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  • Lambda Expressions

    - by Asad Khan
    Can somebody explain me lambda expressions & what they can be used for. I have googled for it & have a rough idea. most of the examples give c# code. How about lambda expressions in plain old C...?

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  • What is a database file system?

    - by Ravi
    I have a very little idea about what database file system is. Can somebody out here explain to me what actually a database file system is, and what its applications are? How is it different from a conventional file system? How I can build it?

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  • class, dict, self, init, args ?

    - by kame
    class attrdict(dict): def __init__(self, *args, **kwargs): dict.__init__(self, *args, **kwargs) self.__dict__ = self a = attrdict(x=1, y=2) print a.x, a.y b = attrdict() b.x, b.y = 1, 2 print b.x, b.y Could somebody explain the first four lines in words? I read about classes and methods. But here it seems very confusing.

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  • c++ mysql++ librarys

    - by stefan
    hello, i want a mysql connection with c++ to my db ofcourse :P, i downloaded the files here: http://tangentsoft.net/mysql++/ But im not succesfull to install it and get the librarys in the c:/mysql++ folder. can somebody help / do it for me and upload it :). THNX! greetz stefan

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  • How to Render Partial View into an Object

    - by DaveDev
    Hi all, I have the following code: public ActionResult SomeAction() { return new JsonpResult { Data = new { Widget = "some partial html for the widget" } }; } I'd like to modify it so that I could have public ActionResult SomeAction() { // will render HTML that I can pass to the JSONP result to return. var partial = RenderPartial(viewModel); return new JsonpResult { Data = new { Widget = partial } }; } is this possible? Could somebody explain how?

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  • Currency Mask

    - by Helena
    I need to create a currency mask. I did lines of command and it's works fine, but when i set the value in textfield, occurred infinit loop. I monitoring the textfield with Editing Changed behavior, to catch each caracter that the user set, but when i try to change the text value, the infinity loop happens. :( Somebody have a simple code?

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  • how can I get MOBILE phone number from contacts

    - by sungpil yoon
    Hi, I am trying to get mobile phone number from Android contacts. I found several examples using People.NUMBER, but it seems that brings home phone number not MOBILE phone number. I want to accomplish this using old way instead of using ContactsContract. Can somebody show simple code example how this can be done? Thank you very much.

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  • Why the concept of "Covariance" and "Contravariance" are applicable while implementing the methods o

    - by Amy
    The use case is some what like this: public class SomeClass: IClonable { // Some Code //Implementing interface method Public object Clone() { //Some Clonning Code } } Now my question is "Why is it not possible to use "SomeClass(As it is derivd from objec)" as a return type of Clone() method if we consider the Funda's of Covariance and Contravariance. Can somebody explain me the reason behind this implemementaion of Microsoft ????

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  • My profile avatar doesn't work! [closed]

    - by Nam Gi VU
    How can I change my avatar on stackoverflow.com? I click the change picture link in my profile but it link to gravatar website, then I select the picture for my gravatar associated with my email. But my avatar on stackoverflow.com still not changes after 24hours as announced. Somebody has a work-around? Please help!

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  • What is the new name of Microsoft.Data.Entity.Ctp?

    - by Anonymous Coward
    Hello Everyone I'm playing around with Entity Framework 4 and code only. The tutorial I'm following is using the Beta-Version of Visual Studio 2010 and is referring to Microsoft.Data.Entity.Ctp. Since I'm working with the final release of Visual Studio the name of the dll must have changed. Can somebody tell me how its name is now? Cheers, AC

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  • The "Update" button in ArcFM Attribute Editor is disabled.

    - by Vinay
    I am not been able to update any of the attributes in one of my feature classes using the Arc FM Attribute editor, but I am able to update it thru the ESRI Attribute editor. Please lemme know if somebody knows the reason. I am using Arc SDE 9.3.1 with ArcFM 9.3 and ArcMap 9.3 Note:I am in selection Tab and not in Target tab. Please let me know if sombody can figure out the reason. Vinay [email protected]

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  • Why does rebase cause commit conflicts?

    - by llm
    Could somebody please explain to me why people warn about commit conflicts occuring from a rebase operation? I tried reading about this by searching google but had some trouble understanding. If it matters, I am using ClearCase revision control.

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  • Access denied when start sqlexpress from command line

    - by Brettski
    Windows 7 computer running SQL Server Express 2008. When I try to run net start mssql$sqlexpress I receive an error: System error 5 has occurred. Access is denied The SQL service is running under "Network Service" account The service starts fine if I use the services window. Could somebody help me figure out why I am receiving this error?

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  • long polling netty nio framework java

    - by Alfred
    Hi, How can I do long-polling using netty framework? Say for example I fetch http://localhost/waitforx but waitforx is asynchronous because it has to wait for an event? Say for example it fetches something from a blocking queue(can only fetch when data in queue). When getting item from queue I would like to sent data back to client. Hopefully somebody can give me some tips how to do this. Many thanks

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  • ICU add custom character set detection

    - by user294787
    Hi everybody, Does somebody know how ICU Charset Detector's data is built. And is it difficult to add additional languages? For example, I saw in the bug tracker that a ticket for the detection of Thai is opened since 2007 but nothing new until today. Thanks

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  • Why static fields are not initialized in time?

    - by Tom Brito
    Somebody tell me: class MyClass { private static MyClass myClass = new MyClass(); private static final Object obj = new Object(); public MyClass() { System.out.println(obj); // will print null once } } I wonder, isn't this a bug? Why static objects are not initialized before the constructor runs?

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