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Get person's age in Ruby

I'd like to get a person's age from its birthday. now - birthday / 365 doesn't work, because some years have 366 days. I came up with the following code: ...
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CursorLoader usage without ContentProvider

...ssed to the callbacks immediately. * <p/> * Must be called from the UI thread */ @Override protected void onStartLoading() { if (mCursor != null) { deliverResult(mCursor); } if (takeContentChanged() || mCursor == null) { fo...
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python date of the previous month

... from datetime import date, timedelta first_day_of_current_month = date.today().replace(day=1) last_day_of_previous_month = first_day_of_current_month - timedelta(days=1) print "Previous month:", last_day_of_previous_month.m...
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How do I create a class instance from a string name in ruby?

...stackoverflow.com%2fquestions%2f5924495%2fhow-do-i-create-a-class-instance-from-a-string-name-in-ruby%23new-answer', 'question_page'); } ); Post as a guest ...
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403 Forbidden vs 401 Unauthorized HTTP responses

... A clear explanation from Daniel Irvine: There's a problem with 401 Unauthorized, the HTTP status code for authentication errors. And that’s just it: it’s for authentication, not authorization. Receiving a 401 response is the server tel...
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Does a finally block always run?

... from the Sun Tutorials Note: If the JVM exits while the try or catch code is being executed, then the finally block may not execute. Likewise, if the thread executing the try or catch code is interrupted or kill...
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Making code internal but available for unit testing from other projects

...ting used in isolation. Therefore you shouldn't really be testing it apart from testing some other class that makes use of that object internally. Just as you shouldn't test private members of a class, you shouldn't be testing internal classes of a DLL. Those classes are implementation details of s...
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Returning value from called function in a shell script

I want to return the value from a function called in a shell script. Perhaps I am missing the syntax. I tried using the global variables. But that is also not working. The code is: ...
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What does Maven do, in theory and in practice? When is it worth to use it? [closed]

... of nice plug-ins that you can install that will handle many routine tasks from generating Java classes from an XSD schema using JAXB to measuring test coverage with Cobertura. Just add them to your pom.xml and they will integrate with everything else you want to do. The initial learning curve is ...
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Run an OLS regression with Pandas Data Frame

...das data frame and I would like to able to predict the values of column A from the values in columns B and C. Here is a toy example: ...