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finding the type of an element using jQuery
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MariusMarius
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Pandas aggregate count distinct
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153
How about either of:
>>> df
date duration user_id
0 2013-04-01 30 ...
How to read the RGB value of a given pixel in Python?
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answered Sep 26 '08 at 8:15
Dave WebbDave Webb
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Git stash twice
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stash@{0}: WIP on dev: 1f6f8bb Commit message A
stash@{1}: WIP on master: 50cf63b Commit message B
If you made two stashes, then just call git stash pop twice. As opposed to git stash apply, pop applies and removes the latest stash.
You can also reference a specific stash, e.g.
git stash show s...
Struct inheritance in C++
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answered Jun 11 '09 at 3:45
Suvesh PratapaSuvesh Pratapa
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assertEquals vs. assertEqual in python
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215
Good question!
Actually, in Python 2.6, both assertEqual and assertEquals are convenience alias...
What does .SD stand for in data.table in R
...=c(1,3), v=1:6)
setkey(DT, y)
DT
# x y v
# 1: a 1 1
# 2: b 1 3
# 3: c 1 5
# 4: a 3 2
# 5: b 3 4
# 6: c 3 6
Doing this may help you see what .SD is:
DT[ , .SD[ , paste(x, v, sep="", collapse="_")], by=y]
# y V1
# 1: 1 a1_b3_c5
# 2: 3 a2_b4_c6
Basically, the by=y statement breaks the ...
How can I split and parse a string in Python?
I am trying to split this string in python: 2.7.0_bf4fda703454
3 Answers
3
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What's a standard way to do a no-op in python?
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answered Mar 27 '09 at 17:05
Brian R. BondyBrian R. Bondy
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Can you avoid Gson converting “” into unicode escape sequences?
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edited Aug 17 '19 at 5:55
Bernardo Ferrari
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answered Nov 10 '10 a...