Thanks my friend Mart who introduces reveal.js to me. It’s a great presentation framework and we used it for our Front End Web Development course in General Assembly.
Without the web development framework like Python Django or Ruby on Rails which bundle with pserver and WEBrick, i would like to find a light weight web server such that i could edit and preview my markdown which runs on reveal.js. Finally i find Mongoose.
Continue reading Mongoose – Simple web server
In the 2nd DumpCamp meeting, Ronnie showed us a SAAS service called New Relic which provides Application Performance Management solution mainly for web applications and servers. It’s capabilities include but not limit to:
The Lite account is free and i tried it today. The setup is easy and straight forward. Just register an account online with some configurations on your web server through SSH. Then you could views your server and web application performance online.
Continue reading DumpCamp – Introduction to New Relic
We can pass local variable to partial as follow.
<%= render :partial => 'shard/test', :locals => {:foo => "bar", :foos => ["bar1", "bar2"]} %>
Paperclip helps you implementing file attachment with ActiveRecord with Rails. Follow the example below and see how it works. Continue reading Rails – File Upload with Paperclip
Previously i have created a countries table which contains a country name and country code field. Get more information in the following link.
Rails – Preset Data in Database by Seed Fu Continue reading Rails – Create Some Simples Search Methods in ActiveRecord
Rails provides a very easy way to implement Ajax. I got a Service and a ServiceComment models and each service has many service_comments. I have a service_comment create form and a partial which shows all the service_comments of that viewing service in the app/views/services/show.html.erb. Everything works fine without Ajax. Now comes to the Rails magic. Continue reading Rails – Simple Ajax Create Form
Now i have the country hash ready which is all we need to build a selection list in view.
Rails – Retrieve a Hash from Model Continue reading Rails – Selection List on Form Builder
I would like to add a selection list country field in a view but first i need to get the a country hash from the Country model. Continue reading Rails – Retrieve a Hash from Model
I want to have a country field in my User model and i want it to be a selection list instead of free text input. So i plan to have a countries table which contains all the possible options as of the ISO 3166 country list. Continue reading Rails – Preset Data in Database by Seed Fu
Previous related post: Rails – Find Location using Geocoder
Implementation of Geocoder on Model is simple and straight forward. What we need is just adding two more columns on the Model table for storing the coordinates(Latitude & Longitude) and one column for storing the address. Continue reading Rails – Implementation of Geocoder on Model
Eureka! 