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Compelling examples of custom C++ allocators?
...t;T>
to
std::vector<T,tbb::scalable_allocator<T> >
(this is a quick and convenient way of switching the allocator to use TBB's nifty thread-private heaps; see page 7 in this document)
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Why java.util.Optional is not Serializable, how to serialize the object with such fields
The Enum class is Serializable so there is no problem to serialize object with enums. The other case is where class has fields of java.util.Optional class. In this case the following exception is thrown: java.io.NotSerializableException: java.util.Optional
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Can I make git recognize a UTF-16 file as text?
... change git identified the file as binary and wouldn't diff it for me. I discovered that the file was encoded in UTF-16.
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Generate an integer that is not among four billion given ones
I have been given this interview question:
38 Answers
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When should I use a composite index?
...re using queries that benefit from it. A composite index that looks like this:
index( column_A, column_B, column_C )
will benefit a query that uses those fields for joining, filtering, and sometimes selecting. It will also benefit queries that use left-most subsets of columns in that composite. S...
What is the use of ByteBuffer in Java? [closed]
What are example applications for a ByteBuffer in Java? Please list any example scenarios where this is used. Thank you!
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Does adding a duplicate value to a HashSet/HashMap replace the previous value
...places the old value with the new one.
In the case of HashSet, the item isn't inserted.
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When is assembly faster than C?
One of the stated reasons for knowing assembler is that, on occasion, it can be employed to write code that will be more performant than writing that code in a higher-level language, C in particular. However, I've also heard it stated many times that although that's not entirely false, the cases wh...
SQL injection that gets around mysql_real_escape_string()
Is there an SQL injection possibility even when using mysql_real_escape_string() function?
4 Answers
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ArrayList vs List in C#
What is the difference between ArrayList and List<> in C#?
12 Answers
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