WebSockets are one of the most underappreciated innovations in HTML5. Unlike local storage, canvas, web workers, or even video playback, the benefits of the WebSocket API are not immediately apparent to the end user.
Server push is the most efficient and low latency way to exchange data. If both the publisher and the receiver are publicly visible then a protocol such as PubSubHubbub or a simpler Webhook will do the job. However, if the receiver is hidden behind a firewall, a NAT, or is a web-browser which is designed to generated outbound requests, not handle incoming traffic, then the implementation gets harder.
Welcome to the latest in the series of random Ruby related links I've picked up over the past few weeks. It's a crazy grab-bag of links this time around! Whatever your job, interest, or fetish, there's bound to be something in here that tickles your fancy if you're a Rubyist. Enjoy!
Recently I helped a friend debug a problem when deploying with Webistrano/Capistrano.
He was using a git repository and used SSH keys for authentication. Every time he tried to deploy he got this error:
executing locally: "git ls-remote ssh://repo.example.com/git/myproject.git HEAD"
*** Could not save revision: Unable to resolve revision for 'HEAD' on repository 'ssh://repo.example.com/git/myproject.git'.
Polling architectures, as pervasive as they are today, did not come about due to their efficiency. Whether you are maintaining a popular endpoint (Twitter), or trying to get near real-time news (RSS), neither side benefits from this architecture.
Recently I’ve had a couple of clients choose Amazon EC2 for their deployment environments, so I’ve been spending more time playing with EC2 lately than I ever had before. I set out to create a repeatable and time-efficient deployment process, and the result of my work is an easy to use ruby script, detailed below.
This past week since our initial offering of our Firewall Install product has been an exciting one. We received over 300 quote requests on launch day, with more filling our inbox since. We really weren’t prepared for the level of response we received and fell way behind trying to provide quotes for everyone.
WebSockets are one of the most underappreciated innovations in HTML5. Unlike local storage, canvas, web workers, or even video playback, the benefits of the 
Server push is the most efficient and low latency way to exchange data. If both the publisher and the receiver are publicly visible then a protocol such as 
Welcome to the latest in the series of random Ruby related links I've picked up over the past few weeks. It's a crazy grab-bag of links this time around! Whatever your job, interest, or fetish, there's bound to be something in here that tickles your fancy if you're a Rubyist. Enjoy!
Polling architectures, as pervasive as they are today, did not come about due to their efficiency. Whether you are maintaining a popular endpoint (Twitter), or trying to get near real-time news (RSS), neither side benefits from this architecture.
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