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  • Creating a castable entity class wrapper

    - by Tony
    Hi I need to have a wrapper class that exposes some properties of my entity class called ProfileEntity. I tried doing it by deriving from this entity and then creating properties that return specific entity properties, but it says I cannot cast from ProfileEntity to ProfileEntityWrapper. When I try to put the return values of a method that returns a 'ProfileEntity' into the wrapper I get the above error. How do I create such a wrapper class that is castable? Example class ProfileEntityWrapper : ProfileEntity { public string Name { get { return this.ProfileEntityName; } } public class Someclass { public ProfileEntity SomeMethod() { return ProfileEntity; // example of method returning this object } } public class SomeOtherlClass { SomeClass sc = new SomeClass(); public void DoSomething() { ProfileEntityWrapper ew = (ProfileEntityWrapper)sc.SomeMethod(); // Cannot do this cast!!! } }

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  • [C#] GrayScale (by ColorMatrix) causes OutOfMemoryException. Why ?

    - by Tony
    I have 2 forms, A and B. On the Form A, I click a button and an Image is being loaded to a PictureBox located ona the Form B. And, I want to set GrayScale to this image by: public void SetGrayScale(PictureBox pb) { ColorMatrix matrix = new ColorMatrix(new float[][] { new float[] {0.299f, 0.299f, 0.299f, 0, 0}, new float[] {0.587f, 0.587f, 0.587f, 0, 0}, new float[] {0.114f, 0.114f, 0.114f, 0, 0}, new float[] { 0, 0, 0, 1, 0}, new float[] { 0, 0, 0, 0, 0} }); Image image = (Bitmap)pb.Image.Clone(); ImageAttributes attributes = new ImageAttributes(); attributes.SetColorMatrix(matrix); Graphics graphics = Graphics.FromImage(image); graphics.DrawImage(image, new Rectangle(0, 0, image.Width, image.Height), 0, 0, image.Width, image.Height, GraphicsUnit.Pixel, attributes); graphics.Dispose(); pb.Image = image; } This code works properly when the PictureBox is on the same form (A). But, when it is on the Form B, the OutOfMemoryException is raised. Why ?

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  • JQUERY: Setting Active state on animated menu tabs

    - by Tony
    I have image sprites that use JQuery to set the BG position on mouseover and mouseout events. When I set the active state BG position using JQUERY it works fine until I move my cursor away from the active 'tab' which then fires the mouseout event animation. What I want is the mouseClick event to stop the animation on the active tab but still allow the animation effect to work on the other tabs, and when another tab is clicked for the active state to be removed from the current tab to the new 'active' tab. JQuery $(function(){ /* This script changes main nav links hover state*/ $('.navigation a') .css( {backgroundPosition: "-1px -120px"} ) .mouseover(function(){ $(this).stop().animate({backgroundPosition:"(-1px -240px)"}, {duration:400}) }) .mouseout(function(){ $(this).stop().animate({backgroundPosition:"(-1px -120px)"}, {duration:400, complete:function (){ $(this).css({backgroundPosition: "-1px -120px"}) }}) }) }); $(document).ready(function(){ $("a").click(function(){ $(this).css({backgroundPosition: "-1px -235px"}); }); }); HTML <ul class="navigation"> <li><a href="#index" tabindex="10" title="Home" id="homeButton"></a></li> <li><a href="#about" tabindex="20" title="About us" id="aboutButton"></a></li> <li><a href="#facilities" tabindex="30" title="Our facilities and opening Times" id="facilitiesButton"></a></li> <li><a href="#advice" tabindex="40" title="Advice and useful links" c id="adviceButton"></a></li> <li><a href="#find" tabindex="50" title="How to find Us" id="findButton"></a></li> <li><a href="#contact" tabindex="60" title="Get in touch with us" id="contactButton"></a></li> </ul> You can see what I've got so far here Thanks in advance for any help

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  • Saving Interface Builder Changes when building in Xcode

    - by Tony Eichelberger
    I know many of you have experienced the same the scenario, where you are banging your head against the wall wondering what is wrong with your app only to find that you have forgotten to save your Interface Builder changes. Well, this never happens to me, because for some reason Xcode will prompt me to save any changes in Interface Builder whenever I build. A coworker and I are trying to figure out how to change this on his machine, with no success. I must have done something in the very early stages of my iphone development life to configure this. Does anyone know how to link IB with Xcode so that it will prompt to save changes to IB files during a build?

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  • Recommended Math textbooks for programmers

    - by Tony
    I learned math in a non-English environment, I recently read some books about algorithm analysis, I found some math concepts were confusing, and seemed not the same as what I've learned. What math textbooks would you recommend that covers math concepts from the scratch and suitable for self-learning ?

