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• Finding the largest subtree in a BST

  - by rakeshr

  Given a binary tree, I want to find out the largest subtree which is a BST in it. Naive approach: I have a naive approach in mind where I visit every node of the tree and pass this node to a isBST function. I will also keep track of the number of nodes in a sub-tree if it is a BST. Is there a better approach than this ?

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• How do I add a method with a decorator to a class in python?

  - by Timmy

  How do I add a method with a decorator to a class? I tried def add_decorator( cls ): @dec def update(self): pass cls.update = update usage add_decorator( MyClass ) MyClass.update() but MyClass.update does not have the decorator @dec did not apply to update I'm trying to use this with orm.reconstructor in sqlalchemy.

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• Assigning ID to a Row in an Android ListView

  - by Chris

  I have a ListView. When an item on the ListView is tapped, it loads a SubView. I want to assign an ID to each row of the ListView, so I can pass that ID along to the SubView. How do I assign a specific ID to each row in the ListView? Here is how I am currently loading the ListView: setListAdapter(new ArrayAdapter<String>(this, R.layout.list_item, mArrayList));

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• Drupal, "jQuery Media" module: how to set width based on video size ?

  - by Patrick

  hi, I'm using jQuery Media module in Drupal to use my own flv player. It works great, however I would like to assign different width and height size according to the videos sizes. How can I do it ? Should i pass back values from Flash app with an External Call ? thanks

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• using xmlhttp.open() how do I add more then one parameter to url?

  - by creocare

  so I have this code. xmlhttp.open("GET","getuser.php?q="+str,true); where q="+str I want to pass a second var how do I do this? Thanks.

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• How to return number of rows in the template

  - by xRobot

  In my view I return all posts of one blog: posts = Post.objects.filter(blog=blog) and pass it to context. But.. How can I get the number of posts in the template ? This is my template: <h1>Number of posts: {{ ??? }} </h1> {% for post in posts %} {{ post.title }} {{ post.body }} {% endfor %}

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• How to posr these values to my model?

  - by udaya

  Hi I have the variables like this how can i parse these variables to my model page currently the variable is in my controller echo $d['mday'].'-'.$d['mon'].'-'.$d['year']."\n"; I have to pass the value s to my model Iam trying like this but it didnt work $res['ApproveLeave'] = $this->hostelmodel->putLeave($d); How can i do that?

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• Revalidate JPanel's parent frame

  - by Tom Brito

  I need show/hide some fields of my panel, and I want the panel to fit the frame. How could I notify to the parent frame to revalidate? I think in pass the frame to my panel's constructor, but I think may have a way this is already done. I remember that there was a protected attribute in JPanel, but there isn't.. maybe i remembering the wrong component.

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• jquery dialog form with dynamic variables

  - by Patrick

  Hello, Currently I have an html form - which I call with jquery dialog - to insert new records into a table. But I also would like to update existing records with the same form - using jquery dialog. I'm not sure within the dialog how I access these data values - or pass them in as arguments - and hook them up with the form elements...? Anyone has done this before and knows an agile technique to do this? kind regards, Patrick

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• Variation on Hamiltonian path problems

  - by Robert

  Thinking about if we modify the definition of Hamiltonian path as we need to go through every edge once,but can pass vertex any times,is there still an algorithm available? How should I modify the original Hamiltonian algorithm to account for this?

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• Is there a way to sort by more than one field in Crystal Reports?

  - by John at CashCommons

  I'm using Crystal Report with VB.NET in Visual Studio 2005. I have report that works if I pass in a list of List(Of Stuff). I had been sorting the report by one of the members of Stuff but a need now to sort first by one member, like Stuff.StatusCode and then by another member, like Stuff.ItemNumber. Can I do this just be having more than one SortField member, or do I need to do it some other way? Thanks as always!

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• Does the openssl command line do key strengthening?

  - by chotchki

  If I run the openssl command line in hmac mode (as below), is the key used for the hmac used directly or is it hashed before using it as the key? echo "foo" | openssl dgst -sha256 -binary -hmac "test" | openssl base64 Similarly, when encrypting a file with openssl (as below)is the pass phrase hashed with the salt? (If so how is it done? A pointer to the right source file would be even better.) openssl enc -salt

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• HttpSessionState as parameter

  - by HeavyWave

  What is the highest class in the hierarchy I can use to pass HttpSessionState as a parameter and add values to it? For instance to a method like public void MyMethod(IDictionary<string, object> input) { input.Add("something", something); } I see that implements ICollection and IEnumerable, but that only allows me to read values, not add them.

