henrik

# Uses https://github.com/avantrec/soco-cli via https://pypa.github.io/pipx/.
# I map this to a HTPC keyboard key via Alfred.app.

if [ `soco -l "Front room" sub_enabled` == "on" ]; then
  soco -l "Front room" sub_enabled off : "Front room" light off
  say -vDaniel "Sub off"
else
  soco -l "Front room" sub_enabled on : "Front room" light on
  say -vDaniel "Sub on"
fi

henrik

class Foo
  private
  def bar = "bar"
end

foo = Foo.new
p foo.methods.include?(:bar) # => false
p foo.method(:bar) # Method
p Foo.instance_method(:bar) # Method

henrik

class Object
  def guard(cond, meth)
    prepend(Module.new {
      define_method(meth) { |*a, **aa, &b|
        super(*a, **aa, &b) if send(cond, *a, *aa, &b)
      }
    })
  end
end

henrik

# Similar to `Enumerable#chunk_while`, where it tries to make each chunk sum to no more than `max`.
# If a value is greater than `max`, it becomes its own chunk. (This is the "desired" part – we don't reject values higher than `max`.)

class ChunkByDesiredMaxValue
  def self.call(enum, max, &block)
    block ||= -> { _1 }

    sum = 0

    enum.chunk_while { |a, b|

henrik

class BigDecimal
   # `BigDecimal(123.456, 2)` becomes 120.0. It keeps 2 *significant digits*.
   # If you want two *decimals* of precision, use this method.
   def self.with_decimal_precision(value, precision)
     if value.is_a?(Float)
       length_before_decimal = Math.log10(value.abs).to_i + 1  # log for performance.
       BigDecimal(value, length_before_decimal + precision)
     else
       BigDecimal(value, precision)
     end

henrik

require "open-uri"

r = -> { URI(_1).read }

post_dates = r.("https://daringfireball.net/archive/")
  .scan(%r{<small>(.+?)</small>})
  .map { |(x)| Date.parse(x.gsub("&nbsp;", " ")) }

link_dates = r.("https://daringfireball.net/linked/")
  .scan(%r{href="(.+?/linked/20\d\d/.+?)"})

henrik

module AttrExtras
  def pattr_initialize(&block)
    arg_names = block.parameters.map(&:last)

    arg_names.each do
      attr_reader _1
      private _1
    end

    define_method(:__attr_extras_init_block, &block)

henrik

-- Works around a bug where Photos screensavers show original rather than edited versions:
-- https://discussions.apple.com/thread/7881820
--
-- This script exports edited versions to a folder, which the screensaver can then be configured to use.
-- Run it on a schedule e.g. via crontab.
-- By Henrik Nyh <https://henrik.nyh.se> under the MIT licence.

set albumName to "Skärmsläckare"  -- Export from this album.
set exportFolder to POSIX file (do shell script "echo ~/Library/original_photos_for_screensaver")  -- To this folder.

henrik

We had a downloaded MongoDB dump that we wanted to restore on cloud.MongoDB.com. This is how we did it:

0. Download the backup via the MongoDB web UI.

1. Unzip it. In this example we assume it unzipped to /tmp/foo.

2. Have MongoDB installed locally, e.g. via:

    brew tap mongodb/brew
    brew install mongodb-community
   

3. Start a local Mongo server:

henrik

set currentTimestamp to do shell script "date +%s"
set exportFile to (path to desktop as text) & "honda_e_wallpaper_" & currentTimestamp & ".jpg"

tell application "Pixelmator Pro"
	activate
	
	tell application "System Events" to tell process "Pixelmator Pro" to click menu item "Duplicate" of its menu of menu bar item "File" of menu bar 1
	set sourceDoc to the front document
	
	set targetDoc to make new document with properties {width:3840, height:720}