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What's the best way to share data between activities?

... What you can use: passing data between activities (like Cristian said) using a class with a lot of static variables (so you can call them without an instance of the class and without using getter/setter) Using a database Sh...
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What's the difference(s) between .ToList(), .AsEnumerable(), AsQueryable()?

... focus on AsEnumerable and AsQueryable and mention ToList() along the way. What do these methods do? AsEnumerable and AsQueryable cast or convert to IEnumerable or IQueryable, respectively. I say cast or convert with a reason: When the source object already implements the target interface, the sour...
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What does asterisk * mean in Python? [duplicate]

...w empty dictionary. Also, see Function Calls. Assuming that one knows what positional and keyword arguments are, here are some examples: Example 1: # Excess keyword argument (python 2) example: def foo(a, b, c, **args): print "a = %s" % (a,) print "b = %s" % (b,) print "c = %s" % ...
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Why is f(i = -1, i = -1) undefined behavior?

... +1e+6 (ok, +1) for the point that compiled code isn't always what you would expect. Optimizers are really good at throwing these sorts of curves at you when you don't follow the rules :P – Corey Feb 11 '14 at 6:34 ...
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What is “android:allowBackup”?

... other lint warnings, note that you can get a fuller explanation than just what is in the one line error message; you don't have to search the web for more info. If you are using lint via Eclipse, either open the lint warnings view, where you can select the lint error and see a longer explanation, ...
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What is a raw type and why shouldn't we use it?

... What is a raw type? The Java Language Specification defines a raw type as follows: JLS 4.8 Raw Types A raw type is defined to be one of: The reference type that is formed by taking the name of a generic type declaration wit...
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What are the implications of using “!important” in CSS? [duplicate]

...ts further down the line. That doesn't mean it's never okay to use though. What's wrong with !important: Specificity is one of the main forces at work when the browser decides how CSS affects the page. The more specific a selector is, the more importance is added to it. This usually coincides with h...
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What's the difference between isset() and array_key_exists()? [duplicate]

...etting a warning, without missing the existing key when its value is null (what were the PHP devs thinking would also be an interesting question, but certainly not relevant on SO). And of course we don't want to use @ isset($var[$key]); // silent but misses null values array_key_exists($...
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What is DOCTYPE?

Lastly, what is the proper DOCTYPE that I should be using? 8 Answers 8 ...
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What is the best practice for dealing with passwords in git repositories?

...e to access twitter and pop up a Growl notification in certain situations. What's the best way to handle storing my password with the script? ...