toch

def trace_calls_on
  scope = {}
  trace = TracePoint.new(:call, :line) do |tp|
    case tp.event
    when :call then puts "#{tp.path}:#{tp.lineno} #{tp.defined_class}::#{tp.method_id} " \
                         "called from #{scope[:path]}:#{scope[:lineno]} #{scope[:class]}::#{scope[:method_id]}"
    when :line then scope = {
                      event: :line,
                      lineno: tp.lineno,
                      path: tp.path,

henrik

defmodule Chain do
  defmacro chain(ex) do
    parse(ex)
  end

  defp parse({:., _, [first_arg, function_name]}, more_args) do
    args = [first_arg|more_args] |> Enum.map(&parse/1)
    apply(String, function_name, args)
  end

blt

-module(hello).

-export([hello/1]).

hello(robert) ->
    io:format("Hello, Mike.");
hello(joe) ->
    io:format("Hello, Robert.");
hello(mike) ->
    io:format("Hello, Joe.").

djo

#!/usr/bin/env bash
set -x

term_handler() {
  echo "Stopping the server process with PID $PID"
  erl -noshell -name "[email protected]" -eval "rpc:call('[email protected]', init, stop, [])" -s init stop
  echo "Stopped"
}

trap 'term_handler' TERM INT

oneohthree

echo "$STRING" | iconv -t ascii//TRANSLIT | sed -r s/[^a-zA-Z0-9]+/-/g | sed -r s/^-+\|-+$//g | tr A-Z a-z

yob

#!/bin/env ruby

# Logs the number of queued and active connections on the unicorn socket to statsd.
# There's a cap on the number of queued connections. If we hit it then nginx will
# start serving 504 pages
#
# There is no visible output, but data is sent to statsd each second
#
# Props to Tim Lucas for the basic structure:
#

kuro5hin

I think you mean team...
I think you mean squad..
I think you mean gang...
I think you mean pals...
I think you mean buds...
I think you mean posse...
I think you mean phalanx...
I think you mean crew...
I think you mean crüe...
I think you mean nerds...

protrolium

ffmpeg

Converting Audio into Different Formats / Sample Rates

Minimal example: transcode from MP3 to WMA:
ffmpeg -i input.mp3 output.wma

You can get the list of supported formats with:
ffmpeg -formats

You can get the list of installed codecs with:

edsu

curl --silent 'https://www.wikidata.org/w/api.php?action=wbsearchentities&search=ch&format=json&language=en&type=item&continue=0' | python -m json.tool
{
    "search": [
        {
            "aliases": [
                "encyclopaedia",
                "encyclop\u00e6dia"
            ],
            "description": "type of reference work",
            "id": "Q5292",

stevedomin

defmodule MyBlog.Repo.Migrations.CreatePost do
  use Ecto.Migration

  def change do
    create table(:posts, primary_key: false) do
      add :id, :uuid, primary_key: true
      add :body, :string
      add :word_count, :integer

      timestamps