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February 2020

Beginners - February 2020

I was writing a code in c++ using Visual Studio Community 2017 (with Commom Language Runtime Support (/clr) - Windows Desktop | Windows Console Application) and...

[6 replies] Last: I’m so grateful to you for help me with it. Now I feel I am ready to... (by roddiasgold)

by Bopaki

Battling to print out the largest element in the list

I get the following warnings: 49. 49 declaration shadows a field of linkedListForward 60. 57 will never be executed 81. 28 variable 'first' is uninitializ...

[3 replies] Last: A question about logic: linkedListForward foo; foo.buildListForward()... (by keskiverto)

by Bopaki

Help me resolve the errors below

I get the following warnings: 50 50 declaration shadows a field of linkedListForward 60. 57 will never be executed 82. 28 variable 'first' is uninitiali...

[2 replies] Last: Hello Bopaki, Do not double post. http://www.cplusplus.com/forum/beg... (by Handy Andy)

by Manannan

Cannot Convert GDI Plus Bitmap to Base 64

I cannot convert a GDI+ bitmap to base 64. I have so far: 1. Downloaded and included this library: https://github.com/ReneNyffenegger/cpp-base64 2. Written th...

[13 replies] Last: Thank you all for you help, but I solved my own problem. I was confus... (by Manannan)

by highwayman

Polymorphism - what’s allowed..?

Ok, so I am in the process of making a doubly-linked list type thing that has some weird stuff going on with the individual nodes. Basically I have my front and...

[12 replies] Last: ... I mean, no, but Idk what you mean. Maybe I’ll look at it. Yeah I... (by highwayman)

by mrpear2020

Exercise asking to use default copy constructor - for a deep copy

Requirement: Given the class CharQueue2 below with a std::deque<char> data member. Use the compiler generated copy constructor and assignment operator as a bitw...

[1 reply] : The distinction between "shallow" and "deep" copies is not particularl... (by mbozzi)

by CodeNovice01

Linked List - no errors but a few warning

Hello again, I have been working on this linked list code for the last few hours and at first it read in garbage and all which I'm use to seeing, but now that I...

[16 replies] Last: #include <iostream> #include <iomanip> #include <fstream> using nam... (by CodeNovice01)

by mrpear2020

Decide what to return on 'deque' operation (Queue)

Imagine I was given this task: char CharQueue2::dequeue(){//Write code here to make this work } Then I write the below pop_back() operation. Question is, if ...

[5 replies] Last: Then should you be using std::deque or should you be using something e... (by jlb)

by bigskit13

function call problem

class assignment. copy and paste the code below including function call. everyone's worked except mine. they were using macs, I am using a surface book. outp...

[12 replies] Last: for anyone coming through with the same problem. Here's the backgroun... (by bigskit13)

by mrpear2020

Basic Queue exercise: error when assigning size() of a deque

Hello, I am working to get the capacity of a Queue data structure as per the class outlined below. I attempted to assign size() to the deque variable, but I am ...

[4 replies] Last: Perfect. resize() does work just fine. THANK YOU !!! (by mrpear2020)

by mrpear2020

Swap objects in a queue: How to define this data type?

I am writing the code below for method 'swap'. Question is, if data type is "CharQueue2", how do I test this? I am doing in main: CharQueue2 q; //Create th...

[3 replies] Last: Apart from that, consider: void CharQueue2::swap( CharQueue2 & src ) ... (by keskiverto)

by hakcerfsdj

Help in question

Today is Valentine's Day and Kabir and Tara have decided to celebrate it. Now, both of them are going to park to spend some quality time together. The city i...

[10 replies] Last: depends on the sequence(s). if its a linear sequence, for example, yo... (by jonnin)

by hakcerfsdj

Very nice question

Today is Chocolate day and Kabir and Tara are visiting a Valentine fair. Upon arriving, they find a stall with an interesting game. There are N jars having s...

[2 replies] Last: duplicate thread. the original thread is still waiting on the Op to ... (by jonnin)

by alexas

how to deduct tuples // checking cuboid intersection

I have a task to do a coarse check if cuboids intersect by assuming they are spheres. So I have cuboid class with three arrays stored as x, y, z coordinates of ...

[1 reply] : you are making this too hard, maybe? you have 3 distances. object a ... (by jonnin)

by mrpear2020

Basic Queue operation: enqueue/push_back returning an error

Hello, I am writing the "enqueue" method for the class below. I am getting error: main.cpp: In function ‘void enqueue(char)’: main.cpp:21:5: error: ‘va...

[5 replies] Last: Actually, it was a const char *, not a std::string. (by lastchance)

by AJ24

If statements problems

I'm having trouble running my code. I'm new to codding and to the language itself. The program is supposed to compute the price of any sign a customer order...

[12 replies] Last: @Manga, Not really. My understanding of the instructions is that the... (by Handy Andy)

by hbcpp

Accessing private variables in friend methods from a class that is inside a namespace

Below is the sample code that illustrates my problem. #include <iostream> #include <ostream> using namespace std; namespace test { class Test ...

[5 replies] Last: Noted Andy, thanks guys for the help, really appreciated it. (by hbcpp)

by alexas

Check if cuboids are overlapping as fast as possible (no iteration) in c++

I have a cuboid class where cuboid coordinates are provided as set of arrays: Cuboid3D cube_a ({1.0f, 2.0f, 3.0f, 4.0f, 5.0f, 6.0f, 7.0f, 8.0f}, // x c...

[19 replies] Last: It may be useful to keep a list of all sorted by the distance of each ... (by jonnin)

by dannyboy89

Passing values

How to print the total purchase cost from a cout comand in the main function? My output is: The total purchase price is: $121.663 but i want that to be the outp...

[2 replies] Last: Hello dannyboy89, PLEASE ALWAYS USE CODE TAGS (the <> formatting bu... (by Handy Andy)

by Fredo25

storing a char array into a 2D char array

Hi, I'm having trouble running my program for storing words into a 2D dictionary array and I ran in to the problem that the error says: invalid conversion from ...

[5 replies] Last: Hello Fredo25, I encountered another error, for my function which lo... (by Handy Andy)

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