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Guilherme Y. Hatano guihatano

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guihatano / cheatsheet.rb
Created December 6, 2023 14:15 — forked from mabenson00/cheatsheet.rb
Rails ActiveRecord JSON cheatsheet
# Basic key operators to query the JSON objects :
# #> : Get the JSON object at that path (if you need to do something fancy)
# -> : Get the JSON object at that path (if you don't)
# ->> : Get the JSON object at that path as text
# {obj, n} : Get the nth item in that object
# https://www.postgresql.org/docs/9.4/functions-json.html#FUNCTIONS-JSONB-OP-TABLE
# Date
# date before today
@guihatano
guihatano / depends_on.js
Created August 28, 2020 00:10 — forked from masonjm/depends_on.js
Show/Hide form fields based on the value in another field.
(function( $ ){
$.fn.dependsOn = function(element, value) {
var elements = this;
var hideOrShow = function() {
var $this = $(this);
var showEm;
if ( $this.is('input[type="checkbox"]') ) {
showEm = $this.is(':checked');
} else if ($this.is('select')) {
@guihatano
guihatano / mysql-docker.sh
Created June 14, 2019 14:30 — forked from spalladino/mysql-docker.sh
Backup and restore a mysql database from a running Docker mysql container
# Backup
docker exec CONTAINER /usr/bin/mysqldump -u root --password=root DATABASE > backup.sql
# Restore
cat backup.sql | docker exec -i CONTAINER /usr/bin/mysql -u root --password=root DATABASE
@guihatano
guihatano / 01-safe-download.rb
Created January 14, 2019 20:06 — forked from janko/01-safe-download.rb
A safe way in Ruby to download a file to disk using open-uri (with/without comments)
require "open-uri"
require "net/http"
Error = Class.new(StandardError)
DOWNLOAD_ERRORS = [
SocketError,
OpenURI::HTTPError,
RuntimeError,
URI::InvalidURIError,
@guihatano
guihatano / bootstrap_pagination_helper.rb
Last active June 22, 2017 12:23 — forked from artanikin/bootstrap_pagination_helper.rb
Will_paginate bootstrap 4 renderer
module BootstrapPaginationHelper
class LinkRenderer < WillPaginate::ActionView::LinkRenderer
protected
def page_number(page)
if page == current_page
link(page, "#", :class => 'active')
else
link(page, page, :rel => rel_value(page))
end
@guihatano
guihatano / replace-debian-with-arch.txt
Created February 1, 2016 21:20 — forked from m-ou-se/replace-debian-with-arch.txt
Instructions to replace a live Debian installation with Arch
# Download latest archlinux bootstrap package, see https://www.archlinux.org/download/
wget http://ftp.nluug.nl/os/Linux/distr/archlinux/iso/2016.01.01/archlinux-bootstrap-2016.01.01-x86_64.tar.gz
# Make sure you'll have enough entropy for pacman-key later.
apt-get install haveged
# Install the arch bootstrap image in a tmpfs.
mount -t tmpfs none /mnt
cd /mnt
tar xvf ~/archlinux-bootstrap-2016.01.01-x86_64.tar.gz --strip-components=1