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Showing category "Design" (Show all posts)

XML vs. JSON vs. Protocol Buffer : A Comparative Study

Posted by Uday Shankar on Friday, September 5, 2014, In : Design 
XML
Extensible Markup Language (XML) is a markup language that defines a set of rules for encoding documents in a format that is both human-readable and machine-readable.

XML Structure
XML Declaration
XML documents may begin by declaring some information about themselves, as in the following example:
<?xml version="1.0" encoding="UTF-8" ?> 
Tag
A markup construct that begins with < and ends with >. Tags come in three flavors: 
start-tags; for example: <section>
end-tags; for example: </section>
empty-...

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Design Patterns

Posted by Uday Shankar on Monday, January 30, 2012, In : Design 

Definitions: Christopher Alexander says ā€œEach pattern describes a problem which occurs over and over again in our environment, and then describes the core of the solution to that problem in such a way that you can use this solution a million times over, without ever doing it the same way twiceā€.

As young children learn about good and evil from fairy tails, beginning software engineers learn about good design (design patterns) and bad design (anti-patterns).

History: 1987 Ward and Ke...


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Uday Shankar A curious Java Developer.
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