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Shading a kernel density plot between two points.

...x(which(dens$x < q95)) with(dens, polygon(x=c(x[c(x1,x1:x2,x2)]), y= c(0, y[x1:x2], 0), col="gray")) Output (added by JDL) share | improve this answer | follow ...
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Maintaining the final state at end of a CSS3 animation

I'm running an animation on some elements that are set to opacity: 0; in the CSS. The animation class is applied onClick, and, using keyframes, it changes the opacity from 0 to 1 (among other things). ...
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ValueError: math domain error

... | edited Sep 3 '17 at 20:49 answered Apr 8 '13 at 23:06 ...
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Insert a row to pandas dataframe

...df.sort_index() # sorting by index And you get, as desired: A B C 0 2 3 4 1 5 6 7 2 7 8 9 See in Pandas documentation Indexing: Setting with enlargement. share | improve this an...
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C# Stream流使用总结 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...[] array = new byte[file.Length];//初始化字节数组 file.Read(array, 0, array.Length);//读取流中数据把它写到字节数组中 file.Close();//关闭流 string str = Encoding.Default.GetString(array);//将字节数组内容转化为字符串 Console.WriteLine(str); 将数据写入...
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Why is a pure virtual function initialized by 0?

... The reason =0 is used is that Bjarne Stroustrup didn't think he could get another keyword, such as "pure" past the C++ community at the time the feature was being implemented. This is described in his book, The Design & Evolution of ...
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How to convert a Binary String to a base 10 integer in Java

...ithout leading zeroes) that I want to convert to their corresponding base 10 numbers. Consider: 9 Answers ...
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Why can't I center with margin: 0 auto?

I have a #header div that is 100% width and within that div I have an unordered list. I have applied margin: 0 auto to the unordered list but it won't center it within the header div. ...
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How to get the seconds since epoch from the time + date output of gmtime()?

...calendar.timegm(). >>> calendar.timegm(time.gmtime()) 1293581619.0 You can turn your string into a time tuple with time.strptime(), which returns a time tuple that you can pass to calendar.timegm(): >>> import calendar >>> import time >>> calendar.timegm(time....
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How to get the first and last date of the current year?

Using SQL Server 2000, how can I get the first and last date of the current year? 18 Answers ...