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How to do a less than or equal to filter in Django queryset?

I am attempting to filter users by a custom field in each users profile called profile. This field is called level and is an integer between 0-3. ...
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How to read keyboard-input?

... mixing different Pythons here (Python 2.x vs. Python 3.x)... This is basically correct: nb = input('Choose a number: ') The problem is that it is only supported in Python 3. As @sharpner answered, for older versions of Python (2.x), you have to use the function raw_input: nb = raw_input('Choose...
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Why are preprocessor macros evil and what are the alternatives?

I have always asked this but I have never received a really good answer; I think that almost any programmer before even writing the first "Hello World" had encountered a phrase like "macro should never be used", "macro are evil" and so on, my question is: why? With the new C++11 is there a real alte...
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How to get a variable name as a string in PHP?

... Actually now that I've tested my code, my code always returned 'var' because it's being used in the function. When I use $GLOBALS instead, it returns the correct variable name for some reason. So I'll change the above code to use...
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Django, creating a custom 500/404 error page

... for some reason request.user appears fine in the 404 template, but not at all in the 500 template (and they are almost identical) -- posted question on this here: stackoverflow.com/questions/26043211/… – Gravity Grave Sep 25 '14 at 16:13 ...
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Export specific rows from a PostgreSQL table as INSERT SQL script

....5.3, and my create statement was the same as yours except create view.... All I get in the output is the usual pg_dump comments and SET statements. Not sure where I'm going wrong. – poshest Nov 20 '16 at 15:19 ...
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“is” operator behaves unexpectedly with integers

...3): The current implementation keeps an array of integer objects for all integers between -5 and 256, when you create an int in that range you actually just get back a reference to the existing object. So it should be possible to change the value of 1. I suspect the behaviour of Py...
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Best way to strip punctuation from a string

...s working with the same datatype, but the approach in this answer works equally well for both, which is handy. – Richard J Jan 16 '15 at 9:35 38 ...
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Can we define implicit conversions of enums in c#?

... Isn't it basically re-implemented Java enum? – Agent_L Mar 21 '16 at 15:20 2 ...
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What is the purpose of std::make_pair vs the constructor of std::pair?

... Actually, the types should be deduced at compile time without the need to specify. – Chad Feb 14 '12 at 1:51 ...