http://www.anup.info Ruby on Rails Freelancer, London Fri, 06 Nov 2009 18:22:59 +0000 http://backend.userland.com/rss092 en I am starting a series of posts dealing with blockers at work. Here is the first one using gem bundler on Snow Leopard and mysql Mac OS X 10.5 (x86_64) version. Command: [source:ruby] rake db:create [/source] Error: [source:ruby] rake aborted! uninitialized constant MysqlCompat::MysqlRes [/source] Solution: Compile the bundled mysql gem with correct options. That is, locate your mysql_config and create a ... http://www.anup.info/2009/11/06/daily-blockers-1/ This is a quick guide to set up auto_complete text fields in forms rendered by ActiveScaffold plugin. I am not a huge fan of ActiveScaffold, but found these steps worth publishing after doing this for one typical project requirement. 1. Models [source:ruby] class City < ActiveRecord::Base belongs_to :country validates_presence_of :name, :country_id end [/source] [source:ruby] class Country ... http://www.anup.info/2009/07/01/using-autocomplete-with-activescaffold-forms/ Having tweetdeck open on same workspace often cause distractions during work. This even made me to abstain from using twitter for last two weeks. Now I have a setup of a special device for twitter in the form of Mimo 740 7" Touchscreen monitor. I was impressed with the features ... http://www.anup.info/2009/04/28/tweetdeck-on-mimo-740/ JobMigo.com, inspired from the '#rtjobs' movement, is an application created to help people find and sort jobs using twitter. So what does Twitter have to do with finding a job? Twitter has also become a place where users have begun to post listings for job openings. There are many ways ... http://www.anup.info/2009/03/29/jobmigo-real-time-job-bookmarking-on-twitter/ Checking for non-existing images and replacing them by placeholders is simple when the images are handled on server (db/filestore). However, for externally linked images, we can do something like this using JQuery: [source:javascript] $("img").error(function () { $(this).unbind("error").attr("src", "/images/noimage.jpg"); }); [/source] This script will replace the broken image urls ... http://www.anup.info/2009/03/26/tips-replace-missing-images-using-jquery/