Q&A Discussões

NullPointerException: Getting this error in my projects while entering data or retrieving data from database?

1 Voto

12 Respostas

3rd Nov 2020, 6:36 AM

Plutos

exception java nullpointerexception servlet

1 Voto

How to change the color and style of '|' sign when entering input with the type text?

21st Apr 2020, 6:59 AM

Rajeev Loghade

css html input

0 Voto

6 Respostas

19th Aug 2020, 9:53 AM

Mustafa K.

Used switch method to display an alert box to user after entering number. But no output is coming

html javascript

1 Voto

6 Respostas

26th Jul 2020, 10:57 AM

Avinash

How do i add while loop for the entering value to be only 1 ?

while

0 Voto

How to keep the loop repeating if the user keeps entering a negative number in Java ?

9th May 2021, 1:08 PM

Gaurav Pantha

else-statements if-statements java loops

0 Voto

I need to add an image in html can u pls help me that what should be the src because I can't see the image after entering src

11th Feb 2019, 2:35 AM

Sharjeel Karim

images src

5 Votos

20 Respostas

30th Sep 2020, 6:10 AM

Sukant Tripathy

How do I get my program to enter the current date and time without me entering it

date python time

1 Voto

Is it possible to create two boxes by entering only the coordinates? If so, please help

30th Aug 2018, 3:17 PM

Caitlin

1 Voto

how can i directly get to code playground?..without entering to the course i want to learn

15th Nov 2018, 6:11 AM

Alejandro Cevallos

code playground

0 Voto

Java if else statement used in restricting someone who's below 18 from entering an adult site

19th Aug 2018, 9:38 PM

Doroles Adolf

18 adult an below else entering from If in java restricting site someone statement used who's

0 Voto

Can a mechanical engg. having almost 2 years experience in automobile compnay, entering IT sector ?

25th Oct 2016, 2:52 PM

Ojediran Philip

core css3 html5 java mysql sql

1 Voto

Please help me with array in java, when entering name it doesn't accept space

26th Jun 2019, 5:41 AM

Amar Babu

java

0 Voto

What's wrong with this code? It's not asking for entering character. I'm unable to input any character.

15th Dec 2022, 1:28 AM

Tori Kim

1 Voto

Hey freinds..I have an problem in entering elements in a userdefined array in sololearn.How can I enter elements in array in c++

24th Aug 2019, 1:12 PM

Kazi Md. Shahriar

arrays c++help

2 Votos

10 Respostas

19th May 2018, 5:00 AM

Yash Nirmal

I have an idea! make programs when entering the player's name will output will test with answer :)

cheat sololearn test

1 Voto

How can I create a login page for my customers before entering into the main page (language is HTML) THANKS

5th Jan 2018, 7:48 AM

Jendlas (Russian)

2 Votos

How to keep a user from entering a character or a word for a number (int) input

20th Mar 2020, 5:37 PM

amaning brandford

c++error if input letter number word

1 Voto

In Python, how can someone input two numbers one by one, without entering at once separated by a line in sololearn editor?

25th Jul 2018, 7:12 PM

Cem

python3

1 Voto

7 Respostas

25th May 2018, 10:20 PM

Halil Rıdvan OZ

I'm entering a string after int in the scanner function and it doesn't show me how to solve the problem

yaseer

-1 Voto

Can I connect two apps into one server.......Like one is for entering datas and the other one is for performing operation?

22nd Dec 2021, 7:40 PM

Yaser

androidstudio database

0 Voto

5 Respostas

5th Apr 2020, 6:09 AM

Riisi Pator

I don't understand why, after pressing a string longer than 4 for the year, entering no doesn't shut down the while loop

loops python python3 while

1 Voto

I'm the unique one that know a little bit of python and anyways enter C++ challenges? I had won entering random answers e.e.