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  • UITouches not detecting.

    - by Tony
    Hi, My UItouches is not detecting in my Slideshow nib file. What is the problem? Can anyone help? @class Slideshow; @interface RootViewController : UIViewController{ PreferencesController *preferencesController; Slideshow *slideshow;} Slideshow Implementation @implementation Slideshow - (void) touchesBegan:(NSSet*)touches withEvent:(UIEvent*)event { NSLog(@"touches begin"); } - (void)viewDidLoad { UIImageView *frontView = [[UIImageView alloc] initWithFrame:self.view.bounds]; frontView.backgroundColor = [UIColor blackColor]; frontView.image = [UIImage imageNamed:@"apple.png"]; frontView.userInteractionEnabled = YES; [self.view addSubview:frontView]; [frontView release]; }@end

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  • Quick fix, Read text in a text box?

    - by Tony C
    I have a simple text reading code for Visual Basic: Dim fileReader As String fileReader = My.Computer.FileSystem.ReadAllText("C:\test.txt") MsgBox(fileReader) I have used this in the past, but I usually make the text display in a text box. I know this is sort of a "newb" question but I can't remember how to display the text in a textbox. If you guys could help me out that would be great!

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  • Silverlight styles, an old school html style?

    - by tony
    Hi I'm looking for some free silverlight styles to play with. I'd ideally like a style which makes a silverlight page's controls (textbox, etc), look as though they came from a html page. Also after some other styles to play with, any good free libraries out there? thanks

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  • Storing varchar(max) & varbinary(max) together - Problem?

    - by Tony Basallo
    I have an app that will have entries of both varchar(max) and varbinary(max) data types. I was considering putting these both in a separate table, together, even if only one of the two will be used at any given time. The question is whether storing them together has any impact on performance. Considering that they are stored in the heap, I'm thinking that having them together will not be a problem. However, the varchar(max) column will be probably have the text in row table option set. I couldn't find any performance testing or profiling while "googling bing," probably too specific a question? The SQL Server 2008 table looks like this: Id ParentId Version VersionDate StringContent - varchar(max) BinaryContent - varbinary(max) The app will decide which of the two columns to select for when the data is queried. The string column will much used much more frequently than the binary column - will this have any impact on performance?

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  • Using a .txt file Resource in VB

    - by Tony C
    Right now i have a line of code, in vb, that calls a text file, like this: Dim fileReader As String fileReader = My.Computer.FileSystem.ReadAllText("data5.txt") data5.txt is a resource in my application, however the application doesn't run because it can't find data5.txt. I'm pretty sure there is another code for finding a .txt file in the resource that i'm overlooking, but i can't seem to figure it out. So does anyone know of a simple fix for this? or maybe another whole new line of code? Thanks in advance!

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  • Having Fun with Roughriders

    - by D'Arcy Lussier
    So I’m in Regina for a conference, and I happen to notice that some RoughRiders (Weston Dressler, Wes Cates, and Marcus Adams) are going to be signing autographs at the local SaskTel store on Thursday. So a plan gets hatched, and I call my buddy Mike who hasn’t left Winnipeg yet and have him pick up my Alouette jersey from home. My buddy Dylan who was here too happened to bring his Bomber jersey. And so we set off on our adventure: to get three Saskatchewan Roughrider players to autograph a calculator (cause, y’know…tough counting to 13 and all). Below is the footage. And continued… And here’s the autographed calculator: Thanks for being good sports guys! D Technorati Tags: CFL,Roughriders,Alouettes

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  • emacs frustration with web development

    - by Tony Cruise
    I really liked flexibility of emacs but it is really annoying to make it work. I want to use it for web development html, css, javascript, php. I first tried emacs-starter-kit . It didn't included nXhtml. Also C-g key binding does not work (they call it starter kit but basic key command does not work). I think it is mapped for git control. That's a frustration for a beginner. Then I replaced emacs-starter-kit with nXhtml. At least C-g is working. But code completion sucks, M-tab does not work. I tried code completion from nXhtml menu with no success. Also NXhtml mode did'nt colorized my file if css is mixed with html. Isn't it recommended for mixed html, css,php files. So why it doesnt work?. Why Emacs folks do not aware of convention over configuration? Dam! ship it something works! Please help me before I am getting crazy. I use Ubuntu 10.04 and emacs-snaphot-gtk 23.1.50-1. Please guide step by step with your working dotfile url. Even I accept I am a dummy it really annoying and frustrating to use emacs.

