rennex

#include <stdio.h>

int main(void) {
  long x = ""-"";
  char *y = "foo";
  char *z = "foo";
  printf("null is %p, x is %ld\n", NULL, x);
  printf("y is %p, z is %p\n", y, z);
  return 0;
}

rennex

[1] pry(main)> x = (1..5)
=> 1..5
[2] pry(main)> p x
1..5
=> 1..5
[3] pry(main)> p *x
1
2
3
4

rennex

require "sinatra/base"

class Foo < Sinatra::Base
  get "/" do
    "foo!"
  end
end


class Bar < Sinatra::Base

rennex

The files shown below let you define the location of the database in one place,
and easily run migrations, the main web app, and any backend utility scripts.

# do this in the web app or utility script:
require_relative "database.rb"

# to run migrations (in the shell):
$ ./migrate

rennex

require "sinatra"

set :show_exceptions, :after_handler

error do
    "Custom error page!"
end

get "/" do
    "Hello! <a href='error'>Click to get an error</a>"

rennex

// ==UserScript==
// @name        Verkkouutiset title-killer
// @namespace   Rennex
// @include     http://www.verkkouutiset.fi/*
// @version     1
// @grant       none
// ==/UserScript==

document.querySelector("article").removeAttribute("title")

rennex

require "sinatra"

get "/*" do
  content_type "text/plain"
  ret = ""
  env.each_key do |k|
    ret += "%25s = %s\n" % [k, env[k]]
  end
  ret
end

rennex

# /etc/systemd/system/foo.service
[Unit]
Description=Foo service
Wants=nginx.service
Requires=postgresql.service
After=postgresql.service

[Service]
Type=simple
User=foo

rennex

$ for i in `seq 200`; do ruby puzzle6_2_debug.rb ; done | uniq
result = [0, 14, 13, 12, 11, 10, 8, 8, 6, 6, 5, 3, 3, 2, 1, 10]
result = [13, 12, 12, 10, 10, 8, 7, 6, 6, 4, 4, 2, 2, 1, 15, 0]
result = [0, 14, 13, 12, 11, 10, 8, 8, 6, 6, 5, 3, 3, 2, 1, 10]
result = [6, 6, 4, 2, 2, 0, 0, 15, 13, 12, 11, 11, 9, 8, 4, 9]
result = [0, 14, 13, 12, 11, 10, 8, 8, 6, 6, 5, 3, 3, 2, 1, 10]
result = [2, 1, 0, 15, 13, 12, 11, 11, 9, 9, 7, 7, 5, 5, 4, 1]
result = [0, 14, 13, 12, 11, 10, 8, 8, 6, 6, 5, 3, 3, 2, 1, 10]
result = [8, 7, 7, 5, 5, 3, 2, 1, 1, 0, 14, 14, 12, 12, 10, 11]
result = [0, 14, 13, 12, 11, 10, 8, 8, 6, 6, 5, 3, 3, 2, 1, 10]

rennex

# frozen-string-literal: true

class Roda
  module RodaPlugins
    # Treats any string matchers with a trailing slash ("/") almost like
    # the slash wasn't there, but GET requests to that path without the
    # slash are redirected to the path with a trailing slash.
    # 
    # Example:
    #