daniello

There are a lot of people who are living with emacs around the world. 
Sometimes, it is very fun to see how they use emacs and even very helpful to learn from it.
Screencasts show how people actually work with emacs.
You can pick up valuable usage patterns, just by looking over someones shoulder.

== What is screencast ? ==

Screencast is a kind of "video screen capture" with/without voiceover. 

== Tips in creating emacs screencast ==

daniello

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daniello

require 'rexml/document'
require 'net/https'
require 'rexchange/dav_search_request'
require 'rexchange/message'
require 'rexchange/contact'
require 'rexchange/appointment'
require 'rexchange/note'
require 'rexchange/task'
require 'uri'

daniello

bs_by_a_id(A_id) ->
  find(qlc:q([ B || B=#b{f_id=F_id} <- mnesia:table(b), F_id == A_id])).

as_with_bs() ->
  find(
    qlc:q([ {A,bs_by_a_id(A#a.id)} || A <- mnesia:table(a)])
  ).

top_as_with_some_bs(Limit) ->
  top(

daniello

%% @author author <daniel.kwiecinski@lambder.com>
%% @copyright Daniel Kwiecinski.
%% @doc Static webmachine resource.

-module(static_resource).
-export([init/1, allowed_methods/2,
         content_types_provided/2, resource_exists/2, last_modified/2, provide_content/2]).

-include_lib("webmachine/include/webmachine.hrl").
-include_lib("kernel/include/file.hrl").

daniello

class BasicGraph

  include_package 'clojure.lang'

  attr_reader :nodes, :edges

  def self.empty
    BasicGraph.new(PersistentHashMap::EMPTY, PersistentHashMap::EMPTY)
  end

daniello

module Java::ClojureLang::IPersistentMap
  def keys
    keySet()
  end
  def has_key?(key)
    containsKey(key)
  end
  def include?(key)
    containsKey(key)
  end

daniello

# that's SpiderMonkey
sudo apt-get install libmozjs-dev
sudo apt-get install libcurl4-openssl-dev

wget ftp://mirror.public-internet.co.uk/pub/apache/couchdb/0.9.0/apache-couchdb-0.9.0.tar.gz
tar -xzvf apache-couchdb-0.9.0.tar.gz 
cd apache-couchdb-0.9.0/

./configure
make

daniello

-module(google_scrapper).

-compile(export_all).

-define(GOOGLE_URL, "http://www.google.co.uk/search?hl=en&btnG=Search&meta=&q=").

start() -> inets:start().

fetch_google_results(Q) ->
  % In case of redirect lets erlang take care of this for us

daniello

% copied from Mochiweb's mochiweb_uitl.erl
-module(url_encoder).
-export([encode/1]).

-define(PERCENT, 37).  % $\%
-define(FULLSTOP, 46). % $\.
-define(IS_HEX(C), ((C >= $0 andalso C =< $9) orelse
                    (C >= $a andalso C =< $f) orelse
                    (C >= $A andalso C =< $F))).
-define(QS_SAFE(C), ((C >= $a andalso C =< $z) orelse