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  • Open Source Alternative to ASP.NET membership

    - by Tony Lenzi
    I'm currently supporting a Python web app with increasingly complicated user/role/permission management requirements. Currently, we are rolling our own user, groups, permissions, etc. code and supporting database. I'd like to find something like ASP.NET membership that can help manage user authentication and authorization, rather than risk security issues in continuing to create an increasingly complicated custom solution. Are there any similar projects out there worth taking a look at?

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  • Regular expressions .net

    - by Tony
    I have the following function that I am using to remove the characters \04 and nulls from my xmlString but I can't find what do I need to change to avoid removing the \ from my ending tags. This is what I get when I run this function <ARR>20080625<ARR><DEP>20110606<DEP><PCIID>626783<PCIID><NOPAX>1<NOPAX><TG><TG><HASPREV>FALSE<HASPREV><HASSUCC>FALSE<HASSUCC> Can anybody help me find out what do I need to change in my expression to keep the ending tag as </tag> Private Function CleanInput(ByVal inputXML As String) As String ' Note - This will perform better if you compile the Regex and use a reference to it. ' That assumes it will still be memory-resident the next time it is invoked. ' Replace invalid characters with empty strings. Return Regex.Replace(inputXML, "[^><\w\.@-]", "") End Function

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  • Oracle's HR Summit featuring Joyce Westerdahl is next week in Chicago!

    - by Jay Richey, HCM Product Marketing
    This special full day HR Summit will examine the future of work, and how shifting demographics, new talent pools, changing workforce practices, and evolving business models are impacting the HR landscape.   Joyce Westerdahl, Oracle Senior VP for HR, will share her HR strategies and insight as to how she created a flexible, global workforce that has supported the Oracle's ongoing transformation into an integrated technology solutions provider. Marcie van Houton, Fusion HCM Product Strategy Director, will delve into the innovative technologies that Oracle has developed to support all this change. And Sheryl Johnson, Director, Oracle Fusion HCM, PwC, will examine how high performing HR organizations are increasing their relevancy and value to the business, using organizational best practices and transformational technologies to drive real business results. Wednesday, December 7, 2011 11:00 a.m. – 4:15 p.m. JW Marriott Chicago 151 West Adams Street Chicago, Illinois 60603 www.oracle.com/us/dm/h2fy11/17109-nafm11032950mpp025-se-518477.html   

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  • Can I enable/disable breaking on Exceptions programatically?

    - by Tony Lambert
    I want to be able to break on Exceptions when debugging... like in Visual Studio 2008's Menu Debug/Exception Dialog, except my program has many valid exceptions before I get to the bit I wish to debug. So instead of manually enabling and disabling it using the dialog every time is it possible to do it automatically with a #pragma or some other method so it only happens in a specific piece of code?

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  • little oh notation as the limit of n goes to infinity

    - by Tony
    Hi all, I'm just trying to understand how in little o notation this is true: f(n)/g(n) as n goes to infinity = infinity? Can someone explain that to me? I do get the idea that f(n) = o(g(n)) means that f(n) grows no faster then cg(n) for all constants c 0. I just don't get the bit in bold above.

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  • Symfony Jobeet Tutorial Day 3, databases.yml error

    - by Tony
    Hi all, I'm new to Symfony and I'm going through the Jobeet tutorial v1.4 for Doctrine. I am currently stuck on Day 3. I've followed all the instructions on configuring the database and building models and modules; however, when I try to access "http://localhost:8080/frontend_dev.php" I receive the following error: 'Configuration "config/databases.yml" does not exist or is unreadable.' My config/databases.yml file looks like this: all: doctrine: class: sfDoctrineDatabase param: dsn: 'mysql:host=localhost;dbname=jobeet' username: root password: mysecret Creating the tables and loading the fixtures seem to work fine after checking the database with phpmyadmin. Any help would be appreciated. Thank you!

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  • How to recursively serialize an object using reflection ?

    - by Tony
    I want to navigate to the N-th level of an object, and serialize it's properties in String format. For Example: class Animal { public String name; public int weight; public Animal friend; public Set<Animal> children = new HashSet<Animal>() ; } should be serialized like this: {name:"Monkey", weight:200, friend:{name:"Monkey Friend",weight:300 ,children:{...if has children}}, children:{name:"MonkeyChild1",weight:100,children:{... recursively nested}} } And you may probably notice that it is similar to serializing an object to json. I know there're many libs can do this, can you give me some instructive ideas on how to write this?

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  • Track http domain referer

    - by tony noriega
    Can i track the http referer with javascript, and append a variable to the URL string to store into a dbase? or could i track a cookie that the user gets? (very layman's terms here, sorry) if http referrer is domain.com add to url '&referer=google' which should stay with them during their session. OR when a user clicks my Google adwords ad. they get a cookie with a referring domain in it. try to read that cookie, and append the same variable. any thoughts?

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