slawosz

I was asked once by https://github.com/jjperezaguinaga:

I am of the impression that you have a strong love fan for Go.
What's so cool about it? I'm kind of curious.

So here are my anwsers:

• easy to learn: http://tour.golang.org took me about 15 hours to complete (with browsing documentation)
• language is easy and minimalistic
• awesome standard library

slawosz

Commands:
* show_hotels
* show_locations

Hotel and locations will be loaded from csv file

slawosz

gauges => {
  "cpu" => {
      "value" => 82
  },
  "memory_utilization" => {
      "value" => 3028
  },
  "disk_read" => {
      "value" => 22.2
  }

slawosz

config.vm.customize ["setextradata", :id, "VBoxInternal2/SharedFoldersEnableSymlinksCreate/SHARE_NAME", "1"]

slawosz

export GOPATH=/vagrant/go
export GOROOT=/home/vagrant/go
export PATH=$PATH:$GOROOT/bin:$GOPATH/bin

slawosz

array = [['Number', 'Name'], [1, 'Foo'], [2, 'Bar'], [3, 'Baz']]

array.each do |sub_array|
  sub_array.each do |elem|
    print elem
    print ', '
  end
  print "\n"
end

slawosz

array = [['Number', 'Name'], [1, 'Foo'], [2, 'Bar'], [3, 'Baz']]

pretty_table(array)

# printed result:

+--------+--------+
| Number | Name   |
+--------+--------+
| 1      | Foo    |

slawosz

array = [['Number', 'Name'], [1, 'Foo'], [2, 'Bar'], [3, 'Baz']]

pretty_table(array)

# printed result:

+--------+--------+
| Number | Name   |
+--------+--------+
| 1      | Foo    |

slawosz

require 'socket'
server = TCPServer.new(2000)
clients = []
buffers = {}

while true
  sockets = [server] + clients
  readable, writable = IO.select(sockets)
  readable.each do |sock|
    begin

slawosz

➜  threads  cat read_nonblock.rb 
require 'benchmark'

result = Benchmark.measure do
  (1..4).map { |i|
      f = File.open("tmp#{i}.txt", 'w')
      1.upto(100_000) do
        f.write_nonblock('a' * 100) rescue nil
      end
  }