Discussions Q&R

C: Why if I enter 45.8 in a float variable and printf it, y get back 45.79999999?

19th Aug 2020, 5:44 PM

Harshit Srivastava

0 Vote

I have to write 2 times for it to read.

2nd Feb 2020, 9:09 AM

Blanca Romero

java scanner variable writting2times

3 Votes

It says you cannot start a variable name with capital letter but it allows its use in 'try it yourself' section..

26th Feb 2018, 12:59 PM

Leonardo Rodrigues

ruby variables

2 Votes

5 Réponses

5th Nov 2016, 5:26 AM

Jnanesh Prabhu

[SOLVED]Assign inputs to variables (python)

assign input python user variable

2 Votes

How to make variables calculate from one another

20th Aug 2018, 11:44 AM

Pau Blasco

coding help python tax variable

0 Vote

5 Réponses

27th Mar 2021, 8:19 PM

FA1

Type in a code to declare variable b and assign a's value to b and print the output to screen

variables

0 Vote

What is the difference between declaring each variable with a type and declaring multiple variables of the same type?

18th Jul 2018, 4:53 PM

S.SAMEERA BEGUM

java variables

0 Vote

Can we use user defined int in the program? Can it be plased in other variable ?plz write program

23rd Jul 2019, 10:59 PM

Elmer Martens

java

1 Vote

4 Réponses

25th Jun 2017, 6:04 AM

Abinash Niure

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

functions python

1 Vote

what is the difference between using the optional and creating normal variable without assigning any value?

27th Jun 2016, 4:20 AM

Aakash Vyas

constants let optionals swift var variable variables

1 Vote

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

7th Oct 2016, 1:00 AM

مصطفى دويدار

c++pointers

3 Votes

7 Réponses

20th Jun 2016, 7:45 PM

Monic@

How to find data type of thr variable in java by using in built function

java

0 Vote

Help! Why is the output of variable String "null"? ("Dies Game" in my profile)

27th Oct 2022, 4:38 PM

Amala Yakin

game help java javagame javahelp null output outputnull problem string variable

0 Vote

What is the value of the variable b after running this piece of code?

29th Sep 2018, 10:31 PM

Rostislav Kravchenko

ado

-1 Vote

Can we use the # symbol and curly brackets with the variable name ?

18th Mar 2021, 5:53 PM

Charityn

ruby variables

1 Vote

If we want to use global variable ina a function, is there any way?

4th May 2017, 1:04 AM

Luis Oscar Salazar Gómez

php variables

0 Vote

How do i modify the function so that it returns the variable result help?

9th Aug 2016, 9:17 AM

Veeshel Khundrakpam

ecma

0 Vote

Is it important to use Pointers and Addresses instead of variable itself in C++?

3rd Feb 2017, 6:43 AM

Alejandro

c/c++

0 Vote

Which are valid C# variable names? Select all that apply PersonAge #PersonName# 1Star Bad_Var

28th Jun 2017, 2:33 PM

Bryan Cayabyab

c#variables

-1 Vote

Can you use a variable that was defined outside a function in a function?

21st Sep 2016, 10:37 AM

Digambar Gawali

functions python

0 Vote

can we change a static variable value by using it on other classes ?

12th Aug 2016, 2:38 PM

nicholas beech

java static

0 Vote

¿Cómo hago para que, al introducir un valor en <input>, ese valor pase a una variable en JavaScript?

14th Sep 2016, 3:07 PM

Jithin Sathianandan

html html5 input javascript

0 Vote

How to change date storedin variable in 'dd/mm/yyyy' different format to yyyy/mm/ dd and store in mysql databases

10th Aug 2018, 3:24 PM

Facu

change date ddmmyyyy format input mysql name=startdate storing yyyymmdd

1 Vote

How can i put a random num gen in a function so i don't have to keep typing out random.randint for every variable.

20th Dec 2017, 6:00 PM

vinayagam D

function generators number random variable

1 Vote

4 Réponses

30th May 2019, 11:16 AM

cody stephens

How can i fetch the value of a variable initialized in Constructor using a class object

classes python

1 Vote

How to measure the length of a String var?

7th Aug 2017, 1:51 PM

Rahul V.Kumar

java length string variable

3 Votes

Hello Solo Leraners, Can anyone help me with elaborate about the $server variable host name method in php?

2nd Sep 2017, 2:09 PM

Robert Sokolov

php

1 Vote

Can i give an integer value to a 'char' variable in C language? Ex- char a = 4;

24th Jul 2021, 2:09 PM

Siddharth K

c language programming variables

1 Vote

String type and float type sum is like an integer

11th Feb 2017, 2:56 PM

Resurektzz7

float php string summation variable

2 Votes

Trying to understand set in Swift

29th Aug 2018, 11:51 AM

Anonymous🍩

set swift variable

0 Vote

What is and how to use static int in c++

9th Nov 2018, 4:04 AM

Spirit Claw

c++static variable

0 Vote

How do I access return both $conn and $status from a function?

9th Nov 2016, 5:44 PM

هونەر عومەر

mysql php variable

1 Vote

Why can’t you directly use the insert method on a list? (see description)

25th Jun 2017, 12:28 PM

ISHTIAQUE BIN IDREES

directly insert list lists method none python variable

5 Votes

7 Réponses

23rd Aug 2018, 6:42 PM

Roger Wang

¿Cómo puedo guardar la respuesta de un formulario dentro de una variable y después mostrarla?

html html5

0 Vote

in this program why variable c access outside of the function..if i put echo $c within function then give some error.

5th Oct 2020, 8:16 PM

Manuel S. Quintero

php solo

1 Vote

How do I round a result to the nearest whole number.... Cos i tried casting but my result variable is printing zero

15th Feb 2019, 4:42 AM

SOUVIK RAY BARMAN

2 Votes

If you declare temporary variable in c++ program with while() loop. What does it mean, what is its assignment?

29th Jan 2021, 5:06 AM

Abdulmuizz Hamzat

c++

0 Vote

26th Sep 2021, 9:09 AM

TeaserCode

What is $_COOKIE ?

array cookie php variable

1 Vote

Write a code to print out the words that start with s in the following sentence stored in start variable

17th Oct 2016, 5:37 PM

Hussein Hallafi

python

0 Vote

How the 'ONE' variable is considered a property(as it is said in one of the module)? There is no accessor here.

8th Sep 2020, 11:40 AM

Vanitha Duraiarasu

#accesors c c#classes constructors objects property

1 Vote

Is it possible to initialize a same variable with same name again and again in different functions...??

14th Oct 2020, 6:12 AM

Rohan Agarwal

java

0 Vote

Is there a way i can make a variable that the value won't reset when closing the window ?

7th Jul 2016, 7:10 AM

Stephen Yuvaraj

js website

0 Vote

What will happen if we add some value in pointer which already have a address of a variable .

5th Mar 2021, 10:36 AM

Abdelrhman Ahmed

pointers

1 Vote

It's a program to find prime numbers between two limits..why here a count variable is used??anyone explain the below code

7th Sep 2018, 5:21 PM

Test 123

c++prime_numbers

4 Votes

Fill the blanks to declare a variable add 5 to it and print its value （what is wrong here ）

7th Jun 2017, 4:00 PM

MUʜAMMED ɪʟʟYAS

python

0 Vote

can an array be my variable name.eg, Var [hour, second, minutes] = [0, 0, 0]; pls explain this expression if it is correct.

29th Mar 2020, 3:59 PM

Fabrice njodzeven

javascript

2 Votes