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Beginners - August 2014 (Page 3)

by keane234
Help with errors for multiple inheritance
 
Hi, I have got following errors and do not know where to fix the error. //lab4.cpp// Error 1-2 error C2661: 'BillingTN::BillingTN' : no overloaded functi...
[1 reply] : You are trying to construct a BillingTN object by passing 4 string arg... (by Peter87)
by zakkor
Pointer problems: program randomly hangs.
 
I'm trying to write a generic doubly-linked tree (or some variation of that, i guess) This is the code for adding a node to another already present node. ...
[6 replies] Last: Thank you very much! (by zakkor)
by Inthemountainair
2D array Help
 
So i have two 2d arrays and i need to add subtract and multiply them then display them. i have everything pretty much good but im not getting the correct answer...
[4 replies] Last: I went and replaced all the col with cols that I mistakingly threw in ... (by Inthemountainair)
by AllenWalker
Palindrome
 
Alright so I'm working on a code to check whether a given word is a palindrome #include <iostream> #include <string> #include <vector> #include <algorithm> us...
[3 replies] Last: // Iterator for the first and last character string::const_iterator... (by giblit)
by MrBeavis
While loop
 
Good Morning Coders, I need a quick help with my while loop, I have a dynamically allocated array that increases with each input of an integer value, I wish to ...
[10 replies] Last: ok im going to have go back over pointers (by MrBeavis)
by hans2311
c# XNA game studio 4.0
 
First things first, I want to devise game about PINBALL game. However I have no idea cope with making "blocks" in the game. "the blocks" itself's function to ma...
[1 reply] : This is a C++ forum. (by helios)
by glenjoker
Do I need to write a destructor for a normal pointer?
 
As stated in the question, if I have a class with a member that is a normal pointer( not dynamically allocated), do I need to write a destructor that delete the...
[4 replies] Last: To giblit: Get it. Thanks a lot! (by glenjoker)
by Jcrew5
Queue segmentation fault
 
Hello, I'm not exactly sure if this should be going in the beginner section or not, but I still feel like I beginner so I put it here. Anyways, I'm writing a fi...
[2 replies] Last: Wow, I feel really dumb for not even trying that, I've been sitting he... (by Jcrew5)
by vxk
object initialisation
 
I wanted to initialise an object of one class(say class A) in another class (say class B). I was successful using : A a1{1,1} but the following gave me error ...
[6 replies] Last: MVP (C++): Most Vexing Parse (origin: Effective STL, Item 6) class C... (by JLBorges)
by adam0421
Expanding an array
 
My problem is to take an array, expand it to double the size using a function, use that same function to return a pointer. Here is the code I have so far ...
[2 replies] Last: Thank you for the reply. Yes I was trying to get them all 0's. Your e... (by adam0421)
by Ch1156
How to link to libraries?
 
I need to link to GLEW and SFGUI libraries. SFGUI is a graphics library for SFML. I built SFGUI with Cmake and then now I dont know what to do, the documentatio...
[4 replies] Last: Yeah i'm using code blocks, the problem is i dont know what files i sh... (by Ch1156)
by Geriel
Getting the value of a variable from a file
 
I want to get the value of a variable from a file. How do I do that? ofstream file1; ifstream file2; int with; int newstock; time_t t; time(&t); cout <...
[2 replies] Last: I initialized it in my program. This actually just a part of the whole... (by Geriel)
by nileshjdarji
Understanding key comparisons and item assignments for insertion sort algorithm
 
Where in this algorithm are key comparisons and item assignments made? void insertionSort(int list3 , int listLength) { int temp; int loc; ...
[6 replies] Last: Thanks a lot. This extremely helps me. (by nileshjdarji)
by h4ever
CODE::BLOCKS IDE help - configuration
 
Hi, I statted to use code::blocks IDE but I cannot find out what I do wrong that compiler cannot find a library. System Windows XP, CODE::BLOCKS 13.12 installe...
[6 replies] Last: I sent the link already. This tutorial http://blog.refu.co/?p=663 It i... (by h4ever)
by abdalimran
Count repetitions of a substring in a string
 
I have written the following code. I have to count repetitions of the substring in the string. What will be the code to count repetitions of the substring? ...
[1 reply] : You've defined count as an int. And no, you can't use an int as a f... (by cire)
by nileshjdarji
Understanding sorting algorithms
 
For the bubble sort algorithm listed below, I don't understand at which step does a key comparison occurs and at which step an item assignment occurs. I do unde...
[3 replies] Last: How about the same question for an insertion sort void insertionSort(... (by nileshjdarji)
by URSvAir14
Issue with removing the last character of a string
 
Hello all, I am currently writing a text box class for me to use with the library SFML. However currently I am having an issue with deleting characters. Here...
[4 replies] Last: Adding character with no previous chars: before: 0 after: 1 Adding ... (by URSvAir14)
by wka
map of classes
 
I am currently trying to learn some c++ coding. For my purposes I would like to employ maps, which have strings as keys and classes as members. So I declared...
[4 replies] Last: thx. The quotation marks solved the issue (by wka)
by Fusion1
What is this?
 
Can some one please tell me what does this code fragment mean? while (khi - klo > 1) { k = (khi + klo) >> 1; if (xa > x) khi = k; else klo = k; ...
[8 replies] Last: > you changed the condition, originally it was a range [) Yes. Thank ... (by JLBorges)
by abdalimran
Problem in solving even-odd number
 
You are given a nonnegative integer number. The number contains not more than 100 digits. Then you have to check if the number is even or odd. I wrote the fo...
[1 reply] : You only ever need to examine the last digit in a number to see if it ... (by LB)
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