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How many bytes in a JavaScript string?
...vascript string which is about 500K when being sent from the server in UTF-8. How can I tell its size in JavaScript?
13 Ans...
Selecting with complex criteria from pandas.DataFrame
...>>> df
A B C
0 9 40 300
1 9 70 700
2 5 70 900
3 8 80 900
4 7 50 200
5 9 30 900
6 2 80 700
7 2 80 400
8 5 80 300
9 7 70 800
We can apply column operations and get boolean Series objects:
>>> df["B"] > 50
0 False
1 True
2 True
3 ...
Annotating text on individual facet in ggplot2
...ta.frame(mpg = 15,wt = 5,lab = "Text",
cyl = factor(8,levels = c("4","6","8")))
p + geom_text(data = ann_text,label = "Text")
It should work without specifying the factor variable completely, but will probably throw some warnings:
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How to get terminal's Character Encoding
... change my gnome-terminal's character encoding to "GBK" (default it is UTF-8), but how can I get the value(character encoding) in my Linux?
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Docker build “Could not resolve 'archive.ubuntu.com'” apt-get fails to install anything
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Uncommenting DOCKER_OPTS="--dns 8.8.8.8 --dns 8.8.4.4" in /etc/default/docker as Matt Carrier suggested did NOT work for me. Nor did putting my corporation's DNS servers in that file. But, there's another way (read on).
First, let's verify the problem:
$ ...
Is there an equivalent for the Zip function in Clojure Core or Contrib?
...res a good understanding of the language, though, and the vanilla Haskell 98 probably doesn't support them at all, thus fixed arity functions are preferrable for the standard library.)
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impro...
What does the “|” (single pipe) do in JavaScript?
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edited Jul 18 '14 at 9:18
Anto
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ans...
Counting inversions in an array
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edited Aug 29 '14 at 9:48
barghest
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answered Jun 21 '11 at 11:58
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How is it possible to declare nothing inside main() in C++ and yet have a working application after
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answered Jul 8 '13 at 15:17
NawazNawaz
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