ik5’s gists

## wav_duration.go
package main

import (
	"fmt"
	"log"
	"os"
	"path/filepath"
	"time"

	"github.com/go-audio/wav"

## testing_hash_functions.go
package main

import (
	"fmt"
	"hash"
	"hash/adler32"
	"hash/crc32"
	"hash/fnv"

	"github.com/dgryski/dgohash"

## scan.py
#!/usr/bin/env python3
'''
Example on how to do TCP port scanner in Python
'''

import socket


def scan(address, port, timeout=3):
    '''TCP Port Scanner'''

## scan.pl
#!/usr/bin/env perl

use warnings;
use strict;

use v5.20;

use IO::Socket::INET;

use experimental qw( switch );

## scan.go
package main

import (
	"fmt"
	"net"
	"strings"
	"time"
)

const (

## index.js
fetch('https://nominatim.openstreetmap.org/reverse?format=json&lat=32.0959358&lon=34.8215234&addressdetails=1&accept-language=en')
 .then((data) => { return data.json() } )
 .then((data) => { console.table(JSON.stringify(data)) } )
 .catch((err) => { console.error(err) } )

## scan.rb
#!/usr/bin/env ruby

require 'socket'

def tcp_connect(address, port, timeout: 20)
  # making sure we are talking with IP
  connected = false
  addr = Socket.getaddrinfo(address, nil)
  sock_addr = Socket.pack_sockaddr_in(port, addr[0][3])
  Socket.new(Socket.const_get(addr[0][0]), Socket::SOCK_STREAM, 0).tap do |socket|

## fact_err
[32m2018-04-25T09:22:15[0m [[32mI[0m|[36mapp[0m|] Started POST "/api/v2/discovered_hosts/facts" for ::1 at 2018-04-25 09:22:15 +0300
[32m2018-04-25T09:22:15[0m [[32mI[0m|[36mapp[0m|13a50] Processing by Api::V2::DiscoveredHostsController#facts as JSON
[32m2018-04-25T09:22:15[0m [[32mI[0m|[36mapp[0m|13a50]   Parameters: {"facts"=>"[FILTERED]", "apiv"=>"v2", "discovered_host"=>{"facts"=>"[FILTERED]"}}
[32m2018-04-25T09:22:15[0m [[32mI[0m|[36mapp[0m|13a50] Current user: foreman_admin (administrator)
[32m2018-04-25T09:22:15[0m [D|[36mapp[0m|13a50] Setting current user thread-local variable to foreman_admin
[32m2018-04-25T09:22:15[0m [[32mI[0m|[36maud[0m|13a50] create event for Nic::Managed with id 44
[32m2018-04-25T09:22:15[0m [D|[36mapp[0m|13a50] Setting current user thread-local variable to nil
[32m2018-04-25T09:22:15[0m [[33mW[0m|[36mapp[0m|13a50] Host discovery failed, facts: {"physicalprocessorcount"=>"3", "memorysize_mb"=>"900", "blockdevice.sda_size"=>"1234567890"

## simple_bench.rb
require 'benchmark'

N = 1_000_000
REGEX = /^abc/
STR = 'abc are letters'.freeze

Benchmark.bm(13) do |x|
  x.report('start_with?') do
    N.times do
      STR.start_with?('abc')

## regexp_vs_start_with.rb
require 'benchmark'
require 'securerandom'

N = 1_000_000
REGEX = /^(abc|Abc|ABC)/

def gen_randstr(len = 24)
  SecureRandom.base64(len)
end