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Find value in an array
...rray, and if that's the case, you can use Array#include?(value):
a = [1,2,3,4,5]
a.include?(3) # => true
a.include?(9) # => false
If you mean something else, check the Ruby Array API
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How to get a specific output iterating a hash in Ruby?
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328
hash.each do |key, array|
puts "#{key}-----"
puts array
end
Regarding order I should add...
Waiting until two async blocks are executed before starting another block
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305
Use dispatch groups: see here for an example, "Waiting on Groups of Queued Tasks" in the "Disp...
while (1) vs. while(True) — Why is there a difference (in python 2 bytecode)?
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3 Answers
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Concatenate two slices in Go
I'm trying to combine the slice [1, 2] and the slice [3, 4] . How can I do this in Go?
7 Answers
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How to calculate moving average using NumPy?
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173
If you just want a straightforward non-weighted moving average, you can easily implement it with...
How to convert a data frame column to numeric type?
...ac num
1 a 1 1 a 1
2 b 2 2 b 2
3 c 3 3 c 3
4 d 4 4 d 4
5 e 5 5 e 5
and let us run:
> sapply(d, mode)
char fake_char fac char_fac num
"character" "character...
Converting int to bytes in Python 3
I was trying to build this bytes object in Python 3:
13 Answers
13
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Deleting an element from an array in PHP
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38 Answers
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How to calculate a Mod b in Casio fx-991ES calculator
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135
This calculator does not have any modulo function. However there is quite simple way how to com...