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• R: Removing object from parent environment using rm()

  - by user151410

  Hi, I am trying to remove an object from the parent environment. rm_obj <- function(obj){ a <-deparse(substitute(obj)) print (a) print(ls(envir=sys.frame(-1))) rm(a,envir=sys.frame(-1)) } > x<-c(1,2,3) > rm_obj(x) [1] "x" [1] "rm_obj" "x" Warning message: In rm(a, envir = sys.frame(-1)) : object 'a' not found This will help clarify my misunderstanding regarding frames. Thanks in advance, Russ

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• How to mirror a half 3D mesh object ?

  - by Turhan COMEZ

  Hi All, Let assume that we have a half 3D mesh object and want to mirror it, in C# 2008 Express. That is, we want to have its simetrical part according to the center line of the object. Could you help me to do that. Thanks in advance.

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• Firefox extension object instantiating

  - by Michael

  I want my javascript object to be initialized just once, so each new browser window will not create new data items, new functions, etc... usually we initialize the code at the end of main javascript using load window.addEventListener("load", main.onLoad, false); so once the second browser window opened, the initialization code will start from scratch. However, I would like to re-use the existing object on consequent browsers. Any mechanism that I can use?

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• Efficient code to avoid circular references in c# object model

  - by Kumar

  I have an excel like grid where values can be typed referencing other rows To check for circular references when a new value is entered, i traverse the tree and create a list of values referenced thus far, if the current value is found in this list, i return an error thus avoiding a circular reference. This is infrequent enough where extreme performance is not an issue but... Question - is there a better way ? I'm told it's not the most optimal but no answer was provided so on to the experts @ SO :)

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• Get the largest value from Json object with Javascript

  - by neilc

  Hi This should be an easy one. I just cant figure it out. How do I get the largest value from this piece of JSON with javascript. {"data":{"one":21,"two":35,"three":24,"four":2,"five":18},"meta":{"title":"Happy with the service"}} The key and value I need is: "two":35 as it is the highest thanks

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• EF Query Object Pattern over Repository Example

  - by Dale Burrell

  I have built a repository which only exposes IEnumerable based mostly on the examples in "Professional ASP.NET Design Patterns" by Scott Millett. However because he mostly uses NHibernate his example of how to implement the Query Object Pattern, or rather how to best translate the query into something useful in EF, is a bit lacking. I am looking for a good example of an implementation of the Query Object Pattern using EF4.

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• Accessing underlying managed object through a COM interface

  - by mfeingold

  I have a third party assembly with a public abstract class implementing a certain COM interface. Something to the effect of [ComVisible(true)] public abstract class SomeClass: ISomeInterface { .... public void Method1() {...} } The actual object is an internal object extending the SomeClass and is instantiated by the third party code Is there a way to access public methods of this class if all I have is the CCW to the ISomeInterface?

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• Slider value available between different cocoa classes

  - by Miguel Bayona

  I am playing around with an iPhone app, and need to accomplish something that I am sure is very basic: I have a slider that is implemented in a Controller.m class. However, I need its value must be available in a different class, MainView.m class where I have defined an equation that depends on the value of the slider. How can I do it?? Thanks, Miguel Bayona

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• Spring, autowire @Value from a database

  - by Guido

  I am using a properties File to store some configuration properties, that are accessed this way: @Value("#{configuration.path_file}") private String pathFile; Is it possible (with Spring 3) to use the same @Value annotation, but loading the properties from a database instead of a file ?

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• Drupal Forms - Setting a Default Value

  - by JR

  I am using the webform module for Drupal 6 and would like to set a default value for the confirmation message of the webform whenever it is created. Would I have to create my own module to set this form value whenever a user creates a new webform? Or would I have to implement a special hook to look for when a webform is created?

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• Regex Query to get string value

  - by Alex

  Hi all, I am looking for a regex query that would allow me to retrieve a value from a string here are examples of my string: home.aspx?StudyID=0020101&aa=72 randompage.aspx?studyid=3023603&aa=40 myconfig.aspx?studyid=0021600&aa=40 I need to get the numerical value of the 'studyid' variable, please note that the name of the page will change so simply doing the substring and counting char spaces didn't work I unfortunately cannot use request.querystring method as this string is stored in the database and a select statement will be used for running this regex query Thanks

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• set a text from a java object with new lines to a javascript variable in JSP

  - by machaa

  Hi, I've a Java String with new lines(\n), say for example String value = "This is a variable\n\nfrom\nJava"; Now I've to set this to a Javascript variable in a JSP file, <script>var val = '<%= value %>';</script> But because of the new lines in the above line, I'm getting javascript error "Unterminated String". Please help me.

