dergraf

%% pretty print timestamp from lager/src/lager_utils.erl

localtime_ms() ->
    {_, _, Micro} = Now = os:timestamp(),
    {Date, {Hours, Minutes, Seconds}} = calendar:now_to_local_time(Now),
    {Date, {Hours, Minutes, Seconds, Micro div 1000 rem 1000}}.

format_time() ->
    format_time(localtime_ms()).

dergraf

var connection = new tambur.Connection(MY_API_KEY, MY_APP_ID);
connection.ready = function() {
    var stream = connection.get_stream("mystream");
    stream.onmessage = function(msg) {
       /* do something fancy with the msg */
    };
};

dergraf

Tambur = tambur_client:new(MY_API_KEY, MY_APP_ID, SECRET).
Tambur:publish("test_stream", "some message").

dergraf

-module(dbis_sample).
-export([i_am_a_function/1, pattern/1]).

%% this is a comment
i_am_a_function(Param) ->
    Number = 10, 
    Atom = atom,
    String = "string",
    EmptyList = [], 
    List = [Param, Number, Atom, String, EmptyList],

dergraf

-module(continuation_test).
-export([test/0]).

-define(SIZE, 100).
test() ->
    ets:new(test, [named_table]),
    [ets:insert(test, {I, I}) || I<- lists:seq(1,?SIZE)],
    {Res, Cont} = ets:match_object(test, {'_', '_'}, 10),
    L = [p(R) || R <- Res],
    c(Cont, L).

dergraf

-module(kdtree).
-export([new/1, search/2, distance/2, test/0, test/3]).

new([]) -> [];
new(PointList) ->
    K = size(lists:nth(1, PointList)),
    kdtree(K, PointList, 0).

kdtree(_, [], _) -> [];
kdtree(K, PointList, Depth) ->

dergraf

-module(hilbert).
-export([curve/1, curve/7, point_to_hilbert/3]).

-define(HILBERTMAP, [
        {a, [{{0,0},{0,d}}, {{0,1},{1,a}}, {{1,0},{3,b}}, {{1,1},{2,a}}]},
        {b, [{{0,0},{2,b}}, {{0,1},{1,b}}, {{1,0},{3,a}}, {{1,1},{0,c}}]},
        {c, [{{0,0},{2,c}}, {{0,1},{3,d}}, {{1,0},{1,c}}, {{1,1},{0,b}}]},
        {d, [{{0,0},{0,a}}, {{0,1},{3,c}}, {{1,0},{1,d}}, {{1,1},{2,d}}]}
        ]).

dergraf

make_request(Fun, Args) when is_function(Fun), is_list(Args) ->
    Ref = make_ref(),
    Caller = {self(), Ref},
    ReqF = fun() ->
                   exit({Ref, apply(Fun, [Caller|Args])})
           end,
    try spawn_monitor(ReqF) of
        {_, MRef} ->
            receive
                Ref ->

dergraf

{
  "id": 1,
  "title": "VerneMQ",
  "originalTitle": "VerneMQ",
  "tags": [],
  "style": "dark",
  "timezone": "browser",
  "editable": true,
  "hideControls": false,
  "sharedCrosshair": false,

dergraf

-module(convert_retain_plugin).
-behaviour(auth_on_publish_hook).
-export([auth_on_publish/6]).
auth_on_publish(_UserName, _SubscriberId, _QoS, _Topic, _Payload, _IsRetain) ->
    {ok, [{retain, false}]}.