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require 'nio'

selector = NIO::Selector.new

# 1234番ポートでTCPを待ち受ける
server = TCPServer.new('localhost', 1234)
# 標準出力を取得する。常にwriteが可能な口がほしいだけ
stdout = $stdout

# セレクタに登録。

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# frozen_string_literal: true

require 'fiber'

# Manage packet.
class Packets
  def initialize
    @packets = []
  end

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# frozen_string_literal: true

require 'fiber'

# Manage packet.
class Packets
  def initialize
    @packets = []
  end

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# frozen_string_literal: true

require 'concurrent'
require 'benchmark'

def api_a_call
  sleep 2
  'answer_from_api_a'
end

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# frozen_string_literal: true

require 'concurrent'
require 'benchmark'

def api_a_call
  sleep 2
  'answer_from_api_a'
end

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class ExcelsController < ApplicationController
 def show
 end

 def create
   file = params[:file]
   # ファイルを開く
   workbook = RubyXL::Parser.parse file.path
   # 編集する
   workbook[0].add_cell 0, 0, 'changed'

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public class ArrayManupilation {
    static long arrayManipulation(int n, int[][] queries) {
        long[] arr = new long[n+1];
        int a, b, k;

        for (int [] query : queries) {
            a = query[0];
            b = query[1];
            k = query[2];

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import java.util.Arrays;

public class ArrayManupilation {
    static long arrayManipulation(int n, int[][] queries) {
        long[] arr = new long[n+1];
        for (int[] query : queries) {
            for(int i = query[0];i <= query[1]; i++) {
                arr[i] += query[2];
            }
        }

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import org.junit.Assert;
import org.junit.Rule;
import org.junit.Test;
import org.mockito.Mock;
import org.mockito.junit.MockitoJUnit;
import org.mockito.junit.MockitoRule;


import java.util.List;

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import org.junit.Assert;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mock;
import org.mockito.junit.MockitoJUnitRunner;

import java.util.List;

import static org.mockito.ArgumentMatchers.anyInt;
import static org.mockito.Mockito.when;