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Why is the clone() method protected in java.lang.Object?
...CloneNotSupportedException. So you do need be Cloneable if you're going to call super.clone() (resulting in Object.clone() being called). I don't see how an object can be serialized without implementing Serializable.
– Steve Kuo
Jul 16 '09 at 17:00
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How do I return clean JSON from a WCF Service?
...s and it just works.
Also check out IIRF or another URL rewriter to get rid of the .svc in the URI.
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Cannot drop database because it is currently in use
...rchar(max)
SELECT @SQL = COALESCE(@SQL,'') + 'Kill ' + Convert(varchar, SPId) + ';'
FROM MASTER..SysProcesses
WHERE DBId = DB_ID(@DatabaseName) AND SPId <> @@SPId
--SELECT @SQL
EXEC(@SQL)
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How to create a memory leak in Java?
...MemorableClass {
static final ArrayList list = new ArrayList(100);
}
Calling String.intern() on lengthy String
String str=readString(); // read lengthy string any source db,textbox/jsp etc..
// This will place the string in memory pool from which you can't remove
str.intern();
(Unclosed) op...
virtualenv --no-site-packages and pip still finding global packages?
...omething like /usr/local/bin/pip, meaning that when we do pip freeze it is calling this binary instead of mytest/bin/pip.
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What does the restrict keyword mean in C++?
...g
A restrict-qualified pointer (or reference)...
! ...is basically a
promise to the compiler that for the
scope of the pointer, the target of the pointer will only
be accessed through that pointer (and pointers copied
from it).
In C++ compilers that support it ...
Compression/Decompression string with C#
... I just want to emphasize that the GZipStream must be disposed before calling ToArray() on the output stream. I ignored that bit, but it makes a difference!
– Wet Noodles
Jan 23 '14 at 19:41
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Storyboard warning: prototype table cells must have reuse identifiers
...tting this warning from storyboard - prototype table cells must have reuse identifiers.
11 Answers
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Why malloc+memset is slower than calloc?
It's known that calloc is different than malloc in that it initializes the memory allocated. With calloc , the memory is set to zero. With malloc , the memory is not cleared.
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Using current time in UTC as default value in PostgreSQL
...rentheses around the default expression:
create temporary table test(
id int,
ts timestamp without time zone default (now() at time zone 'utc')
);
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