Category Archives: Architecture

Which Oar Best Rows The Boat

Ted Dzuiba wrote a post that boiled down to identifying his own “language bigotry” as a step along the way to software engineering “Mastery”. He’s absolutely correct about introspecting why one chooses to “fight” other languages. And by saying “languages” I could … Continue reading

Posted in Architecture, Coding, Life, Opinions | Tagged , , , , | Leave a comment

SPDY for Apache

Mod_SPDY for Apache is out. If you don’t know what SPDY is, I’d recommend some light reading … or heavy reading if you’re that kind of person.  

Posted in Architecture, Linuxy, Products | Leave a comment

Video Captcha Prior Art

Nucaptcha claims to have invented video captchas. They didn’t. Neither did I, proabably, but I have talked about them publicly a few times, including this blog post from 2009.

Posted in Architecture, Life, Products | Tagged , | Leave a comment

Caching Functions In Perl

Synopsis There are occasions, where you write a function that takes some parameters and outputs consistentish data. Example: sub add { my($first,$second)=@_; return $first + $second; } If you call add(1,1) you get 2: always. Consistent input yields consistent output. … Continue reading

Posted in Architecture, Coding, Linuxy | Tagged | Leave a comment

Merging Filesystems Virtually Under Apache

Synopsis This is rather old code, but saved my bacon more than once. Runs under Apache with Mod_Perl, and “merges” any number of filesystems. You’ll see the @docroots array that takes a list of “document roots”. These all need correct … Continue reading

Posted in Architecture, Coding, Linuxy | Tagged , , | Leave a comment

Reliance On GPS Is A Liability

I’ve written a couple times previously about how we shouldn’t rely on GPS solely. It appears the US government might have just come to that conclusion as well. GPS is awesome, but it cannot be the only mechanism used for … Continue reading

Posted in Architecture, Life | Leave a comment

Use MongoDB

So an Anonymous Coward’s pastebin rant against MongoDB has an awful lot of legs. I circulated a few thoughts yesterday morning to head-off the inevitable concerns of “um, we’re doing a lot with Mongo, and now I’m nervous”: [It] really … Continue reading

Posted in Architecture, Linuxy | Tagged , | Leave a comment

SSL CAs Are An Unnecessary Evil

I’ve talked about this to numerous groups, going back to 1999, but seems I’ve never done so publicly. Certificate Authorities are completely unnecessary. “OH MY GOD HOW DO WE MAINTAIN THE WEB OF TRUST?!” you scream. Easy, the same way … Continue reading

Posted in Architecture, Opinions, Work | Leave a comment

Redundant Array of Independent Datacenters

I used a phrase last night/this morning that I use to refer to distributed datacenter architecture, and afterwards decided to google it. It seems that while Cisco mentioned it a lot in 2010, I beat them by a few years … Continue reading

Posted in Architecture, General, Work | Leave a comment

Dear MongoDB

Dear MongoDB, I would like to use the positional operators you have for updates, ala ‘user.$.name’, in the field selectors for queries, ala find({“”: “Matt”},{“user.$.address”}) such that I can see only the fields of that sub-document/sub-object in my return data … Continue reading

Posted in Architecture, Coding, Linuxy, Work | Tagged , | Leave a comment