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@jnunemaker
jnunemaker / fu.md
Created July 12, 2011 23:20
FUN BUG?!

Posted to the REE Google Group as well: https://groups.google.com/forum/#!topic/emm-ruby/EBkMfFpk40A

A week back I innocently updated Sinatra on an app which in turn updated Rack. Since then, I've had crazy hung passenger processes that just gobble up CPU like it is going out of style.

After spending a few days trying everything I knew to to fix it, today I got help from a friend (Eric Lindvall) and dug in with strace, rbtrace, gdb, and gdb.rb and found the issue. Rack 1.3.0 tests a regex against a URL and it causes things to hang.

@thurloat
thurloat / formview.coffee
Created January 18, 2012 02:59
Backbone Form -> Model sync View
# FormView Class
#
# Backbone View subclass that will allow you to bind input fields
# to model fields and keep the data in sync using the same
# declarative syntax you're used to for Backbone Views.
#
# blog post: http://thurloat.com/2012/01/17/backbone-sync-models-and-views
#
# class TestView extends FormView
#
@thurloat
thurloat / ModularView.coffee
Created January 22, 2012 02:17
Modular Coffeescript Views using Observer
# All of your views should inherit from the BaseView. As a result you get the
# globalEvents functionality for free. The globalEvents hash is similar to that
# of the built-in Backbone events hash. It automatically binds event names to
# instance methods.
#
# class TestView extends ModularView
#
# globalEvents:
# "PhoneRang": "answerPhone"
#
@dhh
dhh / gist:1975644
Created March 5, 2012 00:32
class PostsController < ActionController::Base
def create
Post.create(post_params)
end
def update
Post.find(params[:id]).update_attributes!(post_params)
end
private
@ordinaryzelig
ordinaryzelig / minitest_spec_expectations.md
Last active December 10, 2022 13:34
How to write MiniTest::Spec expectations

I'm a fan of MiniTest::Spec. It strikes a nice balance between the simplicity of TestUnit and the readable syntax of RSpec. When I first switched from RSpec to MiniTest::Spec, one thing I was worried I would miss was the ability to add matchers. (A note in terminology: "matchers" in MiniTest::Spec refer to something completely different than "matchers" in RSpec. I won't get into it, but from now on, let's use the proper term: "expectations").

Understanding MiniTest::Expectations

Let's take a look in the code (I'm specifically referring to the gem, not the standard library that's built into Ruby 1.9):

# minitest/spec.rb

module MiniTest::Expectations
@rodneyrehm
rodneyrehm / demo-list.html
Created May 28, 2012 11:08
jQuery Snippets - jQuery.sortChildren()
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<meta http-equiv="content-type" content="text/html; charset=utf-8" />
<title>sorting lists</title>
<script src="jquery-1.7.2.min.js"></script>
<script src="jquery.sortChildren.js"></script>
<script>
@balupton
balupton / README.md
Last active March 8, 2024 18:31
Debugging & Profiling Node.js
@chaitanyagupta
chaitanyagupta / _reader-macros.md
Last active May 19, 2024 19:25
Reader Macros in Common Lisp

Reader Macros in Common Lisp

This post also appears on lisper.in.

Reader macros are perhaps not as famous as ordinary macros. While macros are a great way to create your own DSL, reader macros provide even greater flexibility by allowing you to create entirely new syntax on top of Lisp.

Paul Graham explains them very well in [On Lisp][] (Chapter 17, Read-Macros):

The three big moments in a Lisp expression's life are read-time, compile-time, and runtime. Functions are in control at runtime. Macros give us a chance to perform transformations on programs at compile-time. ...read-macros... do their work at read-time.

@staltz
staltz / introrx.md
Last active July 27, 2024 04:59
The introduction to Reactive Programming you've been missing
@polm
polm / gist:05db396cf08b9ec2a81c
Created December 23, 2014 08:03

Following is a translation of a post by Kenta Cho (@abagames) about what he learned making 50 minigames in 2014. The original post is here:

http://d.hatena.ne.jp/ABA/20141223#p1

This translation is by Paul McCann (@polm23); please feel free to contact me with any comments or corrections.

The Secret to Creating Fun Games I Learned By Making 50 Games in a Year

... is that there isn't one.