BruceZu

class QuickSet {
  int[] vi, iv;
  int count;

  public QuickSet(int N) {
    vi = new int[N]; // Value To Index
    iv = new int[N]; // index To Value
    count = 0;
  }

BruceZu

    cd tomcat/
    ant -buildfile build.xml ide-intellij

BruceZu

import java.text.NumberFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.*;

public class Points {
  /*
    Fetch Rewards Coding Exercise - Backend Software Engineering
    What do I need to submit?

BruceZu

The links on books are no longer available. Springer have pulled the free plug.

Use the following one

download them all

Graduate texts in mathematics

duplicates = multiple editions

A Classical Introduction to Modern Number Theory, Kenneth Ireland Michael Rosen

BruceZu

questions and tests to understand it.
c src 

BruceZu

Linux
  
https://www.computerhope.com/ushort.htm
Vim
https://www.maketecheasier.com/vim-keyboard-shortcuts-cheatsheet/

BruceZu

JVM hot swap

BruceZu

debug dynamically created file

BruceZu

• https://www.mulesoft.com/tcat/tomcat-configuration
• https://www.mulesoft.com/tcat/understanding-apache-tomcat

Tomcat 8

https://tomcat.apache.org/tomcat-8.5-doc/host-manager-howto.html https://tomcat.apache.org/tomcat-8.5-doc/config/host.html

Automatic Application Deployment

https://tomcat.apache.org/tomcat-5.5-doc/config/host.html#Automatic Application Deployment

Tips

BruceZu

It is hourly checking bash. checking and send email in issue cases.

• the connection of each EC2. Find host unreachable issue in one hour
• disk space usage. Get warn of disk space in one hour
• status of log rotation and log files. Monitor log rotation and rotated log files

Anyone wants to use it:

• Update the variable mail_receiver of the bash file diskmonoitorand create a cron job with it like