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Statistics: combinations in Python
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answered Jun 11 '10 at 18:29
Jouni K. SeppänenJouni K. Seppänen
33.9k55 gold badges6767 silver badges9696 bronze badges
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How do I clone a subdirectory only of a Git repository?
...7d5230379e4652f1b1da7ed1e78e0b8253e03ba3 master
8b25206ff90e9432f6f1a8600f87a7bd695a24af master/master
ef29f15c9a7c5417944cc09711b6a9ee51b01d89
19f7a4ca4a038aff89d803f017f76d2b66063043 mybranch
1b671b190e293aa091239b8b5e8c149411d00523 mybranch/mybranch
c3760bb1a0ece87cdbaf9a563c77a45e30a4e30e
a0234d...
In pure functional languages, is there an algorithm to get the inverse function?
...a)
composeBi :: Bi a b -> Bi b c -> Bi a c
composeBi (Bi a1 i1) (Bi a2 i2) = Bi (a2 . a1) (i1 . i2)
mapBi :: Bi a b -> Bi [a] [b]
mapBi (Bi a i) = Bi (map a) (map i)
bruteForceBi :: Eq b => [a] -> (a -> b) -> Bi a b
bruteForceBi domain f = Bi f (inv domain f)
I think you co...
What are the differences between double-dot “..” and triple-dot “…” in Git diff commit ranges?
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The top picture is equivalent to the bottom graph tree
A0 <- A1 <- A2 <- A3 (master)
\
C0 <- C1 (test)
A picture is worth a thousand words, the difference between .. ... ^ is shown below.
$ git log master..test
# output C0 C1
$ git log ^master test
# output C0 C1
$ git log ...
How to check whether a string is a valid HTTP URL?
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answered Sep 28 '11 at 10:30
Arabela PaslaruArabela Paslaru
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Android emulator and virtualbox cannot run at same time
...VirtualBox conflict.
Solved it by using ABI different from "x86" (armeabi-v7a in my case)
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Python string class like StringBuilder in C#?
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answered Mar 10 '10 at 5:11
Andrew HareAndrew Hare
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How can I round a number in JavaScript? .toFixed() returns a string?
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11 Answers
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Repeat each row of data.frame the number of times specified in a column
...en(nrow(df)).
– Marek
May 25 '10 at 11:54
This worked fantastically for a big data frame -- 1.5million rows, 5 cols, w...
How to change a module variable from another module?
...ginal bar.py:a object (None). This is why you can do from bar import a as a2 in __init__.py: in this case, it is clear that you have both bar/bar.py:a and a distinct variable name bar/__init__.py:a2 (in your case, the names of the two variables just happen to both be a, but they still live in diffe...