jeffchao

# Run using rspec.
#   e.g.: rspec file_name.rb

require 'rubygems'
require 'rspec'

module Enumerable
  def mymap (&block)
    return nil if block.nil?

jeffchao

// Run using jasmine-node.
//   e.g.: jasmine-node file_name.spec.js

Array.prototype.mymap = function (callback) {
  var obj = Object(this);

  if (obj.length === 0) return null;
  if (typeof(callback) === 'undefined') return null;

  for (var i = 0, o; o = obj[i]; i++) {

jeffchao

require 'rubygems'
require 'rspec'

module Enumerable
  def myinject (base = nil, &block)
    return nil if block.nil?
    return nil if self.length.zero?

    if base.nil?
      case self.first

jeffchao

Array.prototype.myinject = function () {
  var obj = Object(this);
  var base;
  var callback;

  if (arguments.length === 2) {
    base = arguments[0];
    callback = arguments[1];
  } else if (arguments.length === 1) {
    callback = arguments[0];

jeffchao

rm -rf _deploy
mkdir _deploy
cd _deploy
git init
git remote add origin git@github.com:username/username.github.io.git
git pull origin master
cd ..
bundle exec rake deploy

jeffchao

# Get a list of existing remote branches
git fetch origin

# Checkout the branch from that branch
git checkout -b branch_name origin/branch_name

git pull origin branch_name
git push origin branch_name  # yields 'Everything up-to-date'

jeffchao

# By commit hash
git for-each-ref --sort=-committerdate refs/heads/

# By name, date.
git for-each-ref --sort=-committerdate refs/heads/ --format='%(committerdate:short) %(authorname) %(refname:short)'

jeffchao

// Reset the index to the desired tree.
git reset <specific sha>

// Move the branch pointer back to the previous HEAD.
git reset --soft HEAD@{1}

git commit

git push origin master

jeffchao

upstream foo_backend {
  server 127.0.0.1:8080;
}
 
server {
  listen 443 ssl;
  ssl_certificate /etc/nginx/ssl/foo.com.bundle.crt;
  ssl_certificate_key /etc/nginx/ssl/foo.com.key;
  ssl_ciphers RC4:HIGH:!aNULL:!MD5;
  ssl_prefer_server_ciphers on;

jeffchao

CREATE TABLE employees (company varchar, name varchar, age int, role varchar, primary key (company, name, age)) with clustering order by (name desc, age asc);