denisdefreyne

    def print_graphviz(items, compiler)
      dt = compiler.dependency_tracker
      oc = compiler.outdatedness_checker

      puts "digraph {"
      self.sorted_reps_with_prev(items) do |rep, _|
        reason = oc.outdatedness_reason_for(rep)
        prevs = dt.objects_causing_outdatedness_of(rep.item)
        outdated_prevs = prevs.select { |e| oc.outdated?(e) }

denisdefreyne

Imagine two hashes that are clearly different:

hash_a[:donkey]
# => 5
hash_b[:donkey]
# => 10

Yet:

denisdefreyne

require 'json'
# => true

JSON.load('')
# => nil

JSON.parse('')
# JSON::ParserError: A JSON text must at least contain two octets!

denisdefreyne

Keybase proof

I hereby claim:

• I am ddfreyne on github.
• I am ddfreyne (https://keybase.io/ddfreyne) on keybase.
• I have a public key whose fingerprint is 02D7 06C2 7383 C9AE 5A6B 8942 A6EB 2130 80E7 63A7

To claim this, I am signing this object:

denisdefreyne

[BIP34] 15:43:14 INFO: syncthing v0.10.1+15-g964d17d (go1.3.2 linux-amd64 default) ddfreyne@bhakti 1970-01-01 00:00:00 UTC
[BIP34] 15:43:14 INFO: My ID: OBSCURED-MY-ID
[BIP34] 15:43:14 INFO: Starting web GUI on http://127.0.0.1:8080/
[BIP34] 15:43:17 INFO: No UPnP gateway detected
[BIP34] 15:43:17 INFO: Starting local discovery announcements
[BIP34] 15:43:17 INFO: Starting global discovery announcements
[BIP34] 15:43:17 OK: Ready to synchronize default (read-write)
[BIP34] 15:43:17 INFO: Device OBSCURED-MY-ID is "bhakti" at [dynamic]
[BIP34] 15:43:17 INFO: Device OBSCURED-OTHER-ID is "tahontaenrat" at [dynamic]
...

denisdefreyne

Clojure Woes

In Clojure, a map that lacks a certain key will return nil as a result:

(:foo {:name "Jacques"})
; => nil

This makes sense and is common in other languages too. (It’s not ideal in some cases though.)

denisdefreyne

extern crate core;

struct Point {
	t: f32,
	l: f32,
}

impl core::fmt::Show for Point {
    fn fmt(&self, f: &mut core::fmt::Formatter) -> core::fmt::Result {
		write!(f, "Point(left={}, top={})", self.l, self.t)

denisdefreyne

I have this bit of data:

C3 A3 E2 80 9A C2 A2 C3
A3 C6 92 C2 AC C3 A3 C6
92 3F C3 A3 C6 92 C2 B3
C3 A3 C6 92 E2 80 B0 C3
A3 C6 92 3F C3 A3 C6 92
C2 BB C3 A3 C6 92 C2 A9
C3 A3 C6 92 C5 B8 C3 A3

C6 92 C2 AC C3 A3 E2 80

denisdefreyne

class Stuff
  def initialize(params = {})
    @foo_name       = params.fetch(:foo_name)
    @foo_identifier = params.fetch(:foo_identifier)
    @bar_name       = params.fetch(:bar_name),
    @bar_identifier = params.fetch(:bar_identifier)
  end

  def to_a
    [

denisdefreyne

# Ruby’s Time and DateTime classes have different behaviors for #iso8601. Time
# uses the "Z" postfix to indicate UTC, while DateTime uses "+00:00".

require 'time'
require 'date'

puts Time.now.utc.iso8601
# => 2015-03-17T08:43:08Z

puts Time.now.utc.to_datetime.iso8601