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How can I multiply and divide using only bit shifting and adding?
How can I multiply and divide using only bit shifting and adding?
14 Answers
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How to avoid isset() and empty()
... mean you should.
These warnings are there to help you, not to annoy you. If you get a warning "You're trying to work with something that doesn't exist!", your reaction should be "Oops, my bad, let me fix that ASAP." How else are you going to tell the difference between "variables that work just fi...
How to find list intersection?
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If order is not important and you don't need to worry about duplicates then you can use set intersection:
>>> a = [1,2,3,4,5]
>>> b = [1,3,5,6]
>>> list(set(a) & set(b))
[1, 3, 5]
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Is there a math nCr function in python? [duplicate]
I'm looking to see if built in with the math library in python is the nCr (n Choose r) function:
2 Answers
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Disable individual Python unit tests temporarily
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In Python 3, Akif's answer below @unittest.SkipTest works and not @unittest.skip
– lifebalance
May 13 '17 at 18:48
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What algorithm does Readability use for extracting text from URLs?
...gave it up as a problem that cannot be accurately determined. (I've tried different ways but none were reliable)
4 Answers
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Is there a wikipedia API just for retrieve content summary?
... How can I get information from this JSON response if I don't know pages number. I can't access JSON array containing "extract"
– Laurynas G
Mar 10 '16 at 22:35
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ZSH complains about RVM __rvm_cleanse_variables: function definition file not found
...he -f flag, doesn't seem necessary to bypass the remove file confirmation (if the user has it set in the first place)
– pech0rin
Dec 5 '16 at 21:38
add a comment
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How to check for an active Internet connection on iOS or macOS?
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Use of www.appleiphonecell.com is now (2018) a bad choice. It now redirects to Apple.com which is a > 40kB html file. Back to google.com - it is only 11kB. BTW google.com/m is same size but is reported to be slower by 120 msec.
– Blu...
Adding an arbitrary line to a matplotlib plot in ipython notebook
.... What about diagonal lines? I edited the question to add the diagonal bit now that you've shown me the h & v lines.
– JD Long
Oct 12 '12 at 17:51
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