我在使用Xpath获取脚本后的所有html标记时遇到了一些问题
my html :
<table dir = "rtl .......">
<tbody>
<script src = "get.aspx?type=js&file=ajax&rev=3"......>
<script language = "JavaScript"......>
<script>..</script>
<tr>
<td id = "jm0x1"s
我写了这段代码来在opencv的垫子图像上绘制块箭头,它可以工作,但我的问题是,有没有更简单的方法来旋转图像?是否有必要对其进行详细编码,或者opencv中是否有旋转、转置或翻转方法?
void Arrow( Mat img, int i )
{
int lineType = 8;
Point arrow_points[1][7];
if (i == 1) { //left
arrow_points[0][0] = Point( 90*mp, 60*mp );
arrow_points[0][1] = Point( 90*mp, 40*mp );
arro
我正在Sqlite3中使用以下查询:
SELECT
Platform,
SUM((CASE WHEN Result=='Pass' THEN 1 ELSE 0 END) AS NumPass),
SUM((CASE WHEN Result =='Fail' THEN 1 ELSE 0 END) AS NumFail),
SUM((CASE WHEN Result=='NoRun' THEN 1 ELSE 0 END) AS NumNoRun),
SUM((count(Result) as NumTotal))
FROM a