Sergey Tokarenko stokarenko
stokarenko
/ class_ancestors.rb
Created
June 18, 2018 08:31
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| module A | |
| def func | |
| p 'A' | |
| super | |
| end | |
| end | |
| class B | |
| def func | |
| p 'B' |
stokarenko
/ array_to_hash.rb
Last active
January 30, 2018 10:58
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| require 'benchmark' | |
| require 'benchmark/ips' | |
| seed = [1,2,3] | |
| map_proc = ->(i){ [i,i] } | |
| Benchmark.ips do |x| | |
| x.report('inject') { seed.inject({}){ |mem, i| mem[i]=i; mem } } | |
| x.report('to_h') { seed.map(&map_proc).to_h } | |
| x.report('Hash[map]') { Hash[seed.map(&map_proc)] } |
stokarenko
/ capybara_chrome.rb
Created
August 29, 2017 11:12
Headless Chrome within RSpec & Capybara
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| # spec/support/capybara_chrome.rb | |
| require 'selenium/webdriver' | |
| require 'capybara/rspec' | |
| require 'capybara-screenshot/rspec' | |
| RSpec.configure do | |
| Capybara.server = :puma | |
| Capybara.server_port = 5000 |
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| require 'benchmark' | |
| require 'benchmark/ips' | |
| NORMAL_ITERATIONS = 100 | |
| LONG_ITERATIONS = 2000 | |
| def map_to_self(array, iterations) | |
| iterations.times do | |
| array = array.map{ |i| i } | |
| end |
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| require 'benchmark' | |
| MAX = 10**8 | |
| puts Benchmark.measure{ | |
| a = MAX | |
| while(true) | |
| a -= 1 | |
| break if a == 0 |
stokarenko
/ bitwise_operators_in_ruby.rb
Last active
December 7, 2015 16:49
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| require 'benchmark' | |
| require 'benchmark/ips' | |
| seed = 1239012 | |
| Benchmark.ips do |x| | |
| x.report('bitwise multiplication by 2') { seed << 1 } | |
| x.report('arithmetic multiplication by 2') { seed * 2 } | |
| x.report('bitwise division by 2') { seed >> 1 } |
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| $ ssh-add ~/.ssh/id_rsa_some_other_github_account_name | |
| $ git clone git@some_other_github_account_name.github.com:community/repo.git | |
| # Add to repo/.git/config the `name` section like this | |
| # [user] | |
| # name = some_other_github_account_name | |
| # email = [email protected] |