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• Change document outline dynamically

  - by alex

  I have a code void SomeButton_Click(object sender, EventArgs e) { if (this.Controls.Contains(Panel2)) { this.Controls.Remove(Panel2); } else { this.Controls.Add(Panel2); } } My problem is: the code changes document outline order of controls on my form. How can I restore previous document outline ? What properties, methods should I use ? Or is it impossible ?

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• Is it OK to write a constructor which does nothing?

  - by Roman

  To use methods of a class I need to instantiate a class. At the moment the class has not constructor (so I want to write it). But than I have realized that the constructor should do nothing (I do need to specify values of fields). In this context I have a question if it is OK to write constructor which does nothing. For example: public Point() { }

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• How do I pass Url Parameters on a POST?

  - by Robert Harvey

  I have a controller method with the following signature: [AcceptVerbs(HttpVerbs.Post)] public ActionResult UpdateValues(int id, MyViewModel[] array) { } The id is normally picked up as part of the Url on other GET controller methods (I have a working route that does this) I am successfully passing the array1 from the form in my view to the controller method, but how do I also put the id onto my Url so that when the user clicks the Submit button, the controller method will pick up the ID?

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• can I have an abstract base class with the key attribute being generic

  - by Greg

  Hi, I want to create a re-usable library. I was going to use extension methods however I run into some issues in some cases for the client to have to specify in the calling method the types. QUESTION - If I use an abstract base class as the basis, can I specify an attribute/property in the class to be generic (e.g. the key property might be an 'int' in one case, or a 'string' in another)?

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• iPhone - extending a class delegate

  - by Digital Robot

  OK, I know how to create a class extension, using something like that: on .h @interface UIButton (myExtensionName) // my extended methods @end and then on .m @implementation UIButton (myExtensionName) // my implementations @end But how do I declare the extended delegates I may create? If this was a normal class I would do @protocol myExtensionName <NSObject> // my delegate declarations @end but how do I do that on a class extension? thanks

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• How to store data using core data in iphone?

  - by Warrior

  I am new to iphone development.I want to show a form a and store the contents in to a core data database after clicking the submit button.I have created a form.xcdatamodel and class events.h and events.m with reference to the apple docs.In some Sample codes the values are stored statically in the delegate class and they use core data delegate methods. But in my case the form view come after passing 2 views. I want to store the data entered here .How can i achieve it.Please help me out.Thanks.

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• SQL Server: String Manipulation, Unpivoting

  - by OMG Ponies

  I have a column called body, which contains body content for our CMS. The data looks like: ...{cloak:id=1.1.1}...{cloak}...{cloak:id=1.1.2}...{cloak}...{cloak:id=1.1.3}...{cloak}... A moderately tweaked for readability example: ## h5. A formal process for approving and testing all external network connections and changes to the firewall and router configurations? {toggle-cloak:id=1.1.1}{tree-plus-icon} *Compliance:* {color:red}{*}Partial{*}{color} (?) {cloak:id=1.1.1} || Date: | 2010-03-15 || || Owner: | Brian || || Researched by: | || || Narrative: | Jira tickets are normally used to approve and track network changes\\ || || Artifacts: | Jira.bccampus.ca\\ || || Recommendation: | Need to update policy that no Jira = no change\\ || || Proposed Remedy(ies): | || || Approved Remedy(ies): | || || Date: | || || Reviewed by: | || || Remarks/comments: | || {cloak}## h5. Current network diagrams with all connections to cardholder data, including any wireless networks? {toggle-cloak:id=1.1.2}{tree-plus-icon} *Compliance:* {color:red}{*}TBD{*}{color} (?) {cloak:id=1.1.2} I'd like to get the cloak values out in the following format: requirement_num ----------------- 1.1.1 1.1.2 1.1.3 I'm looking at using UNIONs - does anyone have a better recommendation? Forgot to mention: I can't use regex, because CLR isn't enabled on the database. The numbers aren't sequencial. The current record jumps from 1.1.6 to 1.2.1

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• Does class without data member have memory footprint in java ?

  - by Silent Warrior

  My question is related to memory footprint in java for class without data member. Suppose in java I have a class which doesn't have data member and it only contains methods. So if I am creating instance of particular class then does it occupies memory in primary memory except object reference memory ?

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• calling a dynamic function in javascript

  - by scatman

  is it possible to call a dynamic method in javascript. ie suppose i have in my page 2 methods as such: function id1_add() { return 1; } function id2_add() { return 2; } i also have this function: function add() { var s1='id1'; s1+'_add()'; //??? } is it possible to call for example id1_add() in such: s1+'_add()'; so the method call depends on a previous string?

