wader

<?php

// put this script in web accessable directory with mp3 files and it will
// serve them as a podcast feed. can be used as index.php etc.

// absolute url for current request
function absolute_url() {
  return
    "http" . ($_SERVER["HTTPS"] != "" ? "s" : "") . 
    "://{$_SERVER["SERVER_NAME"]}" .

wader

#import <Foundation/Foundation.h>

@interface Test1 : NSObject
@end

@implementation Test1
- (id)retain {
    return [super retain];
}
- (oneway void)release {

wader

ID3v2 notes

Specs can be found at http://id3lib.sourceforge.net/id3/develop.html

Tag size is always a 4 byte synch safe big endian integer and unsynchronization does not affect it.

v2.2

Frame have 3 byte type.
Frame size is 3 bytes big endian integer (not synch safe).

wader

/*

2013-10-28 11:05:58.558 ivar_kvo_test[17451:303] ivar = 
2013-10-28 11:05:58.559 ivar_kvo_test[17451:303] _ivarWithManualSetter = 
2013-10-28 11:05:58.559 ivar_kvo_test[17451:303] _prop = 
2013-10-28 11:05:58.560 ivar_kvo_test[17451:303] _propWithSetter = 
2013-10-28 11:05:58.560 ivar_kvo_test[17451:303] setValue:forKey:ivar
2013-10-28 11:05:58.561 ivar_kvo_test[17451:303]   observeValueForKeyPath: ivar
2013-10-28 11:05:58.561 ivar_kvo_test[17451:303] setValue:forKey:ivarWithManualSetter
2013-10-28 11:05:58.561 ivar_kvo_test[17451:303]   observeValueForKeyPath: ivarWithManualSetter

wader

# multipart byte ranges mime -> [[offset, content], ...]
def parse_multipart_byteranges(body, content_type)
  # match boundary=...
  match = /boundary=(.*)$/.match(content_type)
  return nil if match.nil?
  boundary = match[1]

  # (\r\n)--boundary\r\npart\r\n--boundary(--)\r\n -> [part, ..]
  parts = body.split(/(?:\r\n)?--#{boundary}(?:--)?\r\n/)
  ranges = []

wader

sudo python -m smtpd -n -d 0:25

wader

class SparseFile < IO
  def initialize(ranges, total_length, fill = "\0")
    @ranges = ranges
    @total_length = total_length
    @position = 0
    @fill = fill
  end

  def rewind
    @position = 0

wader

require "rexml/document"

# in this case monkey patch to be able to read Inkscape "plain svg" files
# make the namespace stack start out to have inkscape: and sodipodi:
module REXML
  module Parsers
    class BaseParser
      alias_method :old_stream, :stream=
      def stream=(source)
        old_stream(source)

wader

#!/bin/sh
exec curl -X POST -H "Content-Type: application/json" -d "$(cat $0 | tail +3)" http://host/path
{
  "some": {
    "json": "here"
  }
}

wader

# don't set QoS field in packets, the router seems to do something strange if set.
ssh -o IPQoS=cs0 ...