froop

$URL = "https://javadl.oracle.com/webapps/download/AutoDL?BundleId=246808_424b9da4b48848379167015dcc250d8d" # 8u341
#$URL = "https://javadl.oracle.com/webapps/download/AutoDL?BundleId=246474_2dee051a5d0647d5be72a7c0abff270e" # 8u333
#$URL = "https://javadl.oracle.com/webapps/download/AutoDL?BundleId=245807_df5ad55fdd604472a86a45a217032c7d" # 8u321
#$URL = "https://javadl.oracle.com/webapps/download/AutoDL?BundleId=245479_4d5417147a92418ea8b615e228bb6935" # 8u311
(New-Object System.Net.WebClient).DownloadFile($URL, "C:\jre8.exe")
cmd /C "C:\jre8.exe" /s
[System.Environment]::SetEnvironmentVariable("JAVA_HOME", "C:\Program Files\Java\jre1.8.0_341", "Machine")
Remove-Item "C:\jre8.exe"

froop

Param($Major='6.2', $Minor='2', $Manager='172.30.3.10')

$PackageZip = "hinemos-agent-${Major}.${Minor}-1.win.zip"
$DownloadUrl = "https://github.com/hinemos/hinemos/releases/download/v${Major}.${Minor}/${PackageZip}"
$PackageMsi = "C:\HinemosAgentInstaller-${Major}.${Minor}_win.msi"
$InstallPath = "C:\Program Files (x86)\Hinemos\Agent${Major}.${Minor}"
$ServiceName = "Hinemos_${Major}_Agent"

(New-Object System.Net.WebClient).DownloadFile(${DownloadUrl}, "C:\${PackageZip}")
Expand-Archive -Path "C:\${PackageZip}" -DestinationPath "C:\"

froop

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
import socket
import time
import datetime
import threading
import sys
from selectors import DefaultSelector, EVENT_WRITE, EVENT_READ

message = '%s ERROR %s:' % (datetime.datetime.now().time(), '-' * 100)

froop

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.StringReader;

/**
 * Javaソースのコメントを削除
 * 行コメントとブロックコメントがネストしているような場合はうまくいかない時があるので注意
 * 使用例: java CommentDelete < Test.java > Test.txt

froop

FILE_SIZE = 10485760
LINE_TEXT = '1234567890' * 10

write_size = 0
while write_size < FILE_SIZE:
  print(LINE_TEXT)
  write_size += len(LINE_TEXT) + 1

froop

import subprocess
for i in range(100000):
  subprocess.check_call('touch dummyfile%08d.txt' % i, shell=True)

froop

-- psql -p 24001 -U hinemos -f create-trigger-sample.sql
CREATE OR REPLACE FUNCTION log_cc_cfg_facility_relation_delete() RETURNS TRIGGER AS $$
  BEGIN
  RAISE LOG 'DELETE cc_cfg_facility_relation: % %',
    OLD.parent_facility_id, OLD.child_facility_id;
  RETURN NULL;
  END
$$ LANGUAGE plpgsql;

CREATE TRIGGER trg_cc_cfg_facility_relation_delete

froop

[string]$FilePath = 'C:\work\dummy10m.txt'
[long]$FileSize = 10485760

$ErrorActionPreference = 'Stop'
Add-type -AssemblyName System.Web

[long]$WriteSize = 0
$file = New-Object System.IO.StreamWriter($FilePath, $false)
while($WriteSize -lt $FileSize){
    $String = "this is dummy row`r`n"

froop

// Command: java -Dsun.net.inetaddr.ttl=0 TestDnsQuotaByInetAddress 172.30.3.11
// Metric: ethtool -S eth0 | grep linklocal_allowance_exceeded
public class TestDnsQuotaByInetAddress {
  private static final int TRIALS = 10_000;
  private static final int THREADS = 1_024;
  private static final int LOG_THRESHOLD = 1_000;

  public static void main(String[] args) throws InterruptedException, ExecutionException {
    final String host = args[0];
    final ExecutorService executor = Executors.newFixedThreadPool(THREADS);

froop

public class TestRaceConditionOfArrayList {
  private static final int NUMBER_OF_TRIALS = 1_000_000;
  private static final int NUMBER_OF_THREADS = 8;
  private static final List<Integer> SOURCE_LIST = Arrays.asList(1, 2);

  public static void main(String[] args) throws InterruptedException, ExecutionException {
    ExecutorService executor = Executors.newFixedThreadPool(NUMBER_OF_THREADS);
    List<Future<String>> futures = new ArrayList<>();
    Testee testee = new Testee();
    for (int i = 0; i < NUMBER_OF_TRIALS; i++) {