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• Why does trying to understand delegates feel like trying to understand the nature of the universe?

  - by Kin

  I've read two books, tons of examples. They still make next to no sense to me. I could probably write some code that uses delegates, but I have no idea why. Am I the only one with this problem, or am I just an idiot? If anyone can actually explain to me when, where, and why I would actually use a delegate, I'll love you forever.

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• ApplicationContext ctx = new FileSystemXmlApplicationContext error

  - by GigaPr

  Hi I am completely new to Java, so sorry if my question may sound a bit stupid. I am following a tutorial on hibernate and i am trying to get the context definition files from the file system. ApplicationContext ctx = new FileSystemXmlApplicationContext( new String[] { "conf/rssWebApplication-services.xml", "conf/rssWebApplication-data-hibernate.xml" }); But i get the following error: found : org.springframework.context.support.FileSystemXmlApplicationContext required: org.jboss.weld.context.ApplicationContext ApplicationContext ctx = new FileSystemXmlApplicationContext( new String[] { "conf/rssWebApplication-services.xml", Any idea what is the problem? Thanks

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• traits in php – any real world examples/best practices?

  - by Max

  Traits have been one of the biggest additions for PHP 5.4. I know the synatax and understand the idea behind traits, like horizontal code re-usage for common stuff like logging, security, caching etc. However, I still dont know yet how I would make use of traits in my projects. Are there any open source projects that already use traits? Any good articles/reading material on how to structure architectures using traits?

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• Breaking up in String data while XML parsing in java?

  - by Praveen Chandrasekaran

  while xml parsing, i have a string value like this : android &#38; iphone but my parsed value(output what i am getting) is just: android then i used the normalize method it comes : android iphone But i need a output like: android & iphone How to do that? Any Idea?

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• How to dock an application in the Windows desktop?

  - by Sacha

  I would like to develop a small notifications application for Windows in .NET that docks on the right/left side of the screen (not consuming more than 300px), should always be visible and force the rest of windows to not overlap this application (something like the old Office taskbar or Vista's Sidebar). I have no idea where to start. Can it be done using XAML/WPF? Since I haven't even started coding any option is valid at this point. Thanks!

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• How to trigger an application in mobile automatically

  - by san6086

  My idea is to make an application start automatically when a message from a specific user reaches the inbox of the mobile . For example if my friend sends some numbers to my mobile, the sms has to be read and validated first and then calculator ( inbuilt mobile application) has to be triggered and process the numbers from the message. Please help me with the above query.

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• views count calculation

  - by Alexey Poimtsev

  Hi, could you give me idea how to calculate unique views of page? If i will increase counter on each page load it will be no good, otherside storing information of viewed pages in session looks like not ideal solution.

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• [Iphone]How to get the length of one text string under one specific font with no word wrap.

  - by semix

  Hi I am new as a Iphone developer. I am wondering how to get the length of a given string under one specific UIFont, WITHOUT line word wrap. say I have a NSString* lpText = @"a unknon lenght string ..... string" //could be very long and I am using the "Times New Rome" font for rendering... Any idea? Thanks in advance.

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• UIDatePicker Localizatiion Problem.

  - by user128647

  Hi, How to Localized UIDatePicker according to language selection from the application. UIDatePicker has locale property so how to use please give idea. Thank You.

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• SharePoint (2010): Field for (multi) currency...?

  - by TomTom

  Hello, old problem now getting new. Anyone has a good idea for storing currency values in a sharepoint list? Problem is - there is a currency field, but it is not multi-currency enabled. I could obviously store the value in two fields (currency lookup from a list, value in second field), but I take it as wondering whether there is a more viable approach that.

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• Why does 'url' not work as a variable here?

  - by kryptobs2000

  I originally had the variable cpanel named url and the code would not return anything. Any idea why? It doesn't seem to be used by anything else, but there's gotta be something I'm overlooking. import urllib2 cpanel = 'http://www.tas-tech.com/cpanel' req = urllib2.Request(cpanel) try: handle = urllib2.urlopen(req) except IOError, e: if hasattr(e, 'code'): if e.code != 401: print 'We got another error' print e.code else: print e.headers print e.headers['www-authenticate']

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• Blackberry - Programmatically extract/open zip file

  - by KKlucznik

  I have looked online with mixed results, but is there a way to programmatically extract a zip file on the BB? Very basic my app will display different encrypted file types, and those files are delivered in a zip file. My idea was to have the user browse to the file on their SDCard, select it, and I extract what i need as a stream from the file. is this possible?

