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  • Message reason why Execute method failed

    - by waanders
    I use the DAO method Execute to delete some records. If this fails this is clear by checking RecordsAffected (it will be 0). But is it possible to get the error message (for instance, to log or to show to the user)? I've try to delete the records by hand in the Table grid I get a clear dialog message, e.g. "The record cannot be deleted or changed because tabel x includes related records".

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  • Implementing prototypes OR instantiating class objects

    - by intuited
    I'm wondering how to implement prototypal inheritance in Python. It seems like the way to do this would be to either use a metaclass to cause instantiations to actually be classes, rather than objects, or use some magical powers to transform an existing object into a class. The second method would seem to be more flexible, in that it could be applied to existing objects of varied types, while the first would likely be more convenient for typical use cases. Insights on the practicality of these two approaches, as well as alternative suggestions, are hereby requested.

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  • Variable Binding Class

    - by Davis
    Hi, I believe this is a tough one... I'm trying to create a collection of variable binding in a class. It is intended to look something like this: Dim x as integer, s as string Dim c as new VBindClass x = 1 s = "Hello" c.Add x, s Debug.Print c.value(x) '= 1 Debug.Print c.value(s) '= "Hello" Is there some function that allow us to retrieve a unique ID for a given variable and also get/set based on variable?

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  • Creating an instance within the Class itself

    - by didxga
    What's going on when the assignment statement executed at Line 4, does compiler ignore the new operator and keep the foo variable being null or something else happen to handle this awkward moment? public class Foo { // creating an instance before its constructor has been invoked, suppose the "initializing" // gets printed in constructor as a result of the next line, of course it will not print it private Foo foo = new Foo();//Line 4 public Foo() { System.out.println("initializing"); } }

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  • Chrome not displaying Class set by jQuery or a Direct CSS property

    - by user186128
    This might seem like a bit of a design/css question but i really need some help. This is the page http://library.permilia.com/Gavin/version2.0_beta/lead.html It works on every browsers imaginable except chrome. By it works i mean it applies a class .error that sets the borders to 1px solid #f00 which is a red border. In chrome for some reason you cannot change it no matter what! Anybody got any ideas?

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  • C++ class pointer

    - by JHollanti
    I know that you can get a reference to a static method like this: typedef void (*pointer)(); pointer p = &MyClass::MyMethod; But is there a way to get a reference to the class itself?

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  • ajax onsucess method context

    - by mazhar kaunain baig
    function createSuccess(context) { $get(“result”).innerHTML = context.get_data(); } <% using (Ajax.BeginForm(new AjaxOptions {OnSuccess="createSuccess"})) {%> What does context holds in the createsuccess method? data return by controller? How do we return json data in the createsucess if so

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  • view parents' class members in netbeans navigator?

    - by fayer
    in the navigator i can only see the current class' members. is there a way to include the parents' members. cause it is very useful when working with a framework, then you don't have to look for them in the documentation. i think this is available in eclipse but not netbeans.

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  • MySQL - What is the correct primary key method

    - by Hammerstein
    I'm starting to develop an application using MySQL and although I've developed apps before using databases, I've normally gone to the incrementing id method. The other day I was reading a posting somewhere and saw someone being picked apart for this, for not properly "normalising the database". I'm not a big database person, but I wanted to make sure I'm doing this right. Any ideas, help / guidance?

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  • Using the HttpWebRequest class.

    - by Nick
    I instantiate the HttpWebRequest object: HttpWebRequest httpWebRequest = WebRequest.Create("http://game.stop.com/webservice/services/gameup") as HttpWebRequest; When I "post" the data to this service, how does the service know which web method to submit the data to? I do not have the code to this web service, all I know is that it was written in Java.

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  • jQuery bind method

    - by rajeeesh
    In one of my HTML page dynamically loading some file field while clicking a button like follows $('#add').click(function(){ $('#files').append('<input type="file" class="myfile" name="myfile" />'); }); My question is how to "bind" newly added element to HTML page so that I can access like $('.myfile').change(function(){ // Code Here }); I am asking this because $('.myfile').live('change',function(){ // Code here }); not working in all browsers , expecially IE Please help thanks

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  • C# class to parse JSON result

    - by user285677
    Hi, How should be a c# class to deserialize the folowing JSON string: { "data": [ { "id" : "id0012", "comments": { "data": [ { "id": "123", "from": { "name": "xpto", "id": "5ddd" }, "message": "tttt", "created_time": "2010-01-07T09:16:15+0000" }, { "id": "222", "from": { "name": "wwwww", "id": "343434" }, "message": "3333", "created_time": "2020-07-07T09:30:12+0000" } ], "paging": { "previous": "prevlink", "next": "nextLink" } } } ] } Thanks

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