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python pandas remove duplicate columns

... This solution give me problems on large dataframes: RecursionError: maximum recursion depth exceeded – Scott Jul 17 '18 at 17:22 ...
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How do you add a timer to a C# console application

...e reason why while(1) will not work is it is not valid c#: test.cs(21,20): error CS0031: Constant value '1' cannot be converted to a 'bool' – Blake7 Feb 17 '14 at 14:07 1 ...
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Authenticate with GitHub using a token

... Insecure approach. Key easily cat'd to logs on error. Use a tightly scoped deploy key instead. – Joseph Lust Jan 7 '18 at 3:34 ...
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CSS file not opening in Visual Studio 2010 SP1?

... I got this error after installed ASP.NET 4 RC last week and now it's fixed. Thanks very much. – Tien Do Jun 26 '12 at 4:31 ...
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What is the difference between char, nchar, varchar, and nvarchar in SQL Server?

...from a nvarchar(X) column to a varchar(X) column to fail with a truncation error (where X denotes a number that is the same in both instances). SQL Server 2012 adds SC (Supplementary Character) collations that support UTF-16. In these collations a single nvarchar character may take 2 or 4 bytes. ...
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Accessing the logged-in user in a template

...n default('') should be nice when user is NOT login by just avoid annoying error message. share | improve this answer | follow | ...
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Is recursion a feature in and of itself?

... Overflows The more obvious one is that you risk getting a stack overflow error. Realistically, the method you wrote is very unlikely to actually lead to one, since a user would have to give incorrect input many many times to actually trigger a stack overflow. However, one thing to keep in mind i...
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Use of “global” keyword in Python

... call last): File "file.py", line 9, in <module> print(me) NameError: name 'me' is not defined While if you use the global statement, the variable will become available "outside" the scope of the function, effectively becoming a global variable. def bob(): global me me = "loca...
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What's the difference setting Embed Interop Types true and false in Visual Studio?

...e of an item using the debugger. When it was set to true, I was getting an error - item.FullName.GetValue The embedded interop type 'FullName' does not contain a definition for 'QBFC11Lib.IItemInventoryRet' since it was not used in the compiled assembly. Consider casting to object or changing...
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How can you determine a point is between two other points on a line segment?

... That doesn't take rounding errors (inexactness of coordinates) into account. – bart Nov 30 '08 at 9:23 ...