cloudhuang

# update & upgrade ubuntu
sudo apt-get update
sudo apt-get upgrade

# install fcixt fcitx-googlepinyin
sudo add-apt-repository ppa:fcitx-team/nightly -y
sudo apt-get update
sudo apt-get install fcitx fcitx-googlepinyin

# cinnamon

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URLClassLoader classLoader = null;
        try {
            // create url class loader to load the servlet class
            URL[] urls = new URL[1];
            URLStreamHandler urlStreamHandler = null;

            File classPath = new File(Constents.WEB_ROOT);

            String repository = (new URL("file", null, classPath.getCanonicalPath() + File.separator)).toString();

cloudhuang

# Required for windows:
# Download wget utlity for windows

require 'nokogiri'
require 'open-uri'

# Get a Nokogiri::HTML::Document for the page we’re interested in...

doc = Nokogiri::HTML(open('http://download.orfjackal.net/lets-code/'))

cloudhuang

ruby -run -e httpd . -p 5000

cloudhuang

sudo add-apt-repository ppa:webupd8team/java
sudo apt-get update
sudo apt-get install oracle-java8-installer

cloudhuang

# replace old_string with new_string in the path recursively
sed -i '' 's/old_string/new_string/g' $( find /path -name file_name )

cloudhuang

# -*- mode: ruby -*-
# vi: set ft=ruby :

# All Vagrant configuration is done below. The "2" in Vagrant.configure
# configures the configuration version (we support older styles for
# backwards compatibility). Please don't change it unless you know what
# you're doing.
Vagrant.configure(2) do |config|
  # The most common configuration options are documented and commented below.
  # For a complete reference, please see the online documentation at

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version: '3'
services:
  zookeeper:
    image: zookeeper
    ports:
      - 2181:2181
  redis:
    image: redis
    ports:
      - 6379:6379

cloudhuang

import java.net.NetworkInterface;
import java.security.SecureRandom;
import java.time.Instant;
import java.util.Enumeration;

/**
 * Distributed Sequence Generator.
 * Inspired by Twitter snowflake: https://github.com/twitter/snowflake/tree/snowflake-2010
 *

cloudhuang

@Configuration
public class ExecuteServiceConfiguration {
    @Bean
    public ExecutorService executorService() {
        return new ThreadPoolExecutor(
                20,
                50,
                60, TimeUnit.SECONDS,
                new ArrayBlockingQueue<>(2000), r -> {
            Thread thread = new Thread(r);