razorcd

1. Codebase
One codebase tracked in revision control, many deploys

2. Dependencies
Explicitly declare and isolate dependencies

3. Config
Store config in the environment

4. Backing services

razorcd

exec("echo 'hello world'") # exits from ruby, then runs the command
system('echo', 'hello world') # returns the status code
sh('echo', 'hello world') # returns the status code
`echo "hello world"` # returns stdout
%x[echo 'hello world'] # returns stdout

razorcd

MySQL

Getting started:

• http://www.sqlteaching.com/
• https://www.codecademy.com/courses/learn-sql

Related tutorials:

• MySQL-CLI: https://www.youtube.com/playlist?list=PLfdtiltiRHWEw4-kRrh1ZZy_3OcQxTn7P
• Analyzing Business Metrics: https://www.codecademy.com/learn/sql-analyzing-business-metrics

razorcd

== - returns true only if the two compared entities are the same object
=== - is the Case Equality Operator (Case Subsumption Operator) (fits in drawer?)
eql? - method returns true if obj and other have the same value.
equal? - determines object identitfy. Compares pointers

razorcd

# Returns a User instance that's not saved (does not write to DB)
user = build(:user)

# Returns a saved User instance (writes to DB)
user = create(:user)

# Returns a hash of attributes that can be used to build a User instance
attrs = attributes_for(:user)

# Returns an object with all defined attributes stubbed out

razorcd

Install ElasticSearch and Java

1  wget https://download.elasticsearch.org/elasticsearch/elasticsearch/elasticsearch-1.0.1.deb
2  sudo dpkg -i elasticsearch-1.0.1.deb
3  sudo update-rc.d elasticsearch defaults 95 10
4  sudo add-apt-repository ppa:webupd8team/java
5  sudo apt-get update
6  sudo apt-get install oracle-java7-installer
7  java -version

razorcd

<style>
  .dropdown-submenu {
      position:relative;
      
      & > .dropdown-menu { 
          top:0;
          left:100%;
          margin-top:-6px;
          margin-left:-1px;
          -webkit-border-radius:0 6px 6px 6px;

razorcd

import {Component} from '@angular/core';
import {Observable} from 'rxjs/Observable';

@Component({
    selector: 'app',
    template: `
      <b>Angular 2 Component Using Observables!</b>

      <h6 style="margin-bottom: 0">VALUES:</h6>
      <div *ngFor="let value of values">- {{ value }}</div>

razorcd

import {Directive, Attribute} from 'angular2/core';
import {NgModel} from 'angular2/common';
 
@Directive({ 
    selector: '[mask]', 
    host: {
        '(keyup)' : 'onInputChange()'
    }
})
export class MaskDirective{

razorcd

{
  "from": 0,
  "size": 0,
  "aggregations": {
    "deviceFilter": {
      "filter": {
        "or": {
          "filters": [
            {
              "and": {