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• Multiple dynamic method calls or declaring a variable in Grails

  - by user303979

  In my view, if I have a situation where I need to use a dynamic method (such as Domain.findByName("name")) in multiple places, would it be better to define a variable with and refer to that, rather than have the dynamic method in multiple places? I know this seems like an obvious answer, but I just wanted to make sure Grails doesn't cache it or something, and indeed two DB calls are being made.

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• Delphi DataSap in HTTP proxy Server

  - by Vicenet

  Hello TO All: I saw the Example of Mr. Bob regarding Delphi 2010 Datasnap, I am impressed. But my question is what if the client is connected thru proxy server? how could I define the proxy in the client? thanks...

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• Can't change the layout of alternatives keys show on android keyboard

  - by Tebam

  I want to change the default layout which Android uses for show the alternative keys when performs a long-press on a key. Keys have an attribute "android:popupKeyboard" used for define the layout of the alternative key list (which could be a Keyboard reference) but when I use it the Android's default layout still appears. Is possible to change or override this layout?

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• Do you know of a log4net appender which rolls on date, but let's you limit the total number of files

  - by Michal Drozdowicz

  Hi, I need to define an appender for log4net in a way that I get one log file for each day, but the total number of files are limited to, let's say, 30. That is I want to keep only the logs not older then 30 days, delete the older ones. I've tried doing it with RollingFileAppender, but it seems that specifying a limit of files to keep is not supported. Do you know of an alternative solution that I could use?

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• Declaring variable as PHP class

  - by iamdadude

  I have a variable called $theclass and it's a string "Home_class". How can I define a class out of that string? The reason I need to do this is that the variable will change and I want to be able to declare the class that the variable is equal to. Is this possible? Thanks for any help.

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• Help with my printf function

  - by nunos

  For debugging purposes I would like to have a printf_debug function that would function just like the standard printf function, but would only print if a #DEFINE DEBUG was true I know I have to use varagrs (...) but I have no idea how to actually achieve that. Thanks in advance.

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• How are DynamicResources built? Use in contextmenus.

  - by miguel

  Are dynamic resources truly dynamic? If I define a DynamicResource, I realise that an expression is created (where?) that is not translated into a resource until runtime, however, What I do not understans is whether this dynamicresouce, once built, is now "Static" For instance, if I create a context menu via a dynamicresource, are the menuitems which are created at runtime on access then static, even if they are bound? If so, how can i create a dynamic context menu in XAML?

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• Image on Navigation Bar Back Button

  - by Ajeet Kumar Yadav

  In our application I use Left and right button on navigation bar. I want a image on back (left)button.If i use segment for that then necessary to define a action for back button. Please advice me for any method.

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• Getting the median of 3 values using scheme's car & cdr

  - by kristian Roger

  The problem this time is to get the median of three values (easy) I did this: (define (med x y z) (car(cdr(x y z))) and it was accepted but when testing it: (med 3 4 5) I get this error: Error: attempt to call a non-procedure (2 3 4) And when entering letters instead of number i get: (md x y z) Error: undefined varia y (package user) Using something besides x y z I get: (md d l m) Error: undefined variable d (package user) the question was deleted dont know how anyway write a function that return the median of 3 values

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• Setting clustered index in nhibernate

  - by SolBadguy

  Hi. I'm trying to define a property that is not the id as a clustered index in nhibernate, yet I've found no way of doing this. Could anyone give me a pointer of how this is done, or it is something not currently available in nhibernate? Thanks in advance

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• Namespace constant in C#

  - by pm_2

  Is there any way to define a contsant variable for an entire namespace, rather than just within a class? For example: namespace MyNamespace { public const string MY_CONST = "Test"; static class Program { } } Gives a compile error as follows: Expected class, delegate, enum, interface, or struct

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• How to convert any fixed width layout to flex-width layout?

  - by metal-gear-solid

  How to convert any fixed width layout to flexi-width layout? any quick tips? In a website should we make every thing flexi-width? Header, footer, left or right sidebar, main content column? Should we make everything in 100% width or we should define a max-width for better readability?

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• Rails engines extending functionality

  - by sinsiliux

  So I have an engine which defines some models and controllers. I want to be able to extend functionality of some models/controllers in my application (eg. adding methods) without loosing the original model/controller functionality from engine. Everywhere I read that you simply need to define controller with the same name in your application and Rails will automatically merge them, however it doesn't work for me and controller in engine is simply ignored (I don't think it's even loaded).

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• Why does this code sometimes return NaN?

  - by carrots

  This often returns NAN ("Not A Number") depending on input: #define PI 3.1415f GLfloat sineEaseIn(GLfloat ratio) { return 1.0f-cosf(ratio * (PI / 2.0f)); } I tried making PI a few digits smaller to see if that would help. No dice. Then I thought it might be a datatype mismatch, but float and glfloat seem to be equivalent: gl.h typedef float GLfloat; math.h extern float cosf( float ); Is this a casting issue?

