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MySQL - Make an existing Field Unique
...ng table with a field that should be unique but is not. I only know this because an entry was made into the table that had the same value as another, already existing, entry and this caused problems.
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Are there any O(1/n) algorithms?
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How to tell whether a point is to the right or left side of a line
I have a set of points. I want to separate them into 2 distinct sets. To do this, I choose two points ( a and b ) and draw an imaginary line between them. Now I want to have all points that are left from this line in one set and those that are right from this line in the other set.
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How do I print a list of “Build Settings” in Xcode project?
Is there a Canonical list of Xcode Environment Variables that can be used in Build Rules etc?
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What exactly does big Ө notation represent?
I'm really confused about the differences between big O, big Omega, and big Theta notation.
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How to get an array of unique values from an array containing duplicates in JavaScript? [duplicate]
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C# operator overload for `+=`?
I am trying to do operator overloads for += , but I can't. I can only make an operator overload for + .
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Remove all spaces from a string in SQL Server
What is the best way to remove all spaces from a string in SQL Server 2008?
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Do you need to dispose of objects and set them to null?
Do you need to dispose of objects and set them to null, or will the garbage collector clean them up when they go out of scope?
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What is the reason behind cbegin/cend?
I wonder why cbegin and cend were introduced in C++11?
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