emanuelhfarias

#!/bin/ruby
require 'pry-byebug'

history_array = []

zsh_history_path = '~/.zhistory' 

File.open(zsh_history_path).each do |line|
  history_array << line[15..-2]
end

emanuelhfarias

params = ActionController::Parameters.new( {sort: {year: 'desc', title: 'asc', author: 'desc'}} )

valid_sorts = ["author", "title", "year"]
passed_sorts = params[:sort].keys & valid_sorts # only permit valid sorts
params.permit(sort: passed_sorts)

emanuelhfarias

#!/bin/bash

# Install Oracle Java JRE (runtime environment) on Fedora
# This is script is based on Fedy

# To change between java versions:
# $ alternatives --config java
 

CACHEDIR="/var/cache/java/jre"

emanuelhfarias

#!/bin/bash

docker run -it --security-opt seccomp:unconfined docker_image bash

emanuelhfarias

# using Fedora
# every time you update the Linux Kernel you have to recompile the VirtualBox Kernel driver

# first install/upgrade the kernel-devel and headers
sudo dnf install kernel-devel kernel-headers

# make sure you have installed akmod-VirtualBox (and DON'T have installed dkms)
sudo dnf install akmod-VirtualBox
sudo akmods
sudo modprobe vboxdrv

emanuelhfarias

# ----> Ruby File: hi.rb
# Importing code from Python to Ruby
p obj = eval(`python hi.py`.chomp)

# Exporting code from Ruby to Python
p my_array = [[1,2,3],["hi", 1.5]]

# Executing Python code 'inside' Ruby passing args from ruby variables to python
p obj = eval(`python hi.py '#{my_array}'`.chomp)

emanuelhfarias

# install ipdb with pip
import ipdb

# place the following command where you want to stop
ipdb.set_trace(context=10)

emanuelhfarias

sudo chsh -s `which zsh` <username>

# You must log out and log back in.

emanuelhfarias

#!/bin/bash
# How to change the Docker images directory (default dir=/var/lib/docker)
# The simplest method is to create a symbolic link that maps your destination partition and the original docker images directory
# see REF: https://forums.docker.com/t/how-do-i-change-the-docker-image-installation-directory/1169

# remove all containers
docker ps -aq | xargs docker rm

# stop docker daemon
systemctl stop docker