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The ' |= ' symbol is the bitwise OR assignment operator.
In mathematics, the tilde often represents approximation, especially when used in duplicate, and is sometimes called the "equivalency sign." In regular expressions, the tilde is used as an operator in pattern matching, and in C programming, it is used as a bitwise operator representing a unary negation (i.e., "bitwise ...
Summary. An operator is a symbol which operates on a variable or value. There are types of operators like arithmetic, logical, conditional, relational, bitwise, assignment operators etc. Some special types of operators are also present in C like sizeof(), Pointer operator, Reference operator etc.
In C/C++, the # sign marks preprocessor directives. If you're not familiar with the preprocessor, it works as part of the compilation process, handling includes, macros, and more.
String uses a few more pixels than string. So, in a dark room, it will cast a bit more light, if your code is going to be read with light-on-dark fonts. Deciding on which to use can be tricky - it depends on the price of lighting pixels, and whether your readership wants to cast more light or less. But c# gives you the choice, which is why it is all-around the best language.
Nothing - both refer to System.String.
"String" is the underlying CLR data type (class) while "string" is the C# alias (keyword) for String. They are synonomous. Some people prefer using String when calling static methods like String.Format() rather than string.Format() but they are the same.
String is short version of System.String, the common type system (CTS) Type used by all .Net languages. string is the C# abbreviation for the same thing...
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