letz

{
    "name": "Air Conditioner",
    "type": "air-conditioner",
    "minTemperature": 16,
    "maxTemperature": 30,
    "turnOnWhenOff": true,
    "data": {
        "off": "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

letz

heroku pg:backups:capture 
heroku pg:backups:download
pg_restore --verbose --clean --no-acl --no-owner -h localhost -U myuser -d mydb latest.dump

letz

create role DBNAME with createdb login;
create role DBNAME with createdb login password 'password1';

letz

#include <ESP8266WiFi.h>
#include <WiFiClient.h>
#include <ESP8266mDNS.h>
#include <WiFiUdp.h>
#include <PubSubClient.h>
#include <Adafruit_NeoPixel.h>

#define PIN 4
Adafruit_NeoPixel strip = Adafruit_NeoPixel(4, PIN, NEO_GRB + NEO_KHZ800);

letz

# decode_session_cookie.rb
# ------------------------
# The purpose of this script is to show that if I have the secret_key_base
# and a cookie to an active Rails session, I can decrypt it and gain access
# to key information about the user's session.

require 'rubygems'
require 'cgi'
require 'active_support'
require 'action_controller'

letz

/****** Current Format ******/

// Basic Message
metadata = {
  id: 1234234234, // Randomly generated by the client. Used for receiving success/fail callbacks
  client_id: 123456 // Sent from the server with the `websocket_rails.client_connected` event which is sent after the connection is opened. Store this and send it with each message.
  data: {name: 'shoes'} // Arbitrary data. Can be Object or String. This is available through #message or #data in the controller.
}

event = ["products.new", metadata]

letz

DisplayMetrics metrics = new DisplayMetrics();
getActivity().getWindowManager().getDefaultDisplay().getMetrics(metrics);

float yInches= metrics.heightPixels/metrics.ydpi;
float xInches= metrics.widthPixels/metrics.xdpi;
double diagonalInches = Math.sqrt(xInches*xInches + yInches*yInches);
if (diagonalInches>=6.5){
    // 6.5inch device or bigger
}else{
    // smaller device

letz

================================================================================
Error executing action `start` on resource 'service[mongos]'
================================================================================
 
 
Mixlib::ShellOut::ShellCommandFailed
------------------------------------
Expected process to exit with [0], but received '1'
---- Begin output of /etc/init.d/mongos start ----
STDOUT: Starting mongos: [FAILED]

letz

# Create Object dynamically

klass = Object.const_set 'DynamicWorker', Class.new
klass.redefine_method(:perform) { |*args| }
klass.include Sidekiq::Worker 

letz

Keybase proof

I hereby claim:

• I am letz on github.
• I am letz (https://keybase.io/letz) on keybase.
• I have a public key whose fingerprint is 6759 8FE9 DCD3 6A90 79B8 30C9 E55E 05AE 5852 6CB2

To claim this, I am signing this object: