André Freitas andrefreitas

Software Engineer

andrefreitas / build.xml

Last active December 14, 2015 16:58

An example of build.xml for ant to run junit tests

	<project name="Cflow" default="cflow-tests" basedir=".">
	<target name="cflow-tests">

	<junit printsummary="yes" haltonfailure="yes">
	<classpath>
	<pathelement location="libs/junit.jar"/>
	<pathelement location="."/>
	</classpath>
	<test name="cflow.tests.TestDFA" haltonfailure="no" outfile="result">
	<formatter type="plain"/>

andrefreitas / client.py

Created March 16, 2013 02:40

Multicaste in Python

	import socket

	MCAST_GRP = '224.1.1.1'
	MCAST_PORT = 5007

	sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM, socket.IPPROTO_UDP)
	sock.setsockopt(socket.IPPROTO_IP, socket.IP_MULTICAST_TTL, 2)
	sock.sendto("robot", (MCAST_GRP, MCAST_PORT))

andrefreitas / homework3.py

Created April 1, 2013 01:19

COMP - Homework3

	from lexer import Lexer
	from rdp_parser import Parser
	tokens={
	"INT":"[0-9]+",
	"ADD":"\+",
	"SUB":"-",
	"MUL":"\*",
	"DIV":"/"
	}

andrefreitas / ex.sql

Created April 5, 2013 21:50

	-- Remove the old score from that costumer in that product
	DROP TRIGGER IF EXISTS new_score_before ON stores;
	DROP FUNCTION IF EXISTS new_score_before();
	CREATE OR REPLACE FUNCTION new_score_before() RETURNS trigger as $$
	BEGIN
	DELETE FROM products_scores
	WHERE NEW.user_id = products_scores.user_id AND
	NEW.product_id = products_scores.product_id;
	RETURN NEW;
	END;

andrefreitas / adjacentes.java

Last active December 16, 2015 01:09

	public boolean areAdjacent(int oldX, int oldY, int newX,int newY){
	int deltaX=newX-oldX;
	int deltaY=newY-oldY;

	if(deltaY==0 && deltaX!=0){
	for(int i=oldX+deltaX; i<7; i=i+deltaX){
	if(board.getAt(newY, i)!=board.INVALID_POSITION){
	if(i==newX)
	return true;
	else

andrefreitas / persons.js

Last active December 16, 2015 08:28

db.persons.insert({name:"Peter",email:"[email protected]",age:42})

andrefreitas / hello.py

Created May 6, 2013 16:08

helloWorldQt

	import sys
	from PyQt4.QtGui import QApplication
	from PyQt4.QtDeclarative import QDeclarativeView
	from PyQt4.QtCore import QUrl

	app = QApplication(sys.argv)
	view = QDeclarativeView()
	view.setSource(QUrl('hello.qml'))
	view.show()
	view.setWindowTitle("Hello World")

andrefreitas / gist:5562913

Created May 12, 2013 09:11

Exemplo da utilização de Maps em matlab

	% Using Maps to have constant time complexity to access data
	% See more at http://www.mathworks.com/help/matlab/map-containers.html
	% Example here http://stackoverflow.com/questions/3591942/hash-tables-in-matlab
	% Let's supose we have the following information:

	table =[ [1 , 1 , 1 , 0.444 , 0.67 , 0.98];
	[1 , 1 , 2 , 0.254 , 0.67 , 0.98]
	];

	% So to store them in an efficient way

andrefreitas / neural_network_example.py

Last active December 17, 2015 09:09

	"""
	Teaching a neural network to do the XOR binary operator
	Artificial Intelligence - FEUP
	"""
	from pybrain.tools.shortcuts import buildNetwork
	from pybrain.datasets import SupervisedDataSet
	from pybrain.supervised.trainers import BackpropTrainer
	from pybrain import TanhLayer

	""" Builds the network """

andrefreitas / gist:7518832

Created November 17, 2013 22:04