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Android - implementing startForeground for a service?

So I'm not sure where/how to implement this method to make my service run in the foreground. Currently I start my service by the following in another activity: ...
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Algorithm to detect overlapping periods [duplicate]

I've to detect if two time periods are overlapping. Every period has a start date and an end date. I need to detect if my first time period (A) is overlapping with another one(B/C). In my case, if the start of B is equal to the end of A, they are not overlapping(the inverse too) I found th...
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HorizontalAlignment=Stretch, MaxWidth, and Left aligned at the same time?

This seems like it should be easy but I'm stumped. In WPF, I'd like a TextBox that stretches to the width of it's parent, but only to a maximum width. The problem is that I want it to be left justified within its parent. To get it to stretch you have to use HorizontalAlignment="Stretch", but then th...
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Regex Named Groups in Java

It is my understanding that the java.regex package does not have support for named groups ( http://www.regular-expressions.info/named.html ) so can anyone point me towards a third-party library that does? ...
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What's the difference between an object initializer and a constructor?

What are the differences between the two and when would you use an "object initializer" over a "constructor" and vice-versa? I'm working with C#, if that matters. Also, is the object initializer method specific to C# or .NET? ...
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Can a C# class inherit attributes from its interface?

This would appear to imply "no". Which is unfortunate. 8 Answers 8 ...
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How to store a dataframe using Pandas

Right now I'm importing a fairly large CSV as a dataframe every time I run the script. Is there a good solution for keeping that dataframe constantly available in between runs so I don't have to spend all that time waiting for the script to run? ...
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Why use ICollection and not IEnumerable or List on many-many/one-many relationships?

I see this a lot in tutorials, with navigation properties as ICollection<T> . 9 Answers ...
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Do Java arrays have a maximum size?

Is there a limit to the number of elements a Java array can contain? If so, what is it? 9 Answers ...
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When to use ' (or quote) in Lisp?

After making it through the major parts of an introductory Lisp book, I still couldn't understand what the special operator (quote) (or equivalent ' ) function does, yet this has been all over Lisp code that I've seen. ...