Sesiones de PyR
Why we need to add all ORDER BY column names in SELECT clause when we are using DISTINCT in SELECT?
0 Votos
1 Respuesta
Why the ^ matches a begining character or group but the $ matches only the last character not a group
0 Votos
1 Respuesta
using with alert("this is alert"); this display a box with string in centre but also found ABOUT BLANK why this,
0 Votos
1 Respuesta
What is the difference between float and double variable's use and why we write f after declaration of float variable
0 Votos
1 Respuesta
Why does SoloLearn suggest users to be friends with other users even though they only give the option to "Follow"?
0 Votos
1 Respuesta
Why talk about the tools to write code but then give examples with a database that we do not have?
0 Votos
1 Respuesta
Why can't I rate quizzes on HTML? I can only rate every language except HTML.any of you with this problem????
0 Votos
1 Respuesta
why we use return in this prog.
#include <iostream>
using namespace std;
int timesTwo(int x) {
return x*2;
}
in
0 Votos
1 Respuesta
What is the use of magic method __add__?? In below code why result not returning addition of first and second???
0 Votos
1 Respuesta
If auto increment is on, why we need to mention not Null, as the value will increment automatically from 1.
0 Votos
1 Respuesta
Why would my package cause the code to come up with an error when I put it int Code Playground?
0 Votos
1 Respuesta
I am a beginer and will like to under the reason why codes on html must be compacted before run.
-7 Votos
3 Respuestas
Why do we increment N by 1 after inserting an item to the mid of the array in Data Structure?
1 Voto
1 Respuesta
double Max = 12.7;
if (Max >= 12)
System.out.print("FRENCH"); else
System.out.print("FRIES");
Can the code be converted to Switch ?
If yes why ?
If no why?
1 Voto
2 Respuestas
I can't understand, why do sin(x) and tan(x) return wrong values when I put Math.PI as x. It shows 1,22 for sin and -1,22 for tan, when it should be 0 in both cases?
1 Voto
3 Respuestas
why sometimes the circle is forever when i input very big number to long int as i choose long int to save
0 Votos
2 Respuestas
why if else is not working here
public String theEnd(String str,boolean front)
{
if(front=true)
return str.substring (0,1);
else
return str.substring (str.length()-1,str.length());
}
0 Votos
2 Respuestas
how to show the numbers in textbox in c# . it is show to me 11 does not show 2 why ??
0 Votos
2 Respuestas
Why does not split the word from string list by letter by letter??? When the user input any word from list then will show split
0 Votos
1 Respuesta
if html is used for coding web and html5 is too used? than why we use CSS ? i think CSS play same role of HTML & HTML5
0 Votos
3 Respuestas
Why is the js code on the third illustration of Dom and Events displaying an uncaught error of childNodes when you invoke the fu
0 Votos
1 Respuesta
Why is that not all code are able run, on this app, i tried alot of project, but it didn't run.
0 Votos
1 Respuesta
Why the SolaLearn community is the most desirable part of the app? What if it was never introduced in the app?
1 Voto
1 Respuesta
Why Android Developers Goto Kolin language Instead of Java? Its this possible that android studio is now not totally depend java
1 Voto
1 Respuesta
Why is it that i can not be able to link the database with codes only withouth starting with the database.
1 Voto
1 Respuesta
why this output is 339 ???
#include<iostream>
using namespace std;
int x(int &a,int &b)
{
a=1;
b=3;
return a*b;
}
int main()
{
int a=3;
int b=4;
int c=x(b,b);
cout<<a<<b<<c;
}
0 Votos
3 Respuestas
Trying to code triangle numbers from 4 ie 4 + 3 + 2 + 1. Why does it not work with the while loop. Appreciate your comments...
0 Votos
2 Respuestas
what's wrong in calling list.len() rather len(list) .?? why python defined len() just as a normal method unlike those with dot operator ?
0 Votos
2 Respuestas
Error:Could not find or load java main class , why show error ,i change my drive and my class name is same ,
0 Votos
2 Respuestas
I am a beginner why at front its print ('Hello world!) Then answer is Hello world! But when we do programming we need to add '''
0 Votos
1 Respuesta
why using these long methods and then get output small words such as hello if we have direct court statement and small program to print this ,why we use classes,objects to do this typical small functions.
1 Voto
3 Respuestas
hi, me newbie, started last day, right now I wrote a code using "do", the out is 2,4,6, while condition is <5. why or how output is exceeding 5. thanx in advance
int a=2;
do {
cout<<a <<endl;
a+=2;
}
while (a <5);
0 Votos
5 Respuestas
I tried following code
try:
num1 = 7
num2 = 0
print("Done calculation")
print (num1 / num2)
except ZeroDivisionError:
print("An error occurred")
print("due to zero division")
It's throwing an error I don't understand why can someone explain me plz
2 Votos
3 Respuestas
What is your main reason why u want programming? Let us kwn what we want not jst to kwn programming and it goes in veins.
2 Votos
1 Respuesta
In HTML, what does the inserted text (formatting element) do? Does it underline a text? If so, why is it called inserted?
1 Voto
1 Respuesta
it dont work for me... i put 1*2 or 2**5 or anything it either sais syntax error or no output but why
0 Votos
2 Respuestas
If output is correct and func is called acc to function overloading is used then why cout statement inside func isn't printed?
0 Votos
2 Respuestas
Can anyone tell me why we need pointer and what will happend if we use it? What is the use of pointer?
0 Votos
2 Respuestas
why in the postfix increment , x increases and y equals " old x" , even if the equals x after increment?
0 Votos
2 Respuestas
Can anyone tell me why does the system keeps on telling " cant find symbol " when i have written the code perfectly ?
0 Votos
2 Respuestas
why do we use VirtualFunction to allow derived class to use to base class function , yet we already have the inheritance acces s
0 Votos
2 Respuestas
So, according to the app, generators are like for loops, but they have a yield statement, instead of return. Why do we use generators then? They're practically the same.
0 Votos
3 Respuestas
By repeating some lines of code , will it form an error ? and is that why we are made to use functions and modules ?
0 Votos
1 Respuesta
Why does sololearn app shows me 'oops something went wrong' in android even my internet connection is well connected. Give some
0 Votos
0 Respuestas
En tendencia hoy
Kernel in Jupyter
2 Votes
SQL
3 Votes
JAVA PROGRAMMING
2 Votes
What Does Pseudo Elements Mean.
2 Votes
HTML/CSS questions
0 Votes
IMAGE
0 Votes
Html
1 Votes