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Articles indexed in March 2010

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  • Creating Html Helper Method - MVC Framework

    - by nettguy
    I am learning MVC from Stephen Walther tutorials on MSDN website. He suggests that we can create Html Helper method. Say Example using System; namespace MvcApplication1.Helpers { public class LabelHelper { public static string Label(string target, string text) { return String.Format("<label for='{0}'>{1}</label>", target, text); } } } My Question under which folder do i need to create these class? View folder or controller folder? or can i place it in App_Code folder?

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  • Rotate point in rectangle

    - by Dested
    I have a point in a rectangle that I need to rotate an arbitrary degree and find the x y of the point. How can I do this using javascript. Below the x,y would be something like 1,3 and after I pass 90 into the method it will return 3,1. |-------------| | * | | | | | |-------------| _____ | *| | | | | | | | | _____ |-------------| | | | | | *| |-------------| _____ | | | | | | | | |* | _____ Basically I am looking for the guts to this method function Rotate(pointX,pointY,rectWidth,rectHeight,angle){ /*magic*/ return {newX:x,newY:y}; }

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  • Quirks in .NET – Part 3 Marshalling Numbers

    - by thycotic
    Kevin has posted about marshalling numbers in the 3rd part of his ongoing blog series.   Jonathan Cogley is the CEO of Thycotic Software, an agile software services and product development company based in Washington DC.  Secret Server is our flagship enterprise password management product.

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  • Why is my PC boot time slow when USB HDD attached?

    - by John
    I have a USB Hard disk that I am using as a secondary drive just for extra storage. When this is attached and I start my PC the second screen says searching for mass storage dives for about 5 minutes before continuing on. The same happens when I have a USB pen disk attached upon boot. If I attach the device after the PC has loaded then it is very quick however plugging and unplugging is not ideal. Is there away to disable this in the BIOS as I cannot instantly see an option. On boot it informs me I have an American Trends AMIBIOS in the BIOS setup it states the version as v02.58 2006. This is running on a ASUS MV2 Motherboard.

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  • GWT UiBinder doesn't load the stylesheet

    - by halish
    I wanted to make a GWT widget using UiBinder. So I made: UserPanel.ui.xml like this: <?xml version="1.0" encoding="UTF-8"?> <ui:UiBinder xmlns:ui='urn:ui:com.google.gwt.uibinder' xmlns:g='urn:import:com.google.gwt.user.client.ui'> <ui:with field="res" type="com.example.resources.UserPanelResources" /> <g:VerticalPanel styleNames='{res.userpanel.main}'> ...some other widgets go here... </g:VerticalPanel> </ui:UiBinder> UserPanel.css like this: .main { width: 1000px; background-color: #f9f9fa; padding: 15px 10px; font-family: "Georgia"; } and UserPanelResources.java like: public interface UserPanelResources extends ClientBundle { public interface UserPanelCss extends CssResource { String main(); } @Source("css/userpanel.css") UserPanelCss userpanel(); } All the files and packages are in their place, as everything compiles just fine. But when I run the Development Mode, the styles are not applied! I tried many different approaches, but it still doesn't work. What I noticed, is that in the HTML, the VerticalPanel is given the class name obfuscated by GWT, but the CSS is not send to the browser - in fact, the GWT doesn't even ask for it. Am I missing something?

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  • What does the status code of the Perl interpreter mean?

    - by futureelite7
    Hi, This might sound slightly confusing, but please bear with me. I'm trying to execute a copy of the Perl interpreter using Java's Runtime.exec(). However, it returned error code 9. After running the file a few times, the perl interpreter mysteriously started to return code 253 with no changes in my command at all. What does code 253 / code 9 mean? A google search for perl interpreter's exit codes turned up nothing. Where can I find a list of exit codes for the Perl interpreter? Thanks!

