Q&A Discussions

Expression trees are a nice feature, but what are its practical uses? Can they be used for some sort of code??

9th Aug 2022, 9:24 PM

Oluwagbotemi Oyeboade

How to do that

char expression java strings

7 Votes

4 Answers

24th Sep 2018, 10:21 AM

ABADA S

c,c++data,structure,web

4 Votes

How to generate a random string suitable for a random regular expression pattern for minimal time interval in Python?

8th Nov 2018, 11:08 AM

Soniya Kulkarni

generators python3 regular-expressions strings

2 Votes

Please, Explain that why the output is coming '0' ? I was thinking that it should be '1'...

12th Jul 2020, 11:13 AM

Maksim Syromolotov

boolean c++double expression

1 Vote

6 Answers

3rd Jun 2019, 3:39 PM

Sp Maurya

In python language using eval() fuction we get the any expression result. Enter suppos (7*6/2) output 21

python3

0 Votes

Operator Precedence Ruby evaluates a mathematical expression using an order of operations that is based on operator precedence.

24th Sep 2018, 8:21 AM

Amol Walunj

operators ruby

2 Votes

What expression can we put within the parenthesis of a switch statement?like we can use any expression? Switch(any expression)

24th Oct 2016, 5:23 AM

EMMANUEL NUOTAH TUONUO DERY

else-statements if-statements java

0 Votes

How to check using regular expression that atleast two different character from [ . ] is present in my string ?

25th Jun 2017, 5:17 PM

Raktim Mukherjee

java regular-expressions

0 Votes

Parentheses are balanced, if all opening parentheses have their corresponding closing parentheses. Given an expression as inp

20th May 2021, 6:52 AM

Mr.Curious

relevant

-1 Vote

In C Standard the operator [] is defined as arithmetic expression and used in array notation as well.What is a meaning of a[b]?

22nd Aug 2022, 7:00 AM

Ajay Choudhary

6 Votes

I coudn't understand the statement "when objects are destroyed by the delete pointer expression or gone out of scope"?

8th May 2022, 5:04 PM

RuBeen Dahal👿

c++destructors

2 Votes

How can I solve a mathematical expression following the hierarchy of operations? Resolver siguiendo la jerarquía de operaciones.

10th Jun 2017, 8:00 AM

Ahmad Ali Saim

0 Votes

Please explain value of y

14th Apr 2020, 9:51 PM

Hugo Raúl López Enríquez

evaluation expression java operator-precedence stack

13 Votes

What do the expression 1.0 / 0.0 will return? will it throw Exception? any compile time error?

2nd May 2017, 12:39 PM

Vaibhav Sharma

java

0 Votes

Fill in the blanks to calculate the expression x*(x+1) using an anonymous function and call it for the number 6. a = ( x:

18th Feb 2017, 3:45 AM

Kartikeya Bhardwaj

python

-8 Votes

7 Answers

12th Jul 2018, 10:38 AM

Patrick Mita

Good morning. I want to submit input type text to paragraph expression name with input submit. Thanks you

expression input name paragraphe submit to

0 Votes

What to do if we getting error as an expression was expected after '(' while using getchar(); in c

23rd Jul 2022, 4:27 PM

Malick Diagne

getchar()

0 Votes

Fill in the blanks to calculate the expression x*(x+1) using an anonymous function and call it for the number 6.

5th May 2023, 12:59 AM

Aditya Rapeti

help

0 Votes

Why do I get this error : Cannot apply indexing with [] to an expression of type 'char'

25th Apr 2020, 6:27 PM

Aminu Job Mohammed

1 Vote

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

2nd Oct 2017, 7:48 PM

sneeze

javascript

2 Votes

mix random with regiar expiession

13th Oct 2023, 10:00 PM

Temmy

c#expression mix random reglar

1 Vote

10 Answers

12th Apr 2018, 7:22 AM

Ahmad Akil

prefix and postfix

expression javascript left-hand prefix side

5 Votes

I wonder why there is the error in the code below also I 've added nessesary expression about "items" - $_SESSION?

2nd Feb 2018, 10:00 AM

Ognyan Koychev

<?php

3 Votes

16th Jun 2019, 12:41 PM

Egor Tonchev(EGO)

Switch statements

array case expression switch

1 Vote

Why does Java compiler prints a value, while a C++ compiler outputs another in the next expression?

