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  • Prolog - ASSERT and RETRACT

    - by KP65
    I was wondering, I am aware you can use assert to add facts or rules or whatever if you have declared the predicate to be -:dynamic, but this only allows the changes that are made to be kept in that session only, e.g. if you close the prolog window then the database changes are lost. So I was wondering, is there any way of making it so that the assert and retract predicates can make permanent changes to the prolog .pl file? Thanks

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  • Create Audio file on iPhone/iPad from many other audio files (mixer)

    - by Brian
    I am trying to create something similar like Piano app on the iPhone. When people tap a key, it play a piano note. Basically, there will have only 7 notes (C) at the moment. Each note is a .caf file and its length is 5 seconds. I do not know if there is any way to save the song user played and export to mp3/caf format? The AVAudioRecord seems only record from the microphone input. Many thanks

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  • Storing Twitter OAuth in MySQL

    - by nute
    I'm about to add a feature on my website that will post stuff to the users' twitter accounts. I read that storing an "OAuth" token is better than storing their usernames and passwords (which makes sense). What should I store in my MySQL database? The token, secret and username? Or just the token? What data type(s) would you use? How big are they? Thanks!

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  • C# Instantiate class which implements generic interface

    - by Martijn B
    Hi there, I have some business classes which implements IBusinessRequest for example: public class PersonBusiness : IBusinessRequest<Person> { } Besides this I have a function: TypeHelper.CreateBusinessInstance(Type businessType, Type businessRequestType) A requirement of a business class is that they must have a parameterless constructor, which I check in the TypeHelper.CreateBusinessInstance function. I want to create a instance of type businessType (which is i.e PersonBusiness) with the generic value businessRequestType for IBusinessRequest<. How can I get this done? Thanks in Advance. Gr Martijn

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  • Country/City/state validation

    - by M.M.H.Masud
    I want to do the following things using PHP and jQuery https://www.careerbuilder.com/share/register.aspx?sc_cmp1=JS_LoginASPX_RegNow Steps Select a country from a dropdown list. The city dropdown list will fillup automatically with the list of cities of the selected country. If state is available for that country then state list will be visible with all state list of that country. Then I need to validate the selected city, state and country. Do you have any ideas? Thanks in advance

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  • Android horizontal scollview behave like iPhone (paging)

    - by Davide Vosti
    I have a LinearLayout inside a HorizontalScrollView. The content is just a image. While scrolling, I need to achieve the same behavior you get when setting the paging option on a the iPhone equivalent of the HSW (scrolling the list should stop at every page on the list, not continue moving). How is this done in Android? Should I implement this features by myself or there is a particular property to set or a subclass of HSV to implement? Thanks

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  • Displaying locale percentage number with Zend Framework

    - by Ronedog
    Does anyone know how to display a percentage format based on the locale using the zend framework? I've tried this below and it doesn't work for some reason: $xx = Zend_Locale::getTranslation(null, 'PercentNumber'); // This outputs: "#,##0%" for locale 'en_us' $percentage = Zend_Locale_Format::getNumber(133.3678, array('number_format' => $xx, 'locale' => $lang_LOCALE)); The output of $percentage is 133.3678. Thanks.

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  • Java DnD - Java Component to .Net Component

    - by JT703
    I'm trying to use Java drag and drop to drag an object from a JTree into a native .NET component that is embedded in my app. This .NET component only accepts File objects, so I'm having trouble with the DnD's Transferable object. Anyone know how I can make this Transferable "look" like a file to this .Net component? p.s. I need this answer as Quickly as possible. Thanks!

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  • iTextSharp: Writing RTF in a PDF document

    - by gllort
    Hello, I'm using iTextSharp (with C# and VS2008) to generate a report from a database table row. Generate PDF is not a problem... but when I try to add RTF text into the PDF I cant't find a way into iTextSharp object structure. How can I do it? Thanks a lot!

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  • OneWay binding throws "TwoWay binding is invalid on Read only property"

    - by Binary Worrier
    This binding <tk:DataGridTextColumn Binding="{Binding Path=Id, Mode=OneWay}" Header="Sale No." Width="1*" /> Gives this error A TwoWay or OneWayToSource binding cannot work on the read-only property 'Id' of type . . . The "Id" property is indeed readonly, I thought though that Mode=OneWay would be sufficient. I'm tired and I know I'm missing something obvious so I'll apologies now for asking a really dumb question. Thanks BW

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  • Quartz .Net Job calling WCF service

    - by mattcole
    Hi, What's the best way for me to call a WCF Service from within a Quartz .Net job? Is the easiest way to write a separate exe that spins up a WCF proxy and have that exe called from within the job? This seems like it would work but is a bit convoluted. It'd be nicer if I could somehow have the Job have the proxy injected in someway. Thanks, Matt

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  • java Filter URL pattern specific to request params

    - by Rohit Desai
    Hi All, We have a situation where we want to use filter for URL's containing some specific request parameters. e.g htt://mydomain.com/?id=78&formtype=simple_form&....... htt://mydomain.com/?id=788&formtype=special_form&....... and so on , id are fetched at run time, I want configure filter in web.xml only if formtype=special_form. How should achieve the solution . Can filter be configure with regex patterns? Really appreciate your help on this. Thanks, Rohit

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  • hide keyboard in android?

