danieldietrich

Java

import static io.vavr.API.*;

class Main {
    public static void main(String... args) {
        println("Hello Vavr!");
    }
}

danieldietrich

1. Download npm and node
2. echo "console.log('Hello world');" > index.js
3. node index.js

danieldietrich

const f = require('./module.js');
const g = require('./module.js');

console.log("f()", f()); // = f() 0
console.log("g()", g()); // = g() 1

const path = require('path');
delete require.cache[path.resolve(__dirname, 'module.js')];
const h = require('./module.js');
console.log("h()", h()); // = h() 0

danieldietrich

var fizzbuzz = Stream.of("", "", "Fizz").cycle()
    .zipWith(Stream.of("", "", "", "", "Buzz").cycle(), String::concat)
    .zipWith(Stream.from(1), (s, i) -> s.isEmpty() ? i.toString() : s);

danieldietrich

Array<T>

Legend:

• ✏️ method changes this.
• 🔒 method does not change this.

Array<T>.prototype.*:

• concat(...items: Array): T[] 🔒 ^ES3

danieldietrich

function splitUrl(url) {
    const parts = url.match(/^(http[s]?):\/\/([^:/]*):?(\d*)\/?(.*)$/i);
    if (parts === null) {
        throw Error('invalid url: ' + url);
    } else {
        return {
            protocol: parts[1],
            host: parts[2],
            port: parts[3],
            path: (parts[4] === '') ? '' : ('/' + parts[4])

danieldietrich

import io.vavr.collection.Iterator;
import io.vavr.collection.Seq;

public class Test {

    public static void main(String[] args) {

        int size = 10;

        Iterator<String> iter = Iterator.continually(() -> (char) (Math.random() * ((122 - 48) + 1) + 48))

danieldietrich

Seq<Tuple<Integer, Integer>> getSubstringPalindromes(String s) {
    final N = s.length();
    return List.range(0, N-1)
        .flatMap(i -> List.of(Tuple.of(i, i+1), Tuple.of(i, i+2)))
        .flatMap(t -> List.unfold(t, tt -> {
            final int i = tt._1;
            final int j = tt._2;
            return i >= 0 && j <= N && isPalindrome(s.substring(i, j))
                ? Option.some(Tuple(i-1, j+1), tt)
                : Option.none();

danieldietrich

How do I dropdown?

This is how you dropdown.

<details>
<summary>How do I dropdown?</summary>
This is how you dropdown.

danieldietrich

Verifying that "danieldietrich.id" is my Blockstack ID. https://onename.com/danieldietrich