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Long vs Integer, long vs int, what to use and when?

...on primitive is a memory reference, static swapping does not work in java, more details here: journaldev.com/3884/… – Panthro Jan 27 '19 at 22:17  |  ...
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Why should eval be avoided in Bash, and what should I use instead?

... There's more to this problem than meets the eye. We'll start with the obvious: eval has the potential to execute "dirty" data. Dirty data is any data that has not been rewritten as safe-for-use-in-situation-XYZ; in our case, it's a...
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In-memory size of a Python structure

...[GCC 4.3.3] on linux2 Type "help", "copyright", "credits" or "license" for more information. >>> import sys >>> sys.getsizeof(dict) 436 >>> sys.getsizeof(dict()) 136 – LeMiz Aug 26 '09 at 15:43 ...
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How to document a method with parameter(s)?

...ring ''' This markup supports cross-referencing between documents and more. Note that the Sphinx documentation uses (e.g.) :py:attr: whereas you can just use :attr: when documenting from the source code. Naturally, there are other tools to document APIs. There's the more classic Doxygen which ...
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Regular expression to allow spaces between words

...... The above isn't exactly correct. Due to the fact that * means zero or more, it would match all of the following cases that one would not usually mean to match: An empty string, "". A string comprised entirely of spaces, "      ". A string that leads and / or trails with spaces, "   H...
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Failed to serialize the response in Web API with Json

...recommend not passing back entities that come from a database. It is much more reliable and maintainable to use Models in which you have control of what the data looks like and not the database. That way you don't have to mess around with the formatters so much in the WebApiConfig. You can just c...
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What is the difference between Fragment and FragmentActivity?

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How to programmatically take a screenshot on Android?

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How to implement one-to-one, one-to-many and many-to-many relationships while designing tables?

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How does an underscore in front of a variable in a cocoa objective-c class work?

... If you use the underscore prefix for your ivars (which is nothing more than a common convention, but a useful one), then you need to do 1 extra thing so the auto-generated accessor (for the property) knows which ivar to use. Specifically, in your implementation file, your synthesize should...