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• [Ruby on Rails] Data Structure

  - by siulamvictor

  I am building a online form, with about 20 multiple choice checkboxes. I can get the nested data with this command. raise params.to_yaml I need to store these data and call them again later. I want to sort out which user chose which specific checkbox, i.e. who chose checkbox no.2? What's the best way to store these data in database?

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• UIScrollView eating touches from its parent

  - by Jon Hull

  I have nested scrollViews (or rather a subclass of UIScrollView inside of an actual scrollview). I set the size of the inner view to its contentSize and set scrollEnabled = NO, because I only want the outside view scrolling. But the innerView occasionally eats touches and keeps the outerView from scrolling when it should. Is there something else I need to set to keep it from stealing the scrolling touches, but still allowing user interaction (e.g. editing a textView)?

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• emacs, override indentation

  - by aaa

  hi. Hopefully simple question: I have multiply nested namespace: namespace first {namespace second {namespace third { // emacs indents three times // I want to intend here } } } so emacs indents to the third position. However I just want a single indentation. Is it possible to accomplish this effect simply? Thanks

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• Http web request doesn't maintaining session.

  - by Pankaj Mishra

  Hello, I have program where i want to scrap some Useful study material for me. This site site maintaining session key and some other key also. If I trying to go nested page then it will throw me out and showing session out message. I unable to maintaining session key in web request class. so please give me some idea that how can i maintain session in web request class.

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• Using strtok() in a loop in C?

  - by Alex Xander

  I am trying to use strtok() in nested loop. But this is not giving me desired results. Possibly because they are using same memory location. My code is of the form:- char *token1 = strtok(Str1, "%"); while(token1 != NULL ) { char *token2 = strtok(Str2, "%"); while(token2 != NULL ) { //DO SMTHING token2 = strtok(NULL, "%"); } token1 = strtok(NULL, "%"); // Do something more }

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• Content controls have to be top-level controls

  - by horatio

  I have a website that can be accessed from www.blahblah.com and special.blahblah.com. The www site always works but occasionly I get a 'Content controls have to be top-level controls in a content page or a nested master page that references a master page' error on the special site. It's exactly the same code running in both situations and the offending page doesn't even have a master page. Why would it work all the time on one and fail sometimes on the other?

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• ASP.NET MVC: Have total control over the URL

  - by Luke101

  Hello, I am developing a website that has nested categories. I would like the categories to be in the url such as something like this http://www.dmoz.org/Computers/Programming/Component_Frameworks/NET/Chats_and_Forums/ as you can see in the above url the categories are in the url itself. How can I develop something like this in asp.net mvc?

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• JSTL expression evaluation from a string

  - by Venkatesh

  Is it possible to evaluate a String as EL expression in JSP and get value from it? I need an expression like ${model.${fieldPath}} where fieldPath will contain the required object path from a nested object model. I can get the actual field path by using but I am not sure how to evaluate a string and get the value from it Any help regarding this would be highly appreciated.

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• What is the best algorithm to use in creating binary trees??

  - by Hanseh

  I've been doing a research about the best algorithm to use in creating a binary tree implementation. THe top entry in my list is nested sets. Are there any other alternative or better algorithm??

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• in Python find number of same elements in 2 lists

  - by John

  Hi, In Python if I have 2 lists say: l1 = ['a', 'b', 'c', 'd'] l2 = ['c', 'd', 'e'] is there a way to find out how many elements they have the same. In the case about it would be 2 (c and d) I know I could just do a nested loop but is there not a built in function like in php with the array_intersect function Thanks

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• Select...Case VB.NET to C# Equivalent

  - by Alex Essilfie

  I just started using C# and I've got a couple of issues. I hook several controls to one event handler as in the following and I want to perform a slightly different action for each control: Private Sub Button_Click(sender as Object, e as EventArgs) _ Handles button1.Click, Button2.Click 'do a general activity Select CType(sender, Button).Name Case button1.Name 'do something Case button2.Name 'do something else Case Else 'do the defalut action End Select End Sub Is there any way of doing the above select statement in C# without having to use nested ifs?

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• odd resharper indentation formatting for object intializers

  - by bitbonk

  For some strange reason when I have nested object intializers it always gets the last '}' wrong. It is not indented at all as shown in the following example: namespace MyNameSpace { internal static class MyClass { static MyClass() { var bla = new Bla { Name = "Bla" }; bla.Blub = new Blub { Name = "Blub", Blap = new Blap { Name = "Blap", Visible = true }, Blob = new Blob { Name = "Blob" }, Blib = new Blib { Blep = new Heater { Name = "Bleb" }, Id = 1, Blap = new Blap { Name = "Blap" } } // <---- wrong !!! }; } } } Any idea what I can do against it ?

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• Has Windows 7 Fixed the 255 Character File Path Limit?

  - by The Matt

  As I understand it, the limitation of 255 characters in a file path is a Windows limitation. What is the reasoning for this? If so, has this been resolved in Windows 7? In our continuous integration practices, we often have deeply nested project structures and it would be extremely useful to be able to go beyond 255 characters. Right now we are somewhat forced to structure our projects in such a way as to not hit this artificial ceiling.

