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Beginners - June 2014 (Page 34)

Function Pointers from external class

How can i use a function pointer from external class? Say we have a class tuna Tuna: int foo(){ return 45; } int (*foobar)(); Tuna::Tuna(){ ...

[5 replies] Last: procrastination , as you can see from the error message, the type of ... (by cire)

by Auuttumn

Tokenizing arithmetical expression and printing it as an assembly operations

Hello everyone. I have to make a compiler that will print out the given expression as a set of assembly operations. I have the following: As input (string) w...

[no replies]

by funprogrammer

What is wrong in this program?

I am seeing memory access violation when I run program below. The error is "0xC0000005: Access violation writing location 0x00000000." #include "iostream"...

[6 replies] Last: Thanks @akn and @supersammy7000. That helped me understand this concep... (by funprogrammer)

by MissPrimrose

How to Error Check if user inputs letters?

How do I error check if the user is inputting letters and not numbers? For example, if the user inputs "Lab.txt" I need to display an error message. If th...

[5 replies] Last: Strings on lines 11 and 17 must be double-quoted. Thanks! This fi... (by MissPrimrose)

by sidthekid2014

using values in other functions

I have made a function in the beginning that calculates the solidity and takes in values B1, B2 and returns sigma1 Now Ive made another function that takes in...

[3 replies] Last: what alpha1(0.23+(B2/500)) is supposed to do? The error is 'alpha1... (by Null)

by Pranay Venkatesh

Not satisfying while loop

I wrote a game that's like the old Final Fantasy 1, 2, etc. I tried to make the game... like there are two foes and two home units. You can only do damage to o...

[6 replies] Last: DeMorgan's laws can be helpful with this. http://en.wikipedia.org/wik... (by wildblue)

by VentusiK

char releasing weird symbols and strings not working

I have created a simple code to execute as part of my binomial expansion program (please correct me if i'm wrong, i don't speak English nativelly, so i may writ...

[18 replies] Last: So the code has *worked*. Now i have to think of the possibilities so ... (by VentusiK)

by Private200

Running integer when it is after the code

So my question is this: I want to run the main(); again, but the problem stays that whenever I try to run it again, the code MUST be after the main();. I don'...

[8 replies] Last: Why are you trying to call main on line 8 after they input a value for... (by wildblue)

by Yasen

help me please

Help me what is does int main () do? beginner here... ERROR: Implicit coercion of a value of type String to an unrelated type Number. int functi...

[3 replies] Last: I'm using Adobe Flash Professional, do it have C++? No. if it is u... (by helios)

by ajaymehul

what are hexadecimals?

what are hexadecimals? what are they used for? how do i determine the hexadecimal number of integers? please help. i dont understand the concept of hexadecimal ...

[3 replies] Last: And Disch explanation: http://www.cplusplus.com/forum/general/135133/#... (by MiiNiPaa)

by Yasen

Advice me please

What is the best, most recommended, known, and popular C++ programing software?

[3 replies] Last: 1. There are C++ compilers. They do compile. 2. There are editors. T... (by keskiverto)

by red vintage

General advice for handling (possibly much) data

Hi there! This is my first post in a programming forum and my first post in English, too. I will try to express my problem as clear as I possibly can. I a...

[3 replies] Last: Well, a vector is "more than an array" because it keeps track of not j... (by Chervil)

by Mark869

Inserion and display in doubly linked list

Hello. I am confused about how to insert student name, roll number, and 5 courses in a node in doubly linked list. This is a new concept for me. is there any pe...

[5 replies] Last: "No" is not an answer to "What list?". (by keskiverto)

by paulbaah

Not able to comply

Hello, I get this message when I try to comply can't create output directory bin\debug\. What sould I do next? Below is the code. int main() { ...

[3 replies] Last: Hey I have been able to retify this complilation problem. I had to do... (by paulbaah)

by Snippy

Socket ip input. (1,2)

Hello everyone. I had an idea to make a C++ server for a chat system kind of like vent. when I have the ip set to 127.0.0.1 it works fine and I can connect to i...

[20 replies] Last: It's virtually always done the other way around. The port for a servic... (by Computergeek01)

by r 4 raja

Explain this program..

Kindly explain the following program how will be executed. Why Y value is assigned -1? #include<iostream.h> #include<conio.h> int &maxref(int &a, int &b) ...

[5 replies] Last: @r 4 raja (15) wrote: kindly explain why "y value only modified..... (by closed account jvqpDjzh)

by squarehead

The synthesized default constructor

I'm reading about constructors in C++ Primer and can't seem to figure out what the difference is between an empty default constructor and the default constructo...

[6 replies] Last: Another important distinguishing feature is that the class without any... (by Cubbi)

by Nezar

How should i do this ?

Hey buddy, Here's the problem : ??? Define a struct Date to keep track of dates. Provide fucntions that read Dates from input, write Dates to output, and ini...

[3 replies] Last: It's challenging if you can't do it. That doesn't make it wrong. (by kbw)

by closed account jvqpDjzh

How to use a template function in a source file

Is it possible to access to a template function (which is implemented in a .h file) from the source file where all other non-template functions are implemented?...

[16 replies] Last: But if you want, you can implement it outside of class, but still in ... (by closed account jvqpDjzh)

by andsza2

game programming, allegro, multiple objects

Hi there! I'm currently working on a 2D game where the main character moves about in a room completing various tasks. To make the game more realistic I added...

[no replies]

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