hoanghiep90

# Be sure to save your config files. Optional but I do:
sudo cp /etc/postgresql/9.3/main/postgresql.conf ~
sudo cp /etc/postgresql/9.3/main/pg_hba.conf ~

# Also probably optional but I like to update sources and upgrade
sudo apt-get update
sudo apt-get upgrade

# Install postgres 9.4
sudo apt-get update

hoanghiep90

1. Install Linux updates, set time zones, followed by GCC and Make
 
sudo yum -y update
sudo ln -sf /usr/share/zoneinfo/America/Indianapolis \
/etc/localtime
sudo yum -y install gcc make
 
 
2. Download, Untar and Make Redis 3.0 (check here http://redis.io/download)
 

hoanghiep90

I need to install pg 0.17.1 gem on a server running CentOS. This is the error message I saw:

# gem install pg -v '0.17.1'
Building native extensions.  This could take a while...
ERROR:  Error installing pg:
        ERROR: Failed to build gem native extension.

/usr/bin/ruby extconf.rb
checking for pg_config... no
No pg_config... trying anyway. If building fails, please try again with

hoanghiep90

Step 1: Creating the private server key.

sudo openssl genrsa -des3 -out server.key 2048


Step 2: Creating a certificate signing request:

sudo openssl req -new -key server.key -out server.csr

This command will prompt terminal to display a lists of fields that need to be filled in.

hoanghiep90

For nginx:

location ~* \.(ttf|ttc|otf|eot|woff|svg|font.css)$ {
          add_header Access-Control-Allow-Origin *;
          expires 1M;
          access_log off;
          add_header Cache-Control "public";
        }

hoanghiep90

$ mina deploy
-----> ERROR: another deployment is ongoing.
       Delete the lock file to continue.

$ mina deploy:force_unlock
-----> Unlocking
       $ rm /var/www/kickstack.me/deploy.lock

$ mina deploy
# ...The deploy should proceed now

hoanghiep90

I had some error while I used ng-click

<a ng-click="#/search/San+Francisco">test</a>
instead of ng-href

<a ng-href="#/search/San+Francisco">test</a>
I hope it might help

hoanghiep90

# QUESTION 1
# What’s the problem with the following controller code? What would be the consequence of leaving this code in a production app? How would you fix it?
class MyController < ApplicationController
  def options
    options = {}
    available_option_keys = [:first_option, :second_option, :third_option]
    all_keys = params.keys.map(&:to_sym)
    set_option_keys = all_keys & available_option_keys
    set_option_keys.each do |key|
      options[key] = params[key]

hoanghiep90

## Place in config/initializers/00_pending_migrations.rb

# Raise an error and abort the run there are any pending migrations:
if Rails.env.development?
  # Rails 4 way ;)
  if Rails.version >= '4'
    ActiveRecord::Migration.check_pending!
  else
    # Rails 3 way - TODO: remove when we up to Rails 4
    migrator = ActiveRecord::Migrator.new(

hoanghiep90

class GooglePlayVerification
  require 'google/api_client'
 
  # Refer: 
  # https://code.google.com/p/google-api-ruby-client/issues/detail?id=72
  # and
  # http://jonathanotto.com/blog/google_oauth2_api_quick_tutorial.html
  # and
  # http://milancermak.wordpress.com/2012/08/24/server-side-verification-of-google-play-subsc/
  GOOGLE_KEY    = 'xxx-xxx.apps.googleusercontent.com'