High Availability Rails Cluster

Tuesday, 08. 19. 2008  –  Category: all, sw, web

I’ve been asked about this a few times, so I figured I’d post here. This is a brief description of a highly available Rails cluster I’ve built. Some preliminaries: There’s no invention here, I believe this setup is very common. High availability isn’t the same thing as load balanced. There is nothing here to intelligently […]

Javascript Trac Bookmark

Friday, 07. 11. 2008  –  Category: all, web

Substitute https://trac.example.com for your Trac instance and drop into a Firefox bookmark, perhaps on the toolbar: javascript:q='%s';if(q=='%'+'s')void(q=prompt('Trac%20#',''));if(q)location.href='https://trac.example.com/trac/ticket/'+escape(q);else%20location.href='https://trac.example.com/trac/report/1' Click / select the bookmark to be prompted for a Trac issue number, which you can leave blank to just load /report/1 Extra credit for assigning a keyword (eg ‘ktx’) in the bookmark properties, allowing you to just […]

Moving Dictionary.app

Friday, 05. 2. 2008  –  Category: all, sw

OS X does a good job of tracking what applications are where and what they do. I have little idea how this works, but if I move VLC.app into a new home then all the files that open in VLC still work. Great. I imagine it involves FSEvents and gobs of XML somewhere. However the […]

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