Tuesday, January 01, 2013

How the Kindle Paperwhite Works

How the Kindle Paperwhite Works - Graphic - NYTimes.com

Rather than using a backlight as on LCD-based tablets, the Paperwhite uses a transparent light guide that directs light from four edge-mounted LEDs down toward the surface of the display.

Programming Languages 2012 Community Index

TIOBE Software: Tiobe Index

"Objective-C on its way to become "language of the year" again
... year 2012. Objective-C continues to rise. Other mobile phone application languages such as C, C++ and Java are rising too but not fast enough to compete seriously with Objective-C. In fact it seems that if you are not in the mobile phone market you are losing ground."

So it appears that Objective-C is twice more popular than C#...
Who is using C that much now? Maybe those who do need big help from search?
Results are is in part result of method of measuring, based on search engines statistics...

The ratings are calculated by counting hits of the most popular search engines. The search query that is used is +"[language] programming"

Windows 8 "File History" Backup (aka Time Machine for Windows)

How to Use Windows 8's New File History Backup (aka Time Machine for Windows)

"Windows 8 comes with a brand-new backup feature called File History, that works similar to Apple's Time Machine: It automatically backs up files in the background and lets you restore them from a simple, time-based interface."

It is not as "fancy looking" as Mac's "Time Machine", but it does similar job.

More examples on Hanselman.com


wiki.dbpedia.org : About
"DBpedia is a crowd-sourced community effort to extract structured information from Wikipedia and to make this information available on the Web. DBpedia allows you to make sophisticated queries against Wikipedia, and to link other data sets on the Web to Wikipedia data."

@ Wikipedia

Data Access Speed: HDD vs RAM

In this interview it was mentioned that
sequential reading from HDD could be faster than random access to memory.

YOW! 2012: Marko Rodriguez - Graph Systems and Databases | Going Deep | Channel 9:
Gremlin graph traversal language

Exploring Wikipedia Graph

The claim about data access speed is interesting, may be worth checking.
Forum discussionArticle at ACM Queue

"Write-Only" data systems have advantage of sequential access to data.
One of such system, Datomic, keeps creating index blocks for fast access,
but original data are write-only.
In similar way, Google's Big Table keeps creating indexes for fast access to subsets of data...

2013 Tesla Model S - CAR and DRIVER - YouTube

Excellent video review
2013 Tesla Model S - Driven - CAR and DRIVER - YouTube: