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  • Controlled execution of computationally expensive tasks

    - by Sergio
    Say you have an application where a user is typing some text and as she types you'd want to perform some expensive computations in the background (related to the text that is being typed). Although you would like to do lots of things, your main priority is that the system responsiveness stay at acceptable levels so the user doesn't notice such a heavy load. Is there a way (ideally platform/language independent) to control what algorithms should be executed in the background based on the system load and responsiveness?

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  • How to make CodeIgniter accept "query string" URLs?

    - by Peter
    According to CI's docs, CodeIgniter uses a segment-based approach, for example: example.com/my/group If I want to find a specific group (id=5), I can visit example.com/my/group/5 And in the controller, define function group($id='') { ... } Now I want to use the traditional approach, which CI calls "query string" URL. Example: example.com/my/group?id=5 If I go to this URL directly, I get a 404 page not found. So how can I enable this?

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  • Up to date, JPA compliant GenericDAOImplementation

    - by HDave
    I read this article: http://www.ibm.com/developerworks/java/library/j-genericdao.html several times and believe I understand what it is saying. However, it is 4 years old and I have a JPA compliant Java application to contend with. In addition, I see that there is a JPATemplate in Spring that has some good functionality, but the Spring documentation says it is already deprecated! Can anybody point me to a solid, modern, JPA compliant, Spring based, working example of a GenericDAOImpl that proxies an Interface to provide generic finder execution?

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  • C++/Qt Apps on Ovi Store ?

    - by Ankur Gupta
    Can one develop C++/Qt based application for Symbian and N series phone and upload the same to Ovi store ?. I hear conflicting stories. I understand the existence of Smart Installer etc. But my question is as of today can I code and ship apps to Ovi store ?. If not any clue how long before it becomes a reality ?. Ankur

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  • Make iPad app a Universal app

    - by Peter Hajas
    I have an iPad app that I would like to make Universal, however this seems alarmingly difficult. I've changed things around so that I support both builds, but when building, I get lots of errors about using UIPopOvers. Here're my questions: Why does UI_USER_INTERFACE_IDIOM() not compile or register on 3.1.3? Can I conditionally have variables in a class definition based on UI_USER_INTERFACE_IDIOM()? If not, should I make two different view controllers? Thanks!

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  • Any books or other resources on Cognos TM1?

    - by Alex
    I have been assigned to a project to create a activity based costing system using Cognos TM1. I'm familiar with a number of other OLAP tools but have zero experience with TM1. Can anyone suggest a good book (searching doesn't turn up anything obvious) or any good online resources?

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  • Can i pop to Specific ViewController?

    - by Ankit Vyas
    Hello!I am using Navigation Based Application.I push First ViewController to Second ViewController and From Second ViewController to Third ViewController Now I want to Pop From Third ViewController to First ViewController.I am Performing This task using the Below Code but i application get's Terminate.Please any body give me some proper Guidelines.I can't use pop to RootViewController because it's Different ViewController.Thanks in Advance... In Third ViewControler i have Written this: FirstViewCtr *x=[[FirstViewCtr alloc] initWithNibName:@"FirstViewCtr" bundle:nil]; [self.navigationController popToViewController:x animated:NO];

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  • XML file as model for django project

    - by Ankur Chauhan
    Hi, I have a XML file that is managed by other programs, I am writing a web service such that users are able to query this file. In essence i am using a xml based database instead of using sql as the model database in Django. how do i do this? all the tutorials that i find use a sql database in the backend. is there a way to use the xml file as a database.

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  • mysql query for getting all messages that belong to user's contacts

    - by aharon
    So I have a database that is setup sort of like this (simplified, and in terms of the tables, all are InnoDBs): Users: contains based user authentication information (uid, username, encrypted password, et cetera) Contacts: contains two rows per relationship that exists between users as (uid1, uid2), (uid2, uid1) to allow for a good 1:1 relationship (must be mutual) between users Messages: has messages that consist of a blob, owner-id, message-id (auto_increment) So my question is, what's the best MySQL query to get all messages that belong to all the contacts of a specific user? Is there an efficient way to do this?

