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Questions - assignment-operator

When is it okay/appropriate to use logical assignment in javascript?

I used logical assignments like b = a || [] in Javascript before, and there are many questions on SO about it. To mention some: What does the construct x = x || y mean? JavaScript variable assignment...
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jost21

javascript

error-handling

variable-assignment

logical-operators

assignment-operator

Votes: 0

Answers: 0

Addition of Matrix in C++ using OOP

the following code is not giving the correct output. Matrix data is displaying perfectly, but after the addition of two objects M1 and M2, it did not display the correct output. If I use setData to in...
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BS e-Learning

c++

oop

pointers

matrix

assignment-operator

Votes: 0

Answers: 1

Latest Answer

Copy constructor and assignment operator were both broken. Let's take a quick stroll to see what went wrong Matrix::Matrix (const Matrix &ref){ // noOfRows and noOfColumns have not been initia...
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user4581301

Addition of Matrix in C++

The following code gives me the wrong output. actually, it is not doing sum, it actually copies the 2nd object to the M3 object instead of calculating the sum. I think I have some logical errors in + ...
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BS e-Learning

c++

oop

operator-overloading

copy-constructor

assignment-operator

Votes: 0

Answers: 1

Latest Answer

There are at least four issues with your code: The Matrix copy constructor fails to copy the noOfRows and noOfColumns values. You erroneously allocated the row pointers by using noOfColumns as the n...
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PaulMcKenzie

I don't know really well how to declare a string, (former pawn programmer learning C++)

years ago i was a programmer in a C++ derivated language that was called Pawn, now i want to try to start in C++, write some things to unrust myself from this beatiful thing that is programming No, i ...
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Nicolas Ayala

c++

arrays

implicit-conversion

assignment-operator

string-literals

Votes: 0

Answers: 4

Latest Answer

Since you had quite a few questions packed into your code, I've made some changes and commented on them: //#include <cstdio> // this is the correct C++ header, I won't use it though #include...
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Ted Lyngmo

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