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Apply multiple functions to multiple groupby columns

... uses other columns (like lambda x: x['D'][x['C'] < 3].sum() above: "KeyError: 'D'"). Any idea if that's possible? – beardc Jan 25 '13 at 20:56 ...
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Read an Excel file directly from a R script

...ta (i.e., not comma-formatted numbers, dates, formulas with divide-by-zero errors, missing values, etc. etc. ..) I generally have no problem with this process. share | improve this answer |...
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Changing the background drawable of the searchview widget

...urce found that matches the given name: attr 'android:searchViewTextField' error). Setting SearchView text field background from code So, the only way to properly substitute background of SearchView text field is to get into it's internals, acquire access to view that has background set based on s...
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Should I use JSLint or JSHint JavaScript validation? [closed]

...produce so many warnings for the same input, that they both give "too many errors". – wallyk Aug 29 '12 at 19:14 6 ...
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JavaScript get clipboard data on paste event (Cross browser)

...wn to suggesting the use of a DocumentFragment, and abligh for catching an error in Firefox due to the use of DOMStringList instead of a string for clipboardData.types share | improve this answer ...
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Most efficient way of making an if-elif-elif-else statement when the else is done the most?

...record, three and four are also dramatically faster than capturing the key error in a try/except construct. – Jeff Jun 15 '17 at 19:44  |  sho...
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Detail change after Git pull

...n@': unknown revision or path not in the working tree. I keep getting this error. Although git reflog firstDesign has this output. – unrealsoul007 Aug 24 '15 at 21:54 add a co...
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Recommended way to get hostname in Java

... Running getHostName() results in an error some times. E.g., here is what I get in an Amazon EC2 AMI Linux instance: java.net.UnknownHostException: Name or service not known java.net.InetAddress.getLocalHost(InetAddress.java:1438) – Ma...
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How does HashSet compare elements for equality?

...ng this. The ovveride getHashcode works, but override bool equals gets the error: no method found to override. any idea? – Stefanvds Dec 12 '14 at 8:36 ...
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Windows远程桌面授权错误(授权超时)等报错信息疑难解答 - 更多技术 - 清...

...桌面授权错误(授权超时)等报错信息疑难解答windows_rdp_error_resolve由于无法升级或续订本地计算机的客户端访问许可证,远程会话被中断。 由于授权协议出错,远程计算机中断了会话。 由于授权协议中发生网络问题,远程会...