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• C++ language some live examples for mutable...

  - by user292926

  Respected sir , i need some help for Mutable keyword it is used in a const. funcation and pls any body explain for the live example about the mutable and constant function and also diff. for the volatile member and function pls help me in Advance Thank you,

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• What are cons if we do not care about validation of XHTML and CSS?

  - by metal-gear-solid

  What are cons if we do not care about validation of XHTML and CSS? In terms of development time, Code debugging, Cross browser compatibility, website maintainability, Future changes in website, SEO ranking Accessibility (Does validity increase accessibility) I have to explain a client that Code validation is not just Fashion, it is beneficial for his site.

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• How to get the time on the point that you click on the clock?

  - by Jeff

  For instance, when you click the clock on the screen, there will pop up a notification/dialog which displays the exact time point. Anyone can tell me how to achieve this function? Thanks in advance! Maybe I should explain the "exact time point" . For example, there is a big analog clock on the screen. When you click around the dial, it will pop up a dialog box to display the exact time.

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• string.split method in ruby behaves funny to me

  - by Steve

  txt = "1aaa5" Then txt.split("a") produces [1, "", "", 5] in ruby 1.9. Anyone can explain why? Particularly, why not [1, 5]? Thanks.

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• SQL Server 2005 I get "The database is not accessible"

  - by Brian Roisentul

  I have a computer working as a server with many SQL Server 2005 databases in it since two years ago. Today, I don't know why, when I try to connect locally to any of the databases it gives me that error. It fails even if I'm logged in using Windows Authentication or as 'sa' user. It just wouldn't let me access the databases' info. Could anybody explain me what's going on?

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• Nth Largest element from a table sql Query

  - by Binu

  can any one explain hiow this query works..It's for getting the Nth largest elemet from a table.here it's 4 th largest SELECT a.ID FROM tblitem a WHERE (4) = (select count(*) from tblItem b where b.id < a.id) Thanks in advance

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• Resolve command in WPF. what is the resolve word?

  - by Mendy

  Can someone explain this XAML statement, particularly what is the Resolve? <MenuItem Header="_Load File" Command="{Resolve {Type Commands:LoadFile}}" />

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• pointer uchar* question in opencv vc++ 2008

  - by kaushalyjain

  img_hsv is a Mat element of an hsv image! when i give cout<<*img_hsv.data+10; it gives true value of the pixel ie 79 as output. but when i assign uchar * a=img_hsv.data+10; it gives me some other value... can you please explain me why is this the case? thanks!

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• setDelegate explanation

  - by mac

  Hi i am new to iphone developement , can any one explain me , why setDelegate is used, where we should use it. [request setDelegate:sender]; thanks in advance.

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• php get future date time

  - by Sanjay

  I don't know how to explain this correctly but just some sample for you guys so that you can really get what Im trying to say. Today is April 09, 2010 7 days from now is April 16,2010 Im looking for a php code, which can give me the exact date giving the number of days interval prior to the current date. I've been looking for a thread which can solve or even give a hint on how to solve this one but I found none.

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• Why aren't return types considered in Java method overloads?

  - by Gogi

  Why return type of a method is not considered in method overloading ? Can somebody explain , how compiler checks for overloaded methods ?

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• sliver light application deploy on Linux

  - by vtejomurtula

  Hi, My requirement is host a silver light web site on Linux O/S on tomcat or web logic server. would appreciate if anyone can explain the possibility and approach for this. Regards, vidya

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• How do I load an image from a DB inside a JSF page using managed beans?

  - by RhigoHR

  I have a database with some images. Could anyone explain me how I could load an image in a JSF page? I already have a managed bean that converts an Image object into a streamcontent. This streamcontent is called from the page in a tag <h:graphicImage>, but when I check the source code of the page, there's no src where the image could be loaded.

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• How can i get the source of a 777 - CHMOD php file?

  - by cedivad

  A moderator of a forum i own did so. I still can't belive on it, and i can't understand how he did it. Can someone explain me? He said he used only HTTP GET requests. Thanks

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• How are delegates in C# better than function pointers in C/C++?

