Q&A Discussions

The program is working like this, but i have problem declaring and calling the functions using pointers in 2D arrays

13th Oct 2016, 7:42 AM

Sandeep reddy

cplusplus functions homework pointers sudoku

0 Votes

5 Answers

31st May 2020, 3:53 PM

Hussein.H

Hey Guys, can you please explain to me the difference between const, var, and let please when declaring variables on JavaScript

development html5 javascript web website

1 Vote

Why can't you access the object's indexes without declaring them? I thought an array has indexes automatically

17th Jan 2021, 4:28 AM

night_cafe

0 Votes

I want to find total number vowels present in a string by declaring a vowel string first and then by comparing two string .

12th Oct 2016, 10:34 AM

Whitemill

3 Votes

6 Answers

8th Jun 2019, 2:41 PM

SOHAN SARKAR

What is the difference between declaring two classes as friend and allowing a class to inherit privately from another class?

c#c++classes java python3

4 Votes

Why we are not using void main for declaring a function? Instead we are using such as int?

11th Nov 2016, 4:05 PM

User3827

c++functions

0 Votes

When declaring a pointer to a variable, do we need to initialize to NULL all the time? Why?

19th Oct 2016, 2:53 PM

Abhay Selva

c null pointer

1 Vote

on declaring : range (10) is it giving random numbers in range of 10 or in order

30th Dec 2018, 8:46 AM

Konybud

python

0 Votes

Why can't we declare a variable length array in struct in C?

27th Oct 2016, 4:12 PM

Arya Somanadh

arrays c declaring struct

0 Votes

How do JavaScript allocate memory for variables and why don't it require (data type) type while declaring a variable...

5th May 2018, 7:41 AM

srihitha reddy

data-types interpreter javascript memory variables

1 Vote

We can call a method without creating object of the class by declaring it as static, than what is the need of creating object?

30th Jan 2019, 7:11 AM

sss

java

1 Vote

Y would i ever want to declare a variable from heap than declaring in normal way(i dont what its called? :D)

11th Feb 2020, 3:06 PM

Piyush Srivastava

c++

0 Votes

Do I save a memory when I'm declaring an array, instead of storing a list of values, or I will just save the time? [answered]

11th Oct 2017, 10:06 AM

suryapoojary

arrays java

7 Votes

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

2nd Mar 2017, 7:48 PM

AdaMM

c++syntax

1 Vote

Output is 21212 but how? And what does m++ here means and even after declaring i as int 2 times why it's not showing any error?

16th Feb 2024, 4:43 AM

Yogeshwaran P

output

6 Votes

In c what is meant by char *s? I know char s is declaring s variable of character but what * means?

1st May 2017, 3:44 PM

Vineet Mishra

0 Votes

So declaring a variable as the same value results in a syntax error? but re-declaring the variable is okay?

22nd Jul 2018, 11:10 AM

Saurabh Jankat

c++variables

0 Votes

It is always necessary to write a line for declaring the value as 'visible' or you can skip this?

1st Aug 2017, 7:03 PM

Isaiah

css visibility

1 Vote

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

4th Aug 2016, 12:03 AM

Ángel Morales

c++copy_constructor reference

0 Votes

How can one securely transmit HTML's sentive data to a server besides declaring "post" value to method attribute in form tag?

26th Nov 2016, 3:29 PM

Marcell Juhasz

html javascript

0 Votes

Why do we need a constructor to set up start values for attributes when we can already set them right after declaring attributes

8th Jan 2020, 2:35 PM

George Onyango

attributes constructors

1 Vote

Why is it important to put the value of zero when declaring a variable and in c++, whats the purpose of return 0?

27th Apr 2017, 4:20 PM

Tina

c++,java return

2 Votes

Hi, guys i wanted to ask is it really a must to add the keyword class when declaring a function template or can any word be used

24th Feb 2017, 1:36 PM

Allen Villanueva

c++templates

0 Votes

7 Answers

6th Jun 2017, 3:48 AM

Suleiman Mwacharo

Accessing an initialized variable value outside a for loop?

a declaring for java loop outside variable

7 Votes

What does the scope resolution operator '::' do in c++? Why do we have to use it while declaring the function outside the class?

24th Oct 2017, 11:11 AM

D_Stark

c++operator resolution scope

1 Vote

Can I create 2d or 3d matrices just by declaring it's elements one by 1 in loop like a[i][j] by looping I and j? (In python)

21st Jul 2019, 7:41 AM

Merlyn J

lists

2 Votes

Is there any restriction for declaring a pointer variable p1 which holds the address of another pointer variable p2 and so on.

25th Dec 2017, 4:17 AM

Shreyas Ganapathï

c c#c++

0 Votes

When it comes to a class what is the difference between declaring a public variable, and a private one plus using an auto implemented property?

9th Nov 2016, 2:23 PM

gowtham

auto c#implemented properties property

1 Vote

I understand how declaring a variable as static affects its relationship with objects, but I'm having difficulty understanding how doing so with methods has an affect.

25th Aug 2016, 1:27 AM

William Allen

java static

2 Votes

in the LIMIT section it is said that the offset starts from 0 then why in this BETWEEN section rhe example is not like that...we are declaring from 3 to 7 and it is displaying from 3-7...as per said in the LIMIT it must have started from 4...can anyone explain this please???

30th Mar 2016, 12:10 AM

xDD90x

sql

2 Votes