Archive for February, 2010

Design Patterns Interview Questions #2

1 year ago

by Solomon in Design Patterns

Q1. What are design patterns? Ans. A pattern is a proven (and recurring) solution to a problem in a context. Each pattern describes a problem which occurs over and over again in our environment, and describes its solution to this problem in such a way that we can use this solution a lots of times. In simple words, there are a lot of common problems which a lot of developers have faced over time. These common problems ideally should have a common solution too. It is this More >

ASP.NET AJAX Interview Questions

1 year ago

by Solomon in Interview Questions - AJAX

The ASP.NET AJAX Interview Questions contains the most frequently asked questions in ASP.NET AJAX. These lists of questions will gauge your familiarity with the ASP.NET AJAX platform.

What is Ajax?

The term Ajax was coined by Jesse James Garrett and is a short form for "Asynchronous Javascript and XML". Ajax represents a set of commonly used techniques, like HTML/XHTML, CSS, Document Object Model(DOM), XML/XSLT, Javascript and the XMLHttpRequest object, to create RIA’s (Rich Internet Applications).

Ajax gives the user, the ability to dynamically and asynchronously interact with More >

Design Patterns Interview Questions #1

1 year ago

by Solomon in Design Patterns

What is a Design Pattern?

Design Pattern is a re-usable, high quality solution to a given requirement, task or recurring problem. Further, it does not comprise of a complete solution that may be instantly converted to a code component, rather it provides a framework for how to solve a problem. In 1994, the release of the book Design Patterns, Elements of Reusable Object Oriented Software made design patterns popular. Because design patterns consist of proven reusable architectural concepts, they are reliable and they speed up software development More >

AJAX Interview Questions #1

1 year ago

by Solomon in Interview Questions - AJAX

What’s AJAX ? AJAX (Asynchronous JavaScript and XML) is a newly coined term for two powerful browser features that have been around for years, but were overlooked by many web developers until recently when applications such as Gmail, Google Suggest, and Google Maps hit the streets. Asynchronous JavaScript and XML, or Ajax (pronounced "Aye-Jacks"), is a web development technique for creating interactive web applications using a combination of XHTML (or HTML) and CSS for marking up and styling information. (XML is commonly used, although any format will work, More >

JavaScript Interview Questions #1

1 year ago

by Solomon in Interview Questions - Javascript

What’s relationship between JavaScript and ECMAScript? – ECMAScript is yet another name for JavaScript (other names include LiveScript). The current JavaScript that you see supported in browsers is ECMAScript revision 3.
What are JavaScript types? – Number, String, Boolean, Function, Object, Null, Undefined.
How do you convert numbers between different bases in JavaScript? – Use the parseInt() function, that takes a string as the first parameter, and the base as a second parameter. So to convert hexadecimal 3F to decimal, use parseInt ("3F", 16);

More >

XML Interview Questions #1

1 year ago

by Solomon in Interview Questions - XML

1. What is XML?

XML is the Extensible Markup Language. It improves the functionality of the Web by letting you identify your information in a more accurate, flexible, and adaptable way. It is extensible because it is not a fixed format like HTML (which is a single, predefined markup language). Instead, XML is actually a meta language a language for describing other languages which lets you design your own markup languages for limitless different types of documents. XML can do this because it’s written in SGML, the More >