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General C++ Programming - September 2018 (Page 7)

Hello, I have 4+ years of experience with desktop c++ but when it comes to network, I am a total beginner and I need your help. What I want to do is create 2 pr...

[6 replies] Last: Since it's not for nefarious purposes, you're going to need the cooper... (by helios)

by limchankhim

function int convert to float

#include<iostream> using namespace std; float thai(float x); //function declaration float us(float x); //function declaration float renmin(float x); //f...

[15 replies] Last: thanks you so much tibrodo! (by limchankhim)

by closed account DEhqDjzh

File Read & Write

Hello, To Improve my C++ skills (and some boredom), I've decided to create my mini programming language. It will read a string from a file and react as the cont...

[3 replies] Last: @tibrado Thanks ! (by closed account DEhqDjzh)

by Student1904

Array Functions using Template

Hello, I am having trouble with displaying my array. The error says that displayArray identifier is not found? #include<iostream> #include<cstring> usin...

[2 replies] Last: declare function before use (by akatsukiyuyo)

by Student1904

Template Functions

Hello, I'm having trouble getting my arrays to show using the show function. I get an output but its like 1920820. #include<iostream> #include<algorith...

[3 replies] Last: The values you are passing into your parameters look OK to me. Do you ... (by Ganado)

by JM567

Read in file as string and store into struct variables

Hello, I am in a basic programming class, and we have a lab that I am pretty stuck on. The instructions are: "The object of this program is to rearrange the dat...

[2 replies] Last: Duplicate http://www.cplusplus.com/forum/beginner/242250/#msg1075756... (by longberns)

by xxmahowardxx

It's not displaying correctly, am I using the pointers for callsign and location correctly?

/* This program creates 2 instances of a dynamic memory data structure that represents spaceships that are located at random coords in 2 dimensions. The progr...

[4 replies] Last: @Ganado I wondered what that link was about lol. (by tibrado)

by Student1904

Computing Average

// Hello, I need some help computing averages after reading from a file. The parameters for my computeAvg function has an error. #include<iostream> #include<...

[4 replies] Last: Student1904. First you need to call the computeAvg function, which com... (by tibrado)

by hello321

Binary subtraction

Hello guys I am currently trying to implement a algorithm for binary subtraction to pass my test cases, but i am having issues debugging my problem when i run ...

[1 reply] : [quote=hello321]implement an algorithm Which algorithm? Write it down... (by lastchance)

by kapil2905

How to declare a "nullptr" initialized pointer using "auto" keyword.

Hi everyone, I am trying to declare a pointer variable initialized to "nullptr" using "auto" keyword but getting error. Kindly help me how could we do it. ...

[5 replies] Last: Me too. Being able to know what type an object is by looking at where ... (by Repeater)

by technologist

cant compile class in seperpate .h/.cpp files

I am just now learning how to split class accross .cpp & .h. I've come across an error during this & can't compile: .cpp #include "stdafx.h" #include "camera...

[3 replies] Last: That will fix it in this case. Note that it's considered bad practic... (by Repeater)

by elsa

How to write the backbone of this program project

I have the following homework assignment. And I'm having trouble getting started. I'm familiar with overloading operators and such. I just don't know where to b...

[4 replies] Last: Strongly consider using std::vector to hold the coefficients. https:... (by JLBorges)

by swaveysaiyan

cant figure out what im doing wrong

#include <iostream> #include <string> using namespace std; class Time { protected: int hr, min , sec; string zone; public: ...

[6 replies] Last: Ok I got it!! thank you again!! (by swaveysaiyan)

by closed account DEhqDjzh

How to prevent source code from seen

Hi, I am creating a console application game with pure c++(No libraries, Engines,) and I want to sell it. But How can I prevent my source code to be seen by any...

[6 replies] Last: But games and software no longer do idiot stuff like 'open your book,... (by helios)

by ghost1166

Need help to write one c++ code.

How to write a c++ program which will accept binary numbers as matrix from user and also get particular position of element from matrix and then print how many ...

[2 replies] Last: define binary number. Is this a so-called binary file / byte stored ... (by jonnin)

by shadowhunter033

no matching function for call to 'Subject::Subject(<brace-enclosed initializer list>)'|

#include<iostream> #include<string> using namespace std; class Teacher{ public: std::string name; std::string faculty; Teacher(std::string n, st...

[5 replies] Last: Your choices are basically leaky or crashy. Pick one. Be sure to add c... (by Repeater)

by volang

const char pointer logic

string a = "something funny"; const char * b = ""; b = a.c_str(); //The output is "something funny" What is happening here? I'm used to think that a " ...

[16 replies] Last: Maybe there is a better language suited for me? Have a look at Java.... (by Thomas1965)

by parallx

generating a random float number

hi I need to generate a random number between 0.0 and 1.0. But i'm having problems with it. I've tried a few options but each one gives me the same output whi...

[5 replies] Last: C++98, using the same algorithm as above ( std::generate_canonical ), ... (by JLBorges)

by bigJoe561

Best Stable Matching program

I am trying to write a program to ask the user to enter in two data files that contains the most preferred matches in order of 0 to 4. I am getting this error U...

[1 reply] : The code as you've posted it is unreadable. Use code tags. A couple c... (by helios)

by barnack

Rerunning program just opens a window

I noticed this behaviour in Microsoft's Explorer.exe and some other programs, where if you run the program while it wasnt running, it opens the taskbar and desk...

[2 replies] Last: thanks for the explanation! (by barnack)

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