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Why do table names in SQL Server start with “dbo”?

At least on my local instance, when I create tables, they are all prefixed with "dbo.". Why is that? 3 Answers ...
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Tricks to manage the available memory in an R session

What tricks do people use to manage the available memory of an interactive R session? I use the functions below [based on postings by Petr Pikal and David Hinds to the r-help list in 2004] to list (and/or sort) the largest objects and to occassionally rm() some of them. But by far the most effect...
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Git push failed, “Non-fast forward updates were rejected”

I've edited my GIT repositories via Git Online. After I tried to push my local code changes, I got an error: 12 Answers ...
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What's the difference between “static” and “static inline” function?

IMO both make the function to have a scope of the translation unit only. 5 Answers 5 ...
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Difference between Math.Floor() and Math.Truncate()

What is the difference between Math.Floor() and Math.Truncate() in .NET? 12 Answers ...
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Get number of digits with JavaScript

As the title of my post suggests, I would like to know how many digits var number has. For example: If number = 15; my function should return 2 . Currently, it looks like this: ...
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How to set specific java version to Maven

On my machine I have two java versions installed: (1.6 and 1.7 installed manually by me). I need both of them for different projects. But for Maven I need 1.7, now my Maven uses 1,6 java version, how can I set Maven to use 1.7? ...
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How can I get Maven to stop attempting to check for updates for artifacts from a certain group from

I'm working on a fairly big Maven project. We have probably around 70 or so individual artifacts, which are roughly split into two libraries of shared code and maybe ten applications which use them. All of these items live in the namespace com.mycompany.* . ...
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What exactly do “IB” and “UB” mean?

I've seen the terms "IB" and "UB" used several times, particularly in the context of C++. I've tried googling them, but apparently those two-letter combinations see a lot of use. :P ...
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MySQL check if a table exists without throwing an exception

What is the best way to check if a table exists in MySQL (preferably via PDO in PHP) without throwing an exception. I do not feel like parsing the results of "SHOW TABLES LIKE" et cetera. There must be some sort of boolean query? ...