Is this a vector? How does it work?

Question

1.00/5 (3 votes)

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C++

QHash<int, qbytearray=""> AlbumModel::roleNames() const
{
QHash<int, qbytearray=""> roles;
roles[Roles::IdRole] = "id";
roles[Roles::NameRole] = "name";
return roles;
}

What I have tried:

Is this a vector? How does it work?

C++

QHash AlbumModel::roleNames() const
{
QHash roles;
roles[Roles::IdRole] = "id";
roles[Roles::NameRole] = "name";
return roles;
}

Posted 17-Nov-20 11:14am

CodeProjectQuestions

Updated 17-Nov-20 21:26pm

CPallini

v2

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Comments

CPallini 18-Nov-20 2:08am

You have also the option of reading the documentation.

Richard MacCutchan 18-Nov-20 3:26am

See my answer below.

CPallini 18-Nov-20 4:58am

Been there, done that, given your solution a 5.

Richard MacCutchan 18-Nov-20 5:12am

You are too generous. :)

3 solutions

Solution 3

How many more times do you plan to ask this question? I have already given you links to the documentation where you can find the answers, please go and study it.
What type of vector is this. Or how does this work?[^]

Posted 17-Nov-20 21:26pm

Richard MacCutchan

Comments

CPallini 18-Nov-20 4:58am

5.

KarstenK 18-Nov-20 8:25am

some people ask til the get the wanted answer like children ;-)

Richard MacCutchan 18-Nov-20 8:27am

:(

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Rick York · Accepted Answer · 2020-11-17T13:21:00

Solution 1

It is a collection so it is sort of like a vector but not exactly. It works like this : QHash Class | Qt Core 5.15.1[^]

Posted 17-Nov-20 13:21pm

Rick York

Comments

CPallini 18-Nov-20 2:07am

5.

Mohibur Rashid · Accepted Answer · 2020-11-17T13:30:00

Short answer no. QHash is not Vector.
Read this document to understand vector - std::vector - cppreference.com[^]
I will refer three documents for you.
* Templates - C++ Tutorials[^] - will explain what templates in C++ is
* C++ - Default template parameter value | c++ Tutorial[^] - this will help you to understand template with default parameter
* QHash Class | Qt Core 5.15.1[^] - this will assist you to understand QHash Class.

Is this a vector? How does it work?

3 solutions

Solution 1

Solution 2

Solution 3

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