inkdroid.org inkdroid.org

spotify vs rdio 2012

Back in August of 2011 I wrote a little utility that pulled down Alf Eaton’s Album of the Year data. AOTY is nice for two reasons: a) I like Alf’s taste in music, so the lists are relevant to me; and b) AOTY is a nice example of layering structured metadata into HTML, for easy processing (aka scraping). With the data in hand it was easy to to check to see if the albums were available on the streaming services Spotify and Rdio using...

Ed.
Ed. Ed.
1 min read
persistentinfo

A REPL for Chrome Apps APIs

A few months ago, as I was making yet another test app to demonstrate a Chrome packaged app API, I wished for a REPL. In theory the Chrome Dev Tools would fit the bill, since the console lets you run arbitrary JavaScript statements. However, using the dev tools would still involve making a manifest with the right permissions and loading an unpacked app, and at least a background page if not an actual window to inspect. Once you...

blogs.apache.org blogs.apache.org

The Apache Software Foundation Announces Apache Cassandra™ v1.2

High-performance, super-robust Big Data distributed database introduces support for dense clusters, simplifies application modeling, and improves data cell storage, design, and representation. Forest Hill, MD –2 January 2013– The Apache Software Foundation (ASF), the all-volunteer developers, stewards, and incubators of nearly 150 Open Source projects and initiatives, today announced Apache Cassandra v1.2, the latest version of the...

epchan

The Pseudo-science of Hypothesis Testing

Backtesting trading strategies necessarily involves a very limited amount of historical data. For example, I seldom test strategies with data older than 2007. Gathering longer history may not improve predictive accuracy since the market structure may have changed substantially. Given such scant data, it is reasonable to question whether the good backtest results (e.g. a high annualized return R) we may have obtained is just due to...

susannemadsen.co.uk susannemadsen.co.uk

Rise Above the Most Common Project Management Mistakes

A new year is upon us, so let’s take the opportunity to review some of the most common mistakes project managers make and decide to rise above them in 2013.1. Underestimating your projectWhen you estimate a project or feature, it is very tempting to look at the sunny-case scenario and only provide best case estimates – especially if you work with a new team who is eager to please. It is also a common mistake to miss out...