operators Archives - Page 2 of 9

haskell, Programming

IT Nursery

Are there pronounceable names for common Haskell operators? [closed]

Closed. This question is opinion-based. It is not currently accepting answers. Closed 4 years ago. Locked. This question and its answers are locked ...

May 30, 2022
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Java, Programming

IT Nursery

What is the difference between & and && in Java?

I always thought that && operator in Java is used for verifying whether both its boolean operands are true, and the & operator ...

May 30, 2022
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PHP, Programming

IT Nursery

Double not (!!) operator in PHP

What does the double not operator do in PHP? For example: return !! $row; What would the code above do? 6 Answers 6

May 30, 2022
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Programming, regex

IT Nursery

Regex not operator

Is there an NOT operator in Regexes? Like in that string : "(2001) (asdf) (dasd1123_asd 21.01.2011 zqge)(dzqge) name (20019)" I want to delete ...

May 29, 2022
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operators, Programming

IT Nursery

How does the bitwise complement operator (~ tilde) work?

Why is it that ~2 is equal to -3? How does ~ operator work? 18 Answers 18

May 29, 2022
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Programming, Python

IT Nursery

What is the ‘@=’ symbol for in Python?

I know @ is for decorators, but what is @= for in Python? Is it just reservation for some future idea? This is ...

May 27, 2022
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Programming, ruby

IT Nursery

No increment operator (++) in Ruby? [duplicate]

This question already has answers here: Closed 11 years ago. Possible Duplicate: Why doesn’t Ruby support i++ or i— for fixnum? Why is ...

May 27, 2022
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Programming, Python

IT Nursery

When is “i += x” different from “i = i + x” in Python?

I was told that += can have different effects than the standard notation of i = i +. Is there a case in ...

May 26, 2022
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Is there an exponent operator in C#?

For example, does an operator exist to handle this? float Result, Number1, Number2; Number1 = 2; Number2 = 2; Result = Number1 (operator) ...

May 25, 2022
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Regex how to match an optional character

I have a regex that I thought was working correctly until now. I need to match on an optional character. It may be ...

May 24, 2022
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