armw4

by Antwan Wimberly

I was not aware this was possible until I came across this post looking for examples of using ActiveRecord and rspec in unison.

I frequently make use of sample data in my posts; most commonly in the form of arrays.

In the midst of "shooting the breeze" with my fellow companions on the awesome "programmer files" gist, I could have made use of:

Array.new(3) { Person.new }

armw4

by Antwan Wimberly

I'm a huge fan and heavy user of Vim (I do all my ruby and open source development there...anything that' not Microsoft basically). I happen to use what I like to refer to as a "Vim bootstrap" in Steve Francia's awesome spf13.

It has sane defaults and comes equipped with the latest and greatest Vim plugins on the market.

After installing the bootstrap, you'll want to ensure you keep it update to date just like Homebrew formulas, ruby gems, and npm packages. It's prett easy to upgrade your bootstrap, but who really has enough RAM in their brain to store that curl command? Sure you could drop it into a script, make it executable via chmod, and put it into some folder that's attached to your $PATH variable, but I've yet to cross that bridge. I do know however that I've executed that command numerous times and that it should be stashed somewhere in my zsh history. I know it contains the string "curl", so I whip

armw4

by Antwan Wimberly

I finally figured it out (probably could have just ready the documentation, but who has time for that when they're gluttonously binging on source code)?

"You're eating right now, aren't you? You disgust us..."

It's just a platform independant way of creating a path. It's abstracting the proper separator for you (which is either a backslash or forward flash depending on whether or not you're on *nix or Windows). It's even smart enough to not add a slash to the path if any of your arguments already contain it.

File.join("hi-there/now", 'locales', '*.yml') # => "hi-there/now/locales/*.yml"

armw4

# monkey patches jasmine (node) to provide beforeAll and afterAll hooks
#
# be sure to add this file as a helper as described in my answer on SO:
#
# http://stackoverflow.com/a/22054113/389103
#
# inspired by https://groups.google.com/forum/#!msg/jasmine-js/1LvuiUPunwU/SXPo6PMGSSMJ
#
# targets jasmine-node@1.13.1 and jasmine@1.3.1
#

armw4

# https://docs.angularjs.org/api/ngMockE2E/service/$httpBackend

### @usage
path = require './path'
urlMatcher = path '/users/:guid/helloworld/:guid'

phones = [{name: 'phone1'}, {name: 'phone2'}]

$httpBackend.whenGET(urlMatcher).respond(phones)

armw4

Why?

Working with streams in node can be a scary and daunting task. The first time I saw the stream handbook, it left me quite perplexed. After seeing stuff like through, through2, and @acrute doing some stream kung fu on the job, I knew it was time. Streams are actually pretty straightforward once you get the hang of things. Read the handbook and the node docs and eventually your epiphany shall be born. I think one of the most confusing things for me was that Readable streams are for reading values that are produced by you, while Writeable streams are for dealing with values that are to be consumed by you. Say I wanted to put (write) some data from another stream into a file, and I wanted to take control of this process. Or say I just wanted to log (write) the results of a stream to say the console. These would be prime for Writeable

armw4

###by Antwan Wimberly###

We'll start with a function that logs the output of calls to Array.prototype.slice; starting from 0 up until n (number of agruments).

function logArgs () {
  var length = arguments.length, args;

  for(var index = 0; index < length; index++) {
 args = Array.prototype.slice.call(arguments, index);

armw4

###by Antwan Wimberly###

class HiO
  def print_i
    # note...this won't print 12...even though we set
    # this variable in the `toast` method
    puts "my var is #{@var}"

    # and neither will this...failure!!!

armw4

###by Antwan Wimberly###

class Base
  def print_value(value)
    puts value.to_s
  end
end

class DerivedClass < Base; end

armw4

###by Antwan Wimberly###

Binary logarithm of some number y is some number x, where x is 2 raised to x

2 ^ x = y

x | y
-----
0 | 1