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How to round a number to n decimal places in Java

What I would like is a method to convert a double to a string which rounds using the half-up method - i.e. if the decimal to be rounded is 5, it always rounds up to the next number. This is the standard method of rounding most people expect in most situations. ...
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Wildcards in a Windows hosts file

I want to setup my local development machine so that any requests for *.local are redirected to localhost . The idea is that as I develop multiple sites, I can just add vhosts to Apache called site1.local , site2.local etc, and have them all resolve to localhost , while Apache serves a differ...
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Can I automatically increment the file build version when using Visual Studio?

I was just wondering how I could automatically increment the build (and version?) of my files using Visual Studio (2005). ...
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What does the constant 0.0039215689 represent?

I keep seeing this constant pop up in various graphics header files 2 Answers 2 ...
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[A]System.Web.WebPages.Razor.Configuration.HostSection cannot be cast to… web.config issue

I am getting the following error: 6 Answers 6 ...
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Converting a column within pandas dataframe from int to string

I have a dataframe in pandas with mixed int and str data columns. I want to concatenate first the columns within the dataframe. To do that I have to convert an int column to str . I've tried to do as follows: ...
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Create list of single item repeated N times

I want to create a series of lists, all of varying lengths. Each list will contain the same element e , repeated n times (where n = length of the list). ...
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Putting an if-elif-else statement on one line?

I have read the links below, but it doesn't address my question. Does Python have a ternary conditional operator? (the question is about condensing if-else statement to one line) ...
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How do I efficiently iterate over each entry in a Java Map?

If I have an object implementing the Map interface in Java and I wish to iterate over every pair contained within it, what is the most efficient way of going through the map? ...
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Why am I getting a “401 Unauthorized” error in Maven?

Why am I getting a "401 Unauthorized" error in Maven? 21 Answers 21 ...