thecodesmith

Notes on Advanced GORM - Burt Beckwith on infoq.com

GORM Collections

Don't use collections (for large collections) Instead of using GORM collections:

class Library {
    String name

static hasMany = [visits: Visit]

thecodesmith

# Get DNS server names
nm-tool | grep DNS

# Add one or more of the above IPs to the docker config:
#   DOCKER_OPTS="--dns 8.8.8.8 ... --dns <local DNS server IP>"
vi /etc/default/docker

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#!/usr/bin/env bash

# Run this command first to allow downloading of bootstrap script:
# sudo apt-get install curl
# curl https://gist.githubusercontent.com/thecodesmith/256c0bca7ad7e88f509a/raw/163665eefb90f986fb47fb4cec0006105577ee69/bootstrap.sh -o bootstrap.sh

sudo apt-get update
sudo apt-get -y install xsel
sudo apt-get -y install git

thecodesmith

Creating a Grails app and calling run-app yields this error:

ERROR grails.boot.GrailsApp - Application startup failed
java.lang.VerifyError: Bad <init> method call from inside of a branch
Exception Details:
  Location:
    grails/web/mime/MimeType.<init>(Ljava/lang/String;)V @119: invokespecial
  Reason:
    Error exists in the bytecode
  Bytecode:

thecodesmith

import javax.sql.DataSource
import groovy.sql.Sql

class BeanImpl {
    
    // Setter injection
    Sql sql
    
    // Constructor injection
    BeanImpl(DataSource dataSource) {

thecodesmith

# Generate new ssh key
ssh-keygen -t rsa

# Copy public key to remote server
cat ~/.ssh/id_rsa.pub | ssh user@hostname 'cat >> .ssh/authorized_keys'

thecodesmith

# Put this in /etc/inputrc

set completion-ignore-case on

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[user]
    name = Brian Stewart
    email = brian@...
    
[push]
    default = simple

[alias]
    co = checkout
    ci = commit

thecodesmith

# Notes:
# Port field not required, defaults to 22
# IdentityFile field not required, defaults to ~/.ssh/id_rsa

Host github
    User git
    HostName github.com
    IdentityFile ~/.ssh/id_rsa
    
Host laptop

thecodesmith

Download RabbitMQ Server: 

https://www.rabbitmq.com/download.html

Install RabbitMQ Server. The server will start automatically with default settings.

Default settings for publishing/consuming:

username: 'guest'
password: 'guest'