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Bernardo Augusto Godinho de Oliveira BernardoGO

  • Pontifical Catholic University of Minas Gerais
  • Belo Horizonte - Brazil
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karpathy /
Created May 30, 2016
Training a Neural Network ATARI Pong agent with Policy Gradients from raw pixels
""" Trains an agent with (stochastic) Policy Gradients on Pong. Uses OpenAI Gym. """
import numpy as np
import cPickle as pickle
import gym
# hyperparameters
H = 200 # number of hidden layer neurons
batch_size = 10 # every how many episodes to do a param update?
learning_rate = 1e-4
gamma = 0.99 # discount factor for reward
zach-klippenstein /
Last active Jan 18, 2022
The keystore password on Java keystore files is utterly pointless. You can reset it without knowing it, as shown by this code. Note that private keys are still secure, as far as I know. The JKS implementation is copyright Casey Marshall (, and the original source is available at I've in…
import java.util.*;
public class ChangePassword
private final static JKS j = new JKS();
public static void main(String[] args) throws Exception
mrchief /
Last active Dec 11, 2021
Add "Open with Sublime Text 2" to Windows Explorer Context Menu (including folders)

MIT License

Copyright (c) [year] [fullname]

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

# Inspired by
import random
import gym
import math
import numpy as np
from collections import deque
from keras.models import Sequential
from keras.layers import Dense
from keras.optimizers import Adam
vo /
Created Apr 24, 2012
Simple cryptarithmetic puzzle solver in Java, C, and Python
public class SimpleSolver {
static int eval(String q) {
int val = 0;
java.util.StringTokenizer st = new java.util.StringTokenizer(q, "*/+-", true);
while (st.hasMoreTokens()) {
String next = st.nextToken().trim();
if (next.equals("+")) {
val += Integer.parseInt(st.nextToken().trim());
} else if (next.equals("-")) {
val -= Integer.parseInt(st.nextToken().trim());
jbonney / spotify_keybindings
Created Jun 9, 2013
Spotify - Linux key bindings. From XFCE / Ubuntu keyboard shortcuts configuration, assign the control command to their key.
View spotify_keybindings
"dbus-send --print-reply --dest=org.mpris.MediaPlayer2.spotify /org/mpris/MediaPlayer2 org.mpris.MediaPlayer2.Player.PlayPause" XF86AudioPlay
"dbus-send --print-reply --dest=org.mpris.MediaPlayer2.spotify /org/mpris/MediaPlayer2 org.mpris.MediaPlayer2.Player.Stop" XF86AudioStop
"dbus-send --print-reply --dest=org.mpris.MediaPlayer2.spotify /org/mpris/MediaPlayer2 org.mpris.MediaPlayer2.Player.Next" XF86AudioNext
"dbus-send --print-reply --dest=org.mpris.MediaPlayer2.spotify /org/mpris/MediaPlayer2 org.mpris.MediaPlayer2.Player.Previous" XF86AudioPrevious
brnrc /
Last active Jul 31, 2020
Script to get a free steam key
# Fetches an url and scan the html document for a regex pattern (the STEAM KEY)
# monitoring if the KEY changes and copying it to the system's clipboard.
# Output:
# CBT2J-R0GID-8FAJI -> 12:20
# K5RJH-86RH7-W0Y2W -> 12:25
# IV37H-83VGQ-MT9BF -> 12:30
# WY2T9-Q35ZV-8LYCX -> 12:35
# MR7BH-RJ3VJ-MADHW -> 12:40
# HBQPD-BFCG7-06577 -> 12:45