gr33n7007h

[Trigger]
Operation = Upgrade
Type = Package
Target = pacman-mirrorlist

[Action]
Description = Updating pacman-mirrorlist with reflector and removing pacnew...
When = PostTransaction
Depends = reflector
Exec = /bin/sh -c "reflector --protocol https --country 'United Kingdom' --score 10 --sort rate --save /etc/pacman.d/mirrorlist; rm -f /etc/pacman.d/mirrorlist.pacnew"

gr33n7007h

>> puts RubyVM::InstructionSequence.compile('-2 ** 2').disasm
== disasm: #<ISeq:<compiled>@<compiled>:1 (1,0)-(1,7)> (catch: FALSE)
0000 putobject                              2                         (   1)[Li]
0002 putobject                              2
0004 opt_send_without_block                 <calldata!mid:**, argc:1, ARGS_SIMPLE>
0006 opt_send_without_block                 <calldata!mid:-@, argc:0, ARGS_SIMPLE>
0008 leave
=> nil
>> puts RubyVM::InstructionSequence.compile('-2.itself ** 2').disasm 
== disasm: #<ISeq:<compiled>@<compiled>:1 (1,0)-(1,14)> (catch: FALSE)

gr33n7007h

require 'socket'

TCP_STATES = {
  1 => :established,
  2 => :syn_sent,
  3 => :syn_recv,
  4 => :fin_wait1,
  5 => :fin_wait2,
  6 => :time_wait,
  7 => :close,

gr33n7007h

require 'open-uri'
uri = URI("https://i.imgur.com/NYPjmMN.jpg")

File.open('/path/you/want/to/save/image/blah.jpeg', 'wb') do |dest| 
  URI.open(uri) do |source| 
    IO.copy_stream(source, dest) 
  end
end

gr33n7007h

#!/usr/bin/env ruby

fizzbuzz = -> (n) {
  case [n % 3, n % 5, n]
  in 0, 0, _; "FizzBuzz"
  in 0, _, _; "Fizz"
  in _, 0, _; "Buzz"
  else n
  end
}

gr33n7007h

require 'fiddle/import'

class Object
  extend Fiddle::Importer

  RUBY_FL_SINGLETON = 1 << 12
  RBasic = struct ['uintptr_t flags', 'uintptr_t klass']

  private_constant :RUBY_FL_SINGLETON, :RBasic

gr33n7007h

require 'yaml'

t = %i(name address tel fax email website).freeze
c = []

File.read('data.txt').split("\n\n").each do |line|
  c << t.zip(line.split("\n")).to_h
end

puts c.to_yaml

gr33n7007h

#!/usr/bin/env luajit

local ffi  = require 'ffi'
local cast = ffi.cast
local cdef = ffi.cdef
local load = ffi.load

local libruby = load '/usr/lib/libruby.so'

cdef[[

gr33n7007h

#include <stdio.h>

// compile: gcc -g -fPIC -Wall -Werror -Wextra -pedantic callback.c -shared -o libtest.so

void
message(void)
{
  puts("wassupppp!");
}

gr33n7007h

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