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Ruby Under a Microscope - Pat Shaughnessy
Everyone knows that Ruby is a powerful language. Its dynamic nature allows you to concisely write the code you need to actually solve a problem instead of burying yourself under mountains of boilerplate. You don't have to fight it; you just get to enjoy the ride. But how is the magic created? And can you trust it? After all, MRI is written in C - a statically typed, compiled language which is pret
$ cheat mocha
Mocking a class method product = Product.new Product.expects(:find).with(1).returns(product) assert_equal product, Product.find(1) Mocking an instance method on a real object product = Product.new product.expects(:save).returns(true) assert product.save Stubbing instance methods on real object prices = [stub(:pence => 1000), stub(:pence => 2000)] product = Product.new product.stubs(:prices).return
RailsConf 2012 Evented Ruby vs Node.js by Jerry Cheung
While Node.js is the hot new kid on the block, evented libraries like EventMachine for Ruby and Twisted for Python have existed for a long time. When does it make sense to use one over the other? What are the advantages and disadvantages to using node over ruby? In this talk, you will learn how to get the same power of concurrency enjoyed by Node.js while continuing to write in the language you kn
Prepare Your App for Rails 4 and Ruby 1.9 | Engine Yard Blog
Well, it had to happen some day. Pour one out for our dearly beloved Ruby 1.8.7. And if you’re still using 1.8.7 for your Rails app, pour yourself a cup of coffee—Rails 4.0 will run strictly on Ruby 1.9. The Rails master branch was moved to 4.0 two months ago, almost 6 years to the date of the announcement of Rails 1.0, and the primary cited reason for doing so is to get everyone using Rails on Ru
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Lessons Learned Upgrading Harvest to Ruby 1.9.3
We’re thrilled to announce that all of our apps have been upgraded from REE to Ruby 1.9.3. We wanted to share some notes about what went well, what went wrong, and what we learned in the process. The Payoff The vertical red line marks our update to Ruby 1.9.3, and as you can see, the results were impressive (lower is better). Our average response time dropped from around 150ms per request to aroun
Rubyソースコード完全解説 / 青木峰郎
$Id: index.html,v 1.6 2004/07/20 23:08:12 aamine Exp $ この文書は書籍『Rubyソースコード完全解説』のHTML版です。 ただし初校段階の原稿をベースにしているため、 書籍では修正されている間違いが残っている場合があります。 予め御了承ください。 2004-02-16 に全章を公開しました。 目次 まえがき 序章 第 1 部「オブジェクト」 第 1 章「Ruby言語ミニマム」 第 2 章「オブジェクト」 第 3 章「名前と名前表」 第 4 章「クラス」 第 5 章「ガーベージコレクション」 第 6 章「変数と定数」 第 7 章「セキュリティ」 第 2 部「構文解析」 第 8 章「Ruby言語の詳細」 第 9 章「速習yacc」 第 10 章「パーサ」 第 11 章「状態付きスキャナ」 第 12 章「構文木の構築」 第 3 部「評価」 第
Robert Sosinski » Understanding Ruby Blocks, Procs and Lambdas
Blocks, Procs and lambdas (referred to as closures in Computer Science) are one of the most powerful aspects of Ruby, and also one of the most misunderstood. This is probably because Ruby handles closures in a rather unique way. Making things more complicated is that Ruby has four different ways of using closures, each of which is a tad bit different, and sometimes nonsensical. There are quite a f
The State of Ruby ORM
UPDATE: DataMapper 2 was renamed to Ruby Object Mapper (ROM). For more info check out rom-rb.org We have a lot of different Object-Relational Mapper implementations in Ruby (and a ton and a half of Mongo mappers ;)) and it’s probably a good thing. It seems like the only ORM that really matters right now is ActiveRecord although in “the background” we still have DataMapper and Sequel with growing c
Home § Thinking Sphinx
Using Rails 3? Thinking Sphinx 2 (currently a prerelease) supports Rails 3 only – here’s the lowdown on how to get it set up. What? A concise and easy-to-use Ruby library that connects ActiveRecord to the Sphinx search daemon, managing configuration and searching. Why? Sphinx is a very fast search engine that indexes data and provides flexible ways of searching it. Thinking Sphinx allows you to li
Garbage Collection Slides from LA Ruby Conference at time to bleed by Joe Damato
Hi there. First off, the slides are really great, even without the audio! So thanks a lot for making them available! I do think I might've found a little typo in slide 26: the last bullet says "obj->free.next" but it should be "obj->as.free.next" because you need to access the "free" field of the union called "as" (like the code in slide 15).
The Great Ruby Shootout (July 2010) | Programming Zen
The Great Ruby Shootout measures the performance of several Ruby implementations by testing them against a series of synthetic benchmarks. Recently I ran Mac and Windows shootouts as well, which tested a handful of implementations. However this article reports on the results of extensive benchmark testing of eight different Ruby implementations on Linux. The setup For this shootout I included a su
Setting up a new machine for Ruby development
It used to be a jarring experience to setup a new machine for development, but progress has paved the dirt road into a silky smooth autobahn. These are the tools we use today: Homebrew: Remember how painful it used to be to get imagemagick installed? Now it takes about a minute. “brew install imagemagick”. Same story for git and other Linux dependencies. rbenv/ruby-build: We have some apps running
Ruby Foursquare Gem by Jeremy Welch
A simple Ruby wrapper for the Foursquare API.install gem install foursquare example # foursquare's site uses email as the user name fq = Foursquare.new('username_or_phone','password') fq.test fq.venues(geolat, geolong, {:limit=>10,:q=>'pizza'}) fq.tips(geolat,geolong,{:limit=>10}) fq.checkins({:geolat=>'',:geolong=>''}) fq.checkin(vid,venue,shout,{:private=>0,:twitter=>0,:facebook=>1,:geolat=>'12.
Redis - The Real-time Data Platform
# Create a new session and store it as a JSON document > JSON.SET session:12345 . ‘{“user_id”: 1001, “login_time”: “2024-02-27T10:00:00Z”, “data”: {“last_page_visited”: “/home”, “preferences”: {“theme”: “dark”}}}’ “OK” # Fetch the entire session > JSON.GET session:12345 “{\”user_id\”:1001,\”login_time\”:\”2024-02-27T10:00:00Z\”,\”data\”:{\”last_page_visited\”:\”/home\”,\”preferences\”:{\”theme\”:\
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