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How do negated patterns work in .gitignore?
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Ahh sorry I understand now. But SO won't let me upvote again.
– Jarrod Smith
Mar 30 '13 at 7:25
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How to check if an array field contains a unique value or another array in MongoDB?
I am using mongodb now.
2 Answers
2
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Session variables in ASP.NET MVC
...his object to be accessed from any part of the website and I don't really know the best way to accomplish this. I know that one solution is to use session variables but I don't know how to use them in asp .net MVC. And where would I declare a session variable? Is there any other way?
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How to downgrade or install an older version of Cocoapods
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Update... if you call gem uninstall cocoapods it will now ask you which version you want to uninstall. Much quicker! :o)
– ingh.am
Sep 30 '15 at 13:58
1
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How do I enable language extensions from within GHCi?
...e you referring to autocompletion within one's text editor? If so, do you know if this is possible with vim?
– identity
Sep 25 '12 at 15:43
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java.net.UnknownHostException: Invalid hostname for server: local
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What the exception is really saying is that there is no known server with the name "local". My guess is that you're trying to connect to your local computer. Try with the hostname "localhost" instead, or perhaps 127.0.0.1 or ::1 (the last one is IPv6).
From the javadocs:
Throw...
Android Studio marks R in red with error message “cannot resolve symbol R”, but build succeeds
...his happened on only one of my projects and on other two projects did not. Now i hope that Android Studio update didn't mess up something else...
– Martin Berger
Mar 1 '19 at 14:18
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How to disable and re-enable console logging in Python?
... this:
logger = logging.getLogger('my-logger')
logger.propagate = False
# now if you use logger it will not log to console.
This will prevent logging from being send to the upper logger that includes the console logging.
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Check if a class has a member function of a given signature
...tantiation does not
"do inheritance".
This snag does not affect the well-known SFINAE approach, using "The sizeof() Trick",
for detecting merely whether T has some member function mf (see e.g.
this answer and comments). But
establishing that T::mf exists is often (usually?) not good enough: you may...
Mapping enum to string in hibernate
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You can even go further and, now as JPA 2.1 is released, use @Converter(autoApply = true) public class CategoryTypeConverter implements javax.persistence.AttributeConverter <CategoryType, String>
– membersound
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