Valtoni Boaventura valtoni

valtoni / git-rewrite-source-target.sh

Last active October 18, 2016 11:44

Rewrite target author and commiter name/email/date with data from source commit

	#!/bin/sh
	# Rewrite's the commit with data from source commit

	echo "WARNING: Your TARGET_COMMIT must have in your current branch."

	SOURCE_COMMIT=$1
	TARGET_COMMIT=$2

	SOURCE_COMMIT=$(git rev-parse $SOURCE_COMMIT)
	if [ $? -ne 0 ]; then

valtoni / git-branches-by-commit-date.sh

Created September 2, 2016 18:46 — forked from l15n/git-branches-by-commit-date.sh

List remote Git branches and the last commit's author and author date for each branch. Sort by most recent commit's author date.

	# Credit http://stackoverflow.com/a/2514279
	for branch in `git branch -r \| grep -v HEAD`;do echo -e `git show --format="%ai %ar by %an" $branch \| head -n 1` \\t$branch; done \| sort -r

valtoni / ReferenceToConstructor.java

Created August 24, 2016 12:23

Adjustment over excelent tutorial about lambda in java 8: https://blog.idrsolutions.com/2015/02/java-8-method-references-explained-5-minutes/

	import java.util.ArrayList;
	import java.util.Arrays;
	import java.util.List;
	import java.util.function.Function;

	public class ReferenceToConstructor {

	/**
	* @param args the command line arguments
	*/

valtoni / extract_cert_keystore.sh

Created May 29, 2016 13:36

Script to export certificate and private key from jks store

	#!/bin/bash

	FILE=$1
	OUTPUT_NAME=$2

	# Export to PKCS12 format
	keytool -importkeystore -srckeystore "$FILE" -destkeystore "$OUTPUT_NAME".p12 -deststoretype PKCS12
	# Export certificate in pem format
	openssl pkcs12 -in "$OUTPUT_NAME".p12 -nokeys -out "$OUTPUT_NAME"_cert.pem
	# Export certificate in x509 format

valtoni / char-donot-repeat.py

Created April 18, 2016 11:30

Do not repeat chars in python

	word = raw_input()
	reduced_word = ''.join(
	[char for index, char in enumerate(word) if char not in word[0:index]])

valtoni / GMapV2Direction.java

Last active April 8, 2016 12:23

How to obtain directions from code to destiny, using google maps api.

	import java.io.InputStream;
	import java.util.ArrayList;

	import javax.xml.parsers.DocumentBuilder;
	import javax.xml.parsers.DocumentBuilderFactory;

	import org.apache.http.HttpResponse;
	import org.apache.http.client.HttpClient;
	import org.apache.http.client.methods.HttpPost;
	import org.apache.http.impl.client.DefaultHttpClient;

valtoni / ProblemaBobo.java

Last active August 29, 2015 14:19

	public class Testa {
	private static int fatorial(int numero) {
	if (numero == 1)
	return 1;
	return numero * fatorial(--numero);
	}

	private static int combinacao(int n, int p) {
	return fatorial(n) / (fatorial(n - p) * fatorial(p));
	}

valtoni / MemoryPropertyBuilder.java

Created April 14, 2015 12:44

Create an property file in memory (Builder like)

	static class MemoryPropertyBuilder {

	StringBuilder builder = new StringBuilder();

	PropertyBuilder add(String param, String value) {
	builder.append(param + "=" + value);
	return this;
	}

	Properties properties() {

valtoni / config-ddwrt-rw.sh

Last active June 29, 2017 17:39 — forked from Thinkscape/gist:3426581

Config Read Write mode in DD WRT Router

	# From: http://www.dd-wrt.com/phpBB2/viewtopic.php?t=86912

	# 1. Prepare the USB disk
	# Create an ext3 partition using GParted for instance

	#2. Configure DD-WRT
	#Under Services->Services->Secure Shell:
	#* Enable SSHd
	#* Click Apply Settings
	#

valtoni / Ipc2014ProblemA.java

Created June 26, 2014 12:39

	public class Ipc2014ProblemA {

	private static class BaggageBin {
	int space;
	char destination;

	public BaggageBin(int space) {
	if (space > 0) {
	if (space % 2 == 0) {
	this.destination = 'A';