marcotc

require 'faraday'
require 'json'

def fetch_data(search_query)
  response = [:just_started_sentinel]

  list = []
  page = 1
  until response.empty? do
    sleep 0.11 # 10 request/sec is the remote rate limit

marcotc

module Datadog
  module Profiling
    # Starts the profiler, if the profiler is supported by in
    # this runtime environment and if the profiler has been enabled
    # in configuration.
    #
    # @return [Boolean] `true` if the profiler has successfully started, otherwise `false`.
    # @public_api
    def self.start
      return false unless Datadog.send(:components).profiler

marcotc

module Wrapper
  InstanceMethods = Module.new

  def self.for(klass, accessor_name: nil)
    InstanceMethods.module_eval do
      define_method :initialize do |object|
        raise TypeError, "not a #{klass}" unless object.is_a?(klass)
        @object = object
      end

marcotc

# Code mostly adapted from original by Jesus: https://www.ruby-forum.com/t/extract-numbers-from-string/115434/5

require 'benchmark'

n = 100_000
header = 't=1570633834.463123'

Benchmark.bmbm do |x|
  x.report('scan') do
    n.times {header.scan(/\d/).join}

marcotc

# This code is licensed from CircleCI to the user under the MIT license. See
# https://circleci.com/orbs/registry/licensing for details.
commands:
  hello-triggerer:
    parameters:
      to:
        default: ${CIRCLE_USERNAME}
        type: string
    steps:
    - run: echo "Hello << parameters.to >>"

marcotc

linking miniruby
generating encdb.h
./miniruby: [BUG] Segmentation fault at 0x0000000000060ee0
ruby 2.5.3p105 (2018-10-18 revision 65156) [x86_64-linux-musl]

-- Control frame information -----------------------------------------------
c:0001 p:0000 s:0003 E:000e10 (none) [FINISH]


-- Machine register context ------------------------------------------------

marcotc

::ActiveSupport::Notifications.subscribe('sql.active_record') do |_, _, _, _, payload|
  puts "  == Query : #{payload[:sql]}"
  puts "  == Caller: #{caller.reject{|x|x.include?('/gems/')||x.include?('/lib/ruby/')}.join("\n")}"
  puts
end

marcotc

Rails.application.routes.recognize_path('/api/path/to')

marcotc

ActiveRecord::Base.connection.exec_query("SELECT t.tablename, indexname, c.reltuples AS num_rows, pg_size_pretty(pg_relation_size(quote_ident(t.tablename)::text)) AS table_size, pg_size_pretty(pg_relation_size(quote_ident(indexrelname)::text)) AS index_size, CASE WHEN indisunique THEN 'Y' ELSE 'N' END AS UNIQUE, idx_scan AS number_of_scans, idx_tup_read AS tuples_read, idx_tup_fetch AS tuples_fetched FROM pg_tables t LEFT OUTER JOIN pg_class c ON t.tablename=c.relname LEFT OUTER JOIN ( SELECT c.relname AS ctablename, ipg.relname AS indexname, x.indnatts AS number_of_columns, idx_scan, idx_tup_read, idx_tup_fetch, indexrelname, indisunique FROM pg_index x  JOIN pg_class c ON c.oid = x.indrelid  JOIN pg_class ipg ON ipg.oid = x.indexrelid  JOIN pg_stat_all_indexes psai ON x.indexrelid = psai.indexrelid ) AS foo ON t.tablename = foo.ctablename WHERE t.schemaname='public' ORDER BY 1,2;")

marcotc

ActiveRecord::Base.connection.exec_query("SELECT pid, age(query_start, clock_timestamp()), state, query FROM pg_stat_activity WHERE query != '<IDLE>' AND query NOT ILIKE '%pg_stat_activity%' and state = 'active' ORDER BY age(query_start, clock_timestamp())")


#ActiveRecord::Base.connection.exec_query("select pg_cancel_backend(123456)") # Kill by PID