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General C++ Programming - November 2018 (Page 5)

Two-Dimensional Array Duplicate Values

Howdy, I am attempting to create a program for costing allocations to different projects. I would like to ask for the number of inputs to determine a 2D a...

[1 reply] : I think a map is a more appropriate data structure. http://www.cpluspl... (by Browni3141)

by nuderobmonkey

how to pass a templated function as argument?

I'm playing a bit around with function pointers. Here I tried to implement a simple generic sorting algorithm where a function should been passed for evaluating...

[1 reply] : It's simpler than you have it. #include <iostream> #include <list> ... (by tpb)

by Tomstud122

Find the power of and than modules large numbers

I am trying to find the power of very large numbers and than the modules unsigned long long base = 888999000, exponent = 202404606, modulus = 237291793913; ...

[5 replies] Last: So you trust one random person's code over another random person's cod... (by tpb)

by numanrki1

Need a suggestion

Hey, I am Numan. I am a student of BS Computer science.can anyone suggest me best c++ author book. please share a link if you have any best c++ book in the soft...

[2 replies] Last: oh . okay, I removed my email. thank you for your kind advice. :) (by numanrki1)

by Algonology

While Loop

Removed

[1 reply] : & is a bitwise operator you must use && for logical inclusive. (by Satan)

by Pararera

Share object between files

Hi guys, Can I share same object(Adafruit_SH1106 Screen(4)) between main.cpp and ui.cpp? How I can share it?

[9 replies] Last: I use functions on same way in both files. I'll do more tests and writ... (by Pararera)

by suraj192

why this code giver error in visual studio on the other hand it works fine in code blocks

#include <iostream> using namespace std; void disp(char *c) //here visual studio says it should be "const char *c" { using namespace std; cout << "nam...

[4 replies] Last: https://en.cppreference.com/w/cpp/language/string_literal OK: string ... (by lastchance)

by As74s22

Undefined Reference even the library is there?

I have been trying to compile a trivial static library. I used the library in another project This is my folder structure: GppCompile > bin > ...

[2 replies] Last: Oh... But if no slashes means relative path, why the command I origina... (by As74s22)

by Awsom3Alan3

Need help with an Error Message.

When I compile the program I get the error message "no matching function to call to" and I know it has something to do with the class object. If anyone could he...

[3 replies] Last: @OP Why did you delete your code? How can we help you if you do that? (by MikeyBoy)

by Putarda

Invalid use of incomplete type class Vertices (with templates)

I think I did everything correctly. I just can't understand whats the problem. Heres my code: template<typename> class Vertices; template<typename T> class Ve...

[3 replies] Last: template<typename T> class Vertex { public: void t(); }; template<... (by Peter87)

by Spirrwell

Unexpected Timing Results

Hello there! So I wanted to do an experiment to test timing difference between using a switch statement and using an array of lambdas. I seem to be having an i...

[6 replies] Last: @jonnin Nah, I'm pretty sure by now it had to do with CPU caching or ... (by Spirrwell)

by Gimmicky

File stream reading line with specific criteria

classA, (-7, 11) // classA requires 2 variables(x,y) classB, (5, -31, -22) // classB requires 3 variables(x,y,z) classC, (-7, 11), (20, -1) // classC requires ...

[3 replies] Last: After reading the data for a particular line, extract and discard the ... (by JLBorges)

by Pararera

Object with volatile private member

Hi guys, I'm writing code for Arduino, for interrupt function. Any variable must be volatile, so in case with no object it will look like this: volatile ...

[2 replies] Last: Thanks for explonation (by Pararera)

by versus network

Creating LinkedList by Text File

hey guys as you read on title i have to make linked list.Now i have txt file which named sayi.txt this file includes numbers and all numbers is can be change a...

[1 reply] : Your spacing is insane. A you haven't really done enough. Show your at... (by tpb)

by mqndv

My code does not compile!! Can anyone help me compile c++ code

This is a c++ program about palindromes. It does not compile, and I do not know how to fix it. Please Help!!! MAIN FILE #include <iostream> #include "St...

[1 reply] : Stack's push and ToString methods are missing their return values. Sho... (by tpb)

by kcattgirl

TWO WAY STATEMENTS HW

This is a homework assignment for my class, and the professor didn't explain switch and two-way statements very well. Included is what I have so far, so please ...

[1 reply] : In the end of http://www.cplusplus.com/doc/tutorial/control/ there are... (by keskiverto)

by IndianGoku

Deck Of Cards Game (where user beats cpu by 2 points)

I was supposed to create a deck of cards and then use the deck of cards to play a game where I give a card to the user and a card to the cpu, we then both show ...

[no replies]

by suraj192

why i am getting "expected primary-expression before '<<' token|" while printing the datatype passed into the template

#include <iostream> using namespace std ; template <typename T> void function_(T val ) { //only this line works file cout<<"...

[2 replies] Last: With a template function, the T gets replaced with the type that is ac... (by Repeater)

by debjyotigorai

How to remove a directory along with it's contents?

How to remove a directory along with its contents in C++11? I thought rmdir() removes directory along with its contents but it removes only empty directories. ...

[6 replies] Last: you can do it with commands. del /s deletes all the files under the p... (by jonnin)

by faeory

polynomial class

hi, can you help me in writing the functions for this program please?! "Design a class to perform various Polynomial operations. A polynomial is a mathematic...

[5 replies] Last: see : https://stackoverflow.com/questions/30456982/a-polynomial-class (by homy18)

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