Archive for April, 2010

A Better App Rating System

As developers, we try our best to create the best products we can.  We really do.  Yes, I know that some features get pushed to the back burner when releases are behind schedule or some bugs get kludged and we hedge our bets on whether the user will hit them or not.  However, for the [...]

Backing up to Amazon S3 with Ruby s3fs

I recently came across a problem of needing to create incremental backups to a remote site for my server in the case of a failure. Since my VPS provider didn’t provide this as a service (paid or free), I had to come up with a different solution. This solution assumes that you are using Ubuntu [...]

Content Recommendation Systems for a Mobile Platform

Abstract—Recommendation systems take artifacts about items and provide suggestions to the user on what other products the might like. There are many different types of recommender algorithms, including nearest-neighbor, linear classifiers and SVMs. However, most recommender systems are collaborative systems that rely on users to rate the products that they bought. This paper presents a [...]

Solving the Multitasking Problem in iPhone OS

iPhone OS is one of the most advanced OS available today – and it s a mobile OS. Using the OS, it is clear to see why mobile computing is the future. When compared to other OSs, the iPhone OS holds it’s own. Broadly, looking at most modern desktop OSs, it has support for nearly [...]