    - by Niranjan Khandelwal
    Hello all, I am new to android development. I am creating an application in which when app launches the edittextfield getfocus automatically and the keyboard pop-up.I want to hide the keyboard by default and show when edittextField get focus.I have tried this method but it's not working. InputMethodManager imm = (InputMethodManager)getSystemService(Context.INPUT_METHOD_SERVICE); imm.hideSoftInputFromWindow(myEditText.getWindowToken(), 0); Thanks Niranjan Khandelwal

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  • Multiple selection datagrid before click on datagrid

    - by Jakub Cermoch
    I have wpf datagrid with multiple selection (model has properties IsSelected...) and it works fine, but when I start program, I have to click on the table first and after that work multiple selection. When I first click on the table it select item under cursor (if i have pressed shift, it select the item too, not do multiple selection). I supposed it can be because of datagrid hasnt focus, but when I do datagrid.Focus() on loaded window, it doesnt helped. Thanks a lot

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  • 'System.OutOfMemoryException' was thrown

    - by Asim Sajjad
    While Compiling the WPF Application for many times in a day it give following error 'Exception of type 'System.OutOfMemoryException' was thrown.' Can anyone know why this error occured and how to remove that error. But if visual studion is restarted then there is no such problem. thanks in advance

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  • UIPopoverController. Is there way to use Interface Builder to layout the VC and View it Contains?

    - by dugla
    Since UIPopoverController is often a container for a non-trivial amount of view hierarchy, it would be nice to do the layout of the VC and View it contains in Interface Builder rather then programmatically. Has anyone found a good work flow for do this? For example I want to embed a UIScrollView in a UIPopoverController and I am not excited about having to do it all programmatically. Thanks in advance. Cheers, Doug

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  • Get process id of process started with CreateObject in .NET

    - by Lex
    Hi! I'm using VB.NET for a web-application that starts some process using CreateObject, like this: Dim AVObject = CreateObject("avwin.application") After all is done everything get closed down en stopped using the proper release functions, however, for some reason the process remains. Is there some way in which I can get the process id of the started process, in order to explicitly kill it just before termination? Thanks

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  • real time plotting on iPhone using core plot?

    - by ram007
    I want to use core-plot for drawing line graph dynamically. data won't come at a time, we will be receiving point by point dynamically. Is it possible to draw the chart dynamically using core-plot i.e drawing point by point as on when we receive the (x,y) point? Please help me, Thanks.

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  • Soapui & populating database before

    - by mada
    SoapUi & database data needed Hi, In a J2ee project( spring ws + hibernate +postgresql+maven 2 + tomcat),We have created webservices with full crud operations. We are currently testing them with SoapUi (not yet integrated in the integration-test maven phase ). We need tomcat to test them. Actually before the phase test, with a maven plugin, only one time, some datas are injected in the database before the launch of all tests through many sql files. But the fact is that to test some webservices i need some data entry & their Id (primary key) A- What is the best way to create them ? 1- populate one of the previous .sql test file. But now we have a big dependency where i have to be careful to use the same id use in a insert in the sql file in SoapUi too. And if any developper drop the value, the test will broke. 2- create amongst the .sql file test a soapui.sql where ALL data needed for the Sopaui test will be concentrated. The advantage is that the maintenance will be much more easy. 3-because i have Ws available for all crud operations, i can create before any testsuite a previous testsuite called setup-testsuiteX. In this one, i will use those Ws to inject datas in the databse & save id in variables thanks to the feature "property transfer" 4-launch the soapui test xml file with a junit java test & in the Setup Method (we are using spring test), we will populate the database with DbUnit. Drawback: they are already data in the database & some conflicts may appear due to constraint.And now i have a dependency between: - dbUnit Xml file (with the value primary key) - sopaui test where THOSe value of primarykey will be used advantage: A automatic rollback is possible for DbUnit Data but i dont know how it will react because those data have been used with the Ws. 5- your suggestion ? better idea ? Testing those Ws create datas in the DB. How is the best way to remove them at the end ? (in how daostest we were using a automatic rollback with spring test to let the database clean) Thanks in advance for your hep & sorry for my english, it is not my mother thongue. Regards.

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  • Zend Pdf generation from an action

    - by Nisanth
    Hi all, I have a controller Employee , in that i have the action detail . The detail action prints like the attached image. Suppose there is a save pdf button, i need to print this page as .pdf.. How can i do this ? Pls help me Thanks in advance Nisanth

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  • LLBLGen Pro v2.6 designer issue

    - by Luis
    How do you delete more than one entity at the same time in the designer Entities list. it seems that the designer interface only allows the selection of 1 entity at a time.... This is frustrating, is this possible? Or even deleting all entities? Thanks Regards Luis

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