Gabriel Francisco fgbreel

Principles of Adult Behavior

Be patient. No matter what.
Don’t badmouth: Assign responsibility, not blame. Say nothing of another you wouldn’t say to him.
Never assume the motives of others are, to them, less noble than yours are to you.
Expand your sense of the possible.
Don’t trouble yourself with matters you truly cannot change.
Expect no more of anyone than you can deliver yourself.
Tolerate ambiguity.
Laugh at yourself frequently.

require-from-twitter

Since Twitter doesn't have an edit button, it's a suitable host for JavaScript modules.

How to use

Source tweet: https://twitter.com/rauchg/status/712799807073419264

const leftPad = await requireFromTwitter('712799807073419264');

Example code for How to Safely Store a Password in 2016.

Finding a Ruby memory leak using a time analysis

When developing a program in Ruby, you may sometimes encounter a memory leak. For a while now, Ruby has a facility to gather information about what objects are laying around: ObjectSpace.

There are several approaches one can take to debug a leak. This discusses a time-based approach, where a full memory dump is generated every, say, 5 minutes, during a time that the memory leak is showing up. Afterwards, one can look at all the objects, and find out which ones are staying around, causing the

	#!/bin/bash
	#@****************************************************************************
	#@ Author : Mathieu GOULIN ([email protected])
	#@ Organization : Gadz.org (www.gadz.org)
	#@ Licence : GNU/GPL
	#@
	#@ Description :
	#@
	#@ Prerequisites :
	#@ Arguments :

	node {
	echo 'Results included as an inline comment exactly how they are returned as of Jenkins 2.121, with $BUILD_NUMBER = 1'
	echo 'No quotes, pipeline command in single quotes'
	sh 'echo $BUILD_NUMBER' // 1
	echo 'Double quotes are silently dropped'
	sh 'echo "$BUILD_NUMBER"' // 1
	echo 'Even escaped with a single backslash they are dropped'
	sh 'echo \"$BUILD_NUMBER\"' // 1
	echo 'Using two backslashes, the quotes are preserved'
	sh 'echo \\"$BUILD_NUMBER\\"' // "1"

	/*
	* Genarate rsa keys.
	*/

	package main

	import (
	"crypto/rand"
	"crypto/rsa"
	"crypto/x509"

	#! /bin/sh

	GOOS=linux go build -o $2 "$1"
	GOOS=linux go build -ldflags="-s -w" -o $2.-sw "$1"
	upx -f --brute -o $2.upx $2
	upx -f --brute -o $2.-sw.upx $2.-sw

	GOOS=linux gotip build -o $2.tip "$1"
	GOOS=linux gotip build -ldflags="-s -w" -o $2.tip.-sw "$1"
	upx -f --brute -o $2.tip.upx $2.tip

	[aaron@TC omglolwut (master)]$ cat lib/tasks/disable_autoload_during_migrations.rake
	task :disable_autoload do
	ActiveSupport::Dependencies.class_eval do
	extend Module.new {
	def load_file(path, const_paths = loadable_constants_for_path(path))
	return if path.starts_with? File.join(Rails.application.root, 'app', 'models')
	super
	end
	}
	end

	#!/bin/bash
	#
	# Use the following script using sudo to install multiple golang installations on your debian
	# update-alternatives creates, removes, maintains and displays information about the symbolic links comprising the alternatives system
	# Usage : sudo ./full_golang_install.sh
	#

	if [[ $(id -u) -ne 0 ]] ; then echo "This script should be run using sudo or as the root user" ; exit 1 ; fi

	## Configuration and init