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'and' (boolean) vs '&' (bitwise) - Why difference in behavior with lists vs numpy arrays?
What explains the difference in behavior of boolean and bitwise operations on lists vs NumPy arrays?
8 Answers
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How to check if hex color is “too black”?
I'm trying to evaluate the darkness of a color chosen by a color picker to see if it's "too black", and if so, set it to white. I thought I could use the first characters of the hex value to pull this off. It's working, but it's switching some legitimately "light" colors too.
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How to save a list as numpy array in python?
Is possible to construct a NumPy array from a python list?
9 Answers
9
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Techniques for Tracing Constraints
Here's the scenario: I've written some code with a type signature and GHC complains could not deduce x ~ y for some x and y . You can usually throw GHC a bone and simply add the isomorphism to the function constraints, but this is a bad idea for several reasons:
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Is the NOLOCK (Sql Server hint) bad practice?
I'm in the business of making website and applications that are not mission critical -> eg. banking software, space flight, intensive care monitoring application, etc. You get the idea.
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Python: try statement in a single line
Is there a way in python to turn a try/except into a single line?
12 Answers
12
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How to design a database for User Defined Fields?
My requirements are:
14 Answers
14
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What is tail call optimization?
Very simply, what is tail-call optimization?
10 Answers
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How to convert a string into double and vice versa?
I want to convert a string into a double and after doing some math on it, convert it back to a string.
12 Answers
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Using {} in a case statement. Why?
What is the point with using { and } in a case statement? Normally, no matter how many lines are there in a case statement, all of the lines are executed. Is this just a rule regarding older/newer compilers or there is something behind that?
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