Iristyle

Basic encoding info

• ASCII is 0 - 7F (128 total characters) - ASCII is a subset of UTF-8
• UTF-8 - variable width 1 to 4 bytes

Numberof bytes	Bits forcode point	Firstcode point	Lastcode point	Byte 1	Byte 2	Byte 3	Byte 4
1	7	U+0000	U+007F	0xxxxxxx
2	11	U+0080	U+07FF	110xxxxx	10xxxxxx
3	16	U+0800	U+FFFF	1110xxxx	10xxxxxx	10xxxxxx

kylog

listvm() { curl --url http://vcloud.delivery.puppetlabs.net/vm 2> /dev/null | ruby -e 'require "json"; JSON.parse(STDIN.read).each { |vm| puts vm }' }
getvm() { curl -d --url http://vcloud.delivery.puppetlabs.net/vm/$1 2> /dev/null | ruby -e 'require "json"; resp = JSON.parse(STDIN.read); puts resp["'$1'"]["hostname"]'}
sshvm() { ssh -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no -i ~/.ssh/id_rsa-acceptance root@$1 "${@:2}" }
rmvm() { curl -X DELETE --url http://vcloud.delivery.puppetlabs.net/vm/$1 }

matsadler

Ruby 2.0.0 in detail

Keyword arguments

def wrap(string, before: "<", after: ">")
  "#{before}#{string}#{after}" # no need to retrieve options from a hash
end

# optional

mbostock

Collections

each(array)

Underscore example:

_.each([1, 2, 3], function(num) { alert(num); });

RichMorin

# file_path: "yard/.yardoc"
# options:   {:types=>[:namespace, :method], :levels=>2}
# node_path: "YARD"

{
    "@context": {
        "type":                         "@type",
        "y_ld":                         "http://sparqly.cfcl.com/y_ld/",
        "yard":                         "http://sparqly.cfcl.com/yard/",