DBA Lounge
I was happily minding my business today, until I got sight of Tim’s tweet bemoaning the fact that Test::Difference tests can’t easily be used outside of a test harness. Darn him, that’s exactly the kind of happy little puzzle I can’t resist. So I began to think about it. Of course, the Right Solution is probably to add alternative non-TAP-tied functions to the test modules themselves. But what if you just want to quickly leverage the module’s functionality without having to re-arrange its innards? Well, most test modules use Test::Builder, so there’s surely ways to twist that to our advantage. After a hour or two of hacking, I think I got one.
If you are, you might like the little greasemonkey script (available on userscript.org and github) that I churned. The script finds the AUTHORS/CONTRIBUTORS section of POD pages on http://search.cpan.org and add Gravatar pictures where it finds author email addresses. The picture on the right is an example of what it does to the main Catalyst CONTRIBUTORS section.
Inspired, but not completely satisfied with Camelia, the Perl 6 mascot, Sebastian Riedel came up with a new set of butterfly logos for the Perl 5/6 family. Very purty, methinks, very purty indeed.
For the 4th Extremely Large Databases Conference. I am interested in any MySQL folks planning to attend (I would expect Tokutek to be represented, and maybe even the Calpont folks). Most of this is directly from an e-mail I received from Jacek Becla, who had a keynote at the 2008 MySQL User Conference and Expo. If you also received this e-mail, please feel free to skip ahead to my viewpoints on the various Oracle conferences (or just skip altogether).
A little hacking happened to decouple the core engine from its Apache roots, and XML::XPathScript was born. That module served me quite well throughout the years, but for some time now I’ve had this plan of doing a clean rewrite patiently sitting on my back-burner. This week I had a smashing staycation, and thanks to a very understanding wife, I was able to indulge in the necessary hacking sessions to get the ground work done. The result is not on CPAN yet, but can be perused on GitHub. As an example is worth a thousand pages of documentation, let’s say that you want to turn the piece of docbook-ish xml
I think Michael Stonebraker overshot the target In a 2007 paper titled, “The End of an Architectural Era”. Why is this The End? According to Michael Stonebraker “current RDBMS code lines, while attempting to be ‘one size fits all’ solution, in face, excel at nothing. Hence, they are 25 years old legacy code lines that should be retired in favor of a collection of ‘from scratch’ specialized engined”.
A few months ago, we had a test instance complaining that it couldn’t write to ASM. This was an 11.1.0.7 single (non-RAC) instance on Oracle Enterprise Linux 5, using ASM for the storage.We ended up booting the server altogether, after which everything came up nicely. We filed an SR with Oracle Support, who directed us to Note 391790.1 (Unable To Connect To Cluster Manager Ora-29701). This note lists the cause, quite simply, as…
No one is safe from the TPF Inquisition. Alberto Simões cornered Michael Schwern at YAPC and exacted a confession about the state of Test::Builder 2. No doubt threatened by the horrid torments that only torture by the comfy chair can provide, the Schwern spilled the beans.
Holy Zarquon just released the initial results of the 2010 Perl Survey. The slides are also available. Now for my 2cents worth. Looking at the results I see that very few of the respondents have be ‘taught’ Perl (slide 16) and the majority have an educational background in Computing or Engineering.I think that we in the Perl community should be asking why ‘Perl’ is not being taught at higher institutions.
I’ve just wrote few bits about learning a new technology and after skimming through my Google Reader, I noticed a great post by Gwen Shapira — Deliberate Practice. That’s reminded me about another aspect of learning that I didn’t mention — learning is a continuous process.
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