Disclaimer: There may be
9AM...
The morning keynote speaker is Tim Bray.
Tim Bray's morning keynote
MemCacheD - distributed hash table
(is there a .NET plugin available???)
- used by facebook, wikipedia
danga.com/memcached
tbray.org/ongoing
ruby.gemstone.com
MagLev: "Ruby that scales"
Drizzle - a lightweight SQL Database for Cloud and Web computing
fork of MySQL
Apache CouchDB - restful HTTP accessed database
(database is implemented as JSON name/value pairs)
- distributed, fault-tolerant and schema-free document-oriented databaes accessible
via a RESTful HTTP/JSON API. Provides a robust, incremental replication with bi-directional
conflict detectdion and resolution, and is queryable and indexable using a table-oriented view engine
with JavaScript acting as the default view definition language.
- Implemented in Erlang
- incubator.apache.org/couchdb
AtomPub (REST) RC-123 (?) - built by Tim Bray
Bonnie, developed by Tim Bray
- applications need to read/write files
- sometimes they use smart I/O - somethimes they process characters and rely on buffering libraries
- sometimes they need to update files in place
- sometimes they need to seek around
Sun 7410 server has some very interesting performance characteristics for I/O
presentation slides
tbray.com/tmp/QCSF08.pdf
Thursday, November 20, 2008 - morning sessions
DSLs in Practice
Jay Fields, DRW Trading
5Ws of DSLs
Domain Specific Language
- a computer programming language of limited expressiveness focused on
- a DSL supports a bare minimum
examples of DSLs: sql, regular expressions, spring config, linq
Prgrammerr Read/Write DSLs
-JMock
-Mockito
-Active Record
Domain Expert Readable
-RSpec
-Your domain model
-ignore programming best practices
-language noise should not exist
-domain experts design language
DSLs to research: JBehave, JQuery, RSpec Scenarios, Mockito, Rake, Rhino MOcks, db deploy, Prototype Effects, YUI widgets, Thrift,
Seamless resource pub/sub