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Android: ProgressDialog.show() crashes with getApplicationContext

...t what the problem is then this was fixed in Android 1.6 (API version 4). It looks like the object reference that getApplicationContext() is returning just points to null. I think you're having a problem similar to one I had in that some of the code in the onCreate() is being run before the window ...
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How can I set the default timezone in node.js?

...the TZ environment variable before calling any date functions. Just tested it and it works. > process.env.TZ = 'Europe/Amsterdam' 'Europe/Amsterdam' > d = new Date() Sat, 24 Mar 2012 05:50:39 GMT > d.toLocaleTimeString() '06:50:39' > ""+d 'Sat Mar 24 2012 06:50:39 GMT+0100 (CET)' You...
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C/C++ Struct vs Class

After finishing my C++ class it seemed to me the structs/classes are virtually identical except with a few minor differences. ...
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HTML 5 strange img always adds 3px margin at bottom [duplicate]

When I change my website to 11 Answers 11 ...
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In log4j, does checking isDebugEnabled before logging improve performance?

...there to prevent potentially expensive computation of the log message when it involves invocation of the toString() methods of various objects and concatenating the results. In the given example, the log message is a constant string, so letting the logger discard it is just as efficient as checking...
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Why use pip over easy_install? [closed]

... Many of the answers here are out of date for 2015 (although the initially accepted one from Daniel Roseman is not). Here's the current state of things: Binary packages are now distributed as wheels (.whl files)—not just on PyPI, but in third-party repositories like Christoph Gohlke's Ex...
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What issues should be considered when overriding equals and hashCode in Java?

What issues / pitfalls must be considered when overriding equals and hashCode ? 11 Answers ...
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How to import other Python files?

... importlib was added to Python 3 to programmatically import a module. It is just a wrapper around __import__, see the docs. import importlib moduleName = input('Enter module name:') importlib.import_module(moduleName) Note: the .py extension should be removed from moduleName. The function a...
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Task not serializable: java.io.NotSerializableException when calling function outside closure only o

...ng your task to fail. Now this doesn't mean that you can serialise an RDD with Spark and avoid NotSerializableException Spark is a distributed computing engine and its main abstraction is a resilient distributed dataset (RDD), which can be viewed as a distributed collection. Basically, RDD's elemen...
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What exactly does += do in python?

I need to know what += does in python. It's that simple. I also would appreciate links to definitions of other short hand tools in python. ...