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Oleksii Levzhynskyi oleksiilevzhynskyi

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  • Kyiv, UA
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@oleksiilevzhynskyi
oleksiilevzhynskyi / nginx-cors.conf
Created July 10, 2013 10:17 — forked from algal/nginx-cors.conf
#
# A CORS (Cross-Origin Resouce Sharing) config for nginx
#
# == Purpose
#
# This nginx configuration enables CORS requests in the following way:
# - enables CORS just for origins on a whitelist specified by a regular expression
# - CORS preflight request (OPTIONS) are responded immediately
# - Access-Control-Allow-Credentials=true for GET and POST requests
@oleksiilevzhynskyi
oleksiilevzhynskyi / js_oop_quiz.md
Created July 9, 2013 11:37

#Quiz:

  1. What’s the result of:

     function A() {}
 A.prototype.name = 'A';

 var a = new A();
 var b = new A();
@oleksiilevzhynskyi
oleksiilevzhynskyi / functional_quiz.md
Created July 8, 2013 11:24

#Quiz:

  1. What’s the result of:

     console.log(f());
 function f() {
     return 1;
 }

Answers:

@oleksiilevzhynskyi
oleksiilevzhynskyi / javascript_basic.md
Created July 3, 2013 12:49

Answer this questions to check you general understanding of the topic:

Quiz:

  1. How do you write a conditional statement for executing some code if i is equal to 5?

    • if (i==5)
    • if i=5
    • if i=5 then
    • if i==5 then

  2. What is an array?

@oleksiilevzhynskyi
oleksiilevzhynskyi / gist:4240492
Created December 8, 2012 14:40
"restart" network on OS X
sudo ifconfig en0 down; sleep 1; sudo ifconfig en0 up
@oleksiilevzhynskyi
oleksiilevzhynskyi / gist:3736586
Created September 17, 2012 10:21
Write a program, which outputs numbers from 0 to 1000 without:
loops (do, while, for, etc.)
jumps (goto)
exceptions
conditions
boolean operators (and, or, etc.)
comparison operators (<, >, etc.)
ranges
preprocessor shit
@oleksiilevzhynskyi
oleksiilevzhynskyi / gist:3524163
Created August 30, 2012 08:27
Brew "Error: Cannot write to /usr/local/Cellar"
sudo chown -R $USER /usr/local
sudo chown -RL mysql:mysql /usr/local/mysql/data
@oleksiilevzhynskyi
oleksiilevzhynskyi / key_bindings.js
Created July 1, 2012 18:59
sublime-settings
{
"args":
{
"cycle": "previous"
},
"auto_complete": false,
"color_scheme": "Packages/Color Scheme - Default/Sunburst.tmTheme",
"command": "alternative_autocomplete",
"context":
[
@oleksiilevzhynskyi
oleksiilevzhynskyi / array
Created June 18, 2012 17:26
the sum of two
t1 = Time.now
file = File.new(ARGV[0] || "input.txt", "r")
numbers = file.readlines.map!(&:to_i)
p Time.now - t1
[231552, 234756, 596873, 648219, 726312, 981237, 988331,1277361,1283379].each do |x|
tmp = Array.new(numbers.size)
time = Time.now
res = numbers.detect { |el| tmp[el] || ((x - el) > 0 && (tmp[x - el] = true) && false) } ? 'yes' : 'no '
p "#{'%7.0f' % x} - #{res} - #{Time.now - time}"
@oleksiilevzhynskyi
oleksiilevzhynskyi / gist:2916165
Created June 12, 2012 08:29
Chrome instead Firefox with Cucumber

brew install chromedriver

Add to env.rb:

Capybara.javascript_driver = :chrome

Capybara.register_driver :chrome do |app|
  Capybara::Selenium::Driver.new(app, :browser => :chrome)
end