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Will GetType() return the most derived type when called from the base class?
Will GetType() return the most derived type when called from the base class?
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Scope of sessionStorage and localStorage
I read some documentation on sessionStorage and localStorage, but I don't understand what the scope is: the domain, a specific page?
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Constant pointer vs Pointer to constant [duplicate]
I want to know the difference between
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How to use java.String.format in Scala?
I am trying to use a .format method of a string. But if I place %1, %2, etc. in the string, java.util.UnknownFormatConversionException is thrown pointing to a confusing Java source code piece:
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How to append text to a text file in C++?
How to append text to a text file in C++? And create a new text file if it does not already exist and append text to it if it does exist.
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How to redirect the output of an application in background to /dev/null
I would like to redirect the output generated from a background application in Linux to /dev/null.
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How to create a unique index on a NULL column?
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Alter table add multiple columns ms sql
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How to implement a unique index on two columns in rails
I have a table and I'm trying to add a unique index on two columns. Those columns are also indexed. So my question is if I just can remove the indexes who were just for one column or if I have to use all three indexes:
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