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Is there a performance gain in using single quotes vs double quotes in ruby?
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$ ruby -v
ruby 1.9.3p0 (2011-10-30 revision 33570) [x86_64-darwin11.0.0]
$ cat benchmark_quotes.rb
# As of Ruby 1.9 Benchmark must be required
require 'benchmark'
n = 1000000
Benchmark.bm(15) do |x|
x.report("assign single") { n.times do; c...
How do I parallelize a simple Python loop?
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13 Answers
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Open and write data to text file using Bash?
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edited Nov 13 '14 at 18:40
Martin Tournoij
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Reloading module giving NameError: name 'reload' is not defined
I'm trying to reload a module I have already imported in Python 3. I know that you only need to import once and executing the import command again won't do anything.
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Adding a column to a data.frame
...cording to column 1 ( h_no ) in that way that the first series of h_no 1,2,3,4 is class 1, the second series of h_no (1 to 7) is class 2 etc. such as indicated in the last column.
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What is the difference between shallow copy, deepcopy and normal assignment operation?
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367
Normal assignment operations will simply point the new variable towards the existing object. T...
How to get all possible combinations of a list’s elements?
...a list with 15 numbers in, and I need to write some code that produces all 32,768 combinations of those numbers.
27 Answer...
How do I format a string using a dictionary in python-3.x?
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23
Since the question is specific to Python 3, here's using the new f-string syntax, available sinc...