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  • Need some guidelines on iPad animation programming

    - by thomasvsundert
    Hi, I'm creating an interactive e-book for the iPad. This book will contain multiple pages that will consist of a lot of animations (frame and motion animations), transitions,... I was wondering what my development options are, should I use OpenGL, Quartz,...? I've use UIImageView.animationImages before and found that it had really bad performance. What's the best way to draw frame based animations? Does anybody have some good pointers to resources on this? thanks in advance, Thomas

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  • recommendation systems and the cold start problem

    - by Hellnar
    Hello, I am curious what are the methods / approaches to overcome the "cold start" problem where when a new user or an item enters the system, due to lack of info about this new entity, making recommendation is a problem. I can think of doing some prediction based recommendation (like gender, nationality and so on). Thanks

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  • Wicket WAR in Jetty: .html files not on classpath

    - by Ondra Žižka
    Hi, I deployed a Wicket-based app's .war file to Jetty 7.0.2. The problem is that Jetty copies the classpath to a temp dir, but only copies *.class, so *.html is not available for the classloader and I get the error: WicketMessage: Markup of type 'html' for component 'cz.dynawest.wicket.chat.ChatPage' not found. Copying the war as an expanded directory helped. Still, I am wondering how to configure Jetty to copy everything. And, with mvn jetty:run I get the same error. Thanks, Ondra

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  • How to set the email protocol in JavaMail

    - by Dusk
    If I need to get inbox messages by passing request from servlets to javamail API , how can I know the protocol in which to retrieve inbox messages? Do I have to state the protocol in request URL? I've already checked in gmail, where they haven't stated any protocol, then How can I get inbox messages based on particular protocol like: POP3 or IMAP

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  • How to develop a Nightly Builder

    - by allenzzzxd
    Hello, I was told to create a tool like a Nightly Builder for a JUnit project. It's a client-server project with oracle database.The tests are based on QTP. Also there is a test interface written on C#. The tester can click on the interface to choose which tests to run and get a report from each test. So I have to make this procedure automated. So what tools should I use? Thanks in advance Best regards

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  • Is DxScene the "WPF for Delphi"? Anyone used it?

    - by André Mussche
    I am playing with DxScene and VxScene: http://www.ksdev.com/dxscene/index.html It looks very nice and powerful: 3d accelerated vector graphics, cross plaform, nice effects, many 2d GUI controls (vector based), good scaling, transparency, rotating (x, y, z), 3d models, etc. Even with many effects, the CPU stays very low (0%)! http://www.ksdev.com/dxscene/snapshot/screen0.jpeg But can it be seen as a good WPF alternative for Delphi? And does anyone use it instead of normal Delphi VCL?

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  • Query Problem.Please help

    - by Ritz
    hello all, i want to use this in my application but i m getting an error for GetByLatest().Cast(); Please suggest me a solution IList news = new Trytable().GetByLatest().Cast(); return new RssResult(news, "William Duffy - Glasgow Based ASP.NET Web Developer", "The latest news on ASP.NET, C# and ASP.NET MVC "); Thanks Ritz

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  • How to configure tomcat 6.0 for mysql

    - by Dusk
    I'm using Tomcat 6.0, and I want to know how can I configure Tomcat's server.xml file to connect to mysql database, and enable form based authentication in java. I'm currently using mysql 5.1, and I've already downloaded mysql connector jar file, and put in lib directory of Tomcat.

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  • GUI development in JAVA

    - by user309281
    Hi All To build a java-based GUI using jsp and servlets, what are the different factors that go into selection of frameworks like AJAX, JSF, Struts 1/Struts 2 etc. Also for each of the above pls throw some light on, what are the libraries, toolkits and IDE which are available? Thanks.

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  • lexers vs parsers

    - by Naveen
    Are lexers and parsers really that different in theory ? It seems fashionable to hate regular expressions: coding horror, another blog post. However, popular lexing based tools: pygments, geshi, or prettify, all use regular expressions. They seem to lex anything... When is lexing enough, when do you need EBNF ? Has anyone used the tokens produced by these lexers with bison or antlr parser generators?

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