All Questions
Tagged with operators operator-precedence
189
questions
-5
votes
1
answer
64
views
Comparison Operators result in Python
Why in Python print(bool(7>8)==False==True) results False, logically it should be True?
as bool(7>8) is False, therefore
False==False==True -> True==True -> True (NOT False)
as the ...
-1
votes
1
answer
42
views
Combining python "in" and "==" operator has confusing behavior [duplicate]
A buddy of mine is learning python and I saw an odd thing he did with his code:
if ch in input[index] == test[index])
Obviously there's some context missing for that fragment, but interestingly, that ...
- 379
0
votes
2
answers
27
views
I want to know which determines the output like not in this case applies to first condition only or both
x=(not (5==5) and (10<12))
print(x)
when executing. not negates the first expression or both?
In my opinion "not" should be executed with (5==5) only but my colleague says it will affect ...
- 1
1
vote
2
answers
71
views
Generating random equations with wrong answers ( operator precedence problem )
I am trying to generate a random Equation and an answer to it.
Everything works fine, except the answers are being calculated wrong ( without consideration of operator precedence ). I've been trying ...
- 84
-1
votes
1
answer
30
views
Combining && with || in an if statement [duplicate]
I want to have a short if statement on one line that checks if condition A is met and then check if condition B is met, where both conditions are specific strings, but condition B has more than one ...
- 81
1
vote
0
answers
13
views
operator vs () parenthesis in JAVA
int a=5;
a+=5+(++a)+(a++);
Now the output should be 24 because first the parenthesis will be executed and if this is so then it will be a=a+5+(++a)+(a++)=>a= 7 + 5 + 6 + 6 but the output ...
0
votes
2
answers
85
views
Why does && operator not work inside a hash block but and operator does?
Given the following hash
hash = {a: 5, b: 10}
I want to check if all values are Integers and < 10.
hash.all?{|key,value| value.is_a? Integer && value < 10} ## TypeError: class or module ...
- 638
1
vote
1
answer
59
views
in Python does 'or not' has 'not' precencence or 'or' precedence?
first time asking for help here.
I going through Kaggle' Python exercises and on Booleans section there is this example:
prepared_for_weather = have_umbrella or rain_level < 5 and have_hood or not ...
- 11
-1
votes
1
answer
72
views
Operation_Precedence_in_Python
Could someone explain to me about operator precedence? For eg. Modulo(%), integer division(//), exponential(**) What comes first, second, third and so on. Also please help me with the output of the ...
0
votes
2
answers
119
views
How does Java handle precedence of operators when unary operators are involved?
I have the following code in Java :
int a=5,b=10,c;
c = ++b * ++a - a++ ;
System.out.println(c);
Now referring to the Java operators precedence table :-
Table
We will first evaluate the postfix a++ ...
-1
votes
1
answer
62
views
How to do operators in multiple select statements? MySQL
The goal is Forested land / (forested + non-forested land area)
here is what I have tried, but shows errors such as
operand should contain 1 column(s)
below I just tried to add up first. Need your ...
2
votes
1
answer
242
views
Fortran user defined operators precedence rules
The built-in operators of Fortran have well-defined precedence rules. What about user-defined operators? I understand that user-defined binary operators have a lower priority than every built-in ...
1
vote
2
answers
593
views
List of the Prelude haskell operators, with precedence level
Where can I find a list of the infix Haskell operators in Prelude and base package in general, along with their precedence level, and whether they're right or left associative? I know this information ...
- 1,645
0
votes
1
answer
82
views
Morphism, product, coproduct operator precedence and associativity
I am writing a parser that will parse a simple functional toy language.
I'm having tough time with operator precedence and associativity of morphism, product and coproduct operators.
My toy language ...
- 656
1
vote
1
answer
107
views
Is the order of evaluation of AND operator from left to right guaranted? [duplicate]
I was studying the K&R "The C Programming Language" 2nd Edition book and in chapter 1.9 Character arrays on Page 29 there is an example program given to print out the longest line after ...
