What's Wrong with "HTML5"

In the past year or so, the term "HTML5" has increasingly been picked up by the tech press as the successor to "DHTML", "Web 2.0" or "Ajax". When used by the tech press, it is becoming a generic term for "…

Bundler: As Simple as What You Did Before

One thing we hear a lot by people who start to use bundler is that the workflow is more complicated than it used to be when they first start. Here's one (anonymized) example: "Trying out Bundler to package my gems. Still of the opinion its over-complicating a relatively simple…

Here's to the Next 3 Years

I officially joined Engine Yard on January 1, 2008, about a week before we announced our Series A funding, becoming its twenty-second employee. I was Engine Yard's very first "Engineering" hire, and I would spend the next year working on Ezra's Merb project, finally releasing Merb 1.0…

Announcing Handlebars.js

For a number of years, I've been about as active in client-side development (through jQuery) as I have been active in server-side development (through Merb and then Rails). Recently, I've released a couple of libraries (jQuery Offline and Rack::Offline), designed to make it easier to build applications that can…

Automatic Flushing: The Rails 3.1 Plan

preamble: this post explains, in some detail, how we will implement a nice performance boost for Rails developers. Understanding the details might help gain the full benefits of the optimization, but you will gain some benefits even if you have no idea how it works. As you've probably seen, DHH…

A Tale of Abort Traps (or Always Question Your Assumptions)

For a few months now, the bundler team has been getting intermittent reports of segfaults in C extensions that happen when using bundler with rvm. A cursory investigation revealed that the issue was that the C extensions were compiled for the wrong version of Ruby. For instance, we would get…

Using >= Considered Harmful (or, What's Wrong With >=)

TL;DR Use ~> instead. Having spent far, far too much time with Rubygems dependencies, and the problems that arise with unusual combinations, I am ready to come right out and say it: you basically never, ever want to use a >= dependency in your gems. When you specify a…

Threads (in Ruby): Enough Already

For a while now, the Ruby community has become enamored in the latest new hotness, evented programming and Node.js. It's gone so far that I've heard a number of prominent Rubyists saying that JavaScript and Node.js are the only sane way to handle a number of concurrent users.…

Everyone Who Tried to Convince Me to use Vim was Wrong

A couple weeks ago, I took the plunge and switched to vim (MacVIM, to be precise). It wasn't the first time I tried to make the switch, and I had pretty much written it off entirely. Why? Because the past few times I tried switching to vim, I took the…

What's New in Bundler 1.0.0.rc.1

Taking into consideration the huge amount of feedback we received during the Bundler 0.9 series, we streamlined Bundler 1.0 significantly, and made it fit user expectations better. Whether you have used bundler before or not, the easiest way to get up to speed is to read the following…