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What does “error: option --single-version-externally-managed not recognized” indicate?
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edited Oct 28 '17 at 22:05
ADTC
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answe...
How to list active / open connections in Oracle?
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186
Use the V$SESSION view.
V$SESSION displays session information for each current session.
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CSS border less than 1px [duplicate]
The default border:1px is too big. However, border: 0.5px solid; is not working.
Is there a CSS solution that would make the border half the size?
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How to check if a string is a valid hex color representation?
...d support for 3-character HEX codes, use the following:
/^#([0-9A-F]{3}){1,2}$/i.test('#ABC')
The only difference here is that
[0-9A-F]{6}
is replaced with
([0-9A-F]{3}){1,2}
This means that instead of matching exactly 6 characters, it will match exactly 3 characters, but 1 or 2 times. Al...
How does a UILabel's minimumScaleFactor work?
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answered Mar 4 '13 at 18:40
ScottScott
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How to add an extra source directory for maven to compile and include in the build jar?
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145
You can use the Build Helper Plugin, e.g:
<project>
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<build>
<plugi...
Adding a user to a group in django
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edited Dec 4 '17 at 9:04
answered Jun 9 '11 at 6:24
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Python string.join(list) on object array rather than string array
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441
You could use a list comprehension or a generator expression instead:
', '.join([str(x) for x i...
Best practices for in-app database migration for Sqlite
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112
I maintain an application that periodically needs to update a sqlite database and migrate old ...