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  • Using the pluralize method in a rake task

    - by Scott S.
    I know this seems silly, but I would like to call some of Rails' Text Helpers in a rake task I am setting up. (Thinks like the pluralize and cycle method: http://api.rubyonrails.org/classes/ActionView/Helpers/TextHelper.html) How would you go about making these available in a rake task, or is it not easily possible?

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  • J2SE Client Server App: Client calls RMI method. Server handles RMI method and returns, but Client

    - by Mike
    J2SE Client Server App: Client calls RMI message. Server handles RMI method and returns, but Client never receives it. Any ideas how this could happen? Our attempted solution is to set client read timeouts and come up with a framework for resending requests or otherwise handling those failures gracefully. But really, I'd like to know any root causes for how this might happen rather than addressing the symptoms.

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  • Base Case in a recursive method

    - by Shaza
    Hey all, About my question, I'm asking a theoretical question here about Base case or the halting case in a recursive method, what's its standards? I mean, is it standard not to have body in it, just a return statement? Is it always like the following: If(input operation value) return sth; Do you have different thoughts about it??

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  • Selenium 2.0 / WebDriver clickAt() method unsupported

    - by Muers
    Selenium clickAt() function is throwing "Unsupported" exception while using with WebDriver (WebDriverBackedSelenium or just Selenium 2.x using ChromeDriver). Is there any way to use this Selenium function via WebDriver? Adding some code for context ... ChromeDriver driver = new ChromeDriver(); driver.findElement(By.id("someID")).clickAt("25, 25"); .clickAt() method isn't even recognized ... however, using the WebDriverBackedSelenium is what provides the Unhandled exception.

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  • How to create a subject helper method in Rspec2

    - by Hedgehog
    In rpsec 2.12 I expected this helper method definition to work: module X private def build_them(type) puts 'Catching the star' end end context 'public/private instance methods' do subject{ Class.new { extend(::X) } } def subject.build(type) puts "Throwing a star" build_them(type) end it{ should respond_to :build} end The actual result is a failed spec: expected #<Class:0x00000002ea5f90> to respond to :build I expected the example to pass Any suggestions on how to do this correctly?

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  • How do I pass an ArrayList to method that takes a collection as an input

    - by Ankur
    I want to pass some ArrayList X into method a(Collection someCol) that takes Collection as an input. How can I do this? I thought an ArrayList was a Collection and thus I should be able to "just do it" but it seems that Collection is an interface and ArrayList implements this interface. Is there something I can do to make this work ... if you understand the theory that would also help me and possibly lots of other people. Thanks

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  • drawRect:rect how to call this method , I am using to draw a string

    - by user338322
    -(void)drawRect:(CGRect)rect { CGContextRef context = UIGraphicsGetCurrentContext(); CGContextSelectFont(context, "Arial", 24, kCGEncodingFontSpecific); CGContextSetTextPosition(context,80,80); CGContextShowText(context, "hello", 6); //not even this works CGContextShowTextAtPoint(context, 1,1, "hello", 6); } I want to kn ow how to call above method, i have paste above code in the implemntation file simply, but dont know why its not called when i execute the project, can some one

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  • Raising events vs direct method calls differences

    - by dotnetdev
    Hi Raising an event, will call its event handler. eg http://msdn.microsoft.com/en-us/library/aa645739%28VS.71%29.aspx What is the difference between using the events mechanism and direct calls to other methods (eg if a condition is met in method A(), call B() )? And what is the difference between consuming and raising events? Thanks

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  • invoke a method on the click of backbutton

    - by praseed
    hi friends... Does anyone know how can i invoke a method on the click of the backbarButton of a viewcontroller... wat i have are two table view controllers..one list view and another detail view.... the detail view is pushed in to the navigation controller when an item is clicked in the list view. when the Back bar button is clicked i want to invoke a function... Pls any help will be appreciated..

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  • Try method in powershell

    - by Willy
    So I want to build a try method into my powershell script below. If I am denied access to a server, I want it to skip that server. Please help.. [code]$Computers = "server1", "server2" Get-WmiObject Win32_LogicalMemoryConfiguration -Computer $Computers | Select-Object ` @{n='Server';e={ $_.__SERVER }}, ` @{n='Physical Memory';e={ "$('{0:N2}' -f ($_.TotalPhysicalMemory / 1024))mb" }}, ` @{n='Virtual Memory';e={ "$('{0:N2}' -f ($_.TotalPageFileSpace / 1024))mb" }} | ` Export-CSV "output.csv"[/code]

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  • what is the purpose of getEventType() method in XMLStreamReader Class

