ocornut

Wonder Boy: The Dragon's Trap
-----------------------------

Quick Guide for programmers
Last updated October 2018
Contact: Omar Cornut <XXXXXX

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 INDEX
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lmumar

# Encoding: utf-8

#
# idle.rb
# 
# goal:
#   Ruby script to test how to fetch IMAP mails with IDLE mode.
#   IMAP IDLE allow a sort of "push" / "real-time" delivery.
#
#   I used the script to test LATENCY (end-to-end delivery times)

cassiozen

Pixelbook Setup

Change your channel

Some of the features mentioned in this document only work on the beta or Dev channel. To change your channel:

1. chrome://help in a browser window
2. Click Detailed Build Information
3. Change Channel
4. Select Beta (Or Dev, if you're feeling adventurous)

rxwei

See the official Differentiable Programming Manifesto instead.

sclinede

class Saga
  class << self
    def with_redis; raise NotImplementedError; end
    attr_accessor :cleanup_delay, :queue, :last_txid

    def queue
      Thread.current[:saga_queue] ||= []
    end

    def last_txid

andyyou

Rails 5.2 with webpacker, bootstrap, stimulus starter

This gist will collects all issues we solved with Rails 5.2 and Webpacker

Create Project

# Last few parameters(--skip-* part) is only my habbit not actully required
$ rails new <project_name> --webpack=stimulus --database=postgresql --skip-coffee --skip-test

teryror

Crafting a Compiler from Scratch: Implementation Notes

For the past two weeks or so, I've been working on a little compiler project in C, mostly for educational purposes, i.e. to understand how a compiler really works. I'm not using any libraries, other than the C runtime library.

Introduction

I have a hand-written lexer and parser, and a simple code generator targetting

mapio

theorygeek

# frozen_string_literal: true
class AssociationLoader < GraphQL::Batch::Loader
  attr_reader :klass, :association

  def initialize(klass, association)
    raise ArgumentError, "association to load must be a symbol (got #{association.inspect})" unless association.is_a?(Symbol)
    raise ArgumentError, "cannot load associations for class #{klass.name}" unless klass < ActiveRecord::Base
    raise TypeError, "association #{association} does not exist on #{klass.name}" unless klass.reflect_on_association(association)

    @klass = klass

nicowilliams

I recently happened upon a very interesting implementation of popen() (different API, same idea) called popen-noshell using clone(2), and so I opened an issue requesting use of vfork(2) or posix_spawn() for portability. It turns out that on Linux there's an important advantage to using clone(2). I think I should capture the things I wrote there in a better place. A gist, a blog, whatever.

This is not a paper. I assume reader familiarity with fork() in particular and Unix in general, though, of course, I link to relevant wiki pages, so if the unfamiliar reader is willing to go down the rabbit hole, they should be able to come ou