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document.getElementByXPath = function(sValue) { var a = this.evaluate(sValue, this, null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null); if (a.snapshotLength > 0) { return a.snapshotItem(0); } };
document.getElementsByXPath = function(sValue){ var aResult = new Array();var a = this.evaluate(sValue, this, null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);for ( var i = 0 ; i < a.snapshotLength ; i++ ){aResult.push(a.snapshotItem(i));}return aResult;};
document.removeElementsByXPath = function(sValue) { var a = this.evaluate(sValue, this, null, XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE, null); for ( var i = 0 ; i < a.snapshotLength ; i++ ) { a.snapshotItem(i).parentNode.removeChild(a.snapshotItem(i)); } };

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bool x = true;
x = x == false; // or x = !x

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Math.max(document.body.clientWidth, document.body.offsetWidth, document.body.scrollWidth);
Math.max(document.body.clientHeight, document.body.offsetHeight, document.body.scrollHeight);

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curl -I http://example.com 2> /dev/null | grep HTTP | egrep -o [0-9]{3}
curl -w "%{http_code}" http://example.com 2> /dev/null

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for i in *.jpg; do mv $i `uuidgen`.jpg; done

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# encoding: utf-8

require 'unirest'

class String
  def typograf
    api_uri = 'http://www.typograf.ru/webservice/'
    begin
      response = Unirest.post api_uri, parameters: {text: self}
      response.body

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Number.prototype.times = function (cb) { for (var i = 0; i < +this; i++) {cb(i)} }
function sleep(ms) {var date = Date.now(); while (Date.now() - date < 1000*ms) {} }

/* example use/*
10..times(function(i){sleep(1); console.log(i);})

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# execute yield or not
# @return [Mixed]
# @example coin { Hamlet.new.to_be }
def coin
  yield if [true, false].sample
end

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# http-cookie need for Max-Age
# @see https://github.com/nahi/httpclient/issues/242#issuecomment-69020815
require 'http-cookie'
require 'httpclient'
require 'json'
require 'symbolize_keys_recursively'

# CallTools
module CallTools
  # CallTools API Client

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# frozen_string_literal: true

# Numeric
class Numeric
  # convert numeric (integer or float)
  # to formatted string with cash unit
  #
  # @example
  #   42_000.to_cash '$', ',', '.', '%<unit>s%<amount>.2f' # => $42.000,00
  #   42_000.42.to_cash 'RUB', ',', ' ', '%<amount>.2f %<unit>s' # => 42 000,42 RUB