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  • Java : method to to print relative pathname?

    - by HH
    I am hesitant just to look at some env.vars and try to replace things with regexes. So is there a ready method to print relative pathnames system-independently? $ echo ~ /u/user $ pwd /u/user/OH/one/src $ echo "Like relative pathnames ~/OH/one/src, not /u/user/OH/one/src."

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  • Refactor instance declaration from try block to above try block in a method

    - by dotnetdev
    Hi, Often I find myself coming across code like this: try { StreamWriter strw = new StreamWriter(); } However, there is no reference to the object outside the scope of the try block. How could I refactor (extract to field in Visual Studio says there is no field or something) the statement in the try block so that it is declared above the try block so I can use it anywhere in the method? Thanks

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  • Getting "undefined method" error on form select in cucumber

    - by zlog
    I'm trying to visit a page with cucumber, with: visit new_video_path but I get this error: undefined method `episode_id' for #<Video:0x22df8dc> (ActionView::TemplateError) On line #19 of app/views/videos/_form.html.erb ... 19: <%= select(:video, :episode_id, @episodes.collect {|e| [ e.title, e.id ] }, { :include_blank => true }) %> It loads fine in the browser, and the form processes fine too. What did I do wrong?

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  • flex: cant edit item in Datagrid with override set data method

    - by Markus
    Hi everybody, I've a custom itemRenderer for my datagrid. To set the actual data I use the following method: override public function set data(side:Object):void{ ... } As soon as I use this function the cell doesn't show up any item Editor anymore. Why is that? When I remove this function the itemEditor is working but with the wrong initialization data... What's the proper way to handle this? Thanks, Markus

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  • overwrite blackberry's send sms/mail method

    - by Luis Armando
    I haven't been able to found this on Google, so I thought maybe somene here knew if this was possible and if so, how to implement it =) thanks in advance for any answers! What I am aiming for is overwriting this method so I can perform some actions before the sms/mail gets sent, then just allow it to perform its normal actions.

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  • Java: remove-common-words-method in the API?

    - by HH
    Related: Forum post Before reinventing the wheel, I need to know whether such method exists. Stripping words according to a list such as list does not sound challenging but there are linguistic aspects, such as which words to stress the most in stripping, how about context?

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  • Method/function overrides in Codeigniter

    - by pingu
    Hi guys, I want to override the validation_errors() method of the form helper in CodeIgniter for one controller only, so that it will display a single error message (as a sentence in plain english) instead of the detailed line item summary. I've tried defining a validation_errors() function in my controller, which is what I usually do with Silverstripe's Sapphire framework, but this won't with CI. What's the best way to override methods for a case by case basis?

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  • Is there a difference between only <NSXMLParserDelegate>, only setDelegate method, or the use of bot

    - by gotye
    Hey, I noticed that when I do this : [myParser setDelegate:self]; it works :D (even if I didn't add the code in the header file ... you know, the <delegateStuff, delegateOtherStuff> in the interface declaration) When are you supposed to modify the header file to make your delegate work ? Is the setDelegate method enough to make it work ? Cheers for any help ;) Gauthier

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  • toString method for varargs contructor

    - by owca
    I have a varargs contructor like this : public class Sentence { public String[] str; public Sentence(Object... text){ StringBuilder sb = new StringBuilder(); for (Object o : text) { sb.append(o.toString()) .append(" "); } System.out.println(sb.toString()); } } Contructor can get various types of data (ints, strings, and Sentence objects as well). How to do a proper toString method for such class ?

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  • Java-Instance Method Call

    - by Gogi
    When I call as instance method of a class as follows : object_name.function_name(); how the compiler knows that the "function_name" has to be called for that "object_name" behind the scenes ?

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  • Validating method arguments with Data Annotation attributes

    - by schemer
    The "Silverlight Business Application" template bundled with VS2010 / Silverlight 4 uses DataAnnotations on method arguments in its domain service class, which are invoked automagically: public CreateUserStatus CreateUser(RegistrationData user, [Required(ErrorMessageResourceName = "ValidationErrorRequiredField", ErrorMessageResourceType = typeof(ValidationErrorResources))] [RegularExpression("^.*[^a-zA-Z0-9].*$", ErrorMessageResourceName = "ValidationErrorBadPasswordStrength", ErrorMessageResourceType = typeof(ValidationErrorResources))] [StringLength(50, MinimumLength = 7, ErrorMessageResourceName = "ValidationErrorBadPasswordLength", ErrorMessageResourceType = typeof(ValidationErrorResources))] string password) { /* do something */ } If I need to implement this in my POCO class methods, how do I get the framework to invoke the validations OR how do I invoke the validation on all the arguments imperatively (using Validator or otherwise?).

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  • Method collect on Scala 2.7

    - by Brian Heylin
    I'm looking for a collect method in scala 2.7 but I can't seem to find an applicable call. Is there something equivalent to collect that I can use in scala? To be clear I'm looking to filter elements from a list and map those filtered to a new type.

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  • Rails Scaffold problem # undefined method `edit_pais_path'

    - by Bruno Cordeiro
    I created a scaffold of named pais (This is a word in Portuguese of Brazil and is the same that country), i created using the follow command: ruby script\generate scaffold pais name:string abreviattion:string First I changed the inflections to my local idiom, like that: inflect.plural /^([a-zA-z]*)s$/i, '\1ses' #The plural of Pais is Paises And when I tryied to open the page on http://localhost:3000/paises I'm receiving the follow error: undefined method `edit_pais_path' for #<ActionView::Base:0x387fdf4> Thanks in advance.

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  • What is an efficient method for partitioning and aggregating intervals from timestamped rows in a da

    - by mattrepl
    From a data frame with timestamped rows (strptime results), what is the best method for aggregating statistics for intervals? Intervals could be an hour, a day, etc. I've found the aggregate function, but that doesn't help with assigning each row to an interval. I'm planning on adding a column to the data frame that denotes interval and using that with aggregate, but if there's a better solution it'd be great to hear it. Thanks for any pointers!

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