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  • Weird output of Throwable getMessage()

    - by Ravi Gupta
    Hi I have below pseudo code with throws an exception like this throw new MyException("Bad thing happened","com.stuff.errorCode"); where MyException extends Exception class. So the problem is when I try to get the message from MyException class by calling myEx.getMessage() it returns ???en_US.Bad thing happened??? instead of my original message i.e. Bad thing happened I have checked that MyException class doesn't overrides Throwable class's getMessage() behavior. Below is the how the call passes from MyException.getMessage() to Throwable.getMessage() public MyException(String msg, String sErrorCode){ super(msg); this.sErrorCode = sErrorCode; this.iSeverity = 0; } which then calls public Exception(String message) { super(message); } and finally public Throwable(String message) { fillInStackTrace(); detailMessage = message; } when I do a getMessage on myexception it calls Throwable's getMessage as below public String getMessage() { return detailMessage; } So ideally it should return the original message as I set when throwing the exception. What's the ???en_US thing ?

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  • How can an amateur programmer become professional without formal education (college) outside the US

    - by AlexRednic
    What is the path? Do I get certified (Microsoft,Sun,etc)? How do I build reputation? How do I make myself valuable without a college degree? How do I make others recognize my value? These are just a few questions but all point in the same direction. Are any of you in the same situation? What paths did you follow to become a successful programmer without the need of formal education?

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  • UNIX Executable File

    - by iSight
    Hi, I got some file sample.mt from client, and when i open info, it reveals as UNIX Executable file. But, actually when i replaced the extension with zip, i could extract the file content. And it appears to be folder. Can any one say what exactly UNIX Executable file means and how is it created. By the way, that is created in Windows OS it seems.

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  • phppgadmin : How does it kick users out of postgres, so it can db_drop?

    - by egarcia
    I've got one Posgresql database (I'm the owner) and I'd like to drop it and re-create it from a dump. Problem is, there're a couple applications (two websites, rails and perl) that access the db regularly. So I get a "database is being accessed by other users" error. I've read that one possibility is getting the pids of the processes involved and killing them individually. I'd like to do something cleaner, if possible. Phppgadmin seems to do what I want: I am able to drop schemas using its web interface, even when the websites are on, without getting errors. So I'm investigating how its code works. However, I'm no PHP expert. I'm trying to understand the phppgadmin code in order to see how it does it. I found out a line (257 in Schemas.php) where it says: $data->dropSchema(...) $data is a global variable and I could not find where it is defined. Any pointers would be greatly appreciated.

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  • SQL and multiple statements in stored procedure

    - by Sjemmie
    I'm working on SQL server 2005 and I have a very simple stored procedure: create PROCEDURE [dbo].[tblTabel_Insert] @ID int, @Code nvarchar(50) = null AS SET NOCOUNT ON; IF EXISTS (SELECT ID, code FROM tblTabel WHERE ID = @ID and code = @Code) UPDATE tblTabel SET ID = @ID,code = @Code WHERE ID = @ID ELSE BEGIN INSERT INTO tblTabel (ID,code) VALUES ( @ID ,@Code); END My question is: is it posible to have multiple queries in my stored procedure ? I want to add the lines UPDATE tblTabelB SET ID = @ID,code = @Code WHERE ID = @ID UPDATE tblTabelC SET ID = @ID,code = @Code WHERE ID = @ID in my if exists section. How do I change my stored procedure in the correct way ?

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  • Enable button based on TextBox value (WPF)

