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Android Drawing Separator/Divider Line in Layout?

I would like to draw a line right in the middle of a layout and use it as a separator of other items like TextView. Is there a good widget for this. I don't really want to use an image as it would be hard to match the other components to it. And I want it to be relatively positioned as well. Than...
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Does Java casting introduce overhead? Why?

Is there any overhead when we cast objects of one type to another? Or the compiler just resolves everything and there is no cost at run time? ...
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What are the best Haskell libraries to operationalize a program? [closed]

If I'm going to put a program into production, there are several things I need that program to do in order to consider it "operationalized" – that is, running and maintainable in a measurable and verifiable way by both engineers and operations staff. For my purposes, an operationalized program mus...
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What is the maximum value for an int32?

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Unable to cast object of type 'System.DBNull' to type 'System.String`

I got the above error in my app. Here is the original code 11 Answers 11 ...
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Return index of greatest value in an array

I have this: 12 Answers 12 ...
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How do I format a number with commas in T-SQL?

I'm running some administrative queries and compiling results from sp_spaceused in SQL Server 2008 to look at data/index space ratios of some tables in my database. Of course I am getting all sorts of large numbers in the results and my eyes are starting to gloss over. It would be really conveni...
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LINQ's Distinct() on a particular property

I am playing with LINQ to learn about it, but I can't figure out how to use Distinct when I do not have a simple list (a simple list of integers is pretty easy to do, this is not the question). What I if want to use Distinct on a list of an Object on one or more properties of the object? ...
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How to clear the cache of nginx?

I use nginx to as the front server, I have modified the CSS files, but nginx is still serving the old ones. 22 Answers ...
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Difference between SRC and HREF

The SRC and HREF attributes are used to include some external entities like an image, a CSS file, a HTML file, any other web page or a JavaScript file. ...