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and represents a topic that has garnered significant attention and interest. Logical operators ("and", "or") in Windows batch - Stack Overflow. How would you implement logical operators in Windows batch files? 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: |. What is the difference between those two usages? Are there any caveats when using ...

What is Python's equivalent of && (logical-and) in an if-statement?. In relation to this, 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.

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 ... 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?

Another key aspect involves, specifically, I'd like to match paragraphs of text that contain ALL of a certain phrase, but in no How to use "and" and "or" in a "Where" clause - Stack Overflow. I have a query that is gathering information based on a set of conditions. Basically I want to know if a location has paid out more than $50 for the day OR the comment section has the word "filter... Can I get "&&" or "-and" to work in PowerShell?

The quickest way to real frustration when learning PowerShell is to start by thinking that it is just an expanded CMD or bash. It has a fundamentally different model, epecially when it comes to input, output, piping, and results. Start with a good tutorial or overview, and don't try too hard to make syntax from other shells work. You have to take it on its own terms. 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. Furthermore, thus (8 && 4) is equivalent to ((8 ...

What are the differences between .pem, .cer, and .der?.