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oracle top 替代方案 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
oracle top 替代方案由于Oracle不支持select top 语句，所以在Oracle中经常是用order by 跟 rownum的组合来实现select top n的查询。select * from (...由于Oracle不支持select top 语句，所以在Oracle中经常是用order by 跟 rownum 的组合来实现select top n的查...
Oracle的列操作(增加列,修改列,删除列)，包括操作多列 - 数据库(内核) - 清...
Oracle的列操作(增加列,修改列,删除列)，包括操作多列增加一列： alter table emp4 add test varchar2(10);修改一列： alter table emp4 modify test varchar2(20);删除一列：alter 增加一列：
alter table emp4 add test varchar2(10);
修改一列：
alter table e...
NASA宣布发现\"另一个地球\" - it组图 - 清泛网 - 专注C/C++及内核技术
NASA宣布发现"另一个地球"NASA 另一个地球北京时间7月24日凌晨零点，NASA举办媒体电话会议宣布开普勒空间望远镜最的新发现：天文学家表示，发现迄今最接近“另一个地球”的系外行星，该行星名称为Kepler 452b，这个跟地球的相...
图片故事：聚光灯后的“ShowGirl” - life组图 - 清泛网 - 专注C/C++及内核技术
图片故事：聚光灯后的“ShowGirl”故事 图片 ShowGirl今年ChinaJoy上，一条针对ShowGirl的“2cm规定”引发热议。长久以来，外界对于ShowGirl有着诸多非议，作为互联网宅文化的另一面，美女经济有着其残酷的一面，聚光灯外，女孩们的...
安徽合肥阵雨后出现“云山”奇观 天边飘起3D彩云美如仙境 - life组图 - 清...
安徽合肥阵雨后出现“云山”奇观 天边飘起3D彩云美如仙境仙境 云山 奇观 合肥2015年8月5日下午5点30分左右，安徽省合肥市西北方向的上空飘来一层阴云，黑压压的从合肥上空“穿境”而过，随之而来的是一场阵雨，这块云除了...
Download file from an ASP.NET Web API method using AngularJS
...: " + status;
});
};
Usage:
var downloadPath = "/files/instructions.pdf";
$scope.downloadFile(downloadPath);
Notes:
You should modify your WebApi method to return the following headers:
I have used the x-filename header to send the filename. This is a custom header for convenience, you c...
Downloading a file from spring controllers
I have a requirement where I need to download a PDF from the website. The PDF needs to be generated within the code, which I thought would be a combination of freemarker and a PDF generation framework like iText. Any better way?
...
Set margin size when converting from Markdown to PDF with pandoc
... an HTML and .md file. Next, I used pandoc to convert the .md file into a PDF file (I get an error if I try and convert from the .html file). However, the PDF that is produced have massive margins (like this http://johnmacfarlane.net/pandoc/demo/example13.pdf ). How can I get pandoc to produce s...
How to make input type= file Should accept only pdf and xls
...stion).
Example:
<input type="file" name="upload" accept="application/pdf,application/vnd.ms-excel" />
To your third question "And when I click the files (PDF/XLS) on webpage it automatically should open.":
You can't achieve that. How a PDF or XLS is opened on the client machine is set by...
Fitting empirical distribution to theoretical ones with Scipy (Python)?
...-2]
scale = params[-1]
# Calculate fitted PDF and error with fit in distribution
pdf = distribution.pdf(x, loc=loc, scale=scale, *arg)
sse = np.sum(np.power(y - pdf, 2.0))
# if axis pass in add to plot
...