Developing a native iPhone application is really a difficult task if you are a web programmer with no knowledge of Cocoa programming language. Why not try developing an iPhone web-app with local sqlite database, and sync with the live server whenever you are connected to internet? In this article i will show you how to do it. Steps: 1. Build an offline iphone web-app iPhone offline webapps View more presentations from Home. Example can be found here: Berttimmermans Checklist App 2. Periodically check if the iphone is currently connected to internet, with javascript: <script type=”text/javascript”> var connectionStatus = ((navigator.onLine) ? ‘online’:’offline’); </script> 3. Sync data with web server whenever you are online, via normal http POST/GET requests That’s...
Personally, I feel that this merge is a good thing for both Lucene and Solr: Solr users get the latest Lucene improvements faster and releases get streamlined. Lucene users get access to Solr features such as faceting. The in-sync trunk allows new features to make their way into the right place (Lucene vs Solr) more easily and duplication is minimized. Bugs are caught earlier by the huge combined test suite. More number of committers means more ideas and hands available to the projects Other Lucene based projects can benefit too because many Solr features will be made available through Java APIs. There are a couple of things to be worked out. For example, we need to decide where the integrated sources should live and whether or not to sync Solr’s version with Lucene’s. All this will take some time but I am confident that our combined community will manage the transition well. via shal.in What’s a good news. Solr have been provided Enterprise Level support by lucidimagination.com. Big corporates using Solr: AOL, Comcast Interactive Media, IBM, Netflix, LinkedIn and MySpace. I believe that the future of Solr is...
Recently I need to insert 400+ rows of data into an eight year old MSSQL 2000 and MSSQL 2008 database. It’s really a pain in the ass if I have to do it by hand or learning a new tool to do it. Luckily, I can use ActiveRecord to do that easily thanks to activerecord-sqlserver-adapter and and auto table field mapping of ActiveRecord. Here is a quick step-by-step guide: Install Ruby on Windows machine (that run SQL server). Download One-Click Ruby Installer for Windows for Ruby 1.8.6 P26 at http://rubyforge.org/frs/download.php/29263/ruby186-26.exe And install it. If you use the default setting, it will setup ruby at c:ruby folder with rubygem 0.9.3 Update RubyGems Open “Command Prompt” cd c:rubybin gem update –system Install ActiveRecord with SQLServer Adapter gem install activerecord-sqlserver-adapter –source=http://gems.rubyonrails.org If the installation result is: Successfully installed activesupport-2.2.2 Successfully installed activerecord-2.2.2 Successfully installed activerecord-sqlserver-adapter-1.0.0.9250 3 gems installed Create a DSN (Data Source Name) Luckily I can reuse DNS from current ASP project so I don’t need to create new one. If you have to, you can follow guideline in [1]. Setup connection and create property ActiveRecord based classes require “active_record” ActiveRecord::Base.establish_connection( :adapter => “sqlserver”, :mode => “odbc”, :username => “yourusername”, :password => “yourpassword”, :dsn => “yourDSN” ) class AnyNameYouWant < ActiveRecord::Base set_table_name “TableNeedToAccess” set_primary_key “PrimaryID” end Start irb by: cd c:rubybin irb And paste above chuck of code in to irb. From now, you can use ActiveRecord based classes to read/write/add/remove SQL Server table as in a Rails script/console environment. I also got a problem with Time.mktime and need to some code adjust by hand Open c:rubylibrubygems1.8gemsactiverecord-sqlserver-adapter-1.0.0.9250libactive_recordconnection_adapterssqlserver_adapter.rb Replace “Time.mktime” by “Datetime.new”...
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