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How do I pick randomly from an array?
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1140
Just use Array#sample:
[:foo, :bar].sample # => :foo, or :bar :-)
It is available in Ruby ...
foldl versus foldr behavior with infinite lists
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edited Jun 21 '10 at 15:31
answered Jun 21 '10 at 14:30
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Strings in a DataFrame, but dtype is object
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HYRYHYRY
78.9k2020 gold badges157157 silver badges168168 bronze badges
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How to test if list element exists?
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edited Oct 11 '11 at 3:01
answered Oct 10 '11 at 23:36
T...
How can I read a whole file into a string variable
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answered Nov 22 '12 at 14:04
zzzzzzzz
67.5k1414 gold badges154154 silver badges127127 bronze badges
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Programmatically get the cache line size?
...el), you can get this information out of /sys:
/sys/devices/system/cpu/cpu0/cache/
This directory has a subdirectory for each level of cache. Each of those directories contains the following files:
coherency_line_size
level
number_of_sets
physical_line_partition
shared_cpu_list
shared_cpu_map
s...
Check Whether a User Exists
...e-exists
– guettli
Oct 11 '13 at 11:09
24
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Calculate distance between 2 GPS coordinates
...d South locations are negative.
Remember minutes and seconds are out of 60 so S31 30' is -31.50 degrees.
Don't forget to convert degrees to radians. Many languages have this function. Or its a simple calculation: radians = degrees * PI / 180.
function degreesToRadians(degrees) {
return degre...
CocoaPods and GitHub forks
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190
I will answer this question using an example. I have a fork of TTTAttributedLabel with some extr...
How do you get the file size in C#?
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edited Nov 4 '14 at 20:36
Luca Cremonesi
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answer...