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• JSP application scope objects in Java library

  - by FrontierPsycho

  I am working on a preexisting web application built with JSP, which uses an external Java library. I want to make some JavaBeans that were instantiated with jsp:useBean tags available to the Java code. What would be a good practice to do that? I suppose I can pass the objects in question to every function call that requires them, but I'd like to avoid that.

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• Using xmlhttp.open() how do I add more than one parameter to url?

  - by creocare

  I have this code. xmlhttp.open("GET","getuser.php?q="+str,true); where q="+str I want to pass a second var how do I do this?

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• SEC_TO_TIME() convert to java.sql.Time error

  - by chun

  hi I have a aggregate column present the microsecond, a report(with jasper) have to show HH:mm:ss of this indicator What I did is using SEC_TO_TIME(sum(col)/1000) , but when mapping to java.sql.Time, i doesn't work when the value of hour in result pass over 24(ex:36:33:33) Then I think another way, not using sec_to_time, just mapping the microsecond as Bigdecimal, but dunno what java class shoud i use to format date as the default format of hh:mm:ss is limit to 24...?

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• How to Automatically Add Item to a List As I'm Creating It?

  - by DaveDev

  I want to pass a List into a method, but I only want it to contain 1 item. Is it possible for me to do this similar to MyType myType = new MyType(); MyMethod(new List<MyType>{ myType }); // somehow add myType to the list as I'm creating it

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• Django Date Input Parsing?

  - by Dane Larsen

  I'm trying to get a date for an event from a user. The input is just a simple html text input. My main problem is that I don't know how to parse the date. If I try to pass the raw string, I get a TypeError, as expected. Does Django have any date-parsing modules?

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• android: open a pdf from my app using the built in pdf viewer

  - by mtmurdock

  I want to be able to open a pdf file in my app using the android's built in pdf viewer app, but i dont know how to start other apps. I'm sure i have to call start activity, i just dont know how to identify the app im opening and how to pass the file to that specific app. Anyone have a clue?

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• Put Java Threading Class into a separate class

  - by erlord

  Consider following SWT code example: http://dev.eclipse.org/viewcvs/index.cgi/org.eclipse.swt.snippets/src/org/eclipse/swt/snippets/Snippet151.java?view=co How can I separate the inline defined class? Thread thread = new Thread() { public void run() { ... } }; I want to define a separate class which updates the table just like it does here. How do I pass the list back to the table? Example code?

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• Drawbacks of Dynamic Query in Sqlserver 2005 ?

  - by KuldipMCA

  I have using the many dynamic Query in my database for the procedures because my filter is not fix so i have taken @filter as parameter and pass in the procedure. Declare @query as varchar(8000) Declare @Filter as varchar(1000) set @query = 'Select * from Person.Address where 1=1 and ' + @Filter exec(@query) Like that my filter contain any Field from the table for comparison. It will affect my performance or not ? is there any alternate way to achieve this type of things

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• Javascript algorithm that calculates week number in Fiscal Year

  - by ForeignerBR

  Hi, I have been looking for a Javascript algorithms that gives me the week number of a given Date object within a custom fiscal year. The fiscal year of my company starts on 1 September and ends on 31 August. Say today happens to be September 1st and I pass in a newly instanced Date object to this function; I would expect it to return 1. Hopefully someone will be able to help me with it. thanks, fbr

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• How can I make a drawing surface so people can draw on my Windows Form application?

  - by Sergio Tapia

  I'm making a simple chat program for me and my friends as a tech demo. I had the idea to have a small drawing pad thing that would be shared between all connected users. What could I use in this situation (control wise)? I know I can convert an image to a byte[] and pass that to everyone, but I'd need to use a pictureBox to get said image. Thanks for the help!

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• Mysql query trouble: uploading

  - by Jakub Zak

  I'm trying for last hour solve this problem. I have a long form and I'm trying to upload info into mysql database. Into table I made. This is the mysql query I'm using: mysql_query("INSERT INTO `users_temp`(`first_name`, `surname`, `birthday`, `nationality`, `email`, `mobile`, `landline`, `address`, `town`, `post_code`, `country`, `password`, `code_conf`) VALUES ([$f_name],[$s_name],[$bday],[$nationality],[$email],[$mobile],[$landline],[$address],[$town],[$post_code],[$country],[$pass],[$conf_code])"); If anyone see any problem why it doesn't work pls let me know. Thank you...

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• Consuming Java web-services using .NET Client

  - by Gustavo Paulillo

  Im trying to consume a Java web-service, that uses a certificate. I could generate the proxy, adding Service Reference. The problem is: It needs Basic HTTP Authorization Header. Its necessary to encript the user/password and pass them in the header. Thanks.

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