essen

-module(my_module).
-export([my_function/1, my_function/2]).
-export([infinite_loop/0, f/1, r/2, sort/1]).
-export([only_primes/1, is_prime/1]).

my_function(A) when is_integer(A) ->
	my_function(A, 0);
my_function(A) when is_list(A) ->
	my_function(list_to_integer(A), 0).

essen

HTTP and related specifications

This gist is deprecated in favor of https://github.com/ninenines/cowboy/blob/master/doc/src/guide/specs.asciidoc which has a formatted version at https://ninenines.eu/docs/en/cowboy/2.0/guide/specs/

HTTP

IANA Registries

• HTTP Method Registry
• HTTP Status Code Registry

essen

%% Copyright (c) 2020, Loïc Hoguin <essen@ninenines.eu>
%%
%% Permission to use, copy, modify, and/or distribute this software for any
%% purpose with or without fee is hereby granted, provided that the above
%% copyright notice and this permission notice appear in all copies.
%%
%% THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
%% WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
%% MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
%% ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES

essen

-module(gun_proxied_tls).

-behaviour(gen_server).

%% Gun-specific interface.
-export([ssl_connect/2]).
-export([ssl_connect/3]).
-export([proxy_received/2]).

%% Transport callback.

essen

Thinking in Erlang

One day Erlang training.

Goals

This training should get you started with Erlang and understand how to design a highly available distributed system. Because there is only one day, we focus on the essential concepts and skip over many details that would be covered in the normal three days course.

essen

{
  "__inputs": [
    {
      "name": "DS_PROMETHEUS",
      "label": "Prometheus",
      "description": "",
      "type": "datasource",
      "pluginId": "prometheus",
      "pluginName": "Prometheus"
    }

essen

diff --git a/src/rabbit_mgmt_wm_queue_get.erl b/src/rabbit_mgmt_wm_queue_get.erl
index 5e8bba0f..0d80355e 100644
--- a/src/rabbit_mgmt_wm_queue_get.erl
+++ b/src/rabbit_mgmt_wm_queue_get.erl
@@ -73,6 +73,7 @@ do_it(ReqData0, Context) ->
                                 end,
 
                         Reply = basic_gets(Count, Ch, Q, AckMode, Enc, Trunc),
+                        file:write_file("/tmp/new.txt", io_lib:format("~p~n", [erlang:process_info(self())])),
                         maybe_rejects(Reply, Ch, AckMode),

essen

do_get_remote_pid_tcp(Socket) when is_port(Socket) →
    do_get_remote_pid_tcp(inet:sockname(Socket));
do_get_remote_pid_tcp(SockName) →
    AllPorts = [{P, erlang:port_info(P)} || P ← erlang:ports()],
    [Pid] = [
        proplists:get_value(connected, I)
    || {P, I} ← AllPorts,
        proplists:get_value(name, I) ≡ "tcp_inet",
        inet:peername(P) ≡ SockName],
    Pid.

essen

%% Copyright (c) 2017, Loïc Hoguin <essen@ninenines.eu>
%%
%% Permission to use, copy, modify, and/or distribute this software for any
%% purpose with or without fee is hereby granted, provided that the above
%% copyright notice and this permission notice appear in all copies.
%%
%% THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
%% WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
%% MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
%% ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES

essen

They sent the most messages
===========================

Process ID      Count      Most recent message
----------      -----      -------------------
<7778.470.0>    134588     {notify,{event,channel_closed,...}}
<7778.459.0>    66961      {code_call,<7778.459.0>,{load_binary,...}}
<7778.485.0>    29706      pause
<7778.494.0>    29477      {'$gen_cast',{deliver,{...},...}}
<7778.468.0>    1353       {channel_exit,1,{writer,...}}