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• Using methods from the "outer" class in inner classes

  - by devoured elysium

  When defining nested classes, is it possible to access the "outer" class' methods? I know it's possible to access its attributes, but I can't seem to find a way to use its methods. addMouseListener(new MouseAdapter() { @Override public void mouseClicked(MouseEvent e) { if (e.getClickCount() == 2 && //<-- Here I'd like to } // reference a method }); //from the class where //addMouseListener() is defined! Thanks

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• Looking for an example of a typical tree-recursion turned into a tail-recursive form.

  - by Skeptic

  Anything like flatten, count-atoms, etc. over nested lists would do fine. BTW, I'm not interested in a CPS transformation or "pairs-trees".

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• Coldfusion - taking a Serialized String and converting it to a Structure

  - by nobosh

  I have the following serialized string from a nested sortable list: ul[0][id]=main1&ul[0][children][0][id]=child2&ul[0][children][0][class]=&ul[1][id]=main3&ul[2][id]=main4&ul[3][id]=main5 I want to be able to record this in the database, and think I need a structure to do this. What's the best way to turn this into a structure, so I can sort it in the database, and easily render the list on the page in the future. Thanks,B

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• How do I compare two complex data structures?

  - by Phil H

  I have some nested datastructures, each something like: [ ('foo', [ {'a':1, 'b':2}, {'a':3.3, 'b':7} ]), ('bar', [ {'a':4, 'd':'efg', 'e':False} ]) ] I need to compare these structures, to see if there are any differences. Short of writing a function to explicitly walk the structure, is there an existing library or method of doing this kind of recursive comparison?

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• recursive directory svn move shell script

  - by yaya3

  I want to rename all nested directories named "foo" to "bar" - I've tried the following with no joy: find */ -name 'foo' | xargs svn move {} 'bar' \; Thanks

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• Combine Related Resources With TastyPie

  - by Aaron Ng

  How can I combine multiple Resources in TastyPie? I have 3 models I'd like to combine: users, profiles and posts. Ideally I'd like profiles nested within user. I'm not sure where to go from here. class UserResource(ModelResource): class Meta: queryset = User.objects.all() resource_name = 'user' fields = ['username','id','date_joined'] #Improper Auth authorization = Authorization() class UserProfileResource(ModelResource): class Meta: queryset = UserProfile.objects.all() resource_name = 'profile' class UserPostResource(ModelResource): user = fields.ForeignKey(UserResource,'user', full=True) class Meta: queryset = UserPost.objects.all() resource_name = 'userpost' #Improper Auth authorization = Authorization()

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• Problem While Deploying Application in GlassFish

  - by Sarang

  I have to deploy an application named "mrs-ws-server.war" in glassfish. I did it using both : 1) Package File to be uploaded to the server 2) Local package File or Directory at the address : http://localhost:42328/common/index.jsf It generates the following error : Exception while loading the app : java.lang.Exception: java.lang.IllegalStateException: ContainerBase.addChild: start: org.apache.catalina.LifecycleException: org.springframework.transaction.CannotCreateTransactionException: Could not open Hibernate Session for transaction; nested exception is org.hibernate.exception.GenericJDBCException: Cannot open connection What should be the solution for the same ?

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• What's the best way to implement threaded conversations like the Facebook Wall in .NET?

  - by Swami

  I'm just wondering what's the best way to implement a threaded conversation like the Facebook Wall where the comments are displayed under each post, and older comments are collapsed and expandable. My instinct is to use a nested datalist, but I think that might take a toll on performance.

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• Flex: Bottom-left align components?

  - by David Wolever

  As the title suggests, is there any way to bottom-left align components? An <HBox .../> nested in a <Canvas .../> doesn't work because the elements in the HBox are top-aligned instead of bottom aligned. For example, I'd like my components to be aligned like this: +-------------+ <-- container | components | | | V | | V +--+ | | +-+ | | | | +-+ +--+ | +-------------+

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• Perform selector on paren NSOperation

  - by user326943

  I extend NSOperation (call it A) which contains NSOperationQueue for other NSOperations (which is another extended class different from A, call these operations B). When operation A is running (executing B operations) how do i call a specific function/method on operation A when certain event takes place on B operations? For example every operation B that finishes it calls a function on operation A returning itself? *Nested NSOperation and NSOperationQueue(s) Thanks

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• Is is possible to dynamically load a user control at runtime based on a condition within an UpdatePa

  - by Rob Packwood

  I need to conditionally load a few nested user controls on a webpage based on a dropdown selection that fires a callback. Is this possible? Are there any best practices for such an approach?

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• Centering of a div, but the normal CSS does not work

  - by Jean

  Hello, I want to center a div, but the general way is #selector{position:relative;margin:0px auto;} What exactly is wrong below #crp{top:40%; position:absolute; margin:auto;} The Div below is not nested but a standalone. The #crp is going to the extreme right. <div id="crp">...something goes here....</div> Thanks Jean

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