Beginners - C++ Forum - August 2009 (Page 15)

by CodeBugs

Namespace problem (I think 1!)

Hello, I'm getting an 'XXX undeclared error when I try to compile with the following two header f...

[4 replies] Last: There is never any situation where you need to have circular includes.... (by Disch)

by Impacatus

Polymorphism question

Let's say I have two classes: struct color struct red:public building I know from the tutoria...

[5 replies] Last: The idea was that when it came to saving pointers, I'd just have to re... (by Impacatus)

by cnewby

read from file and output to 2D array

I'm having trouble understanding this. I want to make a function that reads from a file and then o...

[6 replies] Last: Cool! Thanks so much for the help! (by cnewby)

by chasescoot066

Reverse string with Pointers

I got the gist of the project, but it seems as if I am missing something simple. Basically, I am try...

[3 replies] Last: Thanks for the help. I figured the assigning the temporary variable. A... (by chasescoot066)

by Retro94

Criticize my calculator please.

Hi, I'm really new to C++, and I just wrote my first calculator. I know there are ways to do it bett...

[4 replies] Last: Ok, thanks very much everyone. I read up on ending my programs, and am... (by Retro94)

by cnewby

updating an array

I'm not sure if I'm phrasing this right... I'm trying to read an array, copy info into another arr...

[4 replies] Last: multidimention arrays = YUK YUK YUK If you are using pointers you c... (by Disch)

by felipe21

Best way to create "modes"

Hello, I am writing an app and I was wondering how can I implement "mode" constants, like the ope...

[3 replies] Last: That's what I do. (by Disch)

by MiaZas

saving and loading vectors from a file

I am writing a program in which I will need to save the vectors I create and modify so a file, and t...

[3 replies] Last: Line 80: getline(inputFile, Numbers[ i ] ); Numbers is a vector<... (by Bazzy)

by benji00za

power factor function

Guys: I am supposed to write a function to compute the power factor. The formula is (peak energy + ...

[no replies]

by robman8855

can i use class instance variables in functions that aren't part of the class?

can i use class instance variables in functions that aren't part of the class? this is a simple exa...

[8 replies] Last: sry webjose i normally would but i'm away from my compiler for a few d... (by robman8855)

by FireFreek

creating a palindrome program

I'm trying to master my knowledge of C++ by doing some random practice programs I find here and ther...

[4 replies] Last: Come on, Google is making billions for a reason. http://www.cpluspl... (by webJose)

by ricky92

Error: segmentation fault

Hello people, I'm new to this community, but I'm also new to C++. I already know some programming la...

[3 replies] Last: I don't see any problems with the code that would cause a segmentation... (by kempofighter)

by nathanpc

Simple Download Program

Hello, I was reading the source code of wget and it is so complex and confusing, then i'm here ask...

[1 reply] : That's what libcurl is for. Actually, you've asked this, already. (by helios)

by MiaZas

binary vs. decimal

I am trying to figure out the decimal equivalent of 11011 and I got 16, is that right? And I'm also ...

[2 replies] Last: You can also read this: http://www.cplusplus.com/doc/hex/ (by Bazzy)

by MiaZas

arrays and memory

Can the locations of the contents of an array can be spread out all over the memory, or do they have...

[1 reply] : Array elements are by definition in adjacent memory locations. A li... (by helios)

by MiaZas

nested loops

I am trying to write a for loop inside the while part of a do while loop. Is this possible? Dev-C++ ...

[5 replies] Last: Returning a Boolean value means that it either returns true or false, ... (by MiaZas)

by btmorr

cout causing a variable's value to change

Hey there, this problem has been bugging me all day. I'm currently attempting to write some code th...

[3 replies] Last: Thanks for the quick response. Sounds like I'm in for a "fun" afterno... (by btmorr)

by Terviseks

Exercise: map<K, V> m(cmp)

Hello everyone! I am doing some C++ exercises again, and ran into trouble. Exercise text: ...

[2 replies] Last: Thanks for the answer, but I can't use those things. I'm trying to use... (by Terviseks)

by Null

How do i know if a variable is in register?

Just a quick question, if i declare a variable like this: register int i; As far as i know r...

[4 replies] Last: Thank you for help (by Null)

by maheshravishankar

Using Templates to define classes in C++

Hi, I am a beginner in C++ and to get my hands dirty I was trying to implement a heap data struct...

[6 replies] Last: Think about it this way. Say you have template< typename T > ... (by jsmith)

Beginners - August 2009 (Page 15)

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