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How do I clear the terminal screen in Haskell?
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Under Linux (Ubuntu at least), that's the code I use for clearing the terminal:
import qualified System.Process as SP
clearScreen :: IO ()
clearScreen = do
_ <- SP.system "reset"
return ()
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How to calculate moving average using NumPy?
...alculus (integrate).
My guess is that the function you are after is in at least one of the SciPy subpackages (scipy.signal perhaps); however, i would look first in the collection of SciPy scikits, identify the relevant scikit(s) and look for the function of interest there.
Scikits are independentl...
Pretty-print a Map in Java
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If you're going to necro a question, at least answer it correctly! You're missing the quotes around the value and it should be joined using ,
– AjahnCharles
Sep 14 '17 at 15:29
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git + LaTeX workflow
...tions, most of which you don't agree with. Yet, you might be expected to atleast change them for the time being, even if they are reverted later after discussions. So in such cases, you could create a new branch advisor and make changes to their liking, at the same time maintaining your own developm...
How can I check if string contains characters & whitespace, not just whitespace?
... string to see if there's only whitespace, just check to see if there's at least one character of non whitespace:
if (/\S/.test(myString)) {
// string is not empty and not just whitespace
}
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How to use find command to find all files with extensions from list?
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if you could at least explain differencies with other answers.
– el-teedee
May 1 '19 at 21:50
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What key shortcuts are to comment and uncomment code?
... Ctrl+C and Ctrl+K, Ctrl+U. I would guess that these are the defaults, at least in the C++ defaults, but I don't know for sure. The best way to find out is to check your settings.)
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How do I get a platform-dependent new line character?
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this doesn't work, at least, with a string going in to a log4j statement. Creating an example with a newline at the end is potentially hiding the problem. Also, the String s2 is just confusing using '%%n'
– Stealth Rabbi
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Add 10 seconds to a Date
... = d.add(10, 'seconds');
22,549 Ops/sec, 100% slower
So maybe its the least human readable (not that bad) but the fastest way of going :)
jspref online tests
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Ruby on Rails: How can I revert a migration with rake db:migrate?
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At least for rails 3.0.20, the first command is wrong. A single rake db:migrate:down aborts with the error message "VERSION is required". The recommended rake db:rollback however works.
– martin
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