aerosol

def random_device(reuse_owner=False, **kwds):
    def wrapper(f):
        def wrapped(self):
            if reuse_owner and hasattr(self, 'device'):
                print "Reusing owner %s" % self.device
                d = self.device
            else:
                print "no owner"
                d = 'A NEW DEVICE'
            self.device = d

aerosol

OS X Screencast to animated GIF

This gist shows how to create a GIF screencast using only free OS X tools: QuickTime, ffmpeg, and gifsicle.

Instructions

To capture the video (filesize: 19MB), using the free "QuickTime Player" application:

aerosol

-module(gen_ale_drinker).

%% There are 2 types of drink:
-type style() :: ale | not_ale.
%% Need to support imperial measurements (not US pints though)
-type volume() :: {imperial_pint, non_neg_integer()} | {litre, non_neg_integer()}.

-type beverage() :: {style(), volume()}.

-callback drink(beverage()) -> ok | {error, ebeeroverflow}. %% This should never happen

aerosol

# Copyright 2012 Erlware, LLC. All Rights Reserved.
#
# This file is provided to you under the Apache License,
# Version 2.0 (the "License"); you may not use this file
# except in compliance with the License.  You may obtain
# a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,

aerosol

{module, foo}.  %% version = 0

{exports, [{bar,1},{module_info,0},{module_info,1}]}.

{attributes, []}.

{labels, 7}.


{function, bar, 1, 2}.

aerosol

validate_rules() ->
    ?SYS_INFO("Validating common rules configuration..."),
    case compile:file(?PRIV("common_rules.erl"), [strong_validation, report, return, {i, ?PRIV("../include")}]) of
        {ok, _, _} ->
            ?SYS_DEBUG("File common_rules.erl validated successfully"),
            ok;
        {ok, _, _, Warnings} ->
            ok;
        {ok, _, _, Warnings} ->
            case Warnings of