PHP 根据对象属性进行对象数组的排序(usort($your_data, "cmp");)(inside the class: usort($your_data, array($this, "cmp"))) 一.总结 1. usort($your_data, "cmp"); 2.usort($your_data, array($this, "cmp")) If you’re sorting the array from in
1.默认属性 VB6.0有默认属性的特性.当没有给对象指定具体的属性时,"默认属性"是VB6.0将使用的属性.在某些情形下,省略常用属性名,使代码更为精简. 因为CommandButton的默认属性是Value,所以下面两句代码是等价的: Sub Test() Debug.Print UserForm1.CommandButton1 '输出Falue Dim a a = UserForm1.CommandButton1 Debug.Print a '输出False End Sub 而从
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>去重</title> </head> <body> <script type="text/javascript"> /*数组去重*/ function quchong(arr){ var len = a