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# encoding: UTF-8
module ActiveModel
  # == Active Model Exclusion Validator
  module Validations
    class VersionValidator < EachValidator
      def validate_each(record, attribute, value)
          record.errors.add(attribute, "Non può essere vuoto") if value.nil? or value.strip.empty?          
          record.errors.add(attribute, "La version non è espressa nel formato 2.3.4") unless value =~ /\b\d+\.\d+\.\d+\b/
      end
    end

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// Use Gists to store code you would like to remember later on
console.log(window); // log the "window" object to the console

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1    [main] DEBUG org.hibernate.type.BasicTypeRegistry  - Adding type registration boolean -> org.hibernate.type.BooleanType@712a95c7
2    [main] DEBUG org.hibernate.type.BasicTypeRegistry  - Adding type registration boolean -> org.hibernate.type.BooleanType@712a95c7
3    [main] DEBUG org.hibernate.type.BasicTypeRegistry  - Adding type registration java.lang.Boolean -> org.hibernate.type.BooleanType@712a95c7
5    [main] DEBUG org.hibernate.type.BasicTypeRegistry  - Adding type registration numeric_boolean -> org.hibernate.type.NumericBooleanType@563afc0c
7    [main] DEBUG org.hibernate.type.BasicTypeRegistry  - Adding type registration true_false -> org.hibernate.type.TrueFalseType@5063b8c1
8    [main] DEBUG org.hibernate.type.BasicTypeRegistry  - Adding type registration yes_no -> org.hibernate.type.YesNoType@4a2c1b1c
10   [main] DEBUG org.hibernate.type.BasicTypeRegistry  - Adding type registration byte -> org.hibernate.type.ByteType@7ec77512
10   [main] DEBUG org.hibernate.type.BasicTypeRegistry  - Adding 

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require "test/unit"

class VarianceTest < Test::Unit::TestCase

  def test_it_should_compute_the_average_out_of_an_array
    assert_equal(50, [40, 30, 50, 80].average)
  end

  def test_it_should_compute_variance_out_of_an_array
    assert_equal(350, [40, 30, 50, 80].variance)

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class CurrentUser extends User {
  public String who() {
    return "who - CurrentUser class!";
  }
}

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import java.util.Arrays;

public class FizzBuzz {

    public static String compute(Integer number) {

        return Arrays.stream(Multipliers.values())
                .filter(m -> (number % m.multiple  == 0))
                .map(Enum::name)
                .reduce((s, r) -> s + r)

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yay!

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com/sun/imageio/plugins/png/PNGImageReader.java:                    break loop;
com/sun/jmx/mbeanserver/DefaultMXBeanMappingFactory.java:                        break find;
com/sun/jmx/snmp/IPAcl/Parser.java:          break label_1;
com/sun/jmx/snmp/IPAcl/Parser.java:          break label_2;
com/sun/jmx/snmp/IPAcl/Parser.java:          break label_3;
com/sun/jmx/snmp/IPAcl/Parser.java:          break label_4;
com/sun/jmx/snmp/IPAcl/Parser.java:          break label_5;
com/sun/jmx/snmp/IPAcl/Parser.java:          break label_6;
com/sun/jmx/snmp/IPAcl/Parser.java:          break label_7;
com/sun/jmx/snmp/IPAcl/Parser.java:          break label_8;

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import com.fasterxml.jackson.databind.ObjectMapper;

import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
import java.util.Optional;

public class SecureMessage {

    private final String key;

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    fn total_price(&self, shopping_list: &[&str]) -> Option<f32> {
        let mut total = 0.0;
        for item in shopping_list {
            if self.price(item) == None {
                return None;
            }
            total += self.price(item).unwrap();
        }
        Some(total)
    }