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how to realize a "switch" on the website to turn on/off the help info?

Asked by fentick : 14 June 2012 - 10:11 PM
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Installing Ruby 1.9 on a Debian or Ubuntu System

By AdrienLamothe : 09 August 2011 - 01:57 PM
I recently wanted to migrate some Ruby on Rails applications from version 2 to 3. I also had for some time wanted to migrate from Ruby 1.8 to Ruby 1.9. Many people recommended using RVM to manage a mu...
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Rails Activerecord getdata

Asked by itsmeonly : 06 December 2010 - 10:29 AM

Answered by cjapes : Jan 18 2011 05:50 AM
Because it is a multidimensional array. if you want just the first record try doing this: detail.first.programCode or if you need to go through all programCode your query gives you you can do: det... full answer >
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Checking in on Ruby on Rails

By blackbear : 03 June 2010 - 07:55 AM
Ruby on Rails took the software industry by storm a few years ago. However, unlike many technologies that looked great for a while and then slacked in popularity, Rails continues to attract developer...
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Open source tools for mid-sized websites?

Asked by DaveEveritt : 20 February 2010 - 02:41 AM

Answered by adfm : Mar 10 2010 12:05 PM
Deployment and maintenance can be a major time suck. It seems like you already have a good idea of what's out there, but are looking for a path to the next level. I would suggest finding a decent ... full answer >
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Parsing fixed-width fields in Ruby/Rails

Asked by simonstl : 06 November 2009 - 11:54 AM

Answered by kyle.burton : Nov 10 2009 10:00 AM
If the goal is just to externalize the configuration, there are several implementation strategies (yaml, arguments to a function, additional parameters if it's a rails controller etc). This is an... full answer >
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How to remove duplicate lines with regular expressions

By StevenLevithan : 30 October 2009 - 08:35 AM
There is a variety of software (including the Unix command-line utility uniq and Windows PowerShell cmdlet Get-Unique) that can help you remove duplicate lines in a file or ...
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How to compute distances based on zip codes

By mike-loukides : 26 October 2009 - 12:20 PM
If you're writing a web application, and you want to find places (restaurants, theaters) within a certain distance from your user, you'll probably need to work with zip codes. Here's a go...
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How to package a Ruby on Rails application for Java EE

By mike-loukides : 26 October 2009 - 11:44 AM
Use the Warbler gem. From the JRuby Cookbook: Use Warbler to package your Rails application as a WAR file. Start by installing the gem: $ jruby –S gem install warbler This gem adds the warb...
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How to Match IPv4 Addresses with Regular Expressions

By Jan Goyvaerts : 30 September 2009 - 01:11 PM
If you want to check whether a certain string represents a valid IPv4 address in 255.255.255.255 notation, try one of these examples from Regular Expressions Cookbook: Simple regex to check fo...
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