j05u3

getMe() {
  print("get me! heavy computation here or maybe set up a reusable API client (or something else) here");
  return 3;
}

class X {
  int? _ethersProvider; // this variable is visible only in this file, so basically this works as a "private" variable (as there is no "private" in dart)
  int? get ethersProvider => _ethersProvider ?? (_ethersProvider = getMe());
}

j05u3

    // fisher yates:
    mapping(uint256 => uint256) private _fyAlreadySeen; // defaults to zero, so stores indexes from 1

    function fyGetMapping(uint256 ridx) private view returns (uint256) {
        uint256 m = _fyAlreadySeen[ridx];
        if (m != 0) return m - 1;
        return ridx;
    }
    function fySetMapping(uint256 ridx, uint256 idx) private {
        _fyAlreadySeen[ridx] = idx + 1;

j05u3

 // timeout tests
let times = [];
let n_times = 5;
let cnt = 0;
for (let i = 0; i < n_times; i++) {
  setTimeout(() => {
    const myI = i;
    const now = Date.now();
    times[myI] = now;
    cnt++;

j05u3

import 'dart:async';

import 'package:flutter/widgets.dart';

abstract class StreamBuilderBase<T, S> extends StatefulWidget {
  /// Creates a [StreamBuilderBase] connected to the specified [stream].
  const StreamBuilderBase({ Key key, this.stream }) : super(key: key);

  /// The asynchronous computation to which this builder is currently connected,

j05u3

  @override
  Widget build(BuildContext context) {
    return Container(
      decoration: BoxDecoration(color: Colors.white),
      child: buildHomePage("my first function")
    );
  }
  Widget buildHomePage(String title) {
    final titleText = Container(
      padding: EdgeInsets.all(20),

j05u3

package pe.tumicro.android.ui.common;


import android.databinding.ListChangeRegistry;
import android.databinding.ObservableList;
import android.support.annotation.MainThread;
import android.support.v7.util.DiffUtil;
import android.support.v7.util.ListUpdateCallback;

import java.util.AbstractList;

j05u3

#include <vector>
#include <list>
#include <map>
#include <set>
#include <queue>
#include <deque>
#include <stack>
#include <bitset>
#include <algorithm>
#include <functional>

j05u3

#include <iostream> 
#include <vector>
#include <algorithm>
#include <ctime> 
#include <cstring> 
#include <cmath> 
#include <climits> 
using namespace std;

j05u3

// Planchota con modificaciones de Josue
#include <vector>
#include <list>
#include <map>
#include <set>
#include <queue>
#include <deque>
#include <stack>
#include <bitset>
#include <algorithm>