View WiceGrid version 0.5.md

OCTOBER 18, 2009

Today WiceGrid has reached the next level of maturity and was awarded the tag of version 0.5.

This version of WiceGrid is accompanied by an application called WiceGrid Examples running online and with source code available on GitHub.

Here's a list of changes as compared with version 0.4:

selected_records

View Moving to Ruby 1.9.1.md

FEBRUARY 28, 2010

Ruby 1.9.1 was released more than a year ago, but the migration to it has been slow. Looking forward to using the new Fiber class(1, 2), sexier functional syntax, and, of course, enjoying the speed, I decided to move a Rails app that I had started recently, to 1.9.1.

Here are a few tips:

Before you start, consider using Ruby Version Manager (RVM) to manage your Rubies and gems. RVM allows to quickly switch between various Ruby implementations (including such exotic implementations as MagLev), keeping a separate gem set for each interpreter. It even allows you to create your own named gem sets (per project, for example), which I find a very cool feature. If you use Mysql, follow the instruction on how to compile the Mysql gem here: [http://rvm.beginrescueend.com/integration/databases/](http://rvm.beginrescueend.com/integration/d

View WiceGrid and with_scope.md

NOVEMBER 15, 2009

Methods with_scope and with_exclusive_scope in ActiveRecord scope parameters to method calls within the block. They can be nested, and when with_scope blocks are nested, the scope of the inner block is the merge of all the parent scopes:

class Task < ActiveRecord::Base
  class << self 

    def foo
View Errors and processes in erlang.md

DECEMBER 30, 2011

Previous posts about http://learnyousomeerlang.com: Dog FSM, Cat FSM.

Chapter Errors And Processes is closer to the beginning of the book and deals with core Erlang concepts: error propagation and error trapping.

First off, here is what I wrote to better understand the section that starts with words "the results of uncaught throws, errors and exits in neighboring processes":

leikind/1541608

View Cat FSM.md
View Dog FSM.md

DECEMBER 13, 2011

Learn You Some Erlang for Great Good by MononcQc is a really good alternative to the two canonical Erlang Books Erlang Programming by Francesco Cesarini and Simon Thompson and Programming Erlang: Software for a Concurrent World by Joe Armstrong, especially when you need to jump into the language quickly. It gives you enough knowledge to build upon reading other people's code, documentation, and coding.

Things taken for granted by Erlang programmers can be confusing to newcomers to concurrent and functional programming. Needless to say, jumping from, say, C# to Ruby is far less adventurous than from any of the two to Erlang. While reading the book I found out that readability of certain

View WiceGrid version 3.2.0.pre1.md

JULY 24, 2012

WiceGrid version 3.2.0.pre1 has been released, and the WiceGrid testbed application has been updated.

Here is the changelog:

  1. Support for Prototype has been dropped. No hard feelings, Prototype, no matter what others say, I liked you, and I am perhaps the last one to have dumped you :)
  2. All assets are in the asset pipeline. All javascript is now coffeescript. No more Rails 2 legacy in the form of obtrusive javascript in the HTML page. The styles file is copied to the application asset directory by a generate task so that is it easy to modify it to the application needs. The javascript and images are loaded from the plugin. Read the Installation section in README for details. Thanks to the asset pipeline taking care of loading assets for us, methods include_wice_grid_assets, `names_of_wice_grid_sty
View whats new in wicegrid.md

JUNE 20, 2010

The following features have just been merged into the master branch of WiceGrid:

  1. Support for Rails 2.3.8 with or without rails_xss.
  2. Auto-reloading filters. Filters can be configured to reload the grid once they get changed without clicking the Reload button. This works for dropdown lists, text fields, and the JS calendar ( not with the standard Rails date/datetime helpers). See an example here. Read the documentation.
  3. New helper export_to_csv_javascript which works in a fashion similar to submit_grid_javascript and reset_grid_javascript, generating javascript which would trigger CSV export. This enables custom "Export To CSV" buttons anywhere on page.
  4. Option :hide_csv_button to complement export_to_csv_javascript and to hide the de
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