aviddiviner

license: gpl-3.0

aviddiviner

#!/bin/bash -ex
perl -pi -e 's/^#?Port 22$/Port 443/' /etc/ssh/sshd_config
service sshd restart || service ssh restart

aviddiviner

#!/usr/bin/python

import re
import sys
from subprocess import call

if len(sys.argv) > 2:

    filename, linenum = sys.argv[1], sys.argv[2]

aviddiviner

// Splits a string into parts by a given pattern, interleaving the matched
// parts with the unmatched parts.
// For example:
//  splitInterleaved(/a/, "aabbac") => []string{"a", "a", "bb", "a", "c"}
// Another way of looking at it is:
//  regexp.Split() <zip> regexp.FindAllString() <flatten>
//
func splitInterleaved(re *regexp.Regexp, str string) []string {
	splits := re.FindAllStringIndex(str, -1) // Find all the split points
	slice := make([]string, len(splits)*2+1) // Allocate enough space

aviddiviner

#!/usr/bin/env ruby
#
# A little wrapper around the Ruby Nokogiri gem for easy markup scanning.
#
#  Usage: cat example.html | noko 'body .header[2]'
#  Usage: curl -L http://google.com | noko 'table a'
#  Usage: noko 'css selector'
#    (Type in some lines, ctrl-d when done.)
#
require 'nokogiri'

aviddiviner

#!/bin/bash

handler () {
  kill -s SIGINT $PID
  while kill -0 $PID &>/dev/null
  do
    wait $PID
  done
}

aviddiviner

module Enumerable
  # Iterate through a list of things, printing out dots every N items.
  #
  #  cards.each_with_progress do |card|
  #    ...
  #  end
  #
  def each_with_progress(dot_interval = 20)
    progress = 0
    each do |item|

aviddiviner

// A delayed reaction tooltip handler for jQuery.
// Useful for tooltips that are costly to load, such as images.
//
//  $('#article a').delayedHint(function(anchor, callback) {
//    var imgSrc = $(anchor).attr('href');
//    $('<img/>').load(function() {
//      var frame = $('<span class="frame"></span>').append(this);
//      callback(frame);
//    }).attr('src', imgSrc);
//  });

aviddiviner

require 'thread'

# A simple thread pool for running N parallel jobs.
#
#  pool = ThreadPool.new(5)
#  20.times do
#    pool.next_thread{ sleep 2 }
#  end
#  pool.join
#

aviddiviner

# A simple logger to STDERR.
#
#  log = SimpleLogger.new
#  log.info "Helpful log message"
#  log.debug "Some debugging output"
#
class SimpleLogger
  LEVELS = %w(debug info warn error fatal)
  def initialize(level = :debug)
    @visible = LEVELS[LEVELS.index(level.to_s)..(-1)]