General C++ Programming - C++ Forum

by unidentified

error C2228: left of '.Symbol' must have class/struct/union

I continue getting this same error:error C2228: left of '.Symbol' must have class/struct/union Any ...

[1 reply] : In the future, try to put your code in code tags. They show up as "<>... (by doug4)

by michael10024

Prim's Algorithm Implementation Help

Can anyone implement the prim's algorithm code using binary heap (SET or PRIORITY_QUEUE in STL) with...

[no replies]

by TheDestroyer

Is this a bug in MinGW compiler?

For a base class and a derived class: class MyBase { public: double mynum; }; class MyDerived...

[15 replies] Last: [quote=cire] Usually such issues should also be enforced by the use of... (by TheDestroyer)

by phillyman1025

Multiuser chat server

This code is from http://beej.us/guide/bgnet/ I don't understand what is happening in what he label...

[no replies]

by bond5611

Solve this please....

What is the mistake which should be remove to work the following program ok.Remember the class userD...

[2 replies] Last: Thanks peter solved. (by bond5611)

by xSteely

newDay help! urgent! due today!!!

Hey everyone. I'm almost finished with my newDay program... with 1 small problem. whenever i input t...

[2 replies] Last: thanks for the help! it helped a tad... but you were right, i had many... (by xSteely)

by hnefatl

Reading/Writing data to a file

Hi, I'm trying to make a basic program that writes a number to a file as a series of letters, the...

[3 replies] Last: Sorry, I forgot to wipe the file's data; it works perfectly now. Than... (by hnefatl)

by Williamk

Trying to get a text file into an array

Hello, I am trying to get a text file into an array, here is what I have as code: // ifstrea...

[3 replies] Last: Please use [co de][/co de] tags The problem is that you are writing... (by Bazzy)

by kemple

Ask a Friend lifeline class help

Trying to figure out this CallAFriend class, any suggestions? My code is set somewhat random just tr...

[no replies]

by bond5611

How do I call?

How do I call the parametrized constructor while creating pointer objects?

[2 replies] Last: Simply pass the arguments like Zhuge said. Note the difference between... (by incognito)

by gpink88

error list- simple math computation

Hello I just started a c++ class. I have no experience with programming so bear with me. I've co...

[1 reply] : This answer = 1+3+5+7+9+(2n - 1); Should be this answer = 1+3+5... (by htirwin)

by bond5611

Template Objects.

Guys i have template class and want to allocate memory dynamically for it. currentAffairs<string>...

[3 replies] Last: objForCAffairs is not a currentAffairs. It's a currentAffairs<string>.... (by Lachlan Easton)

by BotHH

Threading and pointers to structures

Hi, I can't get the values in my structure to come out it just seems to print the location in memory...

[2 replies] Last: Thanks man. I was trying args.id. thanks again (by BotHH)

by kjoshi

Collision problems. Urgent!

Hi guys posted last time, making a simple pong game as a coursework and cant seem to get the ball to...

[3 replies] Last: I have created the class for rectangle, and that all seems to be fine,... (by kjoshi)

by Irwoo

Function and arrays

How do you make a function accept an array and the size of the array as parameters?

[2 replies] Last: @buffbill: Umm.... I'm not sure what you were trying to do there? An ... (by ModShop)

by Muckle ewe

Creating class object dynamically in a 'manager' class

So let's see if I can explain this right. I have an object manager class that handles a few deriv...

[4 replies] Last: Macros, people, macros! class Base {}; class MyClass1 : public Base {}... (by LB)

by optimus203

Sum of 2 values from map with string keys

Hey everyone. I'm trying to add the sum of 2 double values from a map who have a string key. I think...

[no replies]

by viliml

template inside a tempate

It there any difference between, for example template </*something*/> template</*something else*/...

[1 reply] : If by your first method you mean something like this template <type... (by guestgulkan)

by GFreak45

template class function parameter errors

This is the class: template<class _TYPE, class _VALUE = int> class avltree; This is the fun...

[3 replies] Last: Seems to work fine for me. Simplified version below. idTree is a sta... (by rollie)

by amiroops

the break point will not currently be hit. invalid file line

in a c++ program I get this error: "the break point will not currently be hit. invalid file line" w...

[2 replies] Last: Thank you, I was looking for more sophisticated solution, I need that ... (by amiroops)

General C++ Programming - April 2012 (Page 8)

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