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What is the difference between NaN and None?
... reason to use NaN (over None) is that it can be stored with numpy's float64 dtype, rather than the less efficient object dtype, see NA type promotions.
# without forcing dtype it changes None to NaN!
s_bad = pd.Series([1, None], dtype=object)
s_good = pd.Series([1, np.nan])
In [13]: s_bad.dtype
...
How do I squash two non-consecutive commits?
...an editor, and you see a file like this, ex: git rebase --interactive HEAD~4
pick aaaaaaa Commit A
pick bbbbbbb Commit B
pick ccccccc Commit C
pick ddddddd Commit D
# Rebase aaaaaaa..ddddddd onto 1234567 (4 command(s))
#
# Commands:
# p, pick = use commit
# r, reword = use commit, but edit the com...
`new function()` with lower case “f” in JavaScript
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64
I've seen that technique before, it's valid, you are using a function expression as if it were a...
Android Studio IDE: Break on Exception
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answered Mar 4 '15 at 18:53
CJBSCJBS
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What is the meaning of erb?
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ChowlettChowlett
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How can I show the name of branches in `git log`?
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answered Dec 3 '09 at 17:14
CB BaileyCB Bailey
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Set margin size when converting from Markdown to PDF with pandoc
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248
Recent versions of rmarkdown and pandoc
In more recent versions of rmarkdown, the settings of ...
Reference: Comparing PHP's print and echo
... PRINT ~3 ~2
4 FREE ~3
5 > RETURN 1
The very first opcode that gets generated is that corresponding to the 'print ...
What is the IntelliJ shortcut key to create a javadoc comment?
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edited Jan 4 '17 at 1:53
Jared Burrows
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