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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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What's so bad about Template Haskell?
...u can't typecheck TH to be that worrying. Why? Because even if there is an error, it will still be compile time. I'm not sure if this strengthens my argument, but this is similar in spirit to the errors that you receive when using templates in C++. I think these errors are more understandable than C...
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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How do I strip all spaces out of a string in PHP? [duplicate]
... |
edited Apr 6 '19 at 15:05
PaulH
2,50111 gold badge1010 silver badges2323 bronze badges
answered Jan 2...
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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Calendar date to yyyy-MM-dd format in java
...rn("yyyy-MM-dd", Locale.ENGLISH);
System.out.println(ldt);
// Output "2018-05-12T17:21:53.658"
String formatter = formmat1.format(ldt);
System.out.println(formatter);
// 2018-05-12
Prior to Java 8
You should be making use of the ThreeTen Backport
The following is maintained for historical purpo...
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 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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