kany

# -------
# rubocop
# -------
# example usage:
#   check a directory:     rubocop app/controllers
#   check a file:          rubocop app/controllers/application_controller.rb
#   check rspec directory: rubycop spec/controllers
#   check rspec file:      rubycop spec/controllers/application_controller_spec.rb
run_rubocop(){
  if gem list | gem list | grep 'rubocop\|rubocop-rspec' ; then

kany

SENDMAIL on MAC OSX Yosemite

http://www.garron.me/en/mac/postfix-relay-gmail-mac-os-x-local-smtp.html

1. Create a file to store our credentials:

sudo vim /etc/postfix/sasl_passwd

kany

gem install less --no-ri --no-rdoc
gem install therubyracer --no-ri --no-rdoc

lessc app/assets/stylesheets/less/mobile/common/core.less > app/assets/stylesheets/css/mobile/core.css

1) delete associated css file(s) for modified less file(s) from public/assets/***.css
2) bundle exec rake assets:precompile

kany

http://stackoverflow.com/questions/24081473/how-to-install-therubyracer-gem-on-10-10-yosemite

gem uninstall libv8
brew install v8
gem install therubyracer
gem install libv8 -v '3.16.14.3' -- --with-system-v8

kany

# Add 'config.development_environments = []' to config/initializers/airbrake.rb
Airbrake.configure do |config|
  config.api_key          = "1234"
  config.environment_name = AppConfig.environment if AppConfig.environment
  config.secure           = true
  config.development_environments = []
end

# Test it out in the console
1) rails console

kany

For each Ruby module/class, we have Ruby methods on the left and the equivalent
Clojure functions and/or relevant notes are on the right.

For clojure functions, symbols indicate existing method definitions, in the 
clojure namespace if none is explicitly given.  clojure.contrib.*/* functions can
be obtained from http://github.com/kevinoneill/clojure-contrib/tree/master,
ruby-to-clojure.*/* functions can be obtained from the source files in this
gist.

If no method symbol is given, we use the following notation:

kany

# Use raw sql to calculate distance between latitude/longitude coordinates

# From the web
# - http://gis.stackexchange.com/questions/31628/find-points-within-a-distance-using-mysql
"SELECT
  id, (
    3959 * acos (
      cos ( radians(78.3232) )
      * cos( radians( lat ) )
      * cos( radians( lng ) - radians(65.3234) )

kany

Deploy Facebooks' React VR TourSample to Heroku in 5 minutes or less

Step by step instructions for deploying react-vr/tree/master/Examples/TourSample to Heroku.

Demo

https://serene-retreat-76943.herokuapp.com/index.html

Shout-outs to:

1. Facebook for their VR framework React VR.

kany

# resource - http://richardlog.com/post/12743073497/pretty-printing-json-and-xml-on-mac-osx

# Formatting XML
cat unformatted.xml | xmllint --format - > formatted.xml

# Formatting JSON
cat unformatted.json | python -m json.tool > formatted.json

kany

Toggle Wireless Mode

This script will allow switching between managed and monitor mode for a wireless adapter.

Managed mode is the default wireless adapter mode.

Monitor mode allows monitoring all traffic received on a wireless channel and allows packets to be captured without having to associate with an access point.

Environment