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  • Slow (to none) performance on SQL 2005 after attaching SQL 2000 database

    - by ploft
    Issue: Using the detach/attach SQL database from a SQL 2000 SP4 instance to a much beefier SQL 2005 SP2 server. Run reindex, reorganize and update statistics a couple of times, but without any success. Queries on SQL 2000 took about 1-2 sec. to complete, now the same queries take 2-3 min on the SQL 2005 (and even 2008 - tested it there also). Have looked at the execution plans and the overall percent matches or are alike on each server.

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  • JSON limitation?

    - by thedp
    Hello, I would like to know if JSON with AJAX has a limitation to the amount of data an outgoing and returning parameter can carry? I would like to be able to send and return from the server a file with 10,000 lines, as a string. How should I achieve this task? Will a single parameter will be able to hand this? Thank you.

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  • Overloading assignment operator in C++

    - by jasonline
    As I've understand, when overloading operator=, the return value should should be a non-const reference. A& A::operator=( const A& ) { // check for self-assignment, do assignment return *this; } It is non-const to allow non-const member functions to be called in cases like: ( a = b ).f(); But why should it return a reference? In what instance will it give a problem if the return value is not declared a reference, let's say return by value?

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  • How can I transfer an NHibernate PersistentGenericSet over WCF

    - by Ian Oakes
    I'm trying to send objects retrieved by NHibernate over WCF, but whenever a have a property of ICollection I get an exception. When NHibernate gets the data from the database this property is intitialized with an instance of PersistentGenericSet. Is there a way I can send a PersistentGenericSet over WCF? -or- Is there some way making NHibernate initialize these properties with another type?

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  • Dynamically adding meta tags using php

    - by rekhasathvika
    Hi, In my site I have a list of categories and I have to put meta keywords and description for them.I have a single page where I will retrieve the categories from the database. Can anyone tell me how to make this much simpler to put meta tags for all the categories. Regards, Rekha http://hiox.org

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  • Logfile per Component Hierarchy

    - by Daniel Marbach
    Hello I have the following problem: ComponentA with Unique Name ChildComponent ChildChild AnotherChild Everytime a new instance of ComponentA is created I want to redirect the output to a unique file named ComponentA-UniqueName including all child component log entries. How can this be achieved? Daniel

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  • Java Static Methods

    - by KP65
    Hello, I am wondering when to use static methods? Say If i have a class with a few getters and setters, a method or two, and i want those methods only to be invokable on an instance object of the class. Does this mean i should use a static method? e.g Obj x = new Obj(); x.someMethod or Obj.someMethod (is this the static way?) I'm rather confused!

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  • Visualize Classifier Error Weka

    - by user1780592
    Hye there i have a have datasets where this data i have test it on weka with J48 classifier It give me an output = 87.2611% Total of instances = 157 Correctly Instances = 137 Incorrectly instance = 20 Then i have do a visualize classifier error on my data. However my result have been decrease to: New result = 85.4015% Correctly Instances = 117 Incorrectly instances = 20 Total of instances = 137 Is there any reason for that? Should my result become much better after i do the visualize classifier error?

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  • ObjectDataSource typename of a singleton Business object

    - by luppi
    My singleton business object is defined in Global: public class Global : HttpApplication { public static BusinessForm BusinessFormLayer; void Application_Start(object sender, EventArgs e) { FormDalProvider concreteProvider = FormDalProvider.Instance; BusinessForumLayer = new BusinessForum(concreteProvider); } } My page: <asp:ObjectDataSource ID="objThreads" runat="server" SelectMethod="GetForms" SelectCountMethod="GetFormsCount" TypeName="Global.BusinessFormLayer" EnablePaging="true" SortParameterName="sortExpression">

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  • How would I merged nested dictionaries in a list in python?

    - by Kevin
    for example if i had the result [{'Germany': {"Luge - Men's Singles": 'Gold'}}, {'Germany': {"Luge - Men's Singles": 'Silver'}}, {'Italy': {"Luge - Men's Singles": 'Bronze'}}] [{'Germany': {"Luge - Women's Singles": 'Gold'}}, {'Austria': {"Luge - Women's Singles": 'Silver'}}, {'Germany': {"Luge - Women's Singles": 'Bronze'}}] [{'Austria': {'Luge - Doubles': 'Gold'}}, {'Latvia': {'Luge - Doubles': 'Silver'}}, {'Germany': {'Luge - Doubles': 'Bronze'}}] how would I sort this so that all of the events germany and so on had won could be under one single title. i.e germany would be germany:Luge - Men's Singles: Gold, Silver, Luge - Women's Singles: Gold, Bronze, Luge - Doubles: Bronze. thanks for any help

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  • Dynamic FIFO queue

    - by sam
    Create a 4K buffer for storing 4 independent FIFO (first-in/first-out) queues of single byte character data. The organization of the FIFO should be as efficient as possible for storing the 4 queues to support dynamic (not fixed) queue size, insuring that no queue will overflow any other queue and given that it is unknown which queues may have the least # of elements and which queues may have the most # of elements.

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  • Are default mysql parameters in RDS sane?

    - by taw
    RDS uses the same set of parameters for all instance sizes and they don't seem to be that far from defaults (max_packet_size being too small etc.) Has anyone looked at them and reviewed them for how sensible they are, especially on relatively bigger instances?

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  • What does the >> symbol mean in Haskell.

    - by CharlesS
    I was reading the Guestbook example for Happstack and noticed the symbol which I didn't see before in the textbooks I studied to learn Haskell (for instance see line 23). What is it? Example I could not find it in Google because it ignores the totally (Bing does not but comes up with tons of non-related results). Thanks!

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  • Javascript check if it has passed midnight since a certain time

    - by Jonah
    I need to create a javascript function that checks if it has been a day since timeX (an instance of Date). I do NOT mean whether is has been 24 hours since timeX, but instead whether it has passed a midnight since timeX. I am a PHP expert, not a JavaScript one, so I was wondering if anyone here had any quick answers. Thanks! function(dateLast, dateNow) {...}

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  • HttpServletRequest.getServerName() occasionally returning null in concurrent use?

    - by oconnor0
    Under JBoss 4.0.1SP1, I have a servlet that makes multiple, concurrent calls to web services that are running under the same instance. I'm using request.getServerName() (on HttpServletRequest) to construct the endpoint URL. This normally works fine, but every once in a while returns null. I hadn't seen this before running the web service requests in parallel, and so I guessed that sharing the HttpServletRequest among threads won't always work or something. Any ideas on fixing this?

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