Comments for Alan deLevie

Comment on (Another) simple web.py wiki by admin

admin — Fri, 30 Jul 2010 04:21:44 +0000

Thanks, Jeremy. My Python days are long gone. I’ve since switched to Ruby. Why does sqlite3 not need to be imported?

Comment on (Another) simple web.py wiki by Jeremy Brudvik

Jeremy Brudvik — Thu, 29 Jul 2010 23:16:36 +0000

Nice tutorial Alan. You should pull out “import sqlite3″ though.

Comment on Feature Flippers with Rails by szeryf

szeryf — Mon, 05 Jul 2010 10:34:50 +0000

I like it but defaulting to create a new feature when it’s not found seems to me a bit dangerous. Every typo in feature name would silently just create a new record and the developer might fail to notice that. When the mistyped features make their way to production, things start to get messy

I would default to raise some exception and add some piece of code to initialize the feature table with a list of known features. Less DRY, of course, but safer.

Comment on A simple introduction to Django forms by Ian

Ian — Fri, 18 Jun 2010 15:19:31 +0000

Thanks for this tutorial. I find that django’s documentation will quite extensive seems to show you how you can customize everything but never shows you how to get started. I seriously spent several hours trying to figure out how to get the form to validate… finally found your site and had it work in like 2min. Arg…

Comment on Feature Flippers with Rails by grosser

grosser — Wed, 26 May 2010 05:46:37 +0000

We use performance flags to do this,
its something like if Performance[:xxx] ..
They are only stored in memcache, and off by default. It on big hash thats cached per-process –> 1 request/5seconds, and modified via backend, where we got on/off/value forms (value is for something like show new feature to value% of users).

Comment on Feature Flippers with Rails by Link dump for May 20th through May 24th | The Queue Blog

Link dump for May 20th through May 24th | The Queue Blog — Tue, 25 May 2010 00:04:55 +0000

[...] Alan deLevie – Feature Flippers with Rails – lets a site admin deploy/rollback features from a simple dashboard with a single click [...]

Comment on Feature Flippers with Rails by admin

admin — Thu, 20 May 2010 00:45:30 +0000

The best solution would probably be to heavily cache the queries, perhaps setting the reset to last a few hours. Add a method to feature.rb that resets the cache anytime deployed is changed.

Comment on Feature Flippers with Rails by Eric Anderson

Eric Anderson — Thu, 20 May 2010 00:20:08 +0000

I like the idea but the implementation generates a lot of queries. Perhaps as a before filter you could load all active features and the your helper could query in-memory data.

Comment on Django login script code snippet by Igor Ganapolsky

Igor Ganapolsky — Wed, 12 May 2010 22:22:45 +0000

Awesome, thank you so much for the tutorial!

Comment on How to write “better” Ruby programs by Rob Shedd

Rob Shedd — Mon, 10 May 2010 22:36:39 +0000

Very good points! I think it’s very easy to get caught up in the specifics of syntax and ignore the broader picture of what makes good code - Igor does a good job of bringing us back to the bigger picture. Lots of other very good programming practices in “Code Complete” by Steve McConnell.