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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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• CSS filter for IE6 standard mode and quirk mode?

  - by jackysee

  Is there any CSS filter can be applied to detect IE6's standard mode and quirk mode? The story is that a jQuery script is using $.support.boxModel to handle different rendering mode. But the CSS use the *width hack to define the dimension. But this hack can only filter whether the browser is IE but not the real rendering mode IE is on.

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• What does it means? [c#]

  - by masoud ramezani

  If we define a property as public property and in this property we have a protected getter. what does it means? if property is public, what does defining a protected getter for that, means? please see below code: public ISessionFactory SessionFactory { protected get { return sessionFactory; } set { sessionFactory = value; } }

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• How to deprecate a macro in GCC?

  - by Eric

  Hi, i Know how to use attribute deprecated to deprcate a function like this: int old_fn () __attribute__ ((deprecated)); But how to deprecate a Macro like this: #define OLD_MACRO 1 Thank you in advance. Eric

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• error with redirect using listener JSF 2.0

  - by Ray

  I have a index.xhtml page <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xmlns:h="http://java.sun.com/jsf/html" xmlns:f="http://java.sun.com/jsf/core" xmlns:ui="http://java.sun.com/jsf/facelets"> <f:view> <ui:insert name="metadata" /> <f:event type="preRenderView" listener="#{item.show}" /> <h:body></h:body> </f:view> </html> And in bean class with scope session this method public void show() throws IOException, DAOException { ExternalContext externalContext = FacesContext.getCurrentInstance() .getExternalContext(); //smth String rootPath = externalContext.getRealPath("/"); String realPath = rootPath + "pages\\template\\body\\list.xhtml"; externalContext.redirect(realPath); } i think that I should redirect to next page but I have "browser can't show page" and list.xhtml (if I do this page as welcome-page I haven't error, it means that error connected with redirect) <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xmlns:h="http://java.sun.com/jsf/html" xmlns:f="http://java.sun.com/jsf/core" xmlns:ui="http://java.sun.com/jsf/facelets"> <h:body> <ui:composition template="/pages/layouts/mainLayout.xhtml"> <ui:define name="content"> <h:form></h:form></ui:define></ui:composition> </h:body> </html> in consol i didn't have any error. in web.xml <welcome-file-list> <welcome-file>index.xhtml</welcome-file> </welcome-file-list> <servlet> <servlet-name>Faces Servlet</servlet-name> <servlet-class>javax.faces.webapp.FacesServlet</servlet-class> <load-on-startup>1</load-on-startup> </servlet> <servlet-mapping> <servlet-name>Faces Servlet</servlet-name> <url-pattern>*.xhtml</url-pattern> </servlet-mapping> What can be the reason this problem?

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• ASP.net canvas server control

  - by Pierreten

  I was wondering if anyone has come up with an ASP.net server tag for the HTML5 canvas? I was thinking of something where I could declaritively define paths, curves; etc in the aspx markup, and the control would deliver the js to do this (perhaps with support for browser detection, and delivery of an emulation script for IE browsers.) Maybe a good idea for a Codeplex project for me to start up?

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• Emacs How to redefine Shift-R for expected use

  - by John Bellone

  I've checked my elisp files to make sure that I do not have any bindings that contain Shift+R (and I have not found any). I expect SHIFT+R to print an uppercase character, but instead I get R R undefined inside of the Emacs command line. This is only in C/C++ major modes. Any suggestions? Update: Describing the key shows that it is undefined. How would I define it for the normal, expected use (capitalizing the letter R)?

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• xcode - defining integer variables

  - by Mike

  If I have #define myVariable 10 and later I use this as in [self doSomething:myVariable]; Supposing doSomethign method is like - (void) doSomething:(int)myNumber; I receive a warning telling me that a "]" is expected before the ";" why is that and how to solve this? thanks for any help.

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• glGenBuffers not defined?

  - by user146780

  I'm using windows and I notice that a lot of functions are grayed out because I guess #ifdef GL_GLEXT_PROTOTYPES is not defined. One of these is the VBO extension. Should I just define GL_GLEXT_PROTOTYPES? Otherwise how else can I use VBOs since im using OpenGL32.dll (I want my application to have no dll dependencies not included in Windows by default.) Thanks

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• maintaining TreeSet sort as object changes value

  - by Stevko

  I've got a object that defines a 'natural sort order' using Comparable<. These are being stored in TreeSets. Other than removing and re-adding the object, is there another way to update the sort when the members that are used to define the sort order are updated?

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• Converting WAV to MP3 on Linux with low bitrates

  - by Olly

  I need to convert WAV files to MP3 files so they can be played on a website. I think that LAME would probably be the best tool. However the WAV files are low bitrate (around 8kbits recorded from a phone) and LAME's website states that it is the "best MP3 encoder at mid-high bitrates and at VBR". Is there is a better encoder for lower bitrates? If so can you define "better"?

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