expression tag

115 questions

1 answers
134 views
0

Why is 'a == b or d' always true?

I'm working on a security system that prevents access from unauthorized users.import sysprint(Hello. Please enter your name:)name = sys.stdin.readline().strip()if name == Kevin or Jon or Inbar: print(...

boolean python boolean-expression

1 years ago

1 answers
91 views
0

Which one should I use, if x is not None or if x is None?

I if not x is none thought a good representation to read more. google style guide in if x is not none , to write.Is it because of the speed difference between you two?Or is it because if not x is None...

python coding-style boolean-expression

1 years ago

1 answers
38 views
0

What is the difference between statement and expression?

What is the difference between Statement and Expression?[Is there a way to execute the stored Python code in the form of a string?] I saw a comment here. I know the expression is in a smaller rangeI'm...

python expression

1 years ago

1 answers
102 views
0

In what order does i = (i, ++i, 1) + 1; run?

#include <stdio.h>int main(void) { int i = 5; i = (i, ++i, 1) + 1; printf(%d\n, i); return 0;}I'm Newbie who is studying about the Undefined Behavior.I was experimenting with this and that with ...

c expression compiler-warning comma-operator operator

2 years ago

1 answers
65 views
0

Intermediate/postal operational expression conversion, post-operational expression calculation

Below is the source code I wrote, and the infixToPostfix function converts the median expression in the main function into a posterior expression, and the evalPostfix function calculates the converted...

c stack expression

2 years ago

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