define true false

Http://blog.chinaunix.net/uid-28458801-id-3941112.htmlThe difference between false/true and False/true 1. The difference between false/true and false/true: False/true is a new keyword in the standard C + + language, and False/true is through #

Null NullA keyword is a text value that does not reference any null reference of an object. Null is the default value of the reference type variable. C #2.0 introducedType that can be nullThis is a data type that can be set to an undefined value.

PS: the title means = = Comparison between different variables that define the same content. The result of a direct comparison (1000 = = 1000) is true.Run the following code: Integer a = +, B = +; = = b) ; = +, d = +; = = d)

When there is a large amount of data in the database, the previous DataGrid often seems powerless. In this case, it is the turn of paging to show its skills. Paging refers to dividing the data in the database into several pages and displaying them

In C ++, the difference between TRUE in upper case and true in lower case is true in lower case. 1. Differences between TRUE in uppercase and true in C ++True is of the bool type;TRUE is int type, which is defined by ms in VC; C ++ does not allow

: This article mainly introduces the difference between const and define in php (supplement). If you are interested in PHP tutorials, refer to it. A constant is the identifier (name) of a simple value ). As its name implies, this value cannot be

Thanks to http://blog.chinaunix.net/u3/111961/showart_2187819.html first . This is an excellent article. In the last study, we wrote a small client example, which is very simple and the header file generated by using producer-binding-tool is very

A constant is an identifier (first name) of a simple value. As the name implies, the value cannot be changed during script execution (except for the so-called magic constants, they are not constants). Changshime is considered to be case sensitive.

PHP has a total of 8 data types: Type name Type represents Take value bool Boolean type True,false Integer Integral type -2147483647-2147483648 String String type

A constant is an identifier (first name) of a simple value. As the name implies, the value cannot be changed during script execution (except for the so-called magic constants, they are not constants). Changshime is considered to be case sensitive.