    - by zendar
    This is MVVM application. There is a window and related view model class. There is TextBox, Button and ListBox on form. Button is bound to DelegateCommand that has CanExecute function. Idea is that user enters some data in text box, presses button and data is appended to list box. I would like to enable command (and button) when user enters correct data in TextBox. Things work like this now: CanExecute() method contains code that checks if data in property bound to text box is correct. Text box is bound to property in view model UpdateSourceTrigger is set to PropertyChanged and property in view model is updated after each key user presses. Problem is that CanExecute() does not fire when user enters data in text box. It doesn't fire even when text box lose focus. How could I make this work? Edit: Re Yanko's comment: Delegate command is implemented in MVVM toolkit template and when you create new MVVM project, there is Delegate command in solution. As much as I saw in Prism videos this should be the same class (or at least very similar). Here is XAML snippet: ... <UserControl.Resources> <views:CommandReference x:Key="AddObjectCommandReference" Command="{Binding AddObjectCommand}" /> </UserControl.Resources> ... <TextBox Text="{Binding ObjectName, UpdateSourceTrigger=PropertyChanged}"> </TextBox> <Button Command="{StaticResource AddObjectCommandReference}">Add</Button> ... View model: // Property bound to textbox public string ObjectName { get { return objectName; } set { objectName = value; OnPropertyChanged("ObjectName"); } } // Command bound to button public ICommand AddObjectCommand { get { if (addObjectCommand == null) { addObjectCommand = new DelegateCommand(AddObject, CanAddObject); } return addObjectCommand; } } private void AddObject() { if (ObjectName == null || ObjectName.Length == 0) return; objectNames.AddSourceFile(ObjectName); OnPropertyChanged("ObjectNames"); // refresh listbox } private bool CanAddObject() { return ObjectName != null && ObjectName.Length > 0; } As I wrote in the first part of question, following things work: property setter for ObjectName is triggered on every keypress in textbox if I put return true; in CanAddObject(), command is active (button to) It looks to me that binding is correct. Thing that I don't know is how to make CanExecute() fire in setter of ObjectName property from above code. Re Ben's and Abe's answers: CanExecuteChanged() is event handler and compiler complains: The event 'System.Windows.Input.ICommand.CanExecuteChanged' can only appear on the left hand side of += or -= there are only two more members of ICommand: Execute() and CanExecute() Do you have some example that shows how can I make command call CanExecute(). I found command manager helper class in DelegateCommand.cs and I'll look into it, maybe there is some mechanism that could help. Anyway, idea that in order to activate command based on user input, one needs to "nudge" command object in property setter code looks clumsy. It will introduce dependencies and one of big points of MVVM is reducing them. Is it possible to solve this problem by using dependency properties?

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  • Any other preprocessor directives in VBScript/Classic ASP?

    - by Frank
    The only pre-process directive that I know about in VBScript / Classic ASP is the #include. I don't know if that is the official name but I'm basically looking for code that can execute code or other instructions before the general VBScript. Are there any other such directives in VBScript? Such as #If or something? I'd like to be able to conditionally include or exclude a certain include file.

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  • Storing data to SequenceFile from Apache Pig

    - by asquithea
    Apache Pig can load data from Hadoop sequence files using the PiggyBank SequenceFileLoader: REGISTER /home/hadoop/pig/contrib/piggybank/java/piggybank.jar; DEFINE SequenceFileLoader org.apache.pig.piggybank.storage.SequenceFileLoader(); log = LOAD '/data/logs' USING SequenceFileLoader AS (...) Is there also a library out there that would allow writing to Hadoop sequence files from Pig?

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  • Flash AS3 Coloring Book - Movieclip only clickable in certain spots (Event Listeners)

    - by kilrizzy
    I am working on a coloring book and have a movieclip (outlines) containing many movieclips that can be changed to whatever color the user has selected. However it seems like some of the movieclips can be clicked anywhere and work great, and others you need to click a certain spot for it to color in. I have an example here: http://jeffkilroy.com/hosted/softee/coloring.html Notice the three sections of the icecream (top, middle, bottom). The middle is clickable from anywhere inside the movieclip, however the top and especially bottom require you to click on specific spots in order for you to activate the event listener. Not sure if it is a depth issue because I would assume if that is the case it would activate at least a different movieclip but it just seems nothing happens at all. Any help would be appreciated, I also have the source located here: Source CS4 Source CS3

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  • how to install yum on fedora core 6 with rpm

    - by Thomas
    I used this file http://www.icewalkers.com/rpm/yum/fedora-core-6/download/yum-3603.html all the links say file not found. I can install yum with rpm -ivh *.rpm I need to have yum in rpm If you know please tell me installing yum and dependencies with rpm.

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  • Radeon X1300 acceleration

    - by user30966
    Hello, I've just bought a Samsung XL2370 with a native resolution of 1920x1080. Should a Radeon X1300 be capable of shifting around windows on a screen that size? Because maximising and minimising windows, scrolling in Firefox and VS2008 seems very slow and jerky. Does the Radeon X1300 have any hardware accelearation? My old display was only 1028x768 and I never noticed any problems. Maybe is it time to buy a new graphics card? Thanks, AJ

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  • Centre content in a <div>

    - by Ben
    Hi, this is probably very simple to do, but i cant quite get it right. I have a which contains two tags. I would like the tags to be both centred vertically and horizontally. I have set them to centre horizontally by setting the text-align:center; on the div, but cant figure out how to vertically centre them. How would i go about doing this? Thanks.

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