muraiki

# Rolling sum using the Reduce function

EV <- c(1,.9,.8,.001,.001,.001,.001)

# Proportion of variance explained by each principle component.
prop_var <- EV / sum(EV)
# 0.3698224852 0.3328402367 0.2958579882
# 0.0003698225 0.0003698225 0.0003698225
# 0.0003698225

muraiki

<form>
  <label for="fieldName">Field name (include object):</label>
  <input id="fieldName" name="fieldName" type="text" size="100" onkeydown="if (event.keyCode == 13) false">
</form>

<p>
  <input type="checkbox" id="isPicklist" name="isPicklist" value="picklist">
  <label for="isPicklist">Picklist?</label>
  <input type="checkbox" id="isNot" name="isNot" value="not">
  <label for="isNot">NOT?</label>

muraiki

((,-)(2*>:&i.14))+(4*i.28)

muraiki

⍝ https://ngn.github.io/apl/web/index.html#code=s%u21902%D71+%u237314%0Ax%u2190%28s%2C-s%29+%284%D7%u237328%29%0A%u2395%20%u2190x%5B%u234Bx%5D%0A%u2395%20%u2190+/x
s←2×1+⍳14
x←(s,-s)+(4×⍳28)
⎕ ←x[⍋x]
⎕ ←+/x

muraiki

# disclaimer: I'm a perl6 noob :)

my $out = Supply.new;
$out.act: -> $s { say $s }; # actor model semantics; only ever execute this in 1 thread

my $watcher = IO::Notification.watch-path($*CWD.abspath)\
  .grep(*.event.isa(FileChangeEvent::FileChanged))\
  .unique(:as(*.path), :expires(1))\  # unique paths over last second, to prevent double-triggering from metadata events
  .map(*.path.IO)\ # convert event path strings to IO::Path objects
  .grep(*.extension eq 'p6')\

muraiki

my $PATH = '.';
my $USER = 'muraiki';
my $GROUP = 'staff';

IO::Notification.watch_path($PATH)\
    .unique(:as(*.path), :expires(1))\
    .map(*.path)\
    .grep(* ~~ /\.sock/)\
    .act(-> $socket {
        say "Socket created: $socket";  # actually this happens for any I/O on the file, not just creation

muraiki

# Intro to anonymous functions in Perl

use strict;
use warnings;
use feature qw(say);
use utf8;
binmode STDOUT, ':utf8';

# You can declare a sub without giving it a name. Hence, "anonymous" function.
sub { say 'this sub will never be called' };

muraiki

use strict;
use warnings;
 
open (my $foo, '<', 'foo.txt') or die;
open (my $bar, '<', 'bar.txt') or die;
open (my $merged, '>', 'merged.txt') or die;

print $merged '#!/bin/sh', "\n";
 
while (not eof $foo and not eof $bar) {

muraiki

function FooModel () {
  Object.defineProperties(this, {
    _foo: {
      value: ko.observable(x.name),
      enumerable: true,
      configurable: true
    },
    _bar: {
      value: ko.observable(x.server_id || x.instance_id || x.instanceId),
      enumerable: true,

muraiki

// map the keys in json to the properties on your model
var desiredKeys = {
  "foo": "foo",
  "bar": "bar"
};

Object.defineProperty(self, 'updateFromJson', {
  enumerable: true,
  value: function (data) {
    Object.keys(data)