oem模式是什么OEM:原始设备制造商 (OEM: Original Equipment Manufacturer) OEM is an abbreviation of "Original Equipment Manufacturer". Its meaning has changed over time. In former times, it alluded to a corporation that manufactures produ…
DEFAULT constraint is used to insert default value into a column on a table and if no any value is stored in any place of a column then default value will be added into it. DEFAULT约束用于将默认值插入到表的列中,如果列的任何位置均未存储任何值&…
c语言字符常量和字符串常量Any character (a single character) that is enclosed within the single quotes (like, A) is called character constants in C programming language. 用单引号引起来的任何字符(单个字符)(例如A ) 在C编程语言中称为字符常量 。 Character cons…
小数 ###C#十进制关键字 (C# decimal keyword) In C#, decimal is a keyword which is used to declare a variable that can store a floating type value (value with the precision) between the range of 1.0 x 10-28 to 7.9228 x 1028. decimal keyword is an …
AngularJS表达式 (AngularJS Expressions) In AngularJS, expressions are solved to give a result. It outputs the result of the expression in the html element that called it. Expressions in AngularJS contain literals, constants, operators and variables with re…