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To list all python versions in default locations

ls /usr/bin/python*

To remove just python3 package

sudo apt-get remove python3.5

plus it's dependent packages

sudo apt-get remove --auto-remove python3.5

plus configuration and/or data files of python3

sudo apt-get purge python3.5

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To list all python versions in default locations

ls /usr/bin/python*

To remove just python3 package

sudo apt-get remove python3.5

plus it's dependent packages

sudo apt-get remove --auto-remove python3.5

plus configuration and/or data files of python3

sudo apt-get purge python3.5

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//Starter version of the main app.js file
"use strict";
const express = require("express");
const app = express();
const port = process.env.port || 4444;

app.get("/", (req, res) => {
  //handle root
});

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input {
    jdbc {
        clean_run => true
        jdbc_driver_library => "/root/jdbc.jar"
        jdbc_driver_class => "com.mysql.jdbc.Driver"
        jdbc_connection_string => "jdbc:mysql://localhost:3306/jobschema"
        jdbc_user => "root"
        jdbc_pass => ""
        schedule => "* * * * *"
        statement => "select jobid, jobname, executiontime, jobstatus from jobdata where jobid > :sql_last_value"

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/* global require */

const multipart = require('connect-multiparty')
const multipartMiddleware = multipart()
const path = require('path')
const os = require('os')
const fs = require('fs')

var express = require('express')
var app = express()

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<?php
/*
mPDF: Generate PDF from HTML/CSS (Complete Code)
*/

require_once( 'mpdf/mpdf.php'); // Include mdpf
$stylesheet = file_get_contents('assets/css/pdf.css'); // Get css content
$html = '<div id="pdf-content">
              Your PDF Content goes here (Text/HTML)
         </div>';

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/**
 * Remove the directory and its content (all files and subdirectories).
 * @param string $dir the directory name
 */
function rmrf($dir) {
    foreach (glob($dir) as $file) {
        if (is_dir($file)) { 
            rmrf("$file/*");
            rmdir($file);
        } else {

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    //Simple Application
    <div id="myReactApp1"></div>
    <div id="myReactApp2"></div>   
    <div id="myReactApp3"></div>   
    <script type="text/babel">

      class Man extends React.Component { 
        render() { 
          return <h1>{"Name: "+this.props.name+", Age: "+this.props.age}</h1>
        } 

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Basics

Creating a new PHPExcel Object.

    $this->PHPExcel = new PHPExcel();

Working with sheets

Creating a new sheet: