michaelvobrien

#!/usr/bin/env bash

QUERY=${1:-h/1}
elixir -e "
  import IEx.Helpers
  Application.put_env(:iex, :colors, [width: 80, enabled: true])
  h(${QUERY})
  " \
  | /usr/bin/less -R
  

michaelvobrien

#!/usr/bin/env elixir
# similar to `while gets`

defmodule Helpers do
  def chomp(string) do
    String.trim_trailing(string, "\n")
  end

  def p(arg) do
    inspect(arg, pretty: true)

michaelvobrien

#!/usr/bin/env elixir
# similar to `while gets` and prints line

defmodule Helpers do
  def chomp(string) do
    String.trim_trailing(string, "\n")
  end

  def p(arg) do
    inspect(arg, pretty: true)

michaelvobrien

Elixir Overview

• Elixir Docs
• Binaries, Strings, and Char Lists
• Erlang Docs
• Erlang Reference
• Erlang Standard Library
• OTP
• Erlang BIFs

michaelvobrien

Ruby Overview

• Ruby Core
• Ruby Standard Library

IRB and Signals

• CTRL-C sends INT ("interrupt") signal. Ignores input and creates a new prompt.
• CTRL-D sends EOT ("end of transmission") signal. Exits.
• CTRL-Z sends TSTP ("terminal stop") signal. Nothing.

michaelvobrien

#!/usr/bin/env ruby

# (The MIT License)
#
# Copyright (c) 2015 Michael V. O'Brien
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell

michaelvobrien

Questions about Ember Data Error Handling

ember-data.js:https://github.com/emberjs/data/tree/0396411e39df96c8506de3182c81414c1d0eb981

In short, when there is an error, I want to display error messages in the view, and then the user can 1) cancel, which will rollback the transaction 2) correct the input errors and successfully commit the transaction, passing the validations on the server.

Where is the error callback?

 updateRecord: function(store, type, record) {

michaelvobrien

##################################################
# set-option (alias: set)
# set-window-option (alias: setw)
# bind-key (alias: bind)
# unbind-key (alias: unbind)
##################################################

# prefix
set -g prefix M-`
unbind C-b

michaelvobrien

STACK_NAME='stack'
alias stack="redis-cli lrange ${STACK_NAME} 0 -1"
alias push="redis-cli lpush ${STACK_NAME}"
alias pop="redis-cli lpop ${STACK_NAME}"
alias empty="redis-cli del ${STACK_NAME}"

michaelvobrien

#!/usr/bin/env bash

export CHEF_DIR="${HOME}/cheftest"
rm -rf $CHEF_DIR/*
rm -rf $CHEF_DIR/.git*
mkdir -p "$CHEF_DIR"

sudo apt-get install ruby ruby-dev libopenssl-ruby rdoc ri irb build-essential wget ssl-cert git

cd /tmp