我有一个子类的按钮与一对夫妇性质 public class ZButton : Button
{
private string UIB = "I";
public int _id_ { get; set; }
public int rowIndex { get; set; }
protected override void OnClick(EventAr
Eclipse和NetBeans都会抛出关于使用匿名函数的错误。 NetBeans中的错误说The language feature not compatible with PHP version indicated in project settings 代码有效,但IDE似乎不喜欢它。 我应该担心吗?
我记得听到或读书的地方, SELECT * from TABLE where date >= '2009-01-01' AND date <= '2009-12-31'
比 SELECT * from TABLE where date BETWEEN '2009-01-01' AND '2009-12-31'
凡日期栏是一个DATETIME类型,并且具有相同的索引更加高效。它是否正确?