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Execute AsyncTask several times

In my Activity I use a class which extends from AsyncTask and a parameter which is an instance of that AsyncTask. When I call mInstanceOfAT.execute("") everything is fine. But the app crash when I press an update button which calls again the AsyncTask(In case the network job didnt work). Cause the...
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Why is JsonRequestBehavior needed?

...rgument, you should take that time to consider what data you are exposing, and how sensitive it is. – danludwig Dec 11 '11 at 14:42 11 ...
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How to use regex in String.contains() method in Java

I want to check if a String contains the words "stores", "store", and "product" in that order, no matter what is in between them. ...
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Hexadecimal To Decimal in Shell Script

... What ? bc is An arbitrary precision calculator language : an external command. – Gilles Quenot Nov 7 '12 at 23:40 11 ...
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How to get highcharts dates in the x axis?

Is there a standard way to get dates on the x-axis for Highcharts? Can't find it in their documentation: http://www.highcharts.com/ref/#xAxis--type ...
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How can I save an image with PIL?

...(PIL) using a post I found earlier to perform fourier transforms of images and I can't get the save function to work. The whole code works fine but it just wont save the resulting image: ...
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Where does the “flatmap that s***” idiomatic expression in Scala come from?

... a lot of tedious if/then/else code you would write with calls to flatMap (and other higher order functions). This is especially true for Options (see http://tonymorris.github.io/blog/posts/scalaoption-cheat-sheet/) But it applies to other monads as well (although I have to admit, I don't exactly...
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Group by with multiple columns using lambda

...y test for each object you're grouping by would fail since they're objects and not structs. – Jacob Aug 4 '11 at 2:17 ...
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bool operator ++ and --

... supports ++ (increment) for bool, but not -- (decrement). It this just a random decision, or there is some reason behind this? ...
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What do single quotes do in C++ when used on multiple characters?

... 0x74 -> 't' 0x65 -> 'e' 0x73 -> 's' 0x74 -> 't' Edit: C++ standard, §2.14.3/1 - Character literals (...) An ordinary character literal that contains more than one c-char is a multicharacter literal . A multicharacter literal has type int and implementation-defined value. ...