SanthoshBabuMR

function smallestSubStr(sentence, str) {
  if(!sentence || !str) { return null; }
  
  let searchStrIndex = 0;  
  let startsAtIndex;
  let smallestSubStrMap = {
    len: Number.MAX_SAFE_INTEGER,
    text: null
  };

SanthoshBabuMR

Oracle Docker Setup

• https://hub.docker.com/_/oracle-database-enterprise-edition
• accept agreement

Steps

• pull image

docker login
docker pull store/oracle/database-enterprise:12.2.0.1

SanthoshBabuMR

select * from V$version;
## DB Version

desc hr.employees;
-- shortcut: select table_name and hit: shift + f4

info hr.employees;
info+ hr.employees;
-- additional info to desc cmd
-- primary key, cols(min,max,distinct), default, comments, indexes references

SanthoshBabuMR

// https://www.youtube.com/watch?v=gcULXE7ViZw
// TreeHouse: delete node : https://www.youtube.com/watch?v=5cU1ILGy6dM

  class Node {
    constructor(value){
      this.left = null;
      this.right = null;
      this.value = value;
    }
  }

SanthoshBabuMR

-- ##
-- Basic Queries & Operators
-- ##

SELECT column1, column2 FROM table;
-- Query data in columns column1, column2 from a table.

SELECT * FROM table;
-- Query all rows and columns from a table

SanthoshBabuMR

import java.util.*;

public class HashMapToList {
    public static void main(String[] args) {
        HashMapToList hashMapToList = new HashMapToList();
        hashMapToList.init();
    }

    private void init() {
        List<User> users = toList(getData());

SanthoshBabuMR

# install nginx
apt-get update
apt-get install nginx

unlink /etc/nginx/sites-enabled/default

# configure
cat > /etc/nginx/sites-available/reverse-proxy.conf
server {
    listen 8443;

SanthoshBabuMR

• Instructions

  • MAC
    • Have Microsoft Desktop App installed on MAC
    • Configure the Ubuntu PC by host name or IP address from within the LAN network
  • Ubuntu
    • sudo apt install xrdp
    • sudo systemctl enable xrdp

• Ref

SanthoshBabuMR

-- get centos image
docker pull centos
-- run with interactive shell
-- docker run -it --name minishift centos /bin/bash: centos has issues with running serivce
docker run -it --name minishift phusion/baseimage /bin/bash -- Ubuntu 16.04.3 LTS
-- check OS name/version
cat /etc/*-release
-- if service is unavailable in docker centos
yum -y install initscripts && yum clean all

SanthoshBabuMR

package com.babusa.learn.json;

import com.fasterxml.jackson.annotation.*;
import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.DeserializationContext;
import com.fasterxml.jackson.databind.JsonDeserializer;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.annotation.JsonDeserialize;