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Difference between & and && in Java? [duplicate]
I was just wondering what the difference between & and && is?
A few days I wrote a condition for an if statement the looked something like:
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How do I use vim registers?
I only know of one instance using registers is via Ctrl R * whereby I paste text from a clipboard.
16 Answers
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How to convert from System.Enum to base integer?
...ert.ToInt32()
could do the trick.
The direct cast (via (int)enumValue) is not possible. Note that this would also be "dangerous" since an enum can have different underlying types (int, long, byte...).
More formally: System.Enum has no direct inheritance relationship with Int32 (though both are...
Are typedef and #define the same in c?
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No.
#define is a preprocessor token: the compiler itself will never see it.
typedef is a compiler token: the preprocessor does not care about it.
You can use one or the other to achieve the same effect, but it's better to use the proper...
SQL Server database backup restore on lower version
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No, is not possible to downgrade a database. 10.50.1600 is the SQL Server 2008 R2 version. There is absolutely no way you can restore or attach this database to the SQL Server 2008 instance you are trying to restore on (10.00.160...
MemoryCache does not obey memory limits in configuration
... the maximum cache size, but in my tests it does not appear that the cache is actually obeying the limits.
7 Answers
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What are the git concepts of HEAD, master, origin?
...and I'm not sure what the differences are. If I understand correctly, HEAD is always equal to the latest revision? And if so, is that the latest revision of the whole repository, or of a specific branch or tag? This is so confusing. I've read so many tutorials on this and things like branching/mergi...
How can I use “:” as an AWK field separator?
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"-F" is a command line argument, not AWK syntax. Try:
echo "1: " | awk -F ":" '/1/ {print $1}'
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How to timeout a thread
I want to run a thread for some fixed amount of time. If it is not completed within that time, I want to either kill it, throw some exception, or handle it in some way. How can it be done?
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No serializer found for class org.hibernate.proxy.pojo.javassist.Javassist?
I am working on SpringMVC , Hibernate & JSON but I am getting this error.
19 Answers
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