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• jQuery jPicker users: hexadecimal returns 8 digit value?

  - by Scott B

  I've just about got the jPicker script working flawlessly in my app. However, the value it returns contains 8 digits. Example: 212ebcff Is there a preset variable that forces jPicker to return a 6 digit hex value?

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• get particular column value

  - by zahir hussain

  i want take the particular column all value in multidimensional array... i need to get the value of or column ("rose","daisy","orchid")... how do get?

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• Unable to cast object of type MyObject to type MyObject

  - by Robert W

  I have this scenario where a webservice method I'm consuming in C# returns a Business object, when calling the webservice method with the following code I get the exception "Unable to cast object of type ContactInfo to type ContactInfo" in the reference.cs class of the web reference Code: ContactInfo contactInfo = new ContactInfo(); Contact contact = new Contact(); contactInfo = contact.Load(this.ContactID.Value); Any help would be much appreciated.

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• object reference is not set to an instance of an object in sharepoint while deploying the webpart us

  - by girish

  Hello, i m new to sharepoint and i m trying to create one webpart (hello word) in visual studio 2008 using sharepoint extension... solution is successfully build but it gives me error as soon as i start deploy it.... I have specified the Sharepoint site url in the Project solution property.... Can u please give me suggession for this why i m getting the error...Object Reference not set to an instance of an object.

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• MySQL - biggest value from two fields

  - by Qiao

  I need to get the biggest value from two fields: SELECT MAX(field1), MAX(field2) Now, how can I get biggest value from these two?

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• ASP.Net check value with DBNULL

  - by c11ada

  hey all, i have the following code foreach (DataRowView dr in Data) { if (dr == System.DBNull.Value) { nedID = 1; } } but i get the following error Operator '==' cannot be applied to operands of type 'System.Data.DataRowView' and 'System.DBNull' please can some one advice me on how i can check if the value is null or DBNULL

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• What is the best way to convert a zope DateTime object into Python datetime object?

  - by Erika Schuller

  I need to convert a zope 2 DateTime object into a Python datetime object. What is the best way to do that? Thanks, Erika

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• JavaScript check if anonymous object has a method

  - by Baddie

  How can I check if an anonymous object that was created as such: var myObj = { prop1: 'no', prop2: function () { return false; } } does indeed have a prop2 defined? prop2 will always be defined as a function, but for some objects it is not required and will not be defined. I tried what was suggested here: http://stackoverflow.com/questions/595766/how-to-determine-if-native-javascript-object-has-a-property-method but I don't think it works for anonymous objects .

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• pushing the button of cancel the value must return the initial value but it dosn't work.

  - by iosonoleggenda

  $(function(){ // Dialog $('#mdialog').dialog({ autoOpen: false, width: 320, buttons: { "Apply": function() { <!--alert($('#slider').slider('option', 'value'));--> try{ SendCommandToAO($('#slider').slider('option', 'value'), 'AO=a1c1p1', 0, 65535, 0, 65535, -1); }catch(e){ //Fool } //$(this).dialog("close"); }, "Cancel": function() { $(this).dialog("close"); } } });

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• Make the selectedValue in bound combobox accept a Null value

  - by msfanboy

  Hello, I have a combobox bound to a bindingsource. The user must be able to set a null value as selected value. How can I achieve that without making the combobox unbound?

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• Srping, autowire @Value from a database

  - by Guido

  I am using a properties File to store some configuration properties, that are accessed this way: @Value("#{configuration.path_file}") private String pathFile; Is it possible (with Spring 3) to use the same @Value annotation, but loading the properties from a database instead of a file ?

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• Copy object values in Visual Studio debug mode

  - by Farinha

  In Visual Studio debug mode it's possible to hover over variables to show their value and then right-click to "Copy", "Copy Expression" or "Copy Value". In case the variable is an object and not just a basic type, there's a + sign to expand and explore the object. It there a way to copy all that into the clipboard?

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• Object allocate and init in Objective C

  - by Ronnie Liew

  What is the difference between the following 2 ways to allocate and init an object? AController *tempAController = [[AController alloc] init]; self.aController = tempAController; [tempAController release]; and self.aController= [[AController alloc] init]; Most of the apple example use the first method. Why would you allocate, init and object and then release immediately?

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