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- What does lt; gt; (angle brackets) mean in MS-SQL Server?
<> operator means not equal to in MS SQL It compares two expressions (a comparison operator) When you compare nonnull expressions, the result is TRUE if the left operand is not equal to the right operand; otherwise, the result is FALSE If either or both operands are NULL, see the topic SET ANSI_NULLS (Transact-SQL) See here : Not Equal To
- math - What does the ^ (XOR) operator do? - Stack Overflow
The XOR ( ^) is an logical operator that will return 1 when the bits are different and 0 elsewhere A negative number is stored in binary as two's complement In 2's complement, The leftmost bit position is reserved for the sign of the value (positive or negative) and doesn't contribute towards the value of number
- What is a Question Mark ? and Colon : Operator Used for?
This is the ternary conditional operator, which can be used anywhere, not just the print statement It's sometimes just called "the ternary operator", but it's not the only ternary operator, just the most common one Here's a good example from Wikipedia demonstrating how it works: A traditional if-else construct in C, Java and JavaScript is
- c - What does tilde (~) operator do? - Stack Overflow
The ~ operator in C++ (and other C-like languages like C and Java) performs a bitwise NOT operation - all the 1 bits in the operand are set to 0 and all the 0 bits in the operand are set to 1 In other words, it creates the complement of the original number
- What does the `%` (percent) operator mean? - Stack Overflow
Note that the result of the % operator is equal to x – (x y) * y and that if y is zero, a DivideByZeroException is thrown If x and y are non-integer values x % y is computed as x – n * y, where n is the largest possible integer that is less than or equal to x y (more details in the C# 4 0 Specification in section 7 8 3 Remainder operator)
- syntax - What is the := operator? - Stack Overflow
This is a new operator that is coming to Python 3 8 and actually had a role in BDFL Guido van Rossum's early retirement Formally, the operator allows what's called an "assignment expression" Informally, the operator is referred to as the "walrus operator" It allows assignment while also evaluating an expression So this:
- What does the - gt; operator mean in C++? - Stack Overflow
The -> operator is used with a pointer (or pointer-like object) on the LHS and a structure or class member on the RHS (lhs->rhs) It is generally equivalent to (*lhs) rhs, which is the other way of accessing a member
- scope resolution operator - What does the - Stack Overflow
:: is the scope resolution operator - used to qualify names In this case it is used to separate the class AirlineTicket from the constructor AirlineTicket(), forming the qualified name AirlineTicket::AirlineTicket() You use this whenever you need to be explicit with regards to what you're referring to Some samples:
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