Q&A Discussões

There is a code in the description and this code returns a exception ('str' object is not callable). What does it mean ?

6th Dec 2021, 12:45 PM

wol_f gaming GR

python

0 Voto

Python non consistent Object-variable identity?

5th Jun 2020, 3:31 PM

VIMALRAJ P

identity lists object python3 variable

1 Voto

What does Test& Test::func () mean?

11th Jul 2018, 5:19 PM

Jose Berlines

c++class object pointer this

0 Voto

In C++, why we can not create object of abstract class and we can just create only pointer/referance of abstract class?

11th Jun 2020, 1:02 AM

Prashant Pant

0 Voto

Return Math.random() between range?

11th Jul 2019, 12:44 AM

Amit chavare

html javascript math object random range web

3 Votos

why the object pass to the friend function in declaration is different from invocation? (declaration with & and calling without & operator)

8th Jul 2018, 8:14 PM

Joshua Morgan

c++classes friend

0 Voto

23rd Jun 2016, 10:37 PM

Hosein Aghajani

Am I correct

c#class classes games object

1 Voto

Can I use classes in Python like in Java?

4th Feb 2019, 9:07 AM

Raptor Bot

class classes java object python

3 Votos

Need suggestions for class and object.

12th Dec 2017, 8:50 AM

TuniSenpao

beginner c++class object oriented

5 Votos

Constructor of every object in vector is called everytime I add a new element. How do I resolve this?

30th Aug 2017, 3:39 PM

jan afridi

c++

0 Voto

I want to style em line 29 in class with object l. Style position and bottom. Thanks you sir.

27th Mar 2017, 1:09 PM

denzal maradona

em.style

-2 Votos

C++ program for student details& print the same pointer to object & pointer to member function.create a class student

3rd Jul 2021, 2:42 PM

Malick Diagne

c++

-6 Votos

Is there any difference between creating new object with the default copy constructor and declaring a reference to it?

14th Nov 2017, 1:35 AM

SRI VISHNU T

c++copy_constructor reference

0 Voto

Why it is said here that when passing an object to function it must be passes by reference ?

26th Nov 2016, 3:29 PM

Marcell Juhasz

c++classes friend

0 Voto

How does one assign the value obtained of concatenation of two string variables to an object type identifiers' initialization?

24th Jul 2017, 4:57 PM

Amit Sharma

1 Voto

hi guys, need some help, I cannot initialize the array inside of class how to do this properly,

17th Apr 2017, 10:27 PM

Mandla Phillip Ndimande

arrays c c++class object oop

1 Voto

5 Respostas

14th Jul 2021, 8:44 PM

Aleks kryzhanivskyi

Can we find the value of object (address stored in memory) stored in the reference variable of object?? how? Pls give examples.

java variables

1 Voto

Scientists measure an object’s mass in kilograms and its weight in newtons. If you know the amount of mass of an object in kilog

5th Oct 2016, 12:22 PM

Ravindra

helo

-2 Votos

Unexpected Output In Javascript!

19th Feb 2020, 10:50 AM

Ashade Philip

but declaration else expected javascript object output something unexpected variable

14 Votos

【Javascript】Objects / Can this get only one result?

30th Sep 2020, 2:07 PM

Narayan Krishnamurthy

beginner error javacript object objects result

0 Voto

6 Respostas

25th May 2018, 12:13 PM

Ayumi

How to covert list of Strings to int ?

arraylist class int java object split strings to

1 Voto

12 Respostas

4th Jul 2018, 4:43 AM

Shamsulhaq Alkozay

Under Java->More on Classes->Polymorphism, to create an object of an inherited class, " Animal a = new Dog();" is used. "Dog a =

java polymorphism

0 Voto

What is wrong with my code

20th Aug 2018, 4:25 AM

Dinesh Kumar

and class in object python

0 Voto

Did I understand right about objects and classes? Class is the draft, but object is thing, which is made using this draft.

