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If table exists drop table then create it, if it does not exist just create it

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Maven: how to override the dependency added by a library

Here's my generic problem: 5 Answers 5 ...
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Check if a folder exist in a directory and create them using C#

How can I check if directory C:/ contains a folder named MP_Upload , and if it does not exist, create the folder automatically? ...
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JSON: why are forward slashes escaped?

The reason for this "escapes" me. 5 Answers 5 ...
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What is the difference between BIT and TINYINT in MySQL?

In which cases would you use which? Is there much of a difference? Which I typically used by persistence engines to store booleans? ...
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Rails: Using build with a has_one association in rails

In this example, I create a user with no profile , then later on create a profile for that user. I tried using build with a has_one association but that blew up. The only way I see this working is using has_many . The user is supposed to only have at most one profile . ...
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Variable is accessed within inner class. Needs to be declared final

I'm getting a compilation error inside of my onClick . 6 Answers 6 ...
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What is the difference between persist() and merge() in JPA and Hibernate?

What is the difference between persist() and merge() in Hibernate? 4 Answers 4 ...
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Add margin above top ListView item (and below last) in Android

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Have a fixed position div that needs to scroll if content overflows

I have actually two issues, but lets resolve the primary issue first as I believe the other is easier to address. 5 Answers...