Monthly Archives: February 2008

The previous post using the yield statement gives us the following output which shows the ease of using blocks in programs which can be used to pass on parameters to the other parts of the same statement.
The code from the previous post gives the output:
Hi There
Hi There
Hi There
The code between the curly braces is associated [...]

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Scaffolding in Ruby on rails

Scaffolding, a meta-programming system of building database-backed software application is popularized by the Ruby on Rails framework. There are actually two ways of producing a scaffold in Ruby on Rails, the “dynamic scaffolding” and “scaffold generation.” This simple scaffolding is mostly used for prototyping applications and entering test data into a database. If you add [...]

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Using the ‘yield’ statement

It might be almost similar but relatively different in a big way for blocks may appear only in the source adjacent to a method call which means it should be written on the same line as the method’s last parameter and it is not implemented once it is encountered but, Ruby rather remembers the context [...]

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Simplifying the previous program with modifiers

As said in the past post, there is an easier way of doing the stuff we did in the last program which would be very helpful when coding thousands of line of code when you do end up building your own programs is ruby.
class BookList
def [](key)
if key.kind_of?(integer)
[...]

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Using thw [] for conditional processing

The process shown below is and example of using the [] to have the program execute a condition that searches the contents of an array till a match is found. It goes from the top to the bottom to check each and every member of the array to look for a match doing the requested [...]

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Rails on Model-View-Controller

Railes uses the Model-View-Controller or MVC architecture like many current web frameworks for organizing application programming. MVC in general is an architectural pattern favorably used in software engineering where the application becomes easier and less complex to modify and adjust either the visual appearance of the application or the fundamental business rules without affecting the [...]

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RoR and Text Editors Part-2

More on text editors that are used with RoR and we not discuss VIM or Vi Improved. Vim like Emacs is quite efficient and easy to use with RoR provided it is set-up properly. The nice about Vim is that it has the nifty way of highlighting syntax in ruby making it easy to trace [...]

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