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In SQL, is it a must I indicate a primary key? Can't my first column which has int as datatype be the primary key by default?
keys
sql
tables
1 Voto
3 Respuestas
27th Mar 2019, 5:20 PM
Babatunde Akinola
php sending mail problem,processing this code display msg success but i can't get any mail in my mail id.
sololearn
0 Votos
1 Respuesta
23rd Jul 2019, 6:25 AM
SOUVIK RAY BARMAN
I have been trying the BMI calculator but is not working out and gone back to learn but still I can't do it.
been
have
i
-1 Voto
2 Respuestas
12th Dec 2021, 8:14 AM
Mut Ana
Please don't take QA forum as a tutorial. Ask questions that you can't solve. Don't just ask, what is class, what is function...
code
forum
question
3 Votos
1 Respuesta
9th Dec 2016, 9:12 PM
Rishi Anand
I can't see any notifications . The recent notifications i get are 4 months old . What is that supppsed to mean ? Anyone ?
sololearn
3 Votos
2 Respuestas
19th Sep 2017, 4:32 AM
Kash
When I try to open the 19 Lesson of java the app gets ctushed and I can't do anythin' . Please help someone to solve it
19
crash
lesson
problem
1 Voto
2 Respuestas
11th Jun 2022, 10:29 AM
LackMuss
So I downloaded android studio but when it runs it says it can't find android sdk . And I have no idea what that is ! Tlmewttodo
android
androidstudio
download
proxy
question
run
sdk
studio
1 Voto
2 Respuestas
22nd May 2018, 7:03 PM
ola salih
hey, i am new and i just can't understand something in the math thing, if case1 wants like 16 but case2 wants something differen
help
0 Votos
2 Respuestas
10th Jan 2022, 3:35 PM
Pizza Is Cool
Hello guys I'm new In programming can you give some help? In python topic "other numerical operations" I can't get "Quotient & R
numeric-operations
python
-1 Voto
4 Respuestas
7th Jul 2017, 6:30 PM
$@M!
Hi, I was wondering why can't we do this kinda competition on PC as well? And it would be great if given projects to complete.
code
programming
1 Voto
3 Respuestas
13th Apr 2017, 6:10 PM
Biraj Adhikari
friends, my head is loaded..can u plz remind me where i can find @media query lessons, is it in html5 or css?...i just can't get
0 Votos
4 Respuestas
3rd May 2017, 3:55 PM
Kelvine De Danielo
I almost finished html fundamentals and css but I can't build anything. This means I'm not made for this? Would be very sad
noobforlife
0 Votos
3 Respuestas
22nd Feb 2017, 10:08 AM
Bogdan Dekker
JavaScript | Switch Statement | Can't Find the Error or Bug Please someone help me to find that Bug or Error
javascript
statement
switch
0 Votos
1 Respuesta
29th Sep 2022, 7:02 AM
iSharafatHussain
Hi, i code a primary database and after runing it's showing error in it. And I can't able to find what is the error. Please help
c
0 Votos
2 Respuestas
4th Jul 2021, 2:53 AM
Aman Singh
Can someone tell me what is wrong with this code?It's my first time trying canvas and I can't figure out what is wrong with it
canvas
code
html5
javascript
lesson
0 Votos
3 Respuestas
2nd Sep 2018, 9:36 AM
prime omondi
What's the use of header? why to use header can't we do it with normal text tags <p>, <h1>?
html
html5
0 Votos
1 Respuesta
9th Aug 2016, 6:13 AM
Adil Farooq Awan
Why can't we assign a variable in python like this it gives an error, example : myvariable = 052
python3
1 Voto
1 Respuesta
20th Jan 2018, 5:05 AM
Akshay Patil
In Code Playground,I saw people coding in Web. Why are there separate codes for HTML,CSS,JS. Can't we write it in a single code?
css
html
javascript
0 Votos
3 Respuestas
6th Jan 2018, 7:52 PM
Bhanu Prakash
Everytime I tried to compile,it keeps giving me error but I can't seem to find the problem*.....anotherMyString [i]; return 0;*
java
0 Votos
2 Respuestas
25th Mar 2017, 3:39 PM
bobo
Why can't you make a game with JavaScript or any other code that isn't meant to be used to make video games
c#
c++
java
javascript
python
ruby
swift
1 Voto
2 Respuestas
21st Dec 2017, 4:03 AM
That TP
Can't make a set from a list with repeated items and keep the items order.Does anyone know how to make an ordered set in Python?
python3
sets
0 Votos
2 Respuestas
3rd Jun 2020, 3:03 PM
ıllıllı[ M̤e̤V̤e̤R̤s̤S̤ ]ıllıllı
This is an app where we can feel good that the next module can't be unlocked unless u complete the current one for deep learning
app
development
games
modules
self-learning
1 Voto
3 Respuestas
25th Dec 2016, 7:15 AM
Vishal Naik
Why can't I upload other pics other than the solo learn ones plz fix this if you know how to upload other pics plz tell me how
html
img
0 Votos
2 Respuestas
18th Jun 2018, 3:38 PM
hzh
I have installed python 3.5.2 ony windows 10 , but i can't find any IDLE there, what is IDLE and how can i install it on my PC.