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• Possible ways to keep XP admin password encrypted using c#

  - by srk

  My application runs on windows XP restricted user account. The application needs Domain Name, Admin User ID, Admin Password in order to work out with Impersonation class for executing some piece of code with admin privileges. The Admin will also change the Password every 90 days. Due to security reasons, i cannot maintain the admin credentials in my app.config file. What else would be best idea ?

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• how to change constraints errors messange in grails

  - by nightingale2k1

  Hi, I have domain with constraints like min value must greater than 0 I have no idea how to change the message if the constraints are not passed. which file i need to edit to do that ? I also need to display the value as well .. like "you cannot make any transaction because your balance is less than 100. Your current balance is xxxx "

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• Highlighted text popup widget... What to call it and where to find the Javascript?

  - by dacracot

  I recall seeing a web site that when you highlighted/selected text on their page, it produced a small balloon just to the upper right, which was clickable and would perform some action when clicked. I have an application where this type of interface would be appropriate for my users. But... I haven't any idea what to call this widget nor where to start from scratch.

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• A better name for INeedSomething... ?

  - by Daniel Severin

  I was trying pick a name for an interface through which I can pass something into an object like: If the object is INeedX then SetX(some x) method will be called; If the object is INeedY then SetY(some y) method will be called; and so on. (funny as hell, I know :) ) I try to find a different name for this kind of interfaces but I can't figure this out. Does anybody have an idea how to name the INeedSomething interface ?

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• Perl: is there a simple way to validate a hash of hash element exist and defined?

  - by WL

  I need to validate a Perl hash of hash element such as $Table{$key1}{$key2} exist and defined. Here is what i do. (i have no idea key1 even exist) if ((defined $Table{$key1}) && (exists $Table{$key1}) && (defined $Table{$key1}{$key2}) && (exists $Table{$key1}{$key2})) { #do whatever } Is there an easier and cleaner way to do it?

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• Maven for PHP + PHPUnit version newer than 3.3.9 not working

  - by Softy

  I want to use Maven for PHP with PHPUnit but when I run my tests with "mvn test" I get this error: http://pastie.org/948377 This happens only when I use a version newer than 3.3.9 for PHPUnit. The tests work just fine with PHPUnit 3.3.9. Any idea?

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• Page modules like DNN in asp.net mvc

  - by jalpesh

  I want to create a dnn like page modules in asp.net mvc site. Can any one have idea how i can do that. I am using asp.net mvc2. Any tip of code will be great help Thanks in advance.

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• Performance issue when web.config is really huge

  - by Kayes

  Does it have any major effect on performance/ memory if my web.config is really huge (say, 1000+ entries in <appSettings>)? Is it a good idea to maintain a different custom xml config file for all business specific settings for my app? Thanks.

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• Invoke rake task from ActiveRecord observer

  - by auralbee

  Can I do the following? def ModelObserver < ActiveRecord def after_save Rake::Task[name].invoke end end At the moment, this returns the following error: Don't know how to build task 'name' Any idea?

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• How to serialize a Linq to Sql object graph without hiding the child's "Parent" member

  - by Richard B

  Without hiding the Child object's reference to the Parent object, has anyone been able to use an XmlSerializer() object to move a Linq to SQL object to an XML document, or is the only appropriate way of handling this to create a custom serialization/deserialization class to handle moving the data to/from the xml document? I don't like the idea of hiding the child object's reference to the parent object is why I'm asking. Thx.

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• How to search a pdf after opening it from a new intent?

  - by Nate

  I've used the code from the PDF rendering question http://stackoverflow.com/questions/2883355/how-to-render-pdf-in-android And it works! Props to the answerer, but my question is about doing that same thing but also sending a keyword to search in the pdf. I have no idea how to do this, should I set a flag? Any help would be greatly appreciated.

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• Symfony 1.3: the signin form appears even when i have the security set to false

  - by user248959

  Hi, i have installed sfDoctrineGuardExtraPlugin and when i try to execute an action from sfGuardRegister or sfGuardForgotPassword i get the sfDoctrineGuardUser signin form. I have the security set to false. I don't have that problem with other modules. Any idea? sfDoctrineGuardExtraPlugin 1.3 and sfDoctrineGuardPlugin 4. Javi

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• Why RSA Decryption process takes longer time than the Encryption process?

  - by Tara Singh

  I have some idea that it is due to some complex calculation, but i want to know about what exactly happens which takes long time than the corresponding encryption process. Any link to webpage or paper would be of great help. Thanks Thanks for the answers, One more Doubt, What about the Signing and verification? Will this time difference be there for Signing and verification also? Ex. Signing requires more time than Verification?

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