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Beginners - June 2012 (Page 20)

I am having trouble passing in variables in a function. I am passing in 10,20, then 30 into the attach. then run the start and attach 15 after the 10, and my pr...

[no replies]

by Swizzler

Implementing Functions in Header File

Hello :) The tutorial I am following has defined a class, then underneath the class (in the same header file) he has defined some (constant) variables, ove...

[1 reply] : If the functions are templates or inline they have to be defined in th... (by Peter87)

by bitani

References - Are they even a variable?

I'm currently reading a book on C++, and I like to understand how things work fully or else they just don't make sense to me. Say I do: int a = 5; int &i...

[2 replies] Last: If the C++ standard doesn't say anything about it, then I suppose it's... (by bitani)

by pagola

an aray of pointers

how does one set an array of pointers to be empty. I have declared a char array with the following syntax char fisrtname =""; and when i cout this it is empt...

[2 replies] Last: The simplest way in C++ is char *gettype = {}; (by vlad from moscow)

by boscomanilow128

Defining a Pointer

Hello guys, A very small syntax question. I want to declare a pointer p. Are the two declarations below identical actually? int* p; VS int *p;

[5 replies] Last: It is invalid statement. In the both cases only p will be declared as... (by sargon94)

by Logfritz

Trouble with Classes

Trying to get ahead this summer with C++ and I ran into some problems when writing a simple class program. Here are the two files in my project Training 5....

[10 replies] Last: sweet action, after trying out a few of those I ended up with the orwe... (by Logfritz)

by luuksa

Need help with SMS API

So, here's the thing, I need to make an application that receives SMS from mobile phone (via 3G, Wi-Fi) and I need to store received data in database or some so...

[2 replies] Last: Thanks for the reply and sorry for my "late" reply. I'll go through tu... (by luuksa)

by fuerchter

If and else if in a while loop

Hi there I have the following code: #include <iostream> #include <time.h> #include <stdlib.h> using namespace std; int main(){ int number; int a=0; srand(...

[2 replies] Last: Oh lol this just happened to me on another program as well. This is ki... (by fuerchter)

by curscascis

Turning a whole array into an entity for another!

hey guys, so I am creating an address book for practice. But I need some help with arrays. So when the user goes to add a new contact it will ask them for a few...

[13 replies] Last: Ok, I think I got it int he if statement I couldn't do if(currentLocat... (by curscascis)

by Amnesiac

Checking suitable characters for a URL

In Accelerated C++ section 6.1 pg 107 (for those who have it to hand) there is a function that returns true when passed a character that cannot be part of a URL...

[4 replies] Last: I'm not sure I like the double-negatives. If isalnum is necessary, ma... (by Veltas)

by mcf3lmnfs

actuall number contained within the pointer

in tutorial of pointers i found out that a pointer actually contains the "id of memory cell" how can i get that number? and store it in double variable? for...

[13 replies] Last: Well, honestly I said it in a kind of firing a gun at a mountain kind ... (by Veltas)

by nadir CoCo

Sorting values

Hello, I have a question about sorting the values inside vectors; I have three vectors V1,V2,and V3, in order to sort the elements ineach vector I know that ...

[1 reply] : Well, for one thing you could define your own comparison operation on ... (by Veltas)

by leeto

Template. Numerical Array.

I what to implement to my Template operator * . So, Very simple idea. There is <Template> Array which purpose is container like vector for classes There is...

[5 replies] Last: I implement your ideas !!! Everything fine !!! could you check on oth... (by leeto)

by unixhand

Pointer: pointing to choice in switch statement

How would I 'point' (deference) a pointer to something that was selected in a switch statement? I created a pointer and a switch statement. The user selects a...

[6 replies] Last: I'm a fan of unsigned. #include <iostream> using namespace std; vo... (by Veltas)

by hombakazij

Converting an alphabet to its position number in the alphabet

Help please I need a simple c++ code that outputs the position of an alphabet e.g that E is position 5 in the alphabet. Here is what i did: #include<iostr...

[2 replies] Last: @iHutch thanks now its working. (by hombakazij)

by choccokels

Panel Chaning Colour

I have just started to learn c++, for a job i am trying to get. I all ready know basic so i know a bit about programming, i am required to make a GUI applicatio...

[no replies]

by wnan42

passing a 2D array in a function

I am a beginner of C++. Any help will be very appreciated! I can successfully compile and run the following code: #include<iostream> using namespace std; vo...

[6 replies] Last: @Stewbond It wasn't THAT invalid. void printMatrix(int matrix ... (by vlad from moscow)

by leeto

Creating <Template>. unknow compile error.

This is study project because of this I don't use code from STL vector. I want to create some program that will be do next: 1. Create object of class for exam...

[4 replies] Last: Many thanks !!!! (by leeto)

by nhim175

How to check if a file exist in a directory

Hi, I've got a problem. User enter a file name, how to check if the file exist or not? Thanks!

[2 replies] Last: I used fopen :) I think it's the easiest way. anw, thanks! (by nhim175)

by rshank111

Need some guidance in learning C++

Folks, i have worked in C, but i wanted master C++ and do some side projects. Provided, i put dedicated effort, how long on a average it would take to master C...

[3 replies] Last: Again, without knowing you previous knowledge, I have no clue what emb... (by Volatile Pulse)

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