Archive for the ‘Technology’ Category

VS.NET 2012’s new features in “MVC 4, Razor v2”

August 24, 2012

Here are two cool enhancement in Razor v2! Enjoy reading!!

1. No need to use “@href” or “@url.content” anymore for resolving the Url. We can simply use “~” as we use it in ASP.NET development

Example:
< script src=”@Url.Content(“~/Scripts/jGrowl.js”)”>

can be just simply as below
< script src=”~/Scripts/jGrowl.js”>

Note: <space> has been added after “<” in < script> for the perfect view

2. Conditional attributes:

Please refer: http://vibrantcode.com/blog/2012/4/10/whats-new-in-razor-v2.html/

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Do you know JavaScript?

November 12, 2011

Mind blowing one!

Michael Woloszynowicz has noticed many people adding ‘JavaScript’ to their resumes without really understanding it. He explains what he feels different levels of JS developers should know and why it’s important.

Here you go!

[ Just a copy & paste from www.w2lessons.com article http://goo.gl/x156J ]

A basic level of understanding for JavaScript includes:

  • Knowing the syntax of basic programming tools such as loops, if statements, try/catch, etc.
  • Understanding function definitions including the various ways they can be defined and assigned, as well as anonymous functions
  • Understanding basic scope principles, global (window) scope versus object scope (closures excluded)
  • Understanding the role of context and the use of the ‘this’ variable
  • Understanding the different ways to instantiate and declare an object as well as functions as objects
  • Understanding JavaScript comparison operators like ‘<‘, ‘>’, ‘==’, ‘===’,  what is falsy, and how object and string comparison works, as well as casting
  • Array indexing for object attributes and functions and how this differs from actual arrays (object literals vs. array literals)

An intermediate level of understanding includes:

  • Understanding timers, how they work, and when/how they can be useful as well as asynchronous method execution
  • In depth knowledge on callbacks and function application such as the ‘call’ and ‘apply’ methods for controlling context and function argument passing
  • Understanding JSON notation and the ‘eval’ function
  • Understanding closures, how they affect the performance of your code, and how they can be used to create private variables, along with the lovely (function(){})() call
  • AJAX and object serialization

An advanced level of understanding includes:

  • Understanding a methods ‘arguments’ variable and how it can be used to overload functions through arguments.length and make recursive calls through arguments.callee. It should be noted that use of arguments.callee can be dangerous as ECMAScript 5 Strict Mode doesn’t support it, although both jQuery (up to 1.4) and Dojo take advantage of it.
  • Advanced closures such as self-memoizing functions, currying, and partially applied functions
  • Function and html prototyping, the prototype chain, and how to use base JavaScript objects and functions (e.g. Array) to minimize coding
  • Object type and the use of instanceof and typeof
  • Regular expressions and expression compiling
  • With statements and why you shouldn’t use them
  • The most difficult part of all, knowing how to tie all these tools together into clean, robust, fast, maintainable, and cross browser compatible code.
Hope, you would feel great, reading this. And also i see that you started sharpening you! 🙂

Operator “===” / identity operator / Triple equal operator

October 10, 2011

What is Triple equal operator? Where, Why & When it’s used?

In general,

Double equal (==) is called equality operator

Tripe equal (===) is called identity operator

Here are few gotchas, you would love reading!

Where it’s used?

Seems that in PHP, RUBY (I haven’t played with them, but got to know through googling :)) & JavaScript

Why & When it’s used?

When we have a situation to check “both operands have the same value and are of the same type”.

Let’s see some examples in JavaScript:

‘1’ === ‘1’   // true – Same value and type

‘1’ === 1    // false – Same value but different type

‘1’ === true // false – Value and type are different

Equality operators also have their opposites 🙂

The non-identity operator ( !== ) returns true, where identity would return false.

‘1’ !== ‘1’   // false

‘1’ !==  1    // true

Then, is anything there in C#?

I don’t see the exact, but we have one, that helps to check for the same “instance” type, that’s it!

C# static method ReferenceEquals(obj1, obj2), helps to check same instance or reference equality.

Reference:

http://www.color-of-code.de/index.php/articles/programming5/c-identity-vs-equality

Other useful references:

http://en.wikipedia.org/wiki/Equals_sign

http://stackoverflow.com/questions/359494/javascript-vs-does-it-matter-which-equal-operator-i-use

SaaS Vs. IaaS Vs. PaaS

October 9, 2011

I was just checking for SaaS and related. And got some extra stuffs like IaaS and PaaS too. That are all awesome!

Please check the following image, it speaks a lot!

Courtesy: http://www.katescomment.com/iaas-paas-saas-definition/

ASP.NET MVC 4 Preview Released

September 18, 2011

Hope, the following notes and links would help great!

It installs side-by-side with ASP.NET MVC 3, so get started using it today!

Top Features

  • Refreshed and modernized default project templates
  • New mobile project template
  • Many new features to support mobile apps
  • Recipes to customize code generation
  • Enhanced support for asynchronous methods
  • Read the full feature list in the release notes http://www.asp.net/learn/whitepapers/mvc4-release-notes

Software Requirements

The ASP.NET MVC 4 runtime components require the .NET Framework 4. The ASP.NET MVC 4 components for Visual Studio require either Visual Studio 2010 with Service Pack 1 or Visual Web Developer Express 2010 with Service Pack 1.

For reference:

http://theshravan.net/blog/asp-net-mvc-4-roadmap/

http://www.dotnetexpertguide.com/2011/09/aspnet-mvc-4-article-series.html

http://www.dotnetexpertguide.com/2011/09/first-look-at-aspnet-mvc-4-templates.html

http://www.kevinlabranche.com/blog/ASPNETMVC4DeveloperPreviewGoodness.aspx

Technology / Tools update

September 11, 2011

Here are few links about Technology/Tools update:

1. Tip on how to share files between projects in the same solution in C#
Url: http://cplus.about.com/b/2011/09/10/c-tip-for-multiple-projects-in-one-solution.htm

2. Telerik’s Visual Studio Plug-in for Code Analysis (like Re-Sharper)
Url : http://www.telerik.com/products/justcode.aspx
Online Demo : http://tv.telerik.com/search?sortby=most%20recent&libraries=justcode

3. 10 Firefox Add-ons Twitter Users Can’t Live Without
Url : http://www.telerik.com/products/justcode.aspx