Author Archives: NC

Dealing with a c-state bug

Computers that run Linux (especially newer kernel versions) on Intel Bay Trail family processors are sometimes affected by a c-state bug. It manifests as a random and total freeze of the system. Screen content remains unchanged, but the machine becomes … Continue reading

Posted in Technology | Leave a comment

Managing Windows product keys

Windows includes a little-known utility named slmgr (which presumably stands for Software License ManaGeR) that allows the administrator to install and uninstall Windows product keys (may be useful when upgrading). Both installation and uninstallation have to be done from the … Continue reading

Posted in Technology | Leave a comment

Predictors of hard drive failure

From the ever so helpful people at Backblaze: For the last few years we’ve used the following five SMART stats as a means of helping determine if a drive is going to fail. Attribute Description SMART 5 Reallocated Sectors Count … Continue reading

Posted in Technology | Leave a comment

Literature: fantasy vs. realism

…judged by the standards of fantasy, modernist realist fiction, with its narrow focus on daily details of contemporary human affairs, is suffocating and unimaginative, almost unavoidably trivial, and ominously anthropocentric. (Ursula K. Le Guin, The Critics, the Monsters, and the Fantasists)

Posted in Clippings, Random | Leave a comment

Getting Yahoo! Finance data into Excel

Here’s a little VBA snippet that allows to retrieve Yahoo! Finance data into an Excel spreadsheet. Usage: =yfQuote(ticker, date, field), where ticker (required) is ticker symbol used by Yahoo! Finance. Examples: MSFT, ^GSPC, VXX. date (optional) is the date for which quotes … Continue reading

Posted in Finance and Investments, Technology | Leave a comment

Size doesn’t matter; age does

John Haltiwanger, Ron S. Jarmin, and Javier Miranda, “Who Creates Jobs? Small versus Large versus Young”, The Review of Economics and Statistics, May 2013, Vol. 95, No. 2, Pages 347-361. Abstract The view that small businesses create the most jobs remains appealing … Continue reading

Posted in Business, Clippings, Economics | Leave a comment

The top 15 cities for tech startups

From Infoworld: The National Venture Capital Association (NVCA) list measures overall venture capital investment in each respective market to compile its data.

Posted in Business, Clippings, Technology | Leave a comment

NoSQL Taxonomy

Examples in parentheses: Key-value store (Amazon DynamoDB) Column-family store (Cassandra) Document database (MongoDB) Graph database (Neo4j)

Posted in Technology | Leave a comment

Estimated Costs of Crop Production in Iowa

Dr. Michael Duffy of Iowa State University publishes them online.  Next time I attempt working out the economics of alternative fuels, I should start there…

Posted in Business, Economics | Leave a comment

Digital FX solo

German animator Kaleb Lechowski recently released a short, but very well made, computer-generated sci-fi film.  According to the author, the six-and-a-half-minute film took seven months to make, including two months spent on writing the script.  The entire film crew consisted of … Continue reading

Posted in Technology | Leave a comment