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Difference between object and class in Scala
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ziggystarziggystar
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Maven2: Best practice for Enterprise Project (EAR file)
..."1.0" encoding="utf-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId&g...
What does .SD stand for in data.table in R
...,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 orig...
Picking a random element from a set
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edited Dec 24 '16 at 12:36
Flow
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What is the best way to detect a mobile device?
...ont|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap|windows (ce|phone)|xda|xiino/i.test(navigator.userAgent)
|| /1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s\-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)...
How can I pass a list as a command-line argument with argparse?
...t;Required> Set flag', required=True)
# Use like:
# python arg.py -l 1234 2345 3456 4567
nargs='+' takes 1 or more arguments, nargs='*' takes zero or more.
append
parser.add_argument('-l','--list', action='append', help='<Required> Set flag', required=True)
# Use like:
# python arg.py -...
Adding an arbitrary line to a matplotlib plot in ipython notebook
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Paul Roub
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answered Oct 12 '12 at 19:43
gcalmettesgcalmet...
How to import an existing X.509 certificate and private key in Java keystore to use in SSL?
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answered May 25 '09 at 17:42
MatejMatej
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What is Haskell used for in the real world? [closed]
...g-is-important-in-a-mixed-environment
https://web.archive.org/web/20160626145828/http://blog.kickino.org/archives/2007/05/22/T22_34_16/
https://useless-factor.blogspot.com/2007/05/advantage-of-functional-programming.html
sh...
How do you implement a class in C? [closed]
...t main(void)
{
RectangleClass r1;
rectangle_new_with_lengths(&r1, 4.f, 5.f);
printf("rectangle r1's area is %f units square\n", shape_computeArea(&r1));
return 0;
}
I hope this gives you some ideas, at least. For a successful and rich object-oriented framework in C, look into glib...