gabehollombe

TUNNELING

Expose server port 456 on local port 123
$ ssh -L 123:localhost:456 user@yourserver.com

Transparent SOCKS proxy on localhost:12345
$ ssh -D 12345 user@yourserver.com

gabehollombe

def wait_for(selector)
  time_waiting = 0
  sleep_tick = 0.1
  num_matches = -> { page.evaluate_script("$('#{selector}').length").to_i }
  while num_matches.call <= 0 do
    time_waiting += sleep_tick
    sleep(sleep_tick)
    timeout_reached = time_waiting >= Capybara.default_wait_time
    raise "Timeout reached while waiting for '#{selector}'" if timeout_reached
  end

gabehollombe

#Functions for lazy git commiting
#Instead of: git commit -m "some message"
#Type: gci some message
gci() {
  if [ -z "$1" ] # Is parameter #1 zero length?
  then
    echo "You must pass a commit message like this: gci some message here  - which then becomes: git commit -m 'some message here'"
  else
    git commit -m "$*"
  fi

gabehollombe

Useful for when you need to have two hosts talk to each other on a specific port but they're both NATed (behind routers).  
For example, you want to be able to SSH into your friend's machine to pair program with them.

host-machine$ ssh -R 55555:localhost:22 myaccount@my_ssh_server.com

connecting-machine$ ssh -L 55555:localhost:55555 myaccount@my_ssh_server.com
connecting-machine$ ssh -p 55555 user_on_host_machine@localhost

gabehollombe

d = (s) -> o = {}; o[k] = eval(k) for k in s.split(' '); console.log JSON.stringify(o, null, '  ')

# Or, the compiled JavaScript:

d = function(s) {
    var k, o, _i, _len, _ref;
    o = {};
    _ref = s.split(' ');
    for (_i = 0, _len = _ref.length; _i < _len; _i++) {
      k = _ref[_i];

gabehollombe

# These are my notes from the PragProg book on CoffeeScript of things that either 
# aren't in the main CS language reference or I didn't pick them up there. I wrote 
# them down before I forgot, and put it here for others but mainly as a reference for 
# myself.

# assign arguments in constructor to properties of the same name:
class Thingie
    constructor: (@name, @url) ->

# is the same as:

gabehollombe

> Number.prototype.seconds = function(){ return this * 1000 }
=> function (){ return this * 1000 }

> 1..seconds()
=> 1000

> (1).seconds()
=> 1000

> 1['seconds']()

gabehollombe

Autotest.add_hook :initialize do |at|
  at.add_mapping(%r%^spec/integration/.*_spec.rb$%, true) { |filename, _|
    filename
  }

  at.add_mapping(%r%^app/(models|controllers|helpers|lib)/.*rb$%, true) {
    at.files_matching %r%^spec/integration/.*_spec.rb$%
  }

  at.add_mapping(%r%^app/views/(.*)$%, true) {

gabehollombe

LabelOne LabelTwo
  - feature one (description one)

  - feature two (description two)

  - feature three with multiline desc following
    desc line 1
    desc line 2
    desc line 3

gabehollombe

grammar PivotalStories
  rule stories
    story*
  end

  rule story
    feature*
  end

  rule feature