    - by KItis
    I have sample code written for parsing xml file using javax.xml package. it uses the method called getEventType() , but I can not understand the purpose of this method. i wrote simple application to understand its usefulness, but it output only some random numbers for which I can not make any sense, could some one help me to get this point right. Here is the sample code I have written. public List parseXML(File f) throws XMLStreamException{ xmlInputFactory = new WstxInputFactory(); xmlInputFactory.setProperty(XMLInputFactory2.IS_REPLACING_ENTITY_REFERENCES, Boolean.FALSE); xmlInputFactory.setProperty(XMLInputFactory2.IS_SUPPORTING_EXTERNAL_ENTITIES, Boolean.FALSE); xmlInputFactory.setProperty(XMLInputFactory2.IS_COALESCING,Boolean.FALSE); xmlInputFactory.setProperty(XMLInputFactory2.IS_VALIDATING,Boolean.FALSE); xmlInputFactory.configureForSpeed(); List<Task> tasks = new LinkedList<Task>(); //xmlStreamReader = xmlInputFactory.createXMLStreamReader(new StringReader(dmml)); xmlStreamReader = xmlInputFactory.createXMLStreamReader(f); int eventType = xmlStreamReader.getEventType(); eventType = xmlStreamReader.next(); System.out.println(eventType); eventType = xmlStreamReader.next(); System.out.println(eventType); eventType = xmlStreamReader.next(); System.out.println(eventType); eventType = xmlStreamReader.next(); System.out.println(eventType); eventType = xmlStreamReader.next(); System.out.println(eventType); eventType = xmlStreamReader.next(); System.out.println(eventType); eventType = xmlStreamReader.next(); System.out.println(eventType); eventType = xmlStreamReader.next(); System.out.println(eventType); eventType = xmlStreamReader.next(); System.out.println(eventType); eventType = xmlStreamReader.next(); System.out.println(eventType); eventType = xmlStreamReader.next(); System.out.println(eventType); /*String currentElement = ""; String currentElementText = ""; }

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  • How to call a generic method through reflection

    - by milan
    Hi, is it possible to call with reflection a method with "explict type argument" <S> definition e.g. oObject.Cast<S>() ? where is: IList <P> oObject = new List <P>(); I tried with oObject.getType().InvokeMember( "Cast", BindingFlags.InvokeMethod, null, oObject, null) but it does not work, does anyone know why?

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  • How to return string name of calling method?

    - by keruilin
    Right now my code works as such: def method_a self.method_b ==> 'method_b' end def method_b puts self.name_of_calling_method end def name_of_calling_method if /`(.*)'/.match(caller.first) return $1 else return nil end end Instead of method_b printing 'method_b', how can I print the name of the calling method - 'method_a'?

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  • How to find out if a method exists in Obj-C when given an NSString

    - by Justin
    I have a method as an NSString *. If it exists, I want to call it, and if not, do nothing. SEL eventSelector = NSSelectorFromString(eventSelectorStr); if ([delegate respondsToSelector:eventSelector]) { [delegate performSelector:eventSelector]; [delegate adapterDidFinishAdRequest:self]; } else { // Does not implement selector } This code does not work, since NSSelectorFromString will register the string as a selector, so respondsToSelector:eventSelector will cause a crash because the selector is actually invalid.

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  • C# Extension Method for String Data Type

    - by Jimbo
    My web application deals with strings that need to be converted to numbers alot - users often put commas, currency symbols etc. in these fields so what I want to do is create a string extension method that cleans the field up and converts it to a decimal. For example: decimal myNumber = "$1,250.85".ToDecimal(); Can anyone help with this? Thanks!

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  • Client-side Twitter API method using XMLHttpRequest?

    - by user359239
    Does (or did) Twitter ever have a method in their API that allowed client-side HTTP requests without producing any cross-domain issues? I have a site that used the following url: http://search.twitter.com/search.json?q=from%3adaleyjem&rpp=3&page=1&callback=? It once worked, but now it doesn't. Is there something else I should be using, or do I have to make a request to my own server-side code?

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  • Mysterious newInstance method

    - by songsungkyun
    First I show some code. library: axis.jar, dom4j.jar jdk1.5, windowsXP T.java import java.io.StringWriter; import org.apache.axis.utils.StringUtils; import org.dom4j.DocumentHelper; import org.dom4j.io.OutputFormat; import org.dom4j.io.XMLWriter; public class T { public T() { System.out.println("constructor"); } public void test() { System.out.println(StringUtils.unescapeNumericChar("1")); } public String getPrettyXML(String xml) throws Exception { System.out.println("getPrettyXML"); StringWriter sw = new StringWriter(); XMLWriter writer = null; try { OutputFormat format = OutputFormat.createPrettyPrint(); org.dom4j.Document document = DocumentHelper.parseText(xml); writer = new XMLWriter(sw, format); writer.write(document); } catch (Exception e) { throw e; } finally { if (writer != null) { try { writer.close(); } catch (Exception e) { } } } return sw.toString(); } public void a() { System.out.println("a"); } public static void main(String[] args) { new T().test(); } } T2.java public class T2 { public static void main(String[] args) throws Exception { System.out.println("T2"); T t = (T) Class.forName("T").newInstance(); } } Ok, here we go... run as (Of course, I'm run at the directory where T.class, T1.class is) java T2 as you can see, not exist class path. ==console== T2 constructor OK... Now delete throw e line at the catch block on the "getPrettyXML" method of T. Ok, here we go.. run one more time without classpath java T2 You can see below... ==console== T2 Exception in thread "main" java.lang.NoClassDefFoundError: org/dom4j/io/OutputFormat at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Unknown Source) at T2.main(T2.java:5) I know that it's not very important for my life or your life. But it's so mysterisou to me, and my all curiosity. thanks.. ^^

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  • Add custom method to string object [closed]

    - by cru3l
    Possible Duplicate: Can I add custom methods/attributes to built-in Python types? In Ruby you can override any built-in object class with custom method, like this: class String def sayHello return self+" is saying hello!" end end puts 'JOHN'.downcase.sayHello # >>> 'john is saying hello!' How can i do that in python? Is there a normally way or just hacks?

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