter to Console

Hello, Let me first apploigize as I am sure this question sounds like it is all over the place. I am trying to write a c++ program that will install software ...

[1 reply] : Belongs in the Windows forum, but anyway. Three choices: 1. Tell you... (by helios)

by VictorH

reference as parameter

When a function has, for a parameter, a reference as in myFunction(const string& str) does the caller normally pass a pointer i.e. const string* strptr...

[13 replies] Last: Even if it doesn't seem so, when you need to tell whether a parameter... (by PanGalactic)

by strawberry

bind gives error C2065: '_1' : undeclared identifier

Trying to make one of the programs in "Efficient C++" work: #include<iostream> #include<functional> class GameCharacter; // forward declaration int...

[2 replies] Last: The second line helped. -Thanks. (by strawberry)

by rajatgirotra

C++ File Handling issue.

Hi Everyone I have a test.tag file on disk. A small portion of the file is as follows: <acc code = "SAVINGS" odate = "20090101"> <tag>Account Code</tag><...

[2 replies] Last: You want to use an istringstream . It is quite common to do this i... (by PanGalactic)

by kk84

how to convert an array of characters to integer

I use ifstream to read a set of input from a file which consist of only numbers. I store these numbers in an char array. I need to use this numbers to do calcu...

[4 replies] Last: The Boost Conversion Library (http://www.boost.org/doc/libs/1_38_0/lib... (by PanGalactic)

by closed account S6k9GNh0

Ex function name

A couple times now I've seen people mention a function such as Render() and then below that have RenderEx(). I'm sure some of you have too and I can't seem to g...

[2 replies] Last: Cool...I've always wondered what it was. And I see tons of Ex function... (by closed account S6k9GNh0)

by ansh batra

hey friends

what is the meaning of void as a parameter?? void add(void){}

[6 replies] Last: I guess what I meant to say is that it's a C requirement and not a C... (by Disch)

by leethargo

Compile error with nested loops & iterators

Hi all, I have a problem here, with a type like set<vector<int> > and iterators running through both levels: #include <iostream> #include <set> #include...

[4 replies] Last: set<>::iterator is the same as set<>::const_iterator. The container c... (by jsmith)

by jfq722

are copy ctors of STL classes deep?

if I have a collection containing 3 Accounts: vector<Account*> m3_accounts; and assign it to another collection: vector<Account*> m5_accounts; like this...

[4 replies] Last: Trust me, the std::vector *is* intelligent but not clairvoyant. Vecto... (by kempofighter)

by denis90

Hierarchy design

Hi guys, I have to build a GRbTree class ( that is, a red_black binary tree with a graphical interface, maybe with Gtkmm ). At this moment I have already done...

[6 replies] Last: I know, saying SimpleTree is kinda ambiguous, here it is how SimpleTre... (by denis90)

by ansh batra

i am new to visual c++ complier

i am new to visual c++ complier ,i want to know all the dos and donts for this compiler. earlier i was working with turbo c++.

[1 reply] : Do: Use it to compile C/++. Don't: Use it to compile Pascal. W... (by helios)

by VictorH

ZED

"...always pad unused vector elements with constant ZED" in an assignment instruction. Is there some nifty global constant called ZED, or does this probably ...

[1 reply] : it probably means that you have to create it yourself. 0,-1, numeric_l... (by csiz)

by happyboulder

tic tac toe for my 5 yr old granddaughters

I need to write a tic tac toe game. What I would like it do is 1) keep track of the number of games won by the 2 players and the tie games. 2) each time a...

[no replies]

by Keerigan

Using batch codes

So I am looking for a simple way to make a c++ program, but using batch code as well. Simply put, I'm off school for the summer, and I am trying to keep myself ...

[3 replies] Last: The Windows Platform API has a CopyFile function. Directories are tra... (by kbw)

by cdw9997

invalid lvalue in assignment error

Hi, I am getting invalid lvalue in assignment on the following line of code: A ->getWater() += water; Water is of type float. I am trying to update the...

[3 replies] Last: Maybe you mean something like a ->setWater( a ->getWater() + water );... (by Hammurabi)

by kmitnick

about three layered c++ program

i am trying to make a simple 3 layered c++ program consist of header.h, main.cpp & imp.cpp in header.h: #include <iostream> using namespace std; class ...

[3 replies] Last: No, these aren't layers. There are three files, two compiled modules,... (by kbw)

by dkaip

real random ...

Hi all. I am using the random function, but the resaults are no good. It gives 111111111111111 or 2222222222222222 etc... There is a real random generator? ...

[4 replies] Last: When looking in net, the trully real number, generation is not easy. F... (by dkaip)

by cppenterprise

memory alocated problem

I have a problem about memory allocated, I read through my code and think threre is no problem, but it did happens, it very confusing me ...., here is my code: ...

[8 replies] Last: I'm wrong again! There's nothing wrong with dUnit& tmp = getGridUnit(... (by kbw)

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General C++ Programming - May 2009 (Page 14)