Q&amp;A Discussions

can we add one integer variable and one string variable????

5th Jul 2016, 7:19 AM

DEATH WALKER

2 Votes

Variable types are not declared while setting a value. then how or what number of bytes are being allocated in the memory?

3rd Jul 2016, 6:37 AM

Manvitha Gottipati

python variables

1 Vote

How to save and load datas into a variable from another file

2nd Jul 2016, 7:30 PM

Protiti sengupta

1 Vote

can i declare the variable with name "@yash"

2nd Jul 2016, 5:55 PM

Leonardo Riglietti

i want to show value that is retrieved from database and stored in variable to text field .<input type=text name="" value =""> i want to show value in it..what is the method to print in python script

0 Votes

8 Answers

2nd Jul 2016, 2:59 PM

DEATH WALKER

python

0 Votes

Can anyone tell me how to use a variable in the pow function in c language.

2nd Jul 2016, 9:42 AM

swapnil Singh

c c++

0 Votes

variable is instantiated means

2nd Jul 2016, 9:06 AM

Infinity

instance java

0 Votes

Does auto-implemented property create private variable of the same type?

2nd Jul 2016, 9:04 AM

Mehul Kadam

c#properties

1 Vote

1 Answer

28th Jun 2016, 7:27 PM

Jacek Chwiła

I didn't undrstand how to set a environment variable

java jdk

1 Vote

Will the code work if "error" is replaced by None?Can a value be assigned to a variable when it is assigned 'None' initially?

28th Jun 2016, 3:38 AM

aryaman

dictionaries python

1 Vote

How to make a user enter sentences in a str variable untill he inputs 0 (zero)?

27th Jun 2016, 7:15 AM

Ashray

functions python

1 Vote

Can anyone tell me how to assign a variable to a function?

27th Jun 2016, 4:20 AM

Aakash Vyas

functions python variables

0 Votes

How to set or clear a bit in a variable without effecting other bits? and also don't use if-else

26th Jun 2016, 4:37 PM

teambrj

c++if-statements

1 Vote

6 Answers

26th Jun 2016, 8:17 AM

Ramesh Marisa

what is the (technical) difference between a pointer variable (<datatype>*) and a reference variable (<datatype>&). which one should be preferred?

c++pointers

3 Votes

if a pointer has its data typ as integer then how can it store the memory address of a variable which may contain character?

25th Jun 2016, 2:09 PM

multimodcrafter

defining a variable x?

javascript objects

0 Votes

11 Answers

22nd Jun 2016, 6:00 PM

Hesham Ismail Ismail

c++pointers

3 Votes

is declaring the name of a variable while using the "while loop" important?

20th Jun 2016, 7:45 PM

Monic@

c++

0 Votes

There is a rule that expalin that a variable can not be upadated twice in an expression. if such things happen the result depends upon the implementation of that specific compiler .

20th Jun 2016, 6:27 AM

souvik singha

c++operators

0 Votes

about the variabile name rules, if I try to call a variable "cout", or any other reserved word, will it result into an error, or is it just a good practice?

20th Jun 2016, 1:12 AM

Utpal Kumar

1 Vote

What is the difference between variable declaration and variable definition?

15th Jun 2016, 3:02 PM

naghree

5 Votes

given three integer numbers and knowing that they form a valid triangle as (int side1, int side2, int side3), how can I use c++ library function max () to write a single statement that assigns the maximum of three sides to the variable sidemax;

15th Jun 2016, 10:54 AM

Boris Atanasov

c++

1 Vote

Why variable name did not declare with no in name?

15th Jun 2016, 3:56 AM

Abdulai Torfik

c#variables

0 Votes

Why do we need pointer? What is the real use of it in real life? I do not get why we need to use pointer while we can just refer to the variable itself?

14th Jun 2016, 2:04 PM

Muhammad Waqas Bilal

c++pointers

2 Votes

8 Answers

12th Jun 2016, 6:04 PM

Moona Arita

why we r using different variable lik cx cy fr circle.. x y fr rect and x1 y1 fr line???

html html5 svg

2 Votes

In PHP don't exist the 'char' type? If I declare a variable with one character it is classificate with a String?

8th Jun 2016, 3:21 AM

Govindhrazz Allu

we could have print the value of age variable directly in the class, then why use this.age ?

0 Votes

1 Answer

30th May 2016, 11:56 PM

Diego Veronez Nunes

c#this

0 Votes

How are the values of value types found (by the program that is using them) if we don't have their memory address stored? E.g., what is the address in memory of the variable x = 10?

4th May 2016, 6:57 AM

Umesh Kuniyal

c#objects

2 Votes

Is $_SERVER variable an array?

4th May 2016, 12:41 AM

Mark

php predefined-variables

4 Votes

Shouldn't a variable start with a lowercase like "personAge"?

16th Apr 2016, 7:55 AM

Ajay Verma

c#variables

0 Votes

Why does the NUMBER variable still change although i declared it as final?

14th Apr 2016, 3:26 PM

Elijah (ELi)

final java

0 Votes

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.

14th Apr 2016, 11:59 AM

Pavitran

java static

2 Votes

1 Answer

30th Mar 2016, 12:10 AM

xDD90x

How do you differentiate a method and a variable of an object?

javascript methods objects

1 Vote

I don't quite get this, it means that if I have an array, say 3 elements, when I say foreach($elements as $element) every one of this three elements will go one by one to the variable $element?

11th Mar 2016, 4:47 PM

yujjjkjh

loops php

2 Votes

The type of variable is auto-defined by assigning a value to it? because in java, we have to declare the type of variable before assigning value

10th Mar 2016, 9:02 PM

Eduardo Tito

0 Votes

The type of variable is auto-defined by assigning a value to it? because in java, we have to declare the type of variable before assigning value

6th Mar 2016, 4:07 PM

ThisTNTSquid

1 Vote

I wonder. Since we don't need to declare a variable, does this mean that a variable which first I assign a numeric value can be assigned later with, for example, string value?

6th Mar 2016, 4:07 PM

ThisTNTSquid

What if I create a private variable inside the main class, would that mean it'll be available in other classes? What do private variables even do?

3 Votes

8 Answers

2nd Mar 2016, 4:41 AM

Ade Kurniawan

access-modifiers java

5 Votes

Can someone explain me again variable variable?

27th Feb 2016, 11:30 AM

Pavitran

php variables

0 Votes

What is the practical value of initiating more than one variable inside the first statement of a for loop?

25th Feb 2016, 12:26 AM

Mrigank Chaurasia

javascript loops

0 Votes

For a variable parameter, is var written before or after its external parameter name?

29th Jan 2016, 1:20 PM

Erlin Goce

functions swift

0 Votes

global variable can't be used anywhere in the program?

16th Jan 2016, 3:13 AM

Sharon Chen

php variables

0 Votes

5 Answers

15th Jan 2016, 7:43 AM

Vikas Kumar Choudhary

What happens if I just declare the variable "sum" but don't put the initial value? For instance, if instead of saying "int sum = 0;" , I said " int sum;"

1 Vote

Why would İ prefer to use a variable rather than a constant?

3rd Jan 2016, 10:16 PM

Lucas

c++constants

0 Votes

6 Answers

29th Dec 2015, 6:25 PM

Kevin Kiambe

What are the defaults? If you just state a variable int x; What is the default size and is it automatically signed or unsigned?

c++data-types

1 Vote

Why bother with the return of a variable that never gets document.write?

2nd Nov 2015, 4:51 PM

OTheB

functions javascript

0 Votes