This is a way of getting the complete history of the file in one textual output. It's great for finding a snippet that you suspect existed somewhere in the file's past.
Dynamo is internal technology developed at Amazon to address the need for an incrementally scalable, highly-available key-value storage system.
- High network performance, thanks to memcached and libevent(we using epoll).
- High storage performance, Using Berkeley DB BTREE Access Method, and bdb's own MPOOL.
- High availability, Berkeley DB Transaction supported, and replication is ready.
Subcon allows you to store your essential system configuration files in a subversion repository and easily deploy different configurations to machines in a cluster.
Using a consistent hash algorithm in a memcached client prevents full re-hashing when a server is added or removed.
References:
Particularly of interest to me is that it ignores .svn directories by default.
ack is a tool like grep, aimed at programmers with large trees of heterogeneous source code.
The coolest feature of this full-text search engine is its MySQL storage engine. It integrates with MySQL in a way that allows developers to easily query from the full-text index just like a normal database table. The advantage of this is that you can easily JOIN search results with additional data from other tables. Very useful.
Must have for any web developer now that Safari 3 is out.
Alternative to purchasing Crossover when all you want to run is IE on your Mac. Uses X11 version of Wine. For Intel-based Macs only.