gfreivasc

(ns rpn
  (:require [clojure.edn :as edn]))

(deftype Pair [f s])

(defn push' [top value]
  (Pair. top value))

(defn empty'? [stack]
  (= stack nil))

gfreivasc

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

/// --- STACK DEFINITION ---
typedef struct node_ {
    int value;
    struct node_* last;
} stack_node_t;

gfreivasc

package com.gabrielfv.sandbox.rpn;

import java.util.Scanner;
import java.util.Stack;

/**
 * Calculadora RPN interativa.
 *
 * RPN = Reverse Polish Notation, ou Notação Polonesa Inversa.
 * (https://pt.wikipedia.org/wiki/Nota%C3%A7%C3%A3o_polonesa_inversa)

gfreivasc

package com.gabrielfv.sandbox.triangle;

import java.util.Scanner;

public class Triangle {

    /**
     * Este programa deve "printar" na tela três tipos de triângulos
     * cujo tamanho é definido pela entrada do usuário. Os tipos de
     * triângulo são:

gfreivasc

package com.gabrielfv.sandbox6

import android.app.Activity
import android.app.Application
import android.os.Bundle
import android.view.View
import android.widget.Toast
import dagger.*
import javax.inject.Inject

gfreivasc

class MainActivity : ComponentActivity(R.layout.activity_main) {

    private lateinit var viewModel: MainViewModel

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)

        viewModel = provideViewModel(MainViewModel::class.java)

        textView.text = "${viewModel.count}"

gfreivasc

class MainActivity : ComponentActivity(R.layout.activity_main) {

    private lateinit var viewModel: MainViewModel

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)

        viewModel = ViewModelProvider(viewModelStore, ViewModelProvider.NewInstanceFactory())
            .get(MainViewModel::class.java)

gfreivasc

public static ViewModelProvider of(@NonNull FragmentActivity activity,
                                   @Nullable Factory factory) {
    Application application = checkApplication(activity);
    if (factory == null) {
        factory = ViewModelProvider.AndroidViewModelFactory.getInstance(application);
    }
    return new ViewModelProvider(activity.getViewModelStore(), factory);
}

gfreivasc

class MainActivity : ComponentActivity(R.layout.activity_main) {

    private val viewModel = GenericProvider.provide { MainViewModel() }

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)

        textView.text = "${viewModel.count}"
        button.setOnClickListener {
            viewModel.inc()

gfreivasc

class MainActivity : ComponentActivity(R.layout.activity_main) {
    private var count: Int = 0

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)

        savedInstanceState?.let { state ->
            count = state.getInt("COUNT", 0)
        }