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Should I use a class or dictionary?

...ould your __init__ code go? Classes are for bundling related data (and usually code). Dictionaries are for storing key-value relationships, where usually the keys are all of the same type, and all the values are also of one type. Occasionally they can be useful for bundling data when the key/attri...
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When is the finalize() method called in Java?

I need to know when the finalize() method is called in the JVM . I created a test class which writes into a file when the finalize() method is called by overriding it. It is not executed. Can anybody tell me the reason why it is not executing? ...
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onNewIntent() lifecycle and registered listeners

...ivities which already run somewhere else in the stack and therefore can't call onCreate(). From activities lifecycle point of view it's therefore needed to call onPause() before onNewIntent(). I suggest you to rewrite your activity to not use these listeners inside of onNewIntent(). For example most...
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How to enumerate an object's properties in Python?

...oes not return dynamic members (i.e., object attributes and methods dynamically defined by that object's __getattr__() method or similar magic). In all likelihood, your desired file.ImplementationName property is defined dynamically and hence not available to vars() or dir(). –...
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List all indexes on ElasticSearch server?

I would like to list all indexes present on an ElasticSearch server. I tried this: 22 Answers ...
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How to list all functions in a Python module?

I have a python module installed on my system and I'd like to be able to see what functions/classes/methods are available in it. ...
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How are 3D games so efficient? [closed]

...dware. For instance, one easy optimization you can make involves not actually trying to draw things that can't be seen. Consider a complex scene like a cityscape from Grand Theft Auto IV. The renderer isn't actually rendering all of the buildings and structures. Instead, it's rendering only what t...
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Is there a simple, elegant way to define singletons? [duplicate]

... I don't really see the need, as a module with functions (and not a class) would serve well as a singleton. All its variables would be bound to the module, which could not be instantiated repeatedly anyway. If you do wish to use a cla...
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How to play an android notification sound

...also set this to play through STREAM_NOTIFICATION so it is played with the OS current notification volume preference: .setSound(soundUri, AudioManager.STREAM_NOTIFICATION) – mwk Aug 4 '14 at 13:49 ...
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Add margin between a RadioButton and its label in Android?

Is it possible to add a little bit of space between a RadioButton and the label while still using Android's built-in components? By default the text looks a little scrunched. ...