"You may notice that for a given set of data the MongoDB datafiles in /data/db are larger than the data set inserted into the database. There are several reasons for this."

ram ssd news aggregation

DRAM SSD vendor. Article mentions a few others.

"When there are multiple indexes available for a collection. When handling a query the first time, MongoDb will create multiple execution plans (one for each available index) and let them take turns (within certain number of ticks) to execute until the fastest plan finishes. The result of the fastest executor will be returned and the system remembers the corresponding index used by the fastest executor. Subsequent query will use the remembered index until certain number of updates has happened in the collection, then the system repeats the process to figure out what is the best index at that time."

25 slides with some detail

Object Oriented Keys for Redis.

Object-Hash Mapping for Redis

object persistence in Java

useful

log to redis

smooth streaming charts

not quite awesome for me

customize New Tab Page in Chrome

Algorithmic, Game-Theoretic, and Logical Foundations-pdf format at top

list of string metrics

'By the late 19th century, it had gathered a secondary association of inferiority: an image without the substance or qualities of the original.'

'Here is the main reason they don't release the All 22: The NFL and the networks don't want us to experience football as a game, but as a hyper-real production of a game, in the way war movies are hyper-real versions of war.'

Redis protocol example

foldable bike site with bikes in stock

vim color scheme editor

nice interface

multi-agent

" At least five fields (protocol number, source and destination IP addresses, and ports) are involved in the decision which rule
applies to a given packet."

heat map on globe in gnuplot