Q&A Discussions

Why an empty class also internally contains default constructor after compiling?

12th Apr 2019, 2:06 PM

Winser Espinal Herrera

.class compiler constructor decompilation default emptyclass java

0 Votes

Can't save file in Playground? When I reopen the file it is empty :(

8th May 2017, 5:38 PM

Pintu

php playground

0 Votes

9 Answers

15th Aug 2016, 9:08 PM

stevv

Autofocus empty input box during challenge when check is tapped

autofocus challenge input_box

1 Vote

What is the meaning of empty curly braces in for loop?

22nd Nov 2017, 8:25 PM

Abdul-Wahab Iddriss Raaj

c for loops

1 Vote

how i can block or avoid user to leave textbox empty in html.

9th Apr 2020, 2:05 AM

Yash Chaudhari

css css3 html html5 text xhtml

0 Votes

6 Answers

4th Jan 2018, 6:01 PM

Karim Abdallah

What would be the need of empty list in further?

lists python

0 Votes

Can't able to delete the empty array element in Php

7th Aug 2016, 3:43 PM

1604003_Eftikhar

php

0 Votes

What is the size of an object of empty class in C++ and Java?

25th Jan 2019, 6:37 AM

Saurav Kumar

c++classes java sizeof

3 Votes

How do i remove an empty line from a string of lines

29th Mar 2019, 4:52 AM

Raman Kumar

,parsing ,strings python3

1 Vote

What's the point of empty tuple if it cannot be change?

11th Oct 2017, 1:56 PM

Aaber

python tuples

1 Vote

Why my "lesson" section is empty even though i have completed Python 3 course? 🤔

3rd Aug 2016, 8:11 AM

Horza Redfield

lesson

5 Votes

Why did added an empty double cotation marks at the definition of the variable

14th Oct 2020, 12:05 PM

‎Keshav

javascript math

2 Votes

6 Answers

12th Mar 2017, 7:32 PM

Ahmed Taha

Why create an empty tuple "tp=()" if I can't assign values to it later on? What useful function could I get out of an empty tuple?

python tuples

0 Votes

How to move checker pieces to other empty adjacent cells with JavaScript?

1st Aug 2016, 10:56 PM

Mohamed Shoukry

javascript

1 Vote

How can I skip empty rows when reading a csv file using Scanner in java?

5th May 2024, 5:51 PM

Timothy Njiru

csvfile java readfile scanner

3 Votes

How the Result is 120 ??? And why curly braces empty here???

22nd Jan 2021, 12:22 AM

Sattar

node.js

0 Votes

how to add letters as keys in an empty dic when the input is a text

3rd Jan 2023, 11:09 AM

Mohammad Tausiful Alam

python

0 Votes

7 Answers

30th Jun 2022, 7:16 PM

Maria imram

Hello to everyone. How can I get the output {} if an empty string is entered

dictionaries iterators python3

0 Votes

7 Answers

13th Jul 2020, 6:51 AM

Михаил

Question about forms

_f1_empty forms input

12 Votes

Hello ,how i can insert variabl empty in my db my example ↓ i want to let pass and email empty ! How i can do that please help

11th Jul 2018, 2:48 PM

_F1_

operators

0 Votes

How to concatinate square bracket to text only if array is not empty

13th Jun 2018, 5:22 PM

Ahlam

concatinate php

0 Votes

"Falling short of empty space on primary memory" what does it means?

3rd Apr 2020, 10:52 PM

pap

c++

1 Vote

Shouldnt all strings have a value or something the says it could be empty or it might have a value. But making it empty isnt that wrong?

29th Jan 2017, 2:36 PM

Arya DRJ

empty strings swift

1 Vote

How to assign empty textfield value as 0 in java applets?

9th Mar 2017, 6:12 PM

Raheem Steward

java

0 Votes

Ruby interprets the length of a non empty array as 0

24th Aug 2017, 3:21 PM

Leo

dividebyzeroerror functions reverse ruby

0 Votes

Why its output is an empty list.i expect 6 as output but it not come

26th Feb 2017, 8:55 AM

Michal Nemecek

list python

0 Votes

5 Answers

19th Apr 2020, 11:46 AM

Ashish goyal

In Python hen i run my programme it get an extra empty line, how to avoid this ?

mohamed

1 Vote

7 Answers

13th May 2022, 5:39 AM

Abdelwahab Ghassan Sabbagh

Declare an initially empty string array in c, and depending on user entry (char input).

arrays c

1 Vote

Please give an example of where there is a need to create an empty tuple.

19th Jul 2021, 6:35 PM

Abdurrahman Azaz

dictionaries lists python tuples

4 Votes

[Python] How to correct my code to remove the empty list from the array?

28th Feb 2017, 11:20 AM

Арсен Дарбишев

python

1 Vote

After running the code , the second placeholder in the template stays empty

18th Nov 2018, 11:42 PM

Wb Z

docxtpl tkinter,

0 Votes

“Without requirements or design, programming is the art of adding bugs to an empty text file.” - Louis Srygley"(ProgWisdom)

20th Mar 2024, 7:05 AM

Yacine Becha

art is programming the

19 Votes

How can i find the empty cells in a table using css and style them?

19th Jan 2018, 1:30 PM

John Lloyd V. Dela Vega

css html

1 Vote

C++ program that will define empty and booked seats for a cinema hall administration

26th Aug 2020, 2:46 PM

parsa

arrays loops

-2 Votes

Why is the sizeof an empty class is not zero in c++?

22nd Jun 2021, 2:12 PM

Sujuma

c++classes sizeof

0 Votes

Python - Given a,b, *c, d = 1,2,3 how come c is equal to an empty list?

15th Jan 2018, 4:21 PM

Irfan

python

2 Votes

Why <br> and <br /> are same? and what is empty HTML element?

8th Nov 2020, 12:58 AM

Solus

html

0 Votes

How can i know if a list is empty or full without using the lenght function?

6th Aug 2016, 6:08 AM

Raviyank Patel

lists

0 Votes

What is a size of empty class in cpp? Why it has that much of size?

2nd Jun 2018, 8:02 AM

SlowFast

classes cpp

1 Vote

Can i update a table in which there is no data . Initially empty

5th Aug 2020, 5:17 PM

Rushikesh Kate

c#sql

1 Vote

How to create an empty varaible (with no object) in Python. --- for an algebraic equation... ?

9th Dec 2017, 7:57 AM

Dheeraj Sharma

algebra empty-variables python

0 Votes

5 Answers

11th Jun 2019, 5:55 AM

Rayyan Nafees

If tuples are immutable, so what is the benefit of creating an empty tuple ?

python3 tuples

0 Votes

Why <br /> element is an empty element and why it has no end tag?

12th Apr 2019, 12:04 AM

Mohamed Ramadan

html

1 Vote

PHP form not working WHY? IT must warn user if blanks are empty

26th Mar 2017, 10:52 AM

Jar Vis

form not php working

0 Votes

Is it possible to manipulate an empty dictionary (created in one file) from another code?

10th Jun 2017, 11:03 AM

Nodirbek

dictionaries python

2 Votes

What is the use of the empty set,list, tuple, set and dictionary ?? I can't get it

5th Jun 2017, 4:00 PM

C H U K W U E B U K A

dictionaries lists sets tuples

2 Votes

Need help! I don't know how to express if statement, if original string is empty and integer is 0?

10th Sep 2019, 7:21 AM

Muhammad Zain

c++if-statements

0 Votes

5 Answers

12th Jul 2022, 6:49 PM

TeaserCode

"scanner myvar = new" is new a value here? Like saying this is empty for now?

input java

1 Vote