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• what is difference between attr_accessible(*attributes) & attr_protected(*attributes)

  - by Salil

  Hi All, I want to know what is difference between attr_accessible(*attributes) & attr_protected(*attributes) with example if any. I see many developers used it in there model. i google around it but i don't get exactly what is the importance of that so i like if someone explain me the importance 7 it's neccesity in different scenario's. Thanks in Advance.

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• Difference between graph database: Neo4j & AllegroGraph

  - by user313456

  Hi All, What is the difference between this 2 graph DB: Neo4j and AllegroGraph? Which is better for JAVA Web programming? Thanks Erwin

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• Difference between skin and CSS in Flex

  - by shruti

  Hi, I am new in Flex. Was just wondering what is the difference between skin and CSS?? Why it is better to use skin over CSS in Flex. Could anybody please clear my doubt. Thanks!!!

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• What's the difference between IQueryable and IEnumerable

  - by James Hay

  I'm confused as to the difference. Being fairly new to .Net, I know I can query IEnumarables using the Linq extensions. So what is this IQueryable and how does it differ?

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• difference b/w soap web service and webservice

  - by Praveen Prasad

  i saw that in asp.net .asmx file, we create webservices [webmethod] //method defination here now for soap webservice [webmethod] [SoapHeader(some parameters here)] //method defination here my question is what's the difference b/w both webservices type and how to choose which service type to choose

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• What is the difference between RDF and OWL?

  - by vicky21

  I am trying to grasp the concept of Semantic Web. I am finding it hard to understand what exactly is the difference between RDF and OWL. Is OWL an extension of RDF or these two are totally different technologies?

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• Difference between cellPressed and cellClicked signals of PyQt4 QTableWidget

  - by Nikwin

  The PyQt4 QTableWidget has both cellPressed and cellClicked signals. From the name, and the little experimentation I did with them, they appear to do exactly the same thing. Is there a difference between the two?

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• What is the difference between the following while using Tortoise SVN

  - by TheLameProgrammer

  What is the difference between the following while using Tortoise SVN SVN Checkout (in context menu) Export (in context menu) Save as (in Repo Browser) Copy to.. (in Repo Browser) Copy to working copy.. (in Repo Browser)

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• Difference between genetic and evolutionary algorithms ?

  - by Mr.Gando

  Is there a difference between Genetic algorithms and evolutionary algorithms ? I have read multiple papers, talking about genetic or evolutionary algorithms, and while very similar, I think they may not be the same thing.

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• what is the difference between Association rule mining & frequent itemset mining

  - by zeedotcom

  i am new to data mining and confuse about Association rules and frequent item mining. for me i think both are same but i need views from experts on this forum My question is what is the difference between Association rule mining & frequent itemset mining? Thanks

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• Difference between "InProc" & "stateServer" mode in SessionState on ASP.NET

  - by AZIRAR

  Hey, like the title shows I want to know what is the difference between "InProc" & "stateServer" mode in SessionState on ASP.NET. Thanks

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• Difference between message-oriented protocols and stream-oriented protocols

  - by bala1486

  I am trying to understand the difference between these two computer networking terminologies. I searched over the internet but coudn't get a good idea. Could anybody please explain me or give a link to a page that explains this? Thank you...

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• difference between soap web service and webservice

  - by Praveen Prasad

  i saw that in asp.net .asmx file, we create webservices [webmethod] //method definition here now for soap webservice [webmethod] [SoapHeader(some parameters here)] //method defination here my question is what's the difference between both webservices type and how to choose which service type to choose

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• What's the difference between "return View()" and "return PartialView()"

  - by Shay Friedman

  I understand that partial views are used to render parts of a view. But I can't understand what's the difference between return View() and return PartialView() and when do you use each one.

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• Difference between Visual Basic and VBA

  - by Thomas Geritzma

  What is the difference between the two. I always thought VBA is somewhat 'crippled' version of VB, but when a friend asked me the other day I had no idea what the actual differences are. Also, when you use, for example, Excel, is that VB or VBA ?

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• HTML5: Difference between the "proposed recommendation" and the "candidate recommendation"

  - by Shivanand

  Hello, In a recent article on HTML5, it says the proposed recommendation date is 2022 and the candidate recommendation date is 2012. I would like to know what is the difference between the "proposed recommendation" and the "candidate recommendation"? -Shivanand

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• Difference between URI and URL

  - by Sarfraz

  If you read the documentation of CodeIgniter or Kohana, there is a lot of confusion about the usage of URI and URL. Sometimes they use one and other times the other. They also incorporate URI class which makes it easier working with URLs. I know that: URI stands for Uniform Resource Identifier URL stands for Uniform Resource Locator But that doesn't make much sense. What exactly is the difference? or are they same?

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• Difference between a virtual function and a pure virtual function [closed]

  - by Sachin Chourasiya

  Possible Duplicate: C++ Virtual/Pure Virtual Explained Hi, Need to know what is the difference between a pure virtual function and a virtual function? I know "Pure Virtual Function is a Virtual function with no body" but what does this mean and what is actually done by the line below virtual void virtualfunctioname() = 0

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• What is the difference between this initialization metods?

  - by Samvel Siradeghyan

  Hi all What is the difference between this two codes? class SomeClass { SomeType val = new SomeType(); } and class SomeClass { SomeType val; SomeClass() { val = new SomeType(); } } Which metod is preferd?

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• MySql difference between two timestamps in days?

  - by user151841

  How can I get the difference between two timestamps in days? Should I be using a datetime column for this?

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• Difference between deferred execution and Lazy evaluation in C#

  - by babu m

  Hi , Could you please let me know what is the exact deference between deferred execution and Lazy evaluation in C#?These two are used synonymously.Could some one please explain the difference with an example??

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• What is the difference between this initialization methods?

  - by Samvel Siradeghyan

  Hi all What is the difference between this two codes? class SomeClass { SomeType val = new SomeType(); } and class SomeClass { SomeType val; SomeClass() { val = new SomeType(); } } Which method is preferd?

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• How to calculate the date difference between 2 dates using php

  - by gnanesh

  Hi, I have to dates of the form Start Date: 2007-03-24 End Date: 2009-06-26 Now I need to find the difference between these two in the below form: 2 years, 3 months and 2 days Can someone please help me with this

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• what are the difference between InnoDB and MyISAM.

  - by harigm

  what are the difference between InnoDB and MyISAM. Which one I can go for? any areas where one provides and other doesnot provide? IS there any technological limitations in any of the both types? Please help me to choose the right type for my project?

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• Difference between null==object and object==null

  - by priyank.mp

  Hi I would like to know diff between the above comparisons? I am getting null pointer exception when I check object.getItems() == null. But if I change it to null == object.getItems(), it workes fine. I did look into this http://stackoverflow.com/questions/2938476/what-is-the-difference-between-null-object-and-objectnull-closed But I didnt get satisfactory answer.

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