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NameError: global name 'unicode' is not defined - in Python 3

...rying to use a Python package called bidi. In a module in this package (algorithm.py) there are some lines that give me error, although it is part of the package. ...
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How to check whether an array is empty using PHP?

players will either be empty or a comma separated list (or a single value). What is the easiest way to check if it's empty? I'm assuming I can do so as soon as I fetch the $gameresult array into $gamerow ? In this case it would probably be more efficient to skip exploding the $playerlist if it...
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SHA1 vs md5 vs SHA256: which to use for a PHP login?

I'm making a php login, and I'm trying to decide whether to use SHA1 or Md5, or SHA256 which I read about in another stackoverflow article. Are any of them more secure than others? For SHA1/256, do I still use a salt? ...
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How does the C code that prints from 1 to 1000 without loops or conditional statements work?

I've found C code that prints from 1 to 1000 without loops or conditionals : But I don't understand how it works. Can anyone go through the code and explain each line? ...
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Get unique values from a list in python [duplicate]

...e beginning, instead of a list. Then your code should be: output = set() for x in trends: output.add(x) print(output) As it has been pointed out, sets do not maintain the original order. If you need that, you should look for an ordered set implementation (see this question for more). ...
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NOT using repository pattern, use the ORM as is (EF)

I always used Repository pattern but for my latest project I wanted to see if I could perfect the use of it and my implementation of “Unit Of Work”. The more I started digging I started asking myself the question: "Do I really need it?" ...
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What's the difference between and , and ?

... They have the same effect on normal web browser rendering engines, but there is a fundamental difference between them. As the author writes in a discussion list post: Think of three different situations: web browsers blind people mobile phones "Bold...
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Should IBOutlets be strong or weak under ARC?

I am developing exclusively for iOS 5 using ARC. Should IBOutlet s to UIView s (and subclasses) be strong or weak ? 11...
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NumPy or Pandas: Keeping array type as integer while having a NaN value

...e a preferred way to keep the data type of a numpy array fixed as int (or int64 or whatever), while still having an element inside listed as numpy.NaN ? ...
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What does SynchronizationContext do?

...tion "where" code might be executed. Delegates that are passed to its Send or Post method will then be invoked in that location. (Post is the non-blocking / asynchronous version of Send.) Every thread can have a SynchronizationContext instance associated with it. The running thread can be associated...