General C++ Programming - C++ Forum

by HotaLIsa

is there anyway i can write ths code in a shorter way?

.....

[4 replies] Last: It is the miracle of encapsulation. PS. I see no input validation. N... (by keskiverto)

by Bad25

C++ Compliler Problems

Hello all together , I had to make a task and have some compiler errors Header #ifndef CTEAMT...

[9 replies] Last: 'nullptr' was not declared in this scope nullptr is a keyword that w... (by keskiverto)

by almostcold56

reading and printing arrays

Hello, I am new to c++ and I have to creat a program that Reads in an unknown number of records from...

[1 reply] : First u have to fill the array named item_number, description and the... (by sylphsang)

by redchem

I need to convert CString Hex ip address

I am relatively new to programming and could use some assistance. I am reading in a CString of c0...

[5 replies] Last: I found the same one and it gave issues with char type cast to CString... (by redchem)

by mkb555

Destructor fails when passing as parameter

I'm programming a linked list and a trie that allows linked lists to be added into it. I've tested m...

[2 replies] Last: Ah, you're right! I didn't think of that! (by mkb555)

by JUAN DENT

Cannot control iostream output to using decimal

I am doing the following: cout << "max: " << dec << numeric_limits<long long>::max << endl; ...

[2 replies] Last: Yes!!! What a dumb mistake I made!! Very good insight! Thanks so much... (by JUAN DENT)

by Mooseman

Counting the number of binary comparisons

I have my code here that asks the user to input a four letter word and then takes the word and searc...

[no replies]

by yocody95

random integer 5x5 grid

I have a homework question where it asks for a 5x5 grid that is filled with random integers ranging ...

[1 reply] : http://www.cplusplus.com/forum/beginner/22286/#msg116627 (by kbw)

by JUAN DENT

Why is default_delete's operator() not declared noexcept?

Hi, Since destructors should never throw (are assumed noexcept even if not specified as such), wh...

[2 replies] Last: Since destructors should never throw (are assumed noexcept even if no... (by cire)

by JUAN DENT

How to find extent of a native array inserted in a unique_ptr?

Hi, How can I find out the extent of the native array in the following code: std::unique_ptr<std:...

[2 replies] Last: Good point cire Thanks ! (by JUAN DENT)

by wh1t3crayon

How to pass a derived pointer in a virtual function?

I'm looking to pass a base object pointer through a virtual function, and in overriden methods of th...

[7 replies] Last: You may want to google for double dispatch to see another approach to... (by wh1t3crayon)

by suhlman

How to resolve particular LNK2001 error?

In order for our project to compile and link successfully the compiler option 'Treat WChar_t as buil...

[1 reply] : when compiling main.cpp you are seeing one declaration of .Connect(), ... (by ne555)

by landlord2017

Assign a result of a logic operation between Eigen/Dense arrays to a std::vector

Hi Friends, I am dealing with <Eigen> library. I can cout<<(PointsSorted.col(0).array()<0)<<endl;...

[2 replies] Last: I have tried, but felt hard to read their documentations. I found Ei... (by landlord2017)

by technologist

dynamic char array size

Hi, I want to make char mystring the size of input. Compiler is claiming it can't do this without a...

[4 replies] Last: Or as Peter said use std::string instead: #include<iostream> #includ... (by technologist)

by Dimension10

make an object move from one space to another in a grid

I have a two dimensional grid of spaces. Each space is either empty (unoccupied) or it's occupied b...

[1 reply] : I would create a class Grid that encapsulates a two dimensional array ... (by Thomas1965)

by Calcushtag

Help me with Exceptions and improvement of class

Here is my class. Where should I use exceptions or try catch. I am really weak at exceptions Any des...

[6 replies] Last: dhayden:...... ajith mk:...... I am coding just for fun for myself.... (by Calcushtag)

by rajhansk

how do they make softwares like blender etc?

I always wonder how do they make softwares like blender?? How many people are there who work on suc...

[3 replies] Last: Yes, well, programs like Blender are rather math heavy and employ a lo... (by Duthomhas)

by Wu zhen hai

a template confuseness

Because there is much code, I will give you a link, you can download it: http://pan.baidu.com/s/1...

[10 replies] Last: Can you trust others? I spend so long time just to transit a virus to... (by TheIdeasMan)

by InsanelyNormal

Dangling pointer?

I think I have a dangling pointer here, causing SIGSEGV Segmentation Fault crashes (usually appears ...

[1 reply] : You don't use pointers. You do use indices. (std::string has members o... (by keskiverto)

by JUAN DENT

How to create a member in the base class after the constructor of the subclass?

Hi, Looking at std::enable_shared_from_this<T> , literature says that its method shared_from_th...

[2 replies] Last: Thanks! Yes, I think the book was not clear on it, because that's what... (by JUAN DENT)

General C++ Programming - March 2016 (Page 11)

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