General C++ Programming - C++ Forum

processing other languages using c++

Hello everyone.... I wanted to know how can i get a string to contain text other than asci values. I want to process Hindi(India's National Language)...so i n...

[3 replies] Last: To read from a file you need to know the encoding ( it is specified in... (by Bazzy)

by binarysolo

Trying to write a base converter

I'm trying to write a base converter that allows the user to convert any number from base x to base y (2-16). It will also allow for hexadecimal conversion. ...

[3 replies] Last: No, I mean you should just make a function that takes the string and t... (by firedraco)

by somyasinha

error LNK2001: unresolved external symbol

Hi, I am using Visual C++ 2008 Express Edition. I define a class Selector in one header file. class Selector : public UOFId { public: virtual int ope...

[1 reply] : "unresolved external symbol" means the linker can't find the body for ... (by Disch)

by Wr3ckinCr3w

File IO Problem

#include <fstream> #include <iostream> #include <cctype> using namespace std; int main() { //Variables fstream TextFile; const int intSIZE = 180; ...

[4 replies] Last: You are going to get through all this fine. One cultural issue to con... (by cmoth)

by Gregor

thread sync problem

Hai :] Beeing new to the subject I wrote the following: ... CONNECTION_ID n2i; CRITICAL_SECTION cs; ... //in func that creates a...

[7 replies] Last: If CreateWindow fails, the critical section is never released. (by kbw)

by tsilis3

segmentetion fault......again.

About five days ago i posted here a piece of code that produced a segfault. After using the advices from some members the code worked but now its giving a segfa...

[3 replies] Last: Ok. I took PanGalactic's advice and for the past two days i've been tr... (by tsilis3)

by Malang

Strange Errors while including boost

I'm using boost::threads for spawning multiple threads and in order to use functors for thread i'm using boost::bind but including <boost/bind.hpp> in my file u...

[4 replies] Last: Boost version is { BOOST_LIB_VERSION "1_34_1" } and i'm just using b... (by Malang)

by cidron

c++ and mySQL: mySQL++, problem with examples

Im sure some of you have experience with mySQL++, and all im doing now is trying to get things to work. This one is a bit of a headtwister for me: I've b...

[no replies]

by jrohde

ifstream problems

Below is a code I just tried, which writes to a text file and then attempts to read it back. The output file shows up correctly, but the input stream seems to ...

[1 reply] : Put spaces between your outputs. The overload of operator>>() can't te... (by helios)

by hastefan20011984

arrays

ok i have started on this new program and i have had to implement pieces of a source code that was given to me into a previous code and i am trying to set this ...

[6 replies] Last: any suggestion at how i should fix these problems and what would be th... (by hastefan20011984)

by pccX

128 bit data type

How can I use a data type that is bigger than 64 bits?

[8 replies] Last: smilodon is right. I don't think you've thought through the other lim... (by PanGalactic)

by n4nature

protected destructor

1) class UPNumber { public: UPNumber() { cout << "UPNumber constructor called" << endl; }; protected: ~UPNumber() { cout << "UPNumber d...

[4 replies] Last: Good to know. Most of the confusion occurred because the behavior is d... (by n4nature)

by n4nature

creating objects, while making class non-inheritable

Hi, Below is the code to make a class non-inheritable (by making constructors private) while allowing to create objects of a class. Its been discussed in Sco...

[8 replies] Last: Thanks (by n4nature)

by Sephiroth

Multidimensional arrays with new...

Alright, I am working on a new class that will need an array of unsigned char's that will be 6 characters in length each. Is it possible to do something like t...

[7 replies] Last: That works fine, and I may use it. I am probably just going to make a... (by Sephiroth)

by cdhdds

Reviving an Old Aztec C program and problems

A defs.h has the following: struct allomorph { char *rest_key; char conds ; union { char *morphname; struct SD_affix *morpheme; } dp; ...

[8 replies] Last: Thanks kbw, This helps me think through the process. pfxlist in th... (by cdhdds)

by yalcin

Using Class Template in Visual C++

Hello, I wrote template which return matrix in Window Form Application .My template is below: template<class T> class matrix1 { protected: ...

[1 reply] : there shuld be no difrence for C++ templates in those project template... (by Gregor)

by ritchiezy

file manipulation

hello, can someone share some good website talking about file I/O in c. since it is a little bit confused. thanks

[1 reply] : Try http://www.cplusplus.com/reference/clibrary/cstdio/ (by Bazzy)

by yalcin

Class Template in Visual C++

Hello, I formed class template that represent two dimensional array : template<class T> class Array2D { protected: public: T *data; ...

[2 replies] Last: this beeing your post, look @ it fist http://www.cplusplus.com/forum/... (by Gregor)

by Hypernova

A good book on pointers,memory and some inner workings of compilers for C++

I am searching for a book(s) which explains things like the following - 1. Difference between memory allocation of local and global (or other static variable...

[2 replies] Last: 4. is a remnant of the DOS/Borland compiler days. 5. no, at least... (by jsmith)

by DrSchwartz

segmentation fault with fgets

Hi all, I'm completely stuck.. I have a program which reads integers (there are 65536 integers) from one file, and adds them into the Bloom filter. And then it...

[1 reply] : My first concern is that buffer is not null terminated. But why don't... (by jsmith)

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General C++ Programming - July 2009 (Page 13)