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General C++ Programming - March 2016 (Page 21)

In the following code how do I pass card_objects array through function read_back(card_objects) for use by for (auto elem:card_objects)? I've isolated the error...

[11 replies] Last: awesome thx t (by technologist)

by toasterstoast1

Class to store and convert complex numbers

Struggling to create a class to store and convert complex numbers... i am getting an error which says member function already defined or declared, and i am uns...

[1 reply] : Line 19, 26: You have identical constructors. PLEASE USE CODE TAGS (... (by AbstractionAnon)

by JUAN DENT

problem using std::forward

Hi, I have these overloaded functions which signature is: // VERSION 1 template<typename Control, typename...Args> auto addWidget( unsigned height, const Args...

[1 reply] : I just want to perfect-forward the variable number of arguments recei... (by Cubbi)

by JUAN DENT

Code dependent on template argument?

Hi, I have a template function and I want it to do something only when its template argument is say == class Date. How can I accomplish that? Sample: t...

[2 replies] Last: great!! thanks!!! (by JUAN DENT)

by Furyoku

Sound input and output

How to input and output sound using c++? Like recording sound then play the sound. I want to make a sound recorder.

[1 reply] : Have a look here: https://msdn.microsoft.com/en-us/library/windows/de... (by Thomas1965)

by Xriuk

Visual C++ complains about ambiguous overload

I have some classes, each of them has a static method which I use to create them (I wan't my classes to be created only with new, don't ask why): // Base class...

[5 replies] Last: @naraku9333 Thanks, This worked! If I undestood correctly what happene... (by Xriuk)

by sgluicheukon

How to read a list of num and then adding the even number??

I am new to c++ and find a lots of difficulties on learning it. How to read a list of number input by user? Do i need to cin >>x , y ,z ....e.t.c? And how to ...

[1 reply] : cin >> x >> y >> z >> etc would do, but you'd have to do exactly ... (by Moschops)

by jwoot001

Loop if Invalid input

Hi, Im a beginner with c++, I would like to ask for help with my loop thingy i dont know where to put the loop but the program should be like this CONVERSION ...

[no replies]

by Gyiove

calculating avarage and not letting sum/count to go too high

Hello everyone. Here's a classic way how I would calculate the avarage double sum = 0.0; double count = 0.0; double calculate( double value ) { sum +=...

[9 replies] Last: To estimate the error in computing the average as a moving average: ... (by JLBorges)

by jackraj25

JPIP Streaming Images(with download images client end)byte by byte save single same file of bitmap file folder c++

JPIP streaming images(with download).How to save the bitmap in c++ local folder. Kakadu)JPEG 2000 Interactive Protocol is protocol using this i streaming the...

[no replies]

by RAVSHAN02

Help! Inheritance-BankAccount/CheckingAccount Assignment

Hi, I was having problems with the following school assignment: "Define the class bankAccount to store a bank customer’s account number and balance. Suppos...

[no replies]

by ec252

Why isn't my code working the way I want it to?

I am having a problem with my code. I have to create a snake game and just right now(at the moment) I only need help printing ONE asterick'*' onto my 2d array t...

[1 reply] : //Microsoft (R) C/C++ Optimizing Compiler Version 19.00.23026 for x86... (by JLBorges)

by Ekul520

Scrabble scoring using arrays

I have to make a scrabble scoring game using 2 arrays. The first array holds the user inputted word and the second array holds the value of each letter. Lastly ...

[no replies]

by demoylan

Do goto blocks execute even if there is no goto?

Like this: for (...) { if (...) { //do things goto h; } } h: //do more things Is the h block going to execute even if the goto in th...

[10 replies] Last: > Should breaks and continues be avoided? break , continue and go... (by JLBorges)

by terk11

C++ How do I include these functions into my main function and prototypes. Also how do I set the parameters

Here is my code, it is for the game Farkle. I need help integrating the functions and setting their parameters. #include <iostream> #include <string> #includ...

[no replies]

by OliviaD

Infinite loop

I'm running this infinite loop until a user enters zero and then I have to write the program so it will output how many even and odd integers the user inputted ...

[1 reply] : You need to accumulate statistics about the input. Store information i... (by keskiverto)

by gradku

C++ reading in from text file for comparisons

Hi, so I'm very confused on how reading in from a text file works. If I wanted to read in from a text file that contained information delimited by colons and en...

[3 replies] Last: Hey, thank you guys for your inputs. I've been stuck on this problem f... (by gradku)

by Xriuk

How does preprocessor replacement works?

I have defined this macro: #define draw_rect(x, y, w) r = {x, y, w, 1};SDL_RenderFillRect(window->getRenderer(), &r);std::cout<<(x+w)<<" "<<y<<"\n" And I use ...

[3 replies] Last: 1. A function-like macro should behave like a function so you should w... (by aphillips801)

by rabster

Questions about vectors.

I've been using vectors for a quite a while and have got pretty decent with them. However out of all the STL containers I don't really know how they work exactl...

[7 replies] Last: Thanks everyone for the information! Definitely helped give me more in... (by rabster)

by toch

vector problem

Hi everybody, I want someone explain me what is wrong is this code because it's won't execute, throwing the following message during execution: main.exe has sto...

[2 replies] Last: Thanks a lot keskiverto, your help solve my problem, thanks again, I f... (by toch)

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