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How do I get the parent directory in Python?
...he traditional method if:
You are worried about existing code generating errors if it were to use a Pathlib object. (Since Pathlib objects cannot be concatenated with strings.)
Your Python version is less than 3.4.
You need a string, and you received a string. Say for example you have a string rep...
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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xUnit.net: Global setup + teardown?
...e in my opinion, as forgetting to decorate a single test class can lead to errors that are difficult to track down. It would be nice if xUnit created a way to truly global setup and teardown.
– Zodman
Feb 24 at 23:23
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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
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Authenticate with GitHub using a token
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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?
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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 should every developer know about databases? [closed]
...it in both places. That way you're protected against bugs as well as user error. There's no reason to make every column nullable, or to allow values outside the range 1-12 to be inserted into a Month column. Complex business rules are, of course, another story.
– Aaronaught
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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.
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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...
