1.设置UIButton的文字居右显示 [button setContentHorizontalAlignment:UIControlContentHorizontalAlignmentRight]; 2.去掉点击默认置灰效果 [button setAdjustsImageWhenHighlighted:NO]; // default is YES. if YES, image is drawn darker when highlighted(pressed)
SQLServer判断指定列的默认值是否存在,并修改默认值 2008年10月21日 星期二 下午 12:08 if exists(select A.name as DefaultName,B.name as TableName from sysobjects A inner join sysobjects B on A.parent_obj = B.id where A.xtype = 'D' and B.xtype = 'U' and B.name = 'test') --在SQLserver
原文:[Transact-SQL]统计某字段中的值第一次出现后的2小时内出现的次数 table1 name createdate a 2011-03-01 10:00:00 a 2011-03-01 11:00:00 a 2011-03-01 14:00:00 b 2011-03-01 13:00:00 b 2011-03-01 13:20:00 b 2011-03-01 14:00:00 查询结果为 name createdate count a 2011-03-01 10:00:00 2 a
C# richtextbox 自动滚动到最后 光标到最后 自动显示最后一行 private void richTextBox1_TextChanged(object sender, EventArgs e) { richTextBox1.SelectionStart = richTextBox1.TextLength; // Scrolls the contents of the control to the current caret position.