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General C++ Programming - October 2010 (Page 19)

I am writing an interpreter for c++ but I have this error in stl_algo.h In function `_InputIterator std::find(_InputIterator, _InputIterator, const _Tp&) [w...

[3 replies] Last: Are you linking all of your .o (.obj) files into the executable? Have... (by jsmith)

by ali0482

What’s a delegate?

What’s a delegate?

[1 reply] : http://en.wikipedia.org/wiki/Delegation_pattern (by m4ster r0shi)

by Swiftslide

Function that returns a function pointer?

I'm trying to make a console-based UI based on a menu system. I want 'Menu' and 'MenuOption' to be classes in themselves, with Menu holding an array of MenuOpti...

[2 replies] Last: What you want is for MenuOption::getFunction to return a function poin... (by AbstractionAnon)

by LittleQuick

string filename4

Ok here is literally ALL of my code, what is wrong with filename4? #include <iostream> #include <io.h> #include <sys/types.h> #include <sys/stat.h> #in...

[2 replies] Last: Nevermind I found my errors, and I pretty much have to move all of my ... (by LittleQuick)

by shadowayex

Passings string array in C

I know this is a C++ forum, but I figured there will (hopefully) be quite a few C people here as well. My problem is this: I have to use plain C for my entir...

[2 replies] Last: C/C++ has no way of checking the length of an array so you could eithe... (by Galik)

by saicam

error C2106: '=' : left operand must be l-value

Hi guys, Can anybody help me in this kind of error?..I'm actually reading a file text and I'm trying to save the string in some variable but I cannot save it be...

[4 replies] Last: coz im actually doing a file reading and writing and also saving the i... (by saicam)

by nscruggs

?? can't retrieve data from .txt file...comes back blank????

so i'm trying to read in names and addresses from a .txt file into my program...but as of now i'm just trying to test my method of getting the data by getting o...

[1 reply] : by the way the printName functino in the Name class isn't the issue wi... (by nscruggs)

by pizet

multidimensional arrays

Hi, I need an advise. How can I a pass a multidimensional array into function parameter? I have this array dynamicaly allocated, so I don't know the size yet......

[1 reply] : firstly, http://www.cplusplus.com/forum/articles/17108/ if the array ... (by hamsterman)

by fmcarthur

A Simple (?) linked list problem?

I have a perplexing problem that I've been trying to solve ever since I screwed up an interview last week with a very high-profile famous company: 115K starting...

[4 replies] Last: Hey guys, thanks very much for the replies. Just to clarify: For t... (by fmcarthur)

by Bazzy

string::iterator invalidation

The ISO standard ( §21.5, 5 ) says: References, pointers, and iterators referring to the elements of a basic_string sequence may be invalidated by the fol...

[1 reply] : Hmm...I'd have to agree with you there. It could be invalid...the sta... (by firedraco)

by coder1998

Eclipse c/c++ have odd characters when text file encoded with UTF-16

I am using Eclipse for c++ project. I have some polish characters need to be in the code. When I switched the encoding to UTF-16, the editor shows odd charact...

[1 reply] : C++ sources should only contain ASCII. There's no telling what will ha... (by helios)

by Ravskie

Problem setting a value that is text.

http://www.cplusplus.com/forum/windows/29526/ Better topic and in the proper cat.

[3 replies] Last: http://www.cplusplus.com/forum/windows/29526/ Better topic and in t... (by Ravskie)

by khris

defining operator+

Hello all, I have been getting great advice from the Beginners forum, but it seems this program that I am working on will require more than beginners' help now....

[9 replies] Last: If you have operator+( const T& lhs, int rhs ) defined, then T o... (by jsmith)

by dcjones

Legacy script

Hi All, I have for my sins taken over a project to update some legacy scripts which where written in C+. The scripts read data from a serial feed and convert...

[6 replies] Last: guys pls help me about my program.. my problem is i dont know how to u... (by jonjondavid)

by ShubhadaJS

New operator

Hi, What is the exact use of 'new' operator in c++? In Java everytime for creating a new object we use 'new'., but why not so in c++?

[1 reply] : new allocates dynamic memory. dynamic memory is used when, at compile ... (by hamsterman)

by brossmei

virtual c++

can some1 solve dis program 4 me? Design a class named Line. This class is used to identify the coordinate of x and y. This program should ask user to en...

[1 reply] : no. http://www.cplusplus.com/articles/how_to_ask/ (by Bazzy)

by crazyblue

getting a string (size of that is not given)

how can i get a string with millions of lines? namely how can i implement a data structure that expands

[1 reply] : there are many ways to make that. A string is usually a vector of char... (by Bazzy)

by harsh4u89

call a class member function without creating its object

Is it possible to call a member function without creating an object of a class? This is the code I have written and its is working absolutely fine #i...

[3 replies] Last: Your code works fine because f doesn't modify access any data. Whe... (by m4ster r0shi)

by TheWanderer

Overloading operator<<

So, I am new here, but I need some help. I am looking to overload 'operator<<' so I can modify the behavior of 'std::cout' in 'main()'. This is really just bar...

[6 replies] Last: Take a look at http://www.cplusplus.com/reference/iostream/ostream/ ... (by sohguanh)

by jaredpg1

2-D Array Problem!!

I have an assignment where I have to read from an input file into a two-dimensional array.The input file has about 208 lines of numbers, two numbers to a line. ...

[2 replies] Last: Edit: Please use pyschoder solution as his is more elegant and compact... (by sohguanh)

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