Discussions Q&R

Is sololearn wrong to use var instead of Const or let during creation of a new object

9th Jul 2017, 3:53 AM

Kushagra Agarwal

0 Vote

Hello fam! Please, when should i use a var, let, or const to declare variables in JavaScript?

15th Mar 2023, 12:28 PM

Alex Wairegi

javascript variables

1 Vote

const int N= 5; int a[N]; did I can change the value of N?

25th May 2020, 9:10 PM

Infinite

c++

1 Vote

Look at the code snippet below: const float * ch = &c ;

11th Dec 2016, 12:03 PM

Eric Lai

answer it please

-2 Votes

Fill in the blanks to declare a constant num and an arrow function calc. num = 5; const calc = (x, y, z = num) {

10th Aug 2017, 4:21 PM

PULKIT BHARDWAJ

Given the following code how can we confirm the data type of examplevariqble? Const exampleVariqble=5

-4 Votes

8 Réponses

4th Apr 2019, 2:18 PM

Jonathan Rukangira

0 Vote

In Java why final keyword is used to make the variable as a constant instead of there is a const keyword available???

31st May 2022, 10:16 AM

ALEX MWAURA

const final java keyword

15 Votes

11th Feb 2018, 9:16 AM

Abhivarshini Maddala

Output of C++ code

ascii c-cast c++char const

0 Vote

in the below post JavaScript code why he used for loop? we can just print the const right?

19th Apr 2021, 4:13 PM

Edward Finkelstein

Can anyone give me a programme in which the const variable tries to call a regular function and ends up as an error

0 Vote

5 Réponses

1st Sep 2020, 8:23 AM

Mr. 12

constants

1 Vote

16 Réponses

12th Apr 2018, 5:16 PM

tarun singh naik

How the code actually work?

c++char*const cout strings

6 Votes

11 Réponses

30th Oct 2018, 10:56 PM

オレンジ

window.onload = function() { alert("Comment your quiz score and percentage i dare you wont score upto 100%😁lol") const quizDa

what is the difference between const and # define function and where it can be used

0 Vote

5 Réponses

20th May 2023, 5:28 AM

KIDS ALL KIDS

constants

0 Vote

Why do we need to declare our variables, members or classes as static or const ?

27th Jan 2019, 7:17 AM

SaiRam

c#static

0 Vote

{int x=1; cout<<" ×:"<<x<<endl;} in this programe how i can change the value of x, which opposite the const keyword

1st Jul 2017, 5:14 PM

Haider Ali

c++variables

4 Votes

now i understand const cannot be reassign unlike var so so what is the essence of using it (const)

13th Sep 2016, 9:39 AM

Bint E Asif

0 Vote

=>>What is the difference between '#define' and 'const int (global)' in C++ ?

4th Jan 2019, 12:14 PM

yaqub abdulmalik

c++const define

4 Votes

Why no one uses 'const' and 'let' in JavaScript? Should I use it ?

11th Sep 2018, 1:14 PM

Alpha Rays

const javascript let

3 Votes

30th Sep 2017, 5:04 AM

Utkαrsh

Weird

add char const int

4 Votes

Attempting to use macros to define unsigned long in C. Should I use typedef or const instead? Is this bad practice?

13th Oct 2018, 3:04 AM

Juan Sebastian

c macros

1 Vote

herefinal is written for const Value then if i changes the value of PI then it should be error then how its givingtheuser value

22nd Aug 2018, 4:15 PM

NULL

final

0 Vote

9 Réponses

29th May 2018, 8:01 PM

Anjali Srivastav

Can we change const object's variables by first making a pointer to it and then using the selection operator -> ??

c++

1 Vote

3rd Sep 2019, 5:13 PM

DÄRK PRÌÑÇÉ [ Inactive ]

Var vs. const/ let

const let var

0 Vote

Why I am able to modify values into set ?

8th Sep 2018, 12:36 AM

Jondalar Cook

c++const set

0 Vote

I can't define constant char pointers

12th Mar 2022, 8:51 AM

Ketan Lalcheta

char const pointers

2 Votes

#include <Stepper.h> // Define pin numbers for mode selection buttons const int motorSelectButtonPins[] = {2, 3, 4}; // Pins fo

22nd Sep 2017, 9:44 PM

Yusuf

0 Vote

I need to know what is the main purpose of becoming an obj of class and const (const MyClass obj;)

24th Oct 2024, 6:52 AM

Aditya Nakka

c#c++constants

2 Votes

In classes and objects when we use const keyword for a data member , we use constructor! I know that

1st Feb 2017, 4:03 PM

Ilidio Jelson Isaac Paulino

c++

0 Vote

constexpr : use, meaning and importance

18th Sep 2018, 9:07 AM

Bunny

c++c++11 const constexpr

0 Vote

6 Réponses

29th May 2020, 6:11 AM

Ketan Lalcheta

constant variables in python

const constant python

1 Vote

Is it ok to use const keyword before the void(or any return type) while declaring and defining the constant method of object?

7th Oct 2020, 12:11 AM

Shreyaansh

c++syntax

1 Vote

81 Comments const Fill in the blanks to make a constant named total and the variable i that is only accessible inside the loop.

16th Feb 2024, 4:43 AM

Yogeshwaran P

-1 Vote

Cant we use static cast on double for std::array size?

29th Oct 2021, 3:49 PM

Kniffin Haruka

c++const static_cast std::array

1 Vote

21st Sep 2023, 6:20 PM

Ketan Lalcheta

var is useless?

const javascript let var

1 Vote

c++const copy_constructor l_value r_value reference

27th Mar 2018, 12:41 PM

dCook

Copy constructor

1 Vote

12 Réponses

29th May 2020, 8:30 PM

Ketan Lalcheta

Program; Uses Crt; const n= 15; Var a: array [1..n] of integer; i, j, nOst: integer; Begin Randomize; writeln('выводим ма

java

-3 Votes

Which type of error it will be, if any function or a pointer tries to make changes to the value of const variable?

1st Dec 2016, 1:41 PM

bakitjan

c++constants error type variables

1 Vote

Declaring Global Constants in JavaScript.

19th Dec 2016, 5:14 AM

RSx

const constant global javascript

0 Vote

SoloLearn has plans to support ECMAScript6? When?

3rd Aug 2020, 11:36 AM

Arnesh

const developers ecma ecmascript let

4 Votes

What is (const auto& i) in C++ ?

20th Apr 2018, 10:54 PM

Vinny Reis

auto&c++code const for loop

3 Votes

9 Réponses

6th Apr 2018, 1:57 PM

777

C++ code

c++const dereference increment pointer

2 Votes

27th Jan 2021, 9:00 PM

Edward Finkelstein

String const-ness!!!!

c++casts chars const

1 Vote

How this code's output is 12?

25th Dec 2018, 7:20 AM

Mensch

c c++const pointer sizeof

0 Vote

c#const constants readonly

21st Apr 2020, 7:02 PM

Ashfaq Reshad

why there is no output?

1 Vote

Why we need to put const in front of array of string , dealing with enumeration. I want to convert from number enum to string

6th Aug 2017, 2:06 PM

Raffi Ohannesian

bool c++const enum enumeration friend inheritance keyword return string

0 Vote

Can someone tell me the difference between the declaration of these two fuctions in a class?

29th Dec 2018, 11:38 AM

Nikola

c++classes const cpp method-declaration

0 Vote

One constant with different elements

23rd Apr 2021, 7:20 AM

Mihail

c const if-else question

0 Vote

[solved]How is 'final' keyword different from 'const' keyword in java??

14th May 2018, 11:21 AM

Alireza

akshay_jain const final java keywords

1 Vote