arttuladhar

package com.art.head_first.homeautomation;

public interface Command {

  void execute();
  void undo();

}

arttuladhar

Software Engineering Excellency

DATA STRUCTURES

• Doesn’t know the difference between Array and LinkedList
• Able to explain and use Arrays, LinkedLists, Dictionaries etc in practical programming tasks
• Knows space and time tradeoffs of the basic data structures, Arrays vs LinkedLists, Able to explain how hashtables can be implemented and can handle collisions, Priority queues and ways to implement them etc.
• Knowledge of advanced data structures like B-trees, binomial and fibonacci heaps, AVL/Red Black trees, Splay Trees, Skip Lists, tries etc

ALGORITHMS

• Unable to find the average of numbers in an array

arttuladhar

package specs

import geb.spock.GebReportingSpec

class GebDemoSpec extends GebReportingSpec {

    def "Testing Basic Page Contents"(){
        setup:
        go "http://localhost:9000/#/demo/geb-demo"

arttuladhar

## Prune Remote Branches
git remote prune origin
git fetch origin --prune

# Git Commit Logs between Two Hash
git log --oneline 51e5a6d1..29612ede

arttuladhar

Kitchen Commands

kitchen list
kitchen create
kitchen destroy
kitchen login <InstanceName>

arttuladhar

# Installing tmux on Amazon-EC2

# If you don't have libevent install use wget to install the libevent and install

wget https://github.com/downloads/libevent/libevent/libevent-2.0.18-stable.tar.gz
tar zxf libevent-2.0.18-stable.tar.gz
sudo ./configure & sudo make install

# If you don't have curses install use yum to install the curses

arttuladhar

Keybase proof

I hereby claim:

• I am arttuladhar on github.
• I am arttuladhar (https://keybase.io/arttuladhar) on keybase.
• I have a public key ASBKr_G71JtO9yx_4xVpwqqN8fNDd3l52qlbMygNn0i0dgo

To claim this, I am signing this object:

arttuladhar

Linux Server Troubleshooting

This will show who is logged on and what they are doing.

w

Check active processes are running

ps aux

arttuladhar

Some handy Linux command line tricks

Delete All JSON files in a directory

for files in *.json; do rm "$files"; done

Scp Multiple Files

arttuladhar

/**
* <h2> Converts ResultSet to HashMap of List<String,Object></h2>
* @param row
* @param rs_SubItemType
* @throws SQLException
*/

private static void getHashMap( List<Map<String, Object>> row, ResultSet rs_SubItemType) throws SQLException {

ResultSetMetaData metaData = rs_SubItemType.getMetaData();