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Asking the user for input until they give a valid response

...logic. while True: data = input("Please enter a loud message (must be all caps): ") if not data.isupper(): print("Sorry, your response was not loud enough.") continue else: #we're happy with the value given. #we're ready to exit the loop. break w...
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LINQ Select Distinct with Anonymous Types

...on of objects. The exact type isn't important. From it I want to extract all the unique pairs of a pair of particular properties, thusly: ...
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UnicodeDecodeError: 'ascii' codec can't decode byte 0xef in position 1

...;> s1 = s.decode('utf-8') >>> print s1 Traceback (most recent call last): File "<stdin>", line 1, in <module> UnicodeEncodeError: 'ascii' codec can't encode characters in position 1-5: ordinal not in range(128) >>> Consult the docs for your linux variant to disc...
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Running single test from unittest.TestCase via command line

... Just noticed that this works only if the method is called "test*", so unfortunately it cannot be used to occasionally run test that is "disabled" by rename – Alois Mahdal Apr 15 '13 at 12:29 ...
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Or versus OrElse

...oth terms. When temp Is DBNull.Value, it can't be compared to zero, so it falls over. You should use... well, whichever one makes sense. share | improve this answer | follow...
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How to determine the version of the C++ standard used by the compiler?

... By my knowledge there is no overall way to do this. If you look at the headers of cross platform/multiple compiler supporting libraries you'll always find a lot of defines that use compiler specific constructs to determine such things: /*Define Microsoft V...
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How do you run your own code alongside Tkinter's event loop?

...tion for the after method: def after(self, ms, func=None, *args): """Call function once after given time. MS specifies the time in milliseconds. FUNC gives the function which shall be called. Additional parameters are given as parameters to the function call. Return identifier...
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What is a mixin, and why are they useful?

... Probably not an issue in this example, but you generally want to put the main base class as the last element within the parenthesis so to create the inheritance chain: Request==>Mixin==>...==>BaseRequest. See here: ianlewis.org/en/mixins-and-python ...
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How to check if an object is a generator object in python?

... @JAB, @Piotr: Reflected to address all the possibilities of what the OP can mean , thanks JAB :) – mouad Jun 20 '11 at 19:57 1 ...
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String concatenation in Ruby

...ficient in term of memory/speed from what I've seen (not measured though). All three methods will throw an uninitialized constant error when ROOT_DIR is nil. When dealing with pathnames, you may want to use File.join to avoid messing up with pathname separator. In the end, it is a matter of taste....