2nd Nov 2020, 7:56 PM

Vincent Birma Reuben

classes java objects

1 Voto

Most difficult Question in Java Observe Carefully the Question like and share

10th Dec 2016, 7:21 AM

Nochains

class constructor java method object static

2 Votos

6 Respostas

6th Nov 2016, 1:47 PM

Jenny Lance

How do i get the value of an input and display it on the html document if name exist in an object property ?

javascript objects

0 Voto

I created a contact object and added a print method to it.. the problem is I get an error code saying no input

17th Jul 2021, 2:36 PM

Mark Davis

javascript methods objects

0 Voto

20th Jul 2021, 3:36 PM

Adigwe Leo

C++ OR C#

c#c++framework object

2 Votos

Could you help me with this code I use Spyder and a form designed in QtDesigner, I get error 'str' object has no attribute 'plot

30th Dec 2016, 3:07 AM

Baraka Mulungula

python3

0 Voto

How is a property created?

19th Nov 2020, 8:57 PM

Astrid

class created decorator object of oriented programming property python subclass

5 Votos

Challenge 3.2 Add to cart / Shopping Cart

12th Jul 2020, 2:27 PM

Dhairya

addtocart forloops go golang instance methods object range shoppingcart

-1 Voto

How to use newline statement in print function? How to print the color of the object in next line in below code?

28th May 2021, 1:45 AM

Lucas Kliemczak

&classes objects python3

0 Voto

Could someone explain me please, why is useful a pointer to a class' object, if I can simply use the name of the object in the class?

7th Aug 2020, 2:31 AM

Ashish Singh

c++classes pointers

1 Voto

Friends can you help me to understand this, please 😣😢

30th Jan 2016, 4:33 PM

Matias Beraldo Fernandez

help object oriented programming sololearn

3 Votos

please how can you make the user to specify the values of an object for example you have already create the age property but you

28th Jan 2018, 12:33 PM

Ujjwal Kumar

javascript objects

1 Voto

what this statement is called. Class_name object=new class_name ();

12th Aug 2017, 8:23 PM

Oluwaseun Ogunlana B.

class constructors creation java new object operators

2 Votos

8 Respostas

20th Oct 2016, 7:09 PM

Aqueeb Jawed

Accessing an object’s member functions through each type of object’s name, a reference to the object or pointer of object.

8 edition

0 Voto

Seekg(sizeof(z)) if z is an object and i didn't give any ios::__ then what will be default beg cur end??

10th Jul 2017, 9:25 AM

Saad Ahmed

c++class data_file_handling default object seekg seekp structure tellg

0 Voto

11th Feb 2017, 12:23 PM

ShIvam Rawat

Error

error int object python python3 runtime

0 Voto

How can I declare a class in JS?

18th Mar 2020, 3:47 PM

Zohal

class javascript js object oop

3 Votos

26th May 2017, 2:40 AM

Eric Ruiz

error in defining class

no object python takes

-1 Voto

In most cases, we want a copy constructor in object oriented program in java..I actually do not understand why do we use it!!!!

9th Nov 2017, 12:13 PM

priyam mehta

java

1 Voto

Need help with JavaScript recursive nested objects & arrays

5th Mar 2017, 8:50 PM

Rea

array arrays javascript nested object objects recursive

6 Votos

Can we destroy an instantiated object manually and call its destructor before we exit the scope which it was declared? (C#)

25th Feb 2019, 6:21 PM

Wubba Lubba Dub Dub

c#destroying-object destructors

0 Voto

15th Feb 2017, 9:58 PM

SIMOMEGA

Processing language

java launguages new object processing visual

2 Votos

I have an array of objects , now i want to add a new object to that array by checking if the value is unique . how ?

20th Jun 2019, 12:52 AM

Spartanguy1031

arrays java objects

1 Voto

Is this how casting works??

15th Jan 2017, 9:42 AM

Max Justice

casting class downcasting instance java method object up

2 Votos

7 Respostas

27th Nov 2016, 10:49 PM

Mista Ben

I want to do a spaceship battle (2 planes, lots of bullets) and I have a few doubts...

c#class collision method object planes programming

3 Votos