python
0 Votos
5 Respuestas
11th Nov 2016, 3:39 AM
Adharsh Patel
guys pls i need your help it will be big help for me. i am angry and sad in same time i can't understand this section
es6
objects
0 Votos
1 Respuesta
10th Dec 2020, 10:35 AM
yassin tafouzert
Can someone help me? I am new to this website. I see the present symbol on my steak, but I can't do anything about. Please help.
help
streak
0 Votos
2 Respuestas
9th Feb 2024, 1:46 PM
DeadlyAlpha3091
I can't print characters in the file... It shows many boxes with 0 's and 1's inside it as the output... Help me...
c
1 Voto
1 Respuesta
16th Jun 2018, 7:21 AM
Dhanaraj S
Nikolay sir in pc my java program not run in command prompt what i will do it show javac not recognized i can't understand
java
0 Votos
3 Respuestas
20th Oct 2017, 2:35 PM
Himalaya Kataria
can someone please tell me in with language was the rotate and how to rotate text. I can't find the example.
<p>some
text</p>
-1 Voto
3 Respuestas
9th Aug 2017, 1:51 PM
Louis Maloney
I am wondering if it's a good idea to walk away... I've done HTML,CSS, JS, C#, and jQuery and still can't win challenges.. quit?
d
0 Votos
2 Respuestas
27th May 2020, 8:59 AM
Shane Forsythe
If id is unique and can't be used more than once in a document why do we use it, why not just use class???
css
html
0 Votos
3 Respuestas
24th Dec 2017, 3:50 PM
Eyob G. Hagos
Hello I have create a code with four bouton (7,8,9 and 6) but I can't put the 6 at the line (white-space didn't work)
help
0 Votos
2 Respuestas
23rd Aug 2018, 7:01 AM
Raitovin
Hav' already completed my java course but no project yet completed I can't get my certificate be4 it. Wht are those projects ?
java
0 Votos
2 Respuestas
5th May 2021, 7:55 PM
6Cødës
Why I can't use id more than once and shoulf I use Id or class and Can I use id in different html?
css3
html
html5
0 Votos
2 Respuestas
21st Apr 2020, 2:30 PM
Sorder Rakib Hassan
I can't use the file's include. Sr i speak english. Add friend and help me if you have free time. Help me learn english and code
helps
0 Votos
4 Respuestas
15th Mar 2017, 11:26 AM
Phát Tấn Phát
Capital can't be involved in a code in c language but thus eg in python shiws capital letters are involved iwant explanation
variables
0 Votos
2 Respuestas
8th Jun 2018, 8:57 AM
Karthik
Is there any better solution for this one??? I got only 12/13 correct tests and I can't find why the other test was wrong
c++
hard
problem
0 Votos
1 Respuesta
12th Aug 2020, 12:35 AM
Jayp
can't we add alert box on some specific button, like alert box of "are you sure you want to play" on clicking play button
html
javascript
web
1 Voto
2 Respuestas
30th Sep 2018, 4:02 AM
anjit pariyar
Is it compulsory to use only P while creating tags <p> if yes . Why can't any other letter if no whats the difference ...
tags
0 Votos
2 Respuestas
6th Sep 2019, 7:17 AM
Manem Yaswant
What do you do if you see an specific error you can't fix (you don't understand) and the Internet isn't helping you either?
error
practice
1 Voto
2 Respuestas
10th Apr 2017, 5:33 PM
Ron Starke
When specifying a web font in css style, why should we add more than one font name? Why can't it access the first font given? 🤔
font
1 Voto
2 Respuestas
20th Oct 2018, 7:29 AM
Shwetha N
I'm looking for dart language tutorial but i can't find it out here, could you tell me more what i can do now ? Cause flutter !!
help
0 Votos
2 Respuestas
28th Mar 2020, 7:42 AM
Sokombe
I really can't justify use of an Empty tuple... a tuple is immutable.. so it should remain empty everytime what can be it's use?
tuples
0 Votos
3 Respuestas
18th Jul 2017, 4:22 AM
Manoj Mudgal
To override method , is it compulsory to use override keyword? why we can't override method just like in c++ using same name with different definition.
c#
polymorphism
1 Voto
2 Respuestas
9th Sep 2018, 5:29 PM
shiwangee pathak
Why can't i run ES6 on solo learn. Some code works well elsewhere but throws errors on solo learn. Please help
es6
javascript
0 Votos
1 Respuesta
10th Dec 2018, 5:01 PM
Jo Jo Rules
Why can't I rate quizzes on HTML? I can only rate every language except HTML.any of you with this problem????
quiz
0 Votos
1 Respuesta
21st May 2019, 2:57 PM
Yishak
can't understand what's happening in output pls help. is 0 being taken as false and not 0 as true . So as 3 is true but not not
boolean-logic
if
python
0 Votos
3 Respuestas
5th Nov 2018, 1:09 PM
partha
How to change email destination from forget password in facebook, becaus i can't login to my yahoo mail. Can i use javascript?
javascript
-1 Voto
2 Respuestas
31st Aug 2017, 2:10 AM
ilham padli
While runing the code kotlin in my phone i can not enter more than one input. So i can't run a code with more than one input
kotlin
0 Votos
2 Respuestas
18th Oct 2019, 4:21 PM
Hind Moussaif
Hi guys i am learnin html on solo learn but i can't go next level on level 2 , it says more version avalible on this app but i
html
2 Votos
3 Respuestas
6th Jan 2018, 4:33 PM
TheLevitationQ
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