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Cassandra On Rails using Cequel Atomic Batch Support When I first tried to use Cassandra with Rails over a year ago the lack of a good native (IE not thrift) driver and a good mapper was a show stopper for … Continue reading
Linux has this wonderful thing called the buffer cache (for more detail read here ). In summary, it uses all your free ram as a cache for file access. Because of buffer cache you can easily get under 1 millisecond … Continue reading
Reads and the perils of index tables. I frequently see index tables in Cassandra being used to allow a One Source Of Truth. It’s important to remember when designing a truly distributed system relational algebra really doesn’t scale, and in … Continue reading
With today’s world of programming languages where many languages are better at certain tasks than other’s you’ll find it useful to learn multiple languages over the course of your career (as well as keeping your skill sets current). Here are … Continue reading
I journal quite a bit and my holy grail has been using my favorite text editor (Vim or Vim bindings) with Evernote to store the everything in a smart searchable format. Today I stumbled onto a neat little tool that makes … Continue reading
Ruth Ann Svihla came into this world screaming and angry on October 30 2011 at 6:57 am. She was and has always been a beautiful, intelligent child that brought us a great deal of joy, but she was born with … Continue reading
I recently had to setup a build server for some rails work I’m doing. Still wanting to support my other projects I setup Jenkins. I ran into several issues. Running Jenkins as a hidden user First I noticed that jenkins … Continue reading
Here are some of the contradictory phrases (and a few paraphrases) I’ve overheard used to define what is “good” and “bad” code. Code should always be well commented Maintainable code has unit tests and well named methods therefore needs little … Continue reading
Frustrated with the typical way I saw IoC used in Java where every example I found involved thousands of lines of XML and/or Java code to configure Java beans or components. This is very different than IoC typically used in … Continue reading
Firstly, what am I talking about? Applications that meet some of the following descriptions: Stored procedures with a fair amount of conditional logic or complicated business rules buried in a sub-query (some would argue sprocs at all). Web pages with … Continue reading