anthony-cros

anthony-cros

import gallia.*;
import scala.Symbol;

// ===========================================================================
class GalliaJava { // 220301145258; ~/lib/java$ javac -cp /tmp/gallia-core-assembly-0.3.2.jar:. Gallia.java && java -cp /tmp/gallia-core-assembly-0.3.2.jar:. Gallia	

  public static void main(String args[]) {
	  String data = "{\"name\": \"tony\", \"age\": 39, \"obsolete\": true}";
	  gallia.heads.HeadU headu0 = gallia.package$.MODULE$.InputString__(data).read();
	  gallia.heads.HeadU headu1 = (gallia.heads.HeadU)headu0.toUpperCase(RPathW.to("name"));

anthony-cros

import gallia._ // see https://github.com/galliaproject/gallia-core/blob/init/README.md#dependencies

// ===========================================================================
object DataFramesAndTablesInScalaArticle {
  // https://darrenjw.wordpress.com/2015/08/21/data-frames-and-tables-in-scala/

  // ---------------------------------------------------------------------------	
  def main(args: Array[String]): Unit = {    
    "/data/misc/cars93.csv".stream()
        .filterBy("EngineSize").matches(_ <= 4.0)

anthony-cros

import gallia._
import aptus._ // for divideBy and significantFigures utilities

// ===========================================================================
object ReshapingDataWithPivotInSparkArticle {
  // reproduces first query in https://databricks.com/blog/2016/02/09/reshaping-data-with-pivot-in-apache-spark.html
  
  // ---------------------------------------------------------------------------
  // t210224102310 - not actually implemented yet, but will also use
  //   https://github.com/galliaproject/gallia-core/blob/init/src/main/scala/gallia/atoms/AtomsIX.scala#L110 for local runs

anthony-cros

import gallia._ // see https://github.com/galliaproject/gallia-core/blob/init/README.md#dependencies

// ===========================================================================
object StartUsingSparkWithScala { // see https://towardsdatascience.com/stop-using-pandas-and-start-using-spark-with-scala-f7364077c2e0 by Chloe Connor
  
  // test meta
  case class FootballTeam(
      name             : String,
      league           : String,
      matches_played   : Int,

anthony-cros

import gallia._

// ===========================================================================
object WordCount { // see http://spark.apache.org/examples.html and https://hadoop.apache.org/docs/current/hadoop-mapreduce-client/hadoop-mapreduce-client-core/MapReduceTutorial.html

  def main(args: Array[String]): Unit = {

    // INPUT: "Hello World Bye World\nHello Hadoop Goodbye Hadoop"

    // ---------------------------------------------------------------------------

anthony-cros

object MediumArticle extends App { // reproducing example from https://medium.com/@thijser/doing-cool-data-science-in-java-how-3-dataframe-libraries-stack-up-5e6ccb7b437# 
  import gallia._ // see https://github.com/galliaproject/gallia-core/blob/init/README.md#dependencies

  // ---------------------------------------------------------------------------
  /*
    for reference, pandas way provided in the article:
    
      data = pd.read_csv('urb_cpop1_1_Data.csv')
      filtered = data.drop(data[data.Value == ":"].index)
      filtered['key'] = filtered['CITIES'] + ':' + filtered['INDIC_UR']

anthony-cros

package minimal

import org.scalajs.dom
import scala.scalajs.js

object App {

  def main(args: Array[String]): Unit = {  

    // prints to console as expected

anthony-cros

package minimal

import scala.scalajs.js
import scala.scalajs.js.annotation.JSImport

object Bindings {

  // ===========================================================================
  // ReactDOM
  

anthony-cros

import React, { Component } from 'react';
import logo from './logo.svg';
import './App.css';

class App extends Component {
  render() {
    return (
      <div className="App">
        <header className="App-header">
          <img src={logo} className="App-logo" alt="logo" />