11th Jul 2018, 11:14 PM

ThThinka

c++compiler expression java

1 Vote

I'm having a primary expression error on my code, everything in the code looks fine but it still isn't working, please help 😩😩

29th May 2020, 9:08 AM

Sergio Enrique ☕

c++codecoach error

1 Vote

%f cromakeyrsrsrsrs data-types expression

12th Apr 2020, 7:59 PM

Bernard

About that term: %f

0 Votes

I Don't understand the use of ^ in Java

24th Sep 2018, 1:32 PM

xSallus

conditional expression java statement

2 Votes

Can anyone explain what is the meaning of "When an elsif block executes the entire if expression is exited."

16th Jun 2017, 9:46 PM

Eduardo Perez Regin

elsif-statement ruby

0 Votes

Such an expression where value of a variable is being modified more than once is dependent upon the compiler or not?

29th Jun 2017, 8:37 PM

Prabhat Ranjan

1 Vote

The following function used regular expression to remove the suffix from the words: def stem (word) regexp = r'^(.*?)(ing|ly

2nd Aug 2017, 11:14 AM

Devansh

python

-2 Votes

What does python display and what not in the following expression ? I tried running them but they showed no output. Why?

6th Dec 2018, 6:30 AM

zahra mohamed

input

0 Votes

How do you get the statement "Learning is fun" to repeat itself thrice in a given expression using for loop in Java sript.

31st Aug 2020, 4:28 AM

zeeshan

javascript

0 Votes

Write a boolean expression that returns True if tge value of the variable count is between 1 and 10 inclusive

29th Oct 2023, 7:12 AM

Sergeant Nyams

cpython python

0 Votes

Hello could you tell me how to make stream in stream on example. If names of lambda expression are important?? In Java

1st Oct 2017, 12:41 PM

Kwabena Dennis

java

0 Votes

Please help me. I don't know where the bugs are coming from.

23rd Jan 2020, 9:05 AM

marcin

bugs expression factorization javascript quadratic

2 Votes

Relational operation are used to compare two expression and the result output is presented in the form of Boolean (true or false

11th Nov 2020, 1:54 AM

Logos

1 Vote

14th Dec 2016, 12:12 PM

Jibowu Gbenga

\n control character

\n character control expression Regular

4 Votes

guys what do they mean by the switch expression is evaluated once someone please explain how the process unfolds i

15th Jan 2017, 8:00 AM

Alexandr Kashuba

javascript switch

0 Votes

8. If a = 5 and b = 4 the value of the expression a +b/2^ + 6 is d )18 b)16 c)17 a)15

28th May 2017, 10:26 PM

wazha

0 Votes

what does the expression 'Return 0' generally do?? In turbo C we use getch() at the end. Please someone explain this to me.

25th Feb 2023, 6:35 AM

jayasri

@cprogramming

0 Votes

Lambda expressions and input

23rd Apr 2019, 3:08 AM

Light L

expression input lambdas python

0 Votes

Construct a logical expression to represent...a)m is between 0-9 inclusive but not equal to 3. b) n is btw 0 -7 but not even

1st Feb 2017, 3:45 PM

Leonardo Brocchi

c++program trending urgent

1 Vote

Write a program in Java to find the result of following expression (Assume a = 10, b = 5) i) (a < < 2) + (b > > 2)

6th Mar 2018, 2:12 AM

ibiang daniel

java

0 Votes

Trying to write a function that returns the average of it's two arguments. What's wrong with my code?

18th Sep 2023, 10:38 AM

Shahjad Ansari

average code css expression functions html javascript

1 Vote

7 Answers

12th Jun 2017, 5:04 PM

DIY Mods

" write a program that asks the user to enter an angle between negative 180 degrees and 180 degrees. Using an expression with th

python

-1 Vote

What is the result of the following expressions?

22nd May 2021, 3:08 PM

Alex Museua

addition concat expression integer null string sum

0 Votes

Question about lazy evaluation in python

5th Feb 2022, 10:48 AM

Martyna Tomaszewska

and boolean evaluation expression lazy or

1 Vote

[Problem solved] Why doesn't sololearn code playground work as vscode or other ides do?

9th Aug 2019, 10:42 PM

Nathan

before codeplayground error expected expression float sololearn vscode

0 Votes