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• Java Save Object to File

  - by Kristian Matthews

  I've tried implementing various methods from around the internet, all seem to be providing the same solution. But it just won't work and I'm unsure why, it creates the file, however, it's blank and if I try loading that file, it has an error. Main.java contains the code to save and load the file: 190-224. Rooms.java contains the object. Code Any help is greatly appreciated, I've been trying for almost a week now! Thanks in advanced!

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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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• Can I divide a scene into two layers of equal sizes ?

  - by srikanth rongali

  I need to divide a scene in to two layers. So that I can write same methods for two layers. So I may get two functionalities. But can I make that ? Is there a possibility in cocos2d? Thank You

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• Supported Linq for WCF Data Services

  - by jfar

  I'm looking for the full list of supported linq extension methods that are compatible with WCF Data Services. By trial and error I've found First() and Single() aren't supported, any others? This gives me a pretty good idea of whats supported, I just don't know whats actually translated via the IQueryProvider.

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• Documenting auto-generated code

  - by Diadistis

  Hello, I use code-generation for my data access layer and Doxygen for documentation. My problem is that I can't add Xml comments on the generated classes since they will be overwritten as soon as I re-generate the code. To be more precise I can add Xml comments to my custom methods (which are in a separate file as partial classes) but I can't do it on data properties. Any suggestions?

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• how to install symfony on shared web server?

  - by Harish

  I have created a project in symfony(PHP Framework), and need to upload it on server, but i dont know how to do that, i got many methods on net, but i was not able to follow that. so please help.

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• what is the difference between plugin and library?

  - by fayer

  i wonder what the difference between a library and a plugin is? if a component creates a database (maybe comes with a .sql file or creates through a method) could it still be a library or is it called a plugin or module? cause i am creating a address book component and it provides methods to insert and read records in database. i don't know if i should put it in library folder or plugin folder. please shed a light on this. thanks

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• Spring @Transactional Annotation Best Practice

  - by Thomas Einwaller

  We are currently discussing the Best Practice for placing the @Transactional annotations in our code. Do you place the @Transactional in the DAO classes and/or their methods or is it better to annotate the Service classed which are calling using the DAO objects? Or does it make sense to annotate both "layers"?

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• dumpbin equivalent in Qt

  - by de costo

  Is there any utility similar to dumpbin(Visual Studio) in Qt that allows me to check the functions that are exposed in a Qt-Creator compiled dll ?? I need to know what methods are exposed in a given dll so that I can load the method dynamically at runtime using QLibrary. Thanks, De Costo

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• Implementing the factory design pattern using metaclasses in python

  - by noam

  I found a lot of links on metaclasses, and most of them mention that they are useful for implementing factory methods. Can you show me an example of using metaclasses to implement the design pattern?

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• How to delete many-to-many records in Doctrine?

  - by terrani

  Hi All, I am trying to delete records in many to many using Doctrine. I used code on http://www.doctrine-project.org/documentation/manual/1_2/ru/working-with-models#many-to-many-relations:deleting-a-link when I do the first method, it just deletes UserGroup record ONLY. How do I delete User, Group, and UserGroup records at once? The second and thrid methods do not work as well.

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• Why or why not use a DataSource to fill ASP controls?

  - by Brad8118

  So we have a GridView asp control and one of my coworkers doesn't like to use an DataSource to fill the GridView. I wasn't sure if/what the pros and cons are of using one. I don't mind using going through the wizard to set the type, and the select/update methods. Besides using the wizard are there pros and cons?

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• Can a web page send to a label printer something different than a standard printer

  - by Noah

  For an internal customer service application, I want to create a web page that displays name and address along with some other details. Assume we have 2 printers, PLASER and PLABEL. Is it possible using CSS, or other methods, to send the entire page to the printer when printer PLASER is selected, and only the name & address, when printer PLABEL is selected?

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• Is there a way to detect non-movement (touch events) ?

  - by hyn

  Is there a way to detect a finger's non-movement by using a combination of UITouch events? The event methods touchesEnded and touchesCancelled are only fired when the event is cancelled or the finger lifted. I would like to know when a touch has stopped moving, even while it is still touching the screen.

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• Java, let CookieHandler work on only one instance.

  - by user435657

  Hi all, I don't know how CookieHandler works system wide, I did view the source of CookieHandler but found no more information except the get/set methods. Where do TCP/HTTP connections use instance of CookieHandler, which I set by CookieHandler.setDefault(...) Which source file I should refer to? URLConnection & HttpURLConnection don't seem have things to do with it. Help, thanks in advance.

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• Variable scope and the 'using' statement in .NET

  - by pete the pagan-gerbil

  If a variable is at class level (ie, private MyDataAccessClass _dataAccess;, can it be used as part of a using statement within the methods of that class to dispose of it correctly? Is it wise to use this method, or is it better to always declare a new variable with a using statement (ie, using (MyDataAccessClass dataAccess = new MyDataAccessClass()) instead of using (_dataAccess = new MyDataAccessClass()))?

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