Viewing profile — tessro

Right. And you can also ratchet up the statistical power you want, at the cost of increased sample size requirements.

> you do have good reason to believe that the choice is harmless. The issue you will run into here is that 95% confidence means that you will only have a false positive 5% of the t…

Cool! I'm happy to provide guidance, and I'll take a pull request if you can get it working with some unit tests.

Yeah, that's a neat project. I was already thinking about building this before they launched, and their positive reception spurred me on. If you're already using Heroku Postgres th…

If you can run Rack apps in your environment, it would be pretty straightfoward to add a SQL Server driver to Oculus. Right now it supports MySQL and Postgres.

Thanks! (Sadly I think the demo cron job will delete that after an hour or so :))

It's designed to be used within a team environment, where you trust everyone. (Although even then, I highly recommend using it with a readonly SQL account!) I would be skeptical of…

Author here. I do a lot of analysis each day and am constantly sharing it with my team by taking screenshots of Sequel Pro. I built Oculus so I could keep a centrally available rep…

This is an interesting study, but I found the HN title to be misleading. Here are the bullets from the concluding paragraph: * The American public has long held generally positive …

This is a powerful approach when you can quantify your regret. For many startups, however, it's important to understand the tradeoffs involved in moving one metric upward or downwa…

Unfortunately, screen sharing no longer works in Skype 2.8 on Lion.

I love Giles. His first Archaeopteryx talk was one of the best Ruby-related talks of all time. He's way too harsh on Rails though. The original "blog in 15 minutes" demos that cata…

Also, you can't make a Ruby object falsy. So if you overload #nil? you get fun problems like: obj.nil? # => true !!obj # => true

Here's a video of a recent (July 2011) version of the talk. http://confreaks.net/videos/614-cascadiaruby2011-confident-c...

It does in fact share memoization. Easy shared state is a key strength of the single-threaded model. :) Re: Node.js, you're right. The core of the debate is whether the single-thre…

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