davidqhr

-- Create a group
CREATE ROLE readaccess;

-- Grant access to existing tables
GRANT USAGE ON SCHEMA public TO readaccess;
GRANT SELECT ON ALL TABLES IN SCHEMA public TO readaccess;

-- Grant access to future tables
ALTER DEFAULT PRIVILEGES IN SCHEMA public GRANT SELECT ON TABLES TO readaccess;

davidqhr

Keybase proof

I hereby claim:

• I am davidqhr on github.
• I am davidqin (https://keybase.io/davidqin) on keybase.
• I have a public key ASBgSkL7WWvRj1yeT6dh_-OqlTTw0EKy-ZPjBMV9DdyFFAo

To claim this, I am signing this object:

davidqhr

class Heap
  def initialize &block
    @data = []
    @less = block
  end

  def push i
    @data.push i
    len = @data.length
    upward(len-1)

davidqhr

// Use Gists to store code you would like to remember later on
console.log(window); // log the "window" object to the console

davidqhr

kibana:
  container_name: elk-kibana
  image: kibana:5
  ports:
    - "5601:5601"
  environment:
    ELASTICSEARCH_URL: http://elasticsearch:9200
  links:
    - elasticsearch
elasticsearch:

davidqhr

require 'uri'
require 'net/http'
require 'digest'

def refresh_upyun_cache urls
  raw_password = 'xxx'
  bucket = 'xxx'
  operator = 'xxx'

  date = Time.now.gmtime.strftime("%a, %d %b %Y %T GMT")

davidqhr

my mac

• cpu i5 2 cores
• RAM 8G

mysql version

SHOW VARIABLES LIKE '%version%';

+-------------------------+-----------------------+
| Variable_name           | Value                 |