In recent times, and carlisle has become increasingly relevant in various contexts. What is the difference between the | and || or operators?. I have always used || (two pipes) in OR expressions, both in C# and PHP. Occasionally I see a single pipe used: |. From another angle, what is the difference between those two usages?
Are there any caveats when using ... Logical operators ("and", "or") in Windows batch - Stack Overflow. How would you implement logical operators in Windows batch files? Difference between & and && in C?
The & operator performs a bit-wise and operation on its integer operands, producing an integer result. Thus (8 & 4) is (0b00001000 bitand 0b00000100) (using a binary notation that does not exist in standard C, for clarity), which results in 0b00000000 or 0. The && operator performs a logical and operation on its boolean operands, producing a boolean result. Thus (8 && 4) is equivalent to ((8 ... Similarly, what is Python's equivalent of && (logical-and) in an if-statement?.
There is no bitwise negation in Python (just the bitwise inverse operator ~ - but that is not equivalent to not). Unary arithmetic and bitwise/binary operations and 6.7. From another angle, binary arithmetic operations.
The logical operators (like in many other languages) have the advantage that these are short-circuited. That means if the first operand already defines the result, then the second ... AND OR order of operations - Stack Overflow. In the normal set of boolean connectives (from a logic standpoint), and is higher-precedence than or, so A or B and C is really A or (B and C). Moreover, wikipedia lists them in-order. It's important to note that, most programming languages should obey this convention unless they are really weird.
That said, for your particular language or environment it should be possible to concoct a very small test to satisfy yourself that it is ... What is the difference between "++" and "+= 1 " operators?. @leftaroundabout: Integers and iterators have nothing to do with one another.
We aren't talking about pointers here (and the proper generalization of i += 1 would be std::advance (i, 1)), and the OP seems not yet knowledgeable enough to complicate matters in such a way. I stand by my point: the only difference between i += 1 and ++i for integers (which is what is asked about) is a cosmetic one. Regular Expressions: Is there an AND operator? Obviously, you can use the | (pipe?) to represent OR, but is there a way to represent AND as well? Specifically, I'd like to match paragraphs of text that contain ALL of a certain phrase, but in no
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