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General C++ Programming - February 2016 (Page 8)

Hi all, The following code is a simple auto_ptr class supporting only a few operators. I tried to provide the code with some eception handlers that seem to b...

[6 replies] Last: [quote=Kubani]What thing invokes the destructor at the end of the code... (by Peter87)

by leeram

Help with MultiplyPolynomials issue of c++

Hello everyone , This is my first post . Recently , I got problem from c++ exercise question of book , please step by step to help me , thanks a lot at advance ...

[no replies]

by e7kim

Variable error?

I am working on this code and I finished but i have 2 errors on line 19 about variables y and m, saying that they are uninitialized local variables. I don't see...

[2 replies] Last: Thanks!!! (by e7kim)

by jed47

C++ TicTacToe Minimax Issue

I seem to be having a hard time on the minimax function on my C++ app. I've been trying to emulate the minimax function I found on this link: https://gist.githu...

[no replies]

by moonman239

How do I check if a variable is of a given type?

I want to put a function into my program that outputs to the console the type of any given variable. The problem is that the outputted names of some - or all - ...

[1 reply] : Look at <type_traits> : #include <type_traits> #include <iostream> ... (by TwilightSpectre)

by zippo88

Trigonometry to solve physics problem

Hi. I'm trying to move back some squares after collision, and right now it's not working too well. I believe the issue is my trigonometry code where i'm trying ...

[6 replies] Last: I've managed to solve most problems, and now my only issue is that whe... (by zippo88)

by da peppester

Why does any c++ program I compile always take up an initial 5 to 6 MB of RAM?

Okay, so I am the sorta person who is crazed and addicted to every last sweet drop of performance, and I was just wondering why no matter what I do, my c++ prog...

[6 replies] Last: Thank you so much helios! (by da peppester)

by technologist

can't access member from for() loop

When I try to access a member from array card_deck type Card_Deck I am getting a compiler error: src\main.cpp:29:20: error: 'struct std::array<Card_Deck, 52u...

[5 replies] Last: Oh, got it. : ) I've done the same exercise with enums. Good suggesti... (by technologist)

by JUAN DENT

how to use enable_if for parameters?

Hi, I want to have two definitions for createRawVector and one is to exist only when the parameter is an rvalue reference. I can test for T but how can I test ...

[2 replies] Last: Thanks, it worked!!! (by JUAN DENT)

by closed account GwXSz8AR

Please help, fstream/stringstream

figured it out, thank you everyone.

[3 replies] Last: To me part of your instructions don't make a lot of sense. Part of the... (by jlb)

by Duaa alhelo

merge sort

the code isn't sorting elements and just printing the unsorted elements ? #include <iostream> #include<math.h> #include<string> using names...

[1 reply] : Function merge_sort() calls itself recursively until the program run... (by Chervil)

by mike9407

displaying linkedlist

City C1(11,"Kuala Lumpur"); City C2(12,"Melaka"); City C3(13,"Penang"); Linkedlist<City>c; c.insert(1,C1); c.insert(2,C2); c.insert(3,C3) i already inser...

[5 replies] Last: Actually, I've been trying to operate under the assumption he's not a ... (by MikeyBoy)

by xponnox

Function call for an array of struct objects

So before I get flamed, in this project for school I am not allowed to use <string> library only cstring. Someone Please tell me why my function call is not wor...

[3 replies] Last: Yes, that's much better. I assume TarikNeaj's post has explained your... (by MikeyBoy)

by homing

C++ free cache miss / performance profiler?

Hey, do you guys know any good free profiler for cache miss and/or general performance? It would need one for Windows(VS2015 Community) and OS-X(XCode).

[5 replies] Last: I still would need a good profiling tool for Windows. Does Visual Stud... (by homing)

by gedamial

Move Constructor doesn't get called

Hello guys. I've my own class String // Move Constructor GString(GString&& move) { std::cout << "Move" << std::endl; // ... code ... } // Shou...

[11 replies] Last: WHY does the GList move constructor get called then? Is it racism? Lol (by gedamial)

by Outlaw782

Error: conversion to inaccessible base class not allowed

I am trying to print out a list, compiler is giving me the error mentioned in the title. I've marked below where I am getting my error at: (***) Thank you to a...

[2 replies] Last: class OListType:ListType<T> is equivalent to class OListType: priv... (by ne555)

by aarreola2010

I need help building a program please.

Write a complete C++ program that will do all the following tasks. Each type of loop (while, for, do/while) must be used at least once. Create a loop that wil...

[1 reply] : Advice is to break the problem and execute the task one by one try to... (by mogha)

by aliyesami

CRC of a message char array

i have a char array , with comma seperated tokens like ?>100,1023,255..\n whats the best way of generating a CRC for it ?shall i just generate the CRC for...

[15 replies] Last: but why would you turn all bits high ? The CRC32 algorithm uses a 32-... (by helios)

by Outlaw782

How to inherit a template class??

I am trying to inherit the contents of one template class from one header file, to another template class which is in a separate header file. Here is what I ha...

[2 replies] Last: thank you sir, solved. (by Outlaw782)

by suroh

Issues with arrays

I'm trying to perform various operations on an array EDIT: I forgot that some people on the internet prefer to ignore obvious things. 1. I need to create an i...

[6 replies] Last: I didn't read the entirety of the first post because is was long and r... (by doug4)

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