ramonrails

#!/bin/bash

# fetch entire website
#
# Example:
#   fetch-website https://www.bharat.in
#
function fetch-website {
  # Check if wget is available
  if ! command -v wget &>/dev/null; then

ramonrails

# Usage: 
#   tested with 8, 9, 10, 11, 12 digit phone numbers
#
#   ar = ["(+1) 888 33x19", "95606 3354", "555 123 1234", "0 95606 33544", "(+91) 95606 33544"]
#   ar.map {|e| format_string(e) }
#     => ["188-833-19", "956-063-354", "555-123-12-34", "095-606-335-44", "919-560-633-544"]
#
def format_string(s)
  # step #1 => remove all non-digits
  # step #2(a) => pick the digits in groups of 333[2][2]

ramonrails

# utility functions
#

# compress PDF using ghostscript
#
# https://ghostscript.readthedocs.io/en/latest/VectorDevices.html#controls-and-features-specific-to-postscript-and-pdf-input
#
# -dPDFSETTINGS=/screen lower quality, smaller size. (72 dpi)
# -dPDFSETTINGS=/ebook for better quality, but slightly larger pdfs. (150 dpi)
# -dPDFSETTINGS=/prepress output similar to Acrobat Distiller "Prepress Optimized" setting (300 dpi)

ramonrails

# frozen_string_literal: true

# a simple user factory
# factories/users.rb
# 
FactoryBot.define do
  factory :user do
    name { Faker::Name.unique.name }
    email { Faker::Internet.email(domain: "bharat.in") }
    # some users will randomly be "admin"

ramonrails

// matching the brackets
// * one type of brackets only
// * opening must appear before closing bracket
// * pre or post padding characters should not affect the result
// * any other characters in0between anywhere should not affect the result
// 
const balanced = (arg) => {
//   
// `for char of result` should also work here  
//   

ramonrails

// Goal: find matching enclosures
//  * opening enclosure must appear before closing
//  * multiple opening enclosures can appear, but must be closed in proper reverse order
//  * any other text, character ot symbol should not affect the result
//  * pre or post padding space or characters should not affect the result

const balanced = (string) => {
  // example: { "{}": 0, "[]": 0, ...}
  let enclosures = { "{}": 0, "[]": 0, "()": 0, "<>": 0 }
  // stack of keys must match closing braces in the reverse order

ramonrails

# [Leetcode #3](https://leetcode.com/problems/longest-substring-without-repeating-characters/) says
# Given a string s, find the length of the longest substring without repeating characters.
#
# Example 1:
#
# Input: s = "abcabcbb"
# Output: 3
# Explanation: The answer is "abc", with the length of 3.
#
# Example 2:

ramonrails

# Faker: A ruby gem (MIT) to generate test data
# https://github.com/faker-ruby/faker
require "faker"

# generate a random set of words
# 
# => ["temporibus", "laborum", "et", "facilis", "assumenda", "autem", "voluptatem"]
# 
# words = rand(5..10).times.collect { Faker::Lorem.word }
words = Array.new(rand(5..10)) { Faker::Lorem.word }

ramonrails

# frozen_string_literal: true

require 'benchmark'

# synopsis
#
# rubocop suggested syntax is
#   * costlier on execution
#   * not really that super easy to read and maintain than case statement
#   * adds more number of lines

ramonrails

#
# Bucket is a wrapper around Apartment::Tenant for utility methods
#
class Bucket
  PUBLIC = "public".freeze
  SYSTEM_NAMES_REGEX_PATTERN = 'information_schema|pg_\w+'.freeze

  #
  # Class methods
  #