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General C++ Programming - February 2017 (Page 8)

Hello! I been trying to some kind structure my game data. In the book "Game Programming Gems" I find a Factory Pattern witch I pretty much understand but I can ...

[2 replies] Last: So BasClass* is a type of the CreateObject function. No. BasClass ... (by AbstractionAnon)

by vannhan

pointer problem

Hi everyone , i'm a newbie . I have a problem with my program , i hope you will show me the way how to solve it. Here's my code : #include<iostream> using nam...

[4 replies] Last: > in practice, I don't know of any compiler that does not just assign ... (by JLBorges)

by johnsubira

Help please...

Hello friends, I'm not good enough on C++.. but I'm trying my best to do what is possible for me. I want you to help me On random words... I want an random wh...

[2 replies] Last: Thank you so much, It's working Great... (by johnsubira)

by Phoenixeyes

What next after Stroustrup?

Four months ago I was a complete novice in programming. So I started teaching myself C++ using Stroustrup's Programming, Principles and Practice. It's a great...

[5 replies] Last: Broaden your understanding of C++, with what can and what should be do... (by closed account E0p9LyTq)

by liuqiblog

Who do know single chip microcomputer configuration bits of PIC24FJ256GA108 ? Urgent for it !!!

I can not read English manual . Anybody could tell how to set single chip microcomputer configuration bits of PIC24FJ256GA108( http://www.hotenda.com/product-ta...

[1 reply] : You may ask their service department : http://www.hotenda.com/page_in... (by Jackyyi)

by D22

Trying to convert a fraction entered as a string into two seperate int variables

I'm trying to create a program that accepts two numbers and turns them in fractions, multiply, divdes, adds, and subtracts them. The user gets to input a frac...

[1 reply] : you can edit this function, if you wish, to overload the extraction op... (by gunnerfunner)

by losconosciuto

help with an exercise

I am sorry that many things are in italian language but i need help. I wanted to create an array where you can insert numbers, then the numbers will appear on t...

[5 replies] Last: C++ is exactly defined by international committee, not by DevC++. The... (by mbozzi)

by JUAN DENT

template parameter F is incompatible with the declaration...

Hi, I have this code: template <typename F, typename... Args> struct apply : lambda<F>::type::template apply<Args...> {}; template <template <type...

[1 reply] : Apparently you can't have a template <typename> typename parameter. It... (by helios)

by LongDo

Help - Binary Search

// This program demonstrates a Binary Search // PLACE YOUR NAME HERE #include <iostream> using namespace std; int binarySearch(int , int, int); // function...

[2 replies] Last: So, middle is always an integer, but how it affects logic of the progr... (by LongDo)

by zeroblank

Tough times detecting the "\n\n"

i really wasted so much time trying to figuer out a way whenever the user finish his input he do a double enter which is a new line i tried scanf and cin ...

[3 replies] Last: btw, to answer this part of the question [quote=zeroblank]i figured th... (by Cubbi)

by Hengry

Reading template string

My code is suppose read a string and place each section of the string into an array. My code works with <int> , but it does not work with <string> . I'm havin...

[5 replies] Last: array is a pointer to T, but on lines 35 & 48 you are assigning a T.... (by TheIdeasMan)

by ahmad001

what is better?

in declaration #define 1. in header file (.h) 2. in source file (.cpp) can you help me for have best code?

[1 reply] : If you need the macro definition to be in multiple files, then put it ... (by MikeyBoy)

by SSteven

Has_f<> : checking if a type has a member with a specific name

Stroustrup describes a metaprogramming technique to check if a function f() takes an argument x of type X. ie, it checks if the call f(x) is valid or not. ...

[1 reply] : See: http://www.cplusplus.com/forum/general/207113/ (by JLBorges)

by elsa

Stack around the variable "name" was corrupted

Never seen this error before in my life. I believe, after some research, it may have to do with array overflow, however, I have used array length MUCH smaller t...

[3 replies] Last: damn...i can't believe i didn't see that. thanks so much guys. (by elsa)

by SecretSquirrelNutz

Programming Project Help

This is a basic end of course assignment and me and my team are at a loss we have pulled together this program and debugged, but we are still not getting exactl...

[4 replies] Last: Further I would concur the 7 vector parallels is an issue, this seems ... (by SecretSquirrelNutz)

by ken1263

declaration syntax

What does this declaration mean in a struct? uint64_t tpid : 12;

[1 reply] : It is part of what's called a bitfield. Basically, it means that the i... (by lordseanington)

by sochima

having problem using QVariant as a value in my container class

i am an amateur in Qt. i started recently. i have read other topic relating to mine in the forum but they all seem close to but not it. so i decided to post my ...

[1 reply] : /* this is where i tried to display my widgets on screen but failed. ... (by cire)

by Kingassassinable

Setting random obstacles?

Hi there everyone. I'm really struggling currently with getting this grid set up for a very basic game I'm trying to create. My task is to make the user input t...

[1 reply] : you can roll a random number for each cell in the thing and make a cho... (by jonnin)

by gokitty

windows form, 2 issues. getline no instance of overloaded function

as the title says, im using ifstream to read from a file(its a single line of text). then im using getline to store it and print it out, however i cant seem to ...

[3 replies] Last: //Solved. had something related to what type of string it was and cau... (by gokitty)

by alex067

Using reference before function name

Can someone explain what this does: const string &foo() const { return element; } I understand why we use references before variable names, or in par...

[4 replies] Last: It's just for performance reasons. If you don't return a reference the... (by Peter87)

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