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General C++ Programming - April 2014 (Page 40)

According to http://www.cplusplus.com/doc/tutorial/ntcs/ " char myword = { 'H', 'e', 'l', 'l', 'o', '\0' }; char myword = "Hello"; In both cases, the array...

[5 replies] Last: Click to learn null http://www.cplusplus.com/faq/sequences/strings/c-s... (by Duthomhas)

by EngSux

Help with Functions

Hi, so I have been trying to compile this function to test it but I keep getting the following error in my program: #include <iostream> #include <cmath> #i...

[1 reply] : computeSolidity is a function. Should be changed to: y = computeSol... (by kevinchkin)

by waleedxhmad

What does a *pointer before function mean?

I was wondering what magic does a * pointer before function actually do? Today our programming teacher asked us to look into it and explain it in the next class...

[2 replies] Last: I think the OP meant here: int z = *binary(arr); All this does is gi... (by closed account N36fSL3A)

by blackmantis

SDL undeclared filename and apply_surface not working

I've recently dived into some SDL tutorials, but am having difficulty compiling this one in particular using DevC++ with the SDL library: http://lazyfoo.net/SDL...

[2 replies] Last: Thanks for getting back to me, all fixed up now! Alas I had forgotten ... (by blackmantis)

by dnulho

Turning an array and a vector into a combined linked list

I am trying to take an array of player mobs and an array of enemy mobs and turn them into a sorted linked list based on a data member within them. However I can...

[no replies]

by keval

character string

In C++, does char c1 = { 'M', 'Y', ' ', 'P', 'R', 'O', 'F', 'E', 'S', 'S', 'I', 'O', 'N' }; and char c2 = { 'M', 'Y', ' ', 'P', 'R', 'O', 'F', 'E', 'S',...

[5 replies] Last: Thanks :) I have a similar doubt which i have explained better in http... (by keval)

by zoitix13

I have a problem with stl and class strem for I/O

Practically I must create a phonebook that must add new contact on the phonebook,sends, receives call and messages. This information must be written on the file...

[no replies]

by Kash12311

Completely lost

So I have an asignment in which my teacher is wanting us to find the derivative and the integral of a function using pointers, however, I am struggling to under...

[3 replies] Last: We have been going over pointers and all he gave us was the function d... (by Kash12311)

by ryllprous

"echo" meaning (bash scripting)

What does echo in a bash script mean? The code I'm trying to understand says: for((m=0; m<1;m++)) do #assign the correct mechanism to run RMFilena...

[3 replies] Last: The output of the program on the left of the pipe operator becomes the... (by LB)

by mayur21

Structure related query

In this code I am getting structure required on left side of . or .* error on this line ob .getdata(); please let me know am I doing anything wrong ? #inclu...

[6 replies] Last: Thanks LB.Now I have solved my problem and the code is working.Thanks ... (by mayur21)

by subediakash

How to add the play again option?

So , i had to make an rock paper scissors game . After lot of hard work and struggle ,I completed it but my professor rejected it since I didnot add option wher...

[1 reply] : I see you tried to use code tags, but you put the code after them inst... (by LB)

by Widget360

Tilde and Constructors

I have having trouble understanding what a tilde would do for a constructor. class MyClass { public: ~MyClass(); private: MyClass...

[1 reply] : ~MyClass is the destructor , which is called when the object either... (by LB)

by josea1288

Arraybag Unions

I got the error: Error:class"Arraybag<int>"has no member "Union", I don't know how to resolve it. --------------------------------------------------------...

[7 replies] Last: Yes, It was a mistake , I delete that, now where I should put Union fu... (by josea1288)

by SasQ

Implicit conversions to/from library type only in implementation

1. I designed two classes: Processor and Data . 2. Data represents some data object the user can pass to Processor 's public methods. 3. Internally, Pr...

[6 replies] Last: > Passing a pointer to some other derived structure might be dangerous... (by JLBorges)

by PCres91

Attempting to get data from lines in a file

I'm quite new to C++, so sorry if this is a dumb question! For a project we are given a file with a couple of thousand lines of values, each line having 9 di...

[5 replies] Last: Thanks a lot for the reply, some great things I can try implement and ... (by PCres91)

by MrHutch

OpenGL Matrix Ops

Just a query on how everyone else does their matrix operations in OpenGL. There doesn't seem to be one _correct_ way of doing it, so I'm keen to see how people ...

[no replies]

by Haraven

Project Euler problem 13 issue reading from file

Greetings. I am having some trouble with a program I made for calculating the first 10 digits of the sum of 100 50-digit numbers (http://projecteuler.net/probl...

[no replies]

by josh182

c++ developing BankAccount structure that creates a customer, transactions, accounts (uni assign help)

boys and girls, I thank you in advance for your help. C++ issues . I have university assignment struggles My Question: Below is my code that is not working can...

[1 reply] : You must use code tags instead of mix it within the text. That will sa... (by bufige)

by dleanjeanz

Custom object

I have a very simple menu class: class Menu { int Option, numofOptions; void SwitchScreen() { Console::Clear(); //C++/CLI - clear console ...

[2 replies] Last: I've been making a menu using highlight to select options and I stucke... (by dleanjeanz)

by Catfish666

Relation between Allocator and NodeAllocator in a Container

Consider a singly-linked list container. Being constructed with an alloc<T> , it will rebind it as alloc<node<T>> for internal use. Question: is allocator_...

[2 replies] Last: > Being constructed with an alloc<T>, it will rebind it as alloc<node<... (by JLBorges)

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