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How to check if a String is numeric in Java

... the checks to fail due to not being a number then performance of this mechanism will not be great, since you're relying upon exceptions being thrown for each failure, which is a fairly expensive operation. An alternative approach may be to use a regular expression to check for validity of being a ...
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Why do Twitter Bootstrap tables always have 100% width?

Suppose this markup: 6 Answers 6 ...
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Android Studio - How to Change Android SDK Path

...Villaca and @GauravAgarwal, You guys are mistaken. Android Studio isn't organized like ADT Eclipse at all. And this accepted answer leads to the exact same place as DheeB's answer (which brings you to a place that says: Android SDK location: This location will be used for new projects, and for exist...
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External VS2013 build error “error MSB4019: The imported project was not found”

I am building a project through the command line and not inside Visual Studio 2013. Note, I had upgraded my project from Visual Studio 2012 to 2013. The project builds fine inside the IDE. Also, I completely uninstalled VS2012 first, rebooted, and installed VS2013. The only version of Visual Studio ...
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Mockito - difference between doReturn() and when()

I am currently in the process of using Mockito to mock my service layer objects in a Spring MVC application in which I want to test my Controller methods. However, as I have been reading on the specifics of Mockito, I have found that the methods doReturn(...).when(...) is equivalent to when(...)....
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Truncate Two decimal places without rounding

Lets say I have a value of 3.4679 and want 3.46, how can I truncate to two decimal places that without rounding up? 21 Answ...
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Using a custom image for a UITableViewCell's accessoryView and having it respond to UITableViewDeleg

I'm using a custom drawn UITableViewCell, including the same for the cell's accessoryView . My setup for the accessoryView happens by the way of something like this: ...
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How to write LaTeX in IPython Notebook?

How can I display LaTeX code in a IPython Notebook? 13 Answers 13 ...
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MySQL skip first 10 results

Is there a way in MySQL to have the first 10 result from a SELECT query skipped? I'd like it to work something like LIMIT. ...
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Pad a string with leading zeros so it's 3 characters long in SQL Server 2008

I have a string that is up to 3 characters long when it's first created in SQL Server 2008 R2. 17 Answers ...