martintsch

HTTP status code symbols for Rails

Thanks to Cody Fauser for this list of HTTP responce codes and their Ruby on Rails symbol mappings.

Status Code Symbol
1xx Informational
100 :continue
101 :switching_protocols
102 :processing

martintsch

#!/usr/bin/env ruby

require "openssl"
require "time"

begin
  require "origami"
rescue LoadError
  abort "origami not installed: gem install origami"
end

martintsch

rm Library/Containers/com.docker.docker/Data/com.docker.driver.amd64-linux/Docker.qcow2

martintsch

Effective Engineer - Notes

• By Edmond Lau
• Highly Recommended 👍
• http://www.theeffectiveengineer.com/

What's an Effective Engineer?

• They are the people who get things done. Effective Engineers produce results.

Adopt the Right Mindsets

martintsch

# Example Dockerfile
FROM hello-world

martintsch

Use these rapid keyboard shortcuts to control the GitHub Atom text editor on Mac OSX.

Key to the Keys

• ⌘ : Command key
• ⌃ : Control key
• ⌫ : Delete key
• ← : Left arrow key
• → : Right arrow key
• ↑ : Up arrow key

martintsch

1 - Download the RDS certificates (root plus region-specific intermediate ones) bundle:

wget -O config/rds-combined-ca-bundle.pem https://s3.amazonaws.com/rds-downloads/rds-combined-ca-bundle.pem

2 - Add config/rds-combined-ca-bundle.pem to the repository and redeploy to Heroku.

3 - Update the DATABASE_URL env var:

martintsch

This will create a proxy server in whatever your availability zone your VPC is in. For me, that's us-east-1b. For you, that may be something different. Steps 10+ should more or less work regardless of your provider since those steps cover the setup and configuration of TinyProxy.

1. Click the Launch Instance button.
2. Choose Ubuntu Server 14.04 LTS (HVM), SSD Volume Type. This isn't strictly necessary. If you choose another OS, check its documentation for how to install new packages.
3. On the Choose an Instance Type screen, select t2.micro. It's Free Tier eligible.
4. Click the Next: ... buttons until you reach the Configure Security Group screen.
   • You may wish to reduce the amount of storage on the Add Storage screen. This is optional.
   • You may wish to add a tag on the Tag Instance screen. This is also optional.
5. On the Configure Security Group screen:

• Select Create a new security group.

martintsch

# This is a skeleton for testing models including examples of validations, callbacks,
# scopes, instance & class methods, associations, and more.
# Pick and choose what you want, as all models don't NEED to be tested at this depth.
#
# I'm always eager to hear new tips & suggestions as I'm still new to testing,
# so if you have any, please share!
#
# @kyletcarlson
#
# This skeleton also assumes you're using the following gems: 

martintsch

SELECT * FROM locations l INNER JOIN (SELECT u.first_name, u.last_name, u.id as user_id, t1.id as vehicle_id, t1.regno FROM users u INNER JOIN (SELECT * FROM vehicles v WHERE sak_activated_at IS NOT NULL AND sak_deactivated_at IS NULL) t1 ON t1.user_id = u.id) t2 ON l.vehicle_id = t2.vehicle_id;