24th May 2020, 5:49 PM

Adeniyi Olaitan

c++challenges python3

2 Votos

9 Respostas

27th Dec 2016, 9:28 PM

Julieta Rossi

what data type can be used for entering string in c++.after declaration i am going to use cin

data data-types

0 Voto

Design simple search engine to display possible websites upon entering a search query.Using data structure for storage&retrieval

8th Oct 2018, 1:14 PM

lakshay

c data send structure

0 Voto

Why when I join BackToSchool, complete a lesson,leave the app, entering again and click join BackToSchool I have to join again?

24th Sep 2018, 4:47 PM

patel vraj

android backtoschool help problem

1 Voto

How to write this question in python?The user can get the area of a sector by entering the angle and radius values.

16th Sep 2020, 6:14 PM

Omar Shahin

python

3 Votos

If i want to design a web page for entering details of a student...how should I start learning and in which order i must learn

22nd Nov 2022, 8:17 AM

abbyyy

css html mysql php web

0 Voto

10 Respostas

19th Feb 2017, 10:57 AM

Mitun Vishwa J

It's ok when I ain't entering p and s but when I enter p and s it is also showing invalid character

problem string

1 Voto

How can i fix when a user Enter a string instant of Entering a number? Help me out!

16th Sep 2020, 2:59 AM

Shubhankar Anand

alert html javascript prompt

0 Voto

hello everyone, I need your advice: why does rounding work incorrectly when entering "3", what needs to be corrected?

30th Jul 2018, 12:29 PM

Chaman Narved

0 Voto

Design a simple search engine to display possible website by entering search query.suitable data structure for storage & retriva

6th Dec 2022, 3:43 PM

Олег Макаров

data data-types structure subqueries

0 Voto

[Python] I want to detect the input value but I don't want to show the entire input entering question in the results.

6th Oct 2017, 5:02 PM

Fatema kapasi

input output python python3

0 Voto

What header files to use while entering a string in sololearn code playground? I used <stdio.h> but it isn't taking input.

22nd Jul 2019, 9:30 AM

Nutchydino

0 Voto

How can I write a code without entering a phrase that is answered with a logical phrase? Or what should I use?

26th Sep 2017, 11:15 PM

Divyanshu

1 Voto

How can I write a code without entering a phrase that is answered with a logical phrase? Or what should I use?

5th Jun 2017, 11:05 PM

omar

1 Voto

Write Html code to design a web page to create a table with 6 rows and 3 columns for entering marklist of 5 students

6th Jun 2017, 9:26 AM

omar

html

-3 Votos

Can anyone check the program below ? I want values to be enter by user but after entering the loop it won't let the values to be

14th Jan 2020, 5:25 PM

Binto Alex

data structure

1 Voto

I'm going to shop and I'm entering product name in the computer then display the product details this how to code in python

22nd Mar 2020, 1:24 PM

Gagan Gupta

python

1 Voto

How to block the jsp page if the page is not accessed by entering correct data in the login form through post method

21st Dec 2017, 1:47 PM

Aravindhan

Jsp

0 Voto

Why Entering 1-10 Will Realize 1 2 3 4 5 6 7 8 910. I know it's caused by%2d, but I don't know why this is the case.

11th May 2017, 12:50 PM

Sudip Koirala

language-c

0 Voto

Hii all .. i wrote an XO game code but i cant end the program when a player wins before entering all the elements any ideas ??

9th Mar 2020, 4:29 AM

Por_Libereco

2 Votos

How can I write script to automate my tasks in windows? And then by just entering a single command on cmd the task should run.

16th Nov 2016, 9:20 PM

Mohammad Akel

command powershell scripting

1 Voto

Need a helping hand : I tried this code str(input("Enter First Name:")) + str(input("Enter Last Name:")) \n print(input) After entering the first name, it gives an error. Pls What's wrong with the code?

22nd Dec 2020, 7:15 PM

Osaamah JuTt

python

0 Voto

7 Respostas

10th Jul 2016, 6:51 AM

Paul Osakue

when I run the code and enter the value of 'a' a letter instead of showing the erroe it's showing the sum.!? and on entering hig

c++variables

0 Voto