rdpoor

// Efficiently maintain source => target associations.
// R. Dunbar Poor - March 2020

var Association = function() {
  this._links_by_source = new Map();
  this._links_by_target = new Map();
}

/**
 * @brief Clear all associations

rdpoor

Demonstration of "p5.serialserver leaking memory"

This gist contains the files to demonstrate the problem described in p5.serialserver leaking memory.

Description

Run the Arduino code

To run this, you'll need an "Arduino-like device" with a USB port capable of generating

rdpoor

license: gpl-3.0

rdpoor

// Walk a tree using Promises, where the act of fetching a node is asynchronous.
//
// This version visits the nodes in the expected order and returns a promise that
// is resolved when the last node is visited.  (If you're here from the StackOverflow
// post, the original error was a missing return statement in the call to map())

"use strict";

var family_tree = {
    "pops" : { name: "pops", children: ["chuck", "george", "pete"]},

rdpoor

Summary: a "standard build" of ruby-2.0.0-p0 under Mac OS X 10.8.3, 
         fails with an abort trap while linking miniruby

Compilation environment:
  MacBook Pro
  OS X 10.8.3
  Xcode version 4.6.1 with command line tools
  gcc version 4.2.1 (Based on Apple Inc. build 5658)

Commands:

rdpoor

FactoryGirl.define do

  # generate a sequence of fake US street addresses, such as:
  #   1001 Birch Boulevard, Clinton AK 52574, USA
  sequence :address do |n|
    # NB: the length of street_name, street_type, city, state arrays
    # are all chosen to be relatively prime to generate maximal
    # length sequences
    street_number = 1000 + n
    street_name = %w(Aspen Birch Cedar Dogwood Elm Ginkgo Hickory Ironwood 

rdpoor

FactoryGirl.define do

  # Generate a fake name by composing a first and last name.  Names
  # taken from recent US Census lists.
  sequence :name do |n| 

    first_names = %w( Aaron Abby Abdul Abe Abel Abigail Abraham Abram
      Ada Adalberto Adam Adan Addie Adela Adele Adeline Adolfo Adolph
      Adrian Adriana Adrienne Agnes Agustin Ahmad Ahmed Aida Aileen
      Aimee Aisha Al Alan Alana Alba Albert Alberta Alberto Alden Aldo

rdpoor

<?xml version="1.0" encoding="utf-8"?>
<?xml-stylesheet type='text/xsl' href='SDGE_Greenbutton_Style.xslt'?>
<feed xmlns="http://www.w3.org/2005/Atom" xsi:schemaLocation="http://naesb.org/espi espi.xsd" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <id>urn:uuid:31824390-5ab8-4a6e-89ad-bd0e55ca3e96</id>
  <title>Green Button Export</title>
  <updated>2013-01-09T13:51:51-08:00</updated>
  <entry>
    <id>urn:uuid:0dd33c0467d2d8bddbb78dc771d537d8</id>
    <title>123 MAIN STREET, ANYTOWN, USA</title>

rdpoor

load '../sketches/datetime_bug.rb'
-- create_table(:test_records, {:force=>true})
NOTICE:  CREATE TABLE will create implicit sequence "test_records_id_seq" for serial column "test_records.id"
NOTICE:  CREATE TABLE / PRIMARY KEY will create implicit index "test_records_pkey" for table "test_records"
   (237.7ms)  CREATE TABLE "test_records" ("id" serial primary key, "f_datetime" timestamp) 
   -> 0.3416s
   (0.3ms)  BEGIN
  SQL (39.4ms)  INSERT INTO "test_records" ("f_datetime") VALUES ($1) RETURNING "id"  [["f_datetime", Wed, 14 Sep 0763 00:00:00 UTC +00:00]]
   (0.8ms)  COMMIT
  DateTimeBug::TestRecord Load (0.5ms)  SELECT "test_records".* FROM "test_records" LIMIT 1