  - by pecker

  The delegates in C# offer similar functionality as function pointers in C. I heard someone saying "C# delegates are actually better than function pointers in C". How come? Please explain with an example.

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• Inserting a line break from a variable objective c

  - by user337174

  I am pulling data into my iphone application using xml. The xml value is then placed in a variable. example variable: 123 London road \n London \n England The variable is then set as a label. I want the line breaks to appear in the label, instead it is printing \n. If i manually set the label value locationLabel.text = @"123 London road \n London \n England" It works as i want it to. Can anyone explain this?

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• Twitter rss feed 401 - unauthorisation

  - by RenegadeAndy

  Hey. I have a public twitter account and this is the rss feed for it: http://twitter.com/statuses/friends_timeline/150784631.rss The problem is, im getting an http 401 whenever im trying to access it. Can anybody explain how to stop this - and get it to work either with authentication or without! Cheers

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• IndexOf method returns 0 when it should had return -1 in C# / Java

  - by jcgarciam

  A friend of mine came to me with this strange behavior which i can't explain, any insight view would be appreciated. Im running VS 2005 (C# 2.0), the following code show the behavior int rr = "test".IndexOf(""); Console.WriteLine(rr.ToString()); the above code, print "0" which clearly show it should have return -1 This also happen in Java where the following Class show the behavior: public class Test{ public static void main(String[] args){ System.out.println("Result->"+("test".indexOf(""))); } } Im running Java 1.6.0_17

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• Reports Generation for Web Based Application Using Selenium Tool

  - by Rahul Mendiratta

  Currently we are generating HTML Reports for Automation, but those reports are not good enough to explain number of scenario which we cover in Automation, Is there anything we can use with Selenium to generate a proper reports which can give a complete overview and can easily understand by anyone First Thing we can show a complete pie charts which cover number of test case passed and Failed. Second thing we can show, what are test cases are there in this build.

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• Android String.equals doesn't work when I trying to match from httpresponse

  - by user469652

  RestClient.post("auth/login/", loginparam, new AsyncHttpResponseHandler() { @Override public void onSuccess(String s) { Toast.makeText(getApplicationContext(), String.valueOf(s.toLowerCase().equals("ok")), Toast.LENGTH_LONG).show(); if (s.equals("ok")) { startActivity(new Intent(getApplication(), HomeActivity.class)); } } }); This is the code I used for login in android app, In the Toast text, I can see the server did returned "ok", but s.equals always failed in my case, can someone explain that? Thank you.

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• C++: Is windows.h generally an efficient code library?

  - by Alerty

  I heard some people complaining about including the windows header file in a C++ application. They mentioned that it is inefficient. Is this just some urban legend or are there really some real hard facts behind it? In other words, if you believe it is efficient or inefficient please explain how this can be with facts. I am no C++ Windows programmer guru. It would really be appreciated to have detailed explanations.

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• Convert multi-dimensional list to a 1D list in Python

  - by Sayan

  Hello, A multidimensional list like l=[[1,2],[3,4]] could be converted to a 1D one by doing sum(l,[]). Can anybody please explain how that happens? Thanks, Sayan

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• how to install xdebug on mac for xampp?

  - by ajsie

  i've installed xampp on mac but i cant install xdebug. followed some tutorials on the net without results. someone could explain simple steps or show me a good tutorial about this?

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• When using spring and hibernate, how are sessions/transactions handled?

  - by Blankman

  when using hibernate with spring, can someone explain how the session unit of work and transactions are handled? is the transaction started at the beginning of the page request, and committed at the end? can I have multiple db calls per request, that each have different transaction levels? e.g. some are left as default, while others are read-uncommitted?

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• Cannot find a free socket for the debugger in eclipse

  - by rose

  Hi, when i try to debug the java programe , it says "Cannot find a free socket for the debugger in eclipse".Could you explain how to resolve the error ?

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