SunDi3yansyah

REVOKE CONNECTION

REVOKE CONNECT ON DATABASE [DATABASE_NAME] FROM public;

DROP DATABASE

DROP DATABASE [DATABASE_NAME];

SunDi3yansyah

redis-cli FLUSHALL
redis-cli FLUSHDB
redis-cli -n <database_number> FLUSHDB

Ref: https://www.shellhacks.com/redis-delete-all-keys-redis-cli/

SunDi3yansyah

a = ["A", "B", "C", "B", "A"]
a.detect{ |e| a.count(e) > 1 }

Ref: https://stackoverflow.com/questions/8921999

SunDi3yansyah

{
    "response": {
        "status": 200,
        "message": "OK",
        "url": "http://localhost:3000/api/v1/mixed/countries"
    },
    "data": [
        {
            "country_data_or_code": {
                "continent": "South America",

SunDi3yansyah

/*
 * parse_link_header()
 *
 * Parse the Github Link HTTP header used for pageination
 * http://developer.github.com/v3/#pagination
 */
function parse_link_header(header) {
  if (header.length == 0) {
 throw new Error("input must not be of zero length");

SunDi3yansyah

config/application.rb

require "active_storage/engine"

config/environments/*.rb

config.active_storage.service = :local

SunDi3yansyah

[Desktop Entry]
Encoding=UTF-8
Version=1.0
Type=Application
Name=Postman
Icon=/home/sundi3yansyah/Src/postman/app/resources/app/assets/icon.png
Path=/home/sundi3yansyah/Src/postman
Exec=/home/sundi3yansyah/Src/postman/Postman
StartupNotify=false
StartupWMClass=Postman

SunDi3yansyah

class ImagesController < ActionController::Base
  skip_before_action :verify_authenticity_token

  def create
    @image = Image.new(image_params)

    if @image.save
      render json: { url: @image.image_url(:original) }, status: 201
    else
      render json: { message: @image.errors.full_messages.first }, status: 422

SunDi3yansyah

chown -R $(whoami) ~/.gnupg
find ~/.gnupg -type f -exec chmod 600 {} \;
find ~/.gnupg -type d -exec chmod 700 {} \;

SunDi3yansyah

# lib/tasks/db.rake
namespace :db do

  desc "Dumps the database to db/APP_NAME.dump"
  task :dump => :environment do
    cmd = nil
    with_config do |app, host, db, user|
      cmd = "pg_dump --host #{host} --username #{user} --verbose --clean --no-owner --no-acl --format=c #{db} > #{Rails.root}/db/#{app}.dump"
    end
    puts cmd