marekciupak

[Adblock Plus 2.0]
||cacaoda.com^
||onet.pl^$all
||wp.pl^
||interia.pl^

marekciupak

{
  "ignition": {
    "version": "3.3.0"
  },
  "passwd": {
    "users": [
      {
        "groups": [
          "docker",
          "sudo",

marekciupak

{
  "ignition": {
    "config": {
      "replace": {
        "source": "https://gist.githubusercontent.com/marekciupak/e47459ec0a5e9a93f5878b8e07424c6f/raw/coreos.ign"
      }
    },
    "version": "3.3.0"
  }
}

marekciupak

AllCops:
  NewCops: enable
  Exclude:
    - 'db/schema.rb'
    - 'vendor/**/*'

Layout/EndOfLine:
  EnforcedStyle: lf

Layout/EmptyLineAfterGuardClause:

marekciupak

Download and install from: https://www.mozilla.org/pl/firefox/new/

Open about:config and set extensions.pocket.enabled to false

Extensions:

• https://addons.mozilla.org/en-US/firefox/addon/ublock-origin/
  • https://hole.cert.pl/domains/domains_adblock.txt
  • https://raw.githubusercontent.com/PolishFiltersTeam/KAD/master/KAD.txt
• https://addons.mozilla.org/en-US/firefox/addon/decentraleyes/
• https://addons.mozilla.org/en-US/firefox/addon/privacy-badger17/

marekciupak

Validating HTTP parameters

Let's say you need to handle the following action:

class UsersController < ApplicationController
  def update
    user = User.find(id)
    result = update_user(user, attrs)
    

marekciupak

# https://adventofcode.com/2018/day/18

defmodule Day18 do
  def parse_input(input) do
    input
    |> String.split("\n", trim: true)
    |> Enum.reduce({%{}, 0}, fn line, {area, y} -> {parse_next_line(area, line, y), y + 1} end)
    |> elem(0)
  end

marekciupak

defmodule Day3 do
  require Integer

  def part1(location) do
    width = width(location)
    steps = steps(location, width)
    distance(steps, width)
  end

  def width(location) do

marekciupak

# https://adventofcode.com/2018/day/15

defmodule Day15 do
  @default_attack_power 3

  def parse_map(input) do
    input
    |> String.split("\n", trim: true)
    |> Enum.reduce({0, %{}}, fn row, {y, map} ->
      {y + 1, parse_row(map, row, y)}

marekciupak

defmodule Day13 do
  def parse(input) when is_binary(input) do
    input
    |> String.split("\n", trim: true)
    |> parse
  end

  def parse(_rows, y \\ 0, acc \\ {%{}, []})

  def parse([row | rest], y, {acc_map, acc_carts}) do