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first we have to edit sources.list file using gedit
remember this method is using terminal!

To open up terminal hit "ctrl+alt+T"
then type "gedit /etc/apt/sources.list"

delete all text inside, then replace with the new one,

#repo ITB :
deb ftp://ftp.itb.ac.id/pub/ubuntu oneiric main restricted universe multiverse

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This gonna be usefull when U have some pattern actvities to done continously wo/ doing it manually

1. Problem: need to execute `arp -d` continously, the command to delete host on arp table to reset it to first time connect to wifi or other connection gateway. This could even be prevent the user in same connection's gateway which use `internet cut` software (might be myth). Every time the command execute, your computer delete the inet_addr that already chaced to your computer then re-request to gateway point to give you new chace. This usually used when your computer have problem to connect to internet, so your computer need to refresh the chace inet_addr. (I might be wrong sorry, I'm not expert)

#!/bin/bash
echo 'Running command'

set -x #echo on everything the command executed

while true;

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private static <E> List<E> pickNRandomElements(List<E> list, int n, Random r) {

    int length = list.size();
    if (length < n) return null;

    //don't need to shuffle the whole list
    for (int i = length - 1; i >= length - n; --i) {
		Collections.swap(list, i, r.nextInt(i + 1));
    }
	return list.subList(length - n, length);

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#!/bin/bash
mongo --eval "db.stats()"  # do a simple harmless command of some sort

RESULT=$?   # returns 0 if mongo eval succeeds

if [ $RESULT -ne 0 ]; then
    echo "MongoDB service is not running, try to run with admin"
    sleep 3 #3 secs
    exit 1
else

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#!/bin/bash
echo 'Trying to STOP service MongoDB'

set -x #for echo on
net stop MongoDB
echo 'Done STOP service MongoDB'
sleep 3 #3 secs

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package com.common.utils

import org.koin.KoinContext
import org.koin.standalone.StandAloneContext
import kotlin.jvm.internal.Reflection


/**
 * @author @fredy_mederos
 */

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based on tutorial in http://stackoverflow.com/a/12800042
and this tutorial to upload existing project into github.
so, you need to create new repository first

Steps:
- make sure you have installed git in your computer
- open the directory project then open CMD in it
- type 'git init'. This will say "Initialized empty git repository in ....git" (... is the path).
- type 'git add .' Dont forget 'pull stop' mark in the end of add after 'space'. I assume you wanna upload a whole file inside the directory.
- type 'git commit -m "massage here for commit"

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- take a look git repo [over here](https://github.com/coreybutler/nvm-windows/releases)
- or you can see mine I've downloaded [here](https://bit.ly/nvmSetup) version 1.1.17
- finished downloaded, execute & follow installation as regular
- finished installation, check with command `nvm --version` if doesn't show anything try to restart windows
- check again till version `nvm --version` shown
- install node version you wanna use with command `nvm install node_version` it will download required files node js along with NPM
- finished installed node_version, then type `nvm use node_version` you just installed
- type `nvm list` to see node version installed you able to use directly
- or `nvm list available` to see all list you ready to install with version LTS and latest version
- DONE

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as regular test using unit test we can use jUnit roboelectric Mockito etc. There are some condition which class with parameter more than 1
ex. inteface class

`double getPriceAfterSurcharge(double baseCost, double surchargeFixedPrice, double surchargePercentage, Integer quantity);`

implementation class:
@Override
public double getPriceAfterSurcharge(double baseCost, double surchargeFixedPrice,
                                     double surchargePercentage, Integer quantity) {
    double productPrice;

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see here https://medium.com/nerd-for-tech/setup-jacoco-code-coverage-with-your-multimodule-android-app-kotlin-a0f82573a1
exclude file agregation here https://liviutudor.com/2016/02/11/jacoco-gradle-excluding-source-files-and-classes/