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  • Create a string with n characters.

    - by C. Ross
    Is there a way in java to create a string with a specified number of a specified character? In my case I would need to create a string with 10 spaces. My current code is: StringBuffer outputBuffer = new StringBuffer(length); for (int i = 0; i < length; i++){ outputBuffer.append(" "); } return outputBuffer.toString(); Is there a better way to accomplish the same thing. In particular I'd like something that is fast (in terms of execution).

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  • IEnumerator: Is it normal to have an empty Dispose method?

    - by C. Ross
    I'm writing an IEnumerator<T> class to iterate over a COM collection I'm wrappering. I've noticed that IEnumerator<T> extends IDisposable, so I'm required to implement the Dispose method. However, I can't think of anything I would put there, as I only have a reference to the collection (which I wouldn't want being disposed at the end of a foreach), and an int for the index. Is it normal to leave the Dispose method empty?

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  • Determining if object is visible and clickable

    - by Alan Mendelevich
    I'm looking for ways to effectively determine if a control is actually visible and clickable. I mean beyond checking Visibility property of the object. I can check RenderSize and that would be [0,0] if any of the parent elements is collapsed. So this is simple too. I can also traverse up the visual tree and see if Opacity of all elements is set to 1. What I don't know how to check nicely are these scenarios: The object is obstructed by some other object. Obviously it's possible to use FindElementsInHostCoordinates() and do computations to find out how much these objects obstruct but this could be an overkill. I can also make a "screenshot" of the object in question and "screenshot" of the whole page and check if pixels where my object should be match the actual object pixels. That sounds like an overkill too. The object is obstructed by a transparent object that still "swallows" clicks (taps). The workarounds for the first problem could still fail in this scenario. Any better ideas? Do I miss something? Thanks!

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  • Cast object as OleVariant in Delphi

    - by Alan Clark
    Is there a way to pass a wrap and unwrap a TObject descendent in an OleVariant? I am trying to pass a TObject across automation objects. I know it's not a good idea but I don't have a good alternative. Something like this: function GetMyObjAsVariant; var MyObj: TMyObj; begin MyObj := TMyObj.Create; result := OleVariant(MyObj); end; Which would be used by a client as var MyObj: TMyObj; begin MyObj := GetMyObjAsVariant as TMyObj; end; This fails to compile, returning E2015 Operator not applicable to this operand type.

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  • How do I keep subdomain.domain.com links from mapping to subdomain.domain.com/subdomain?

    - by Alan Jackson
    I have a virtual directory created and a sub domain that points to that virtual directory. My links always route to subdomain.domain.com/subdomain/controller/action when they can leave off the subdomain link. Is there an easy way to stop that? Also, it's the same problem when I mapped anotherdomain.com to my virtual directory. It ends up linking to anotherdomain.com/virtualdir/controller/action. It just looks unprofessional to me to have all my links be myapp.com/myapp/action/controller.

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  • Why calling flash function from javascript fails for me?

    - by Alan
    I'm doing it this way: ... public function j2fCall() { Alert.show( "j2fCall?"); } public function Main( nav: Navigation ) { if(ExternalInterface.available) { ExternalInterface.addCallback("javascriptUpdateSettings", j2fCall); } ... } But when I call javascriptUpdateSettings from javascript,only got the error: javascriptUpdateSettings is not defined What's wrong above? UPDATE I'm embedding swf and call it this way: swfobject.embedSWF("myContent.swf", "myContent", "300", "120", "9.0.0","expressInstall.swf", flashvars, params, attributes); swfobject.javascriptUpdateSettings();

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  • PHP contact form sends empty data

    - by Alan Lawlessness
    I am trying to create a HTML5 contact form compatible with computer and mobile devices, when I clicked on send message it jumps into a blank white screen. I do get a email but it contains no information. I am quite new with PHP. For www.rare1.ca/test: <!DOCTYPE html> <html> <head> <title>Responsive HTML5/CSS3 template</title> <meta charset="utf-8" /> <meta name = "viewport" content = "width=device-width, maximum-scale = 1, minimum- scale=1" /> <link rel="stylesheet" type="text/css" href="css/default.css" media="all" /> <link rel="stylesheet" href="css/flexslider.css" type="text/css" /> <link href='http://fonts.googleapis.com/css?family=PT+Sans' rel='stylesheet' type='text/css' /> <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js"> </script> <script src="js/jquery.flexslider.js"></script> <script src="js/default.js"></script> <!--[if lt IE 9]> <script src="http://html5shim.googlecode.com/svn/trunk/html5.js"></script> <script src="js/respond.min.js"></script> <![endif]--> </head> <body> <div id="pagewidth"> <header id="header"> <div class="center"> <nav id="mainNav"> <ul> <li class="active"><a href="#pagewidth"><span>gallery</span></a></li> <li></li> <li></li> <li></li> <li></li> <li><a href="#contactUs"><span>contact us</span></a></li> </ul> </nav> </div> </header> <div id="content"> <section class="row"> <div class="center"> <h1><img src="img/logo.gif" width="142" height="78"></h1> <strong class="subHeading">Coming soon</strong> <div class="gallery"> <ul class="slides"> <li><img src="img/img-gallery.jpg" alt="image" /></li> <li><img src="img/img-gallery2.jpg" alt="image" /></li> <li><img src="img/img-gallery3.jpg" alt="image" /></li> </ul> </div> <div class="buttons"></div> </div> </section> <section id="contactUs" class="row grey"> <div class="center"> <h1>Contact Us</h1> <strong class="subHeading">lorem ipsum dolor sit amet, consectetur adipiscing elit</strong> <div class="columns"> <div class="half"> <form action="sendemail.php" class="form"> <fieldset> <h2>Feedback form</h2> <div class="formRow"> <div class="textField"><input type="text" name="Name" id="name" placeholder="Your name ..." /></div> </div> <div class="formRow"> <div class="textField"><input type="text" name="Email" id="email" placeholder="Your Email ..." /></div> </div> <div class="formRow"> <div class="textField"><textarea name="Message" cols="20" rows="4" placeholder="Your message ..."></textarea> </div> </div> <div class="formRow"> <button class="btnSmall btn submit right"> <span>Send Message</span> </button> </div> </fieldset> </form> </div> <div class="half"> <h2>How to find us</h2> <div id="map"> <div class="imgHolder"><img src="img/map.jpg" alt="google map" /></div> </div> </div> </div> </div> </section> </div> <footer id="footer"> <div class="center"> </div> </footer> </div> </body> </html> <?php // This is the script for sending email. // change the email address below to your own email address. $mailTo = '[email protected]'; $name = htmlspecialchars($_POST['Name']); $mailFrom = htmlspecialchars($_POST['Email']); $message_text = htmlspecialchars($_POST['Message']); $headers = "From: $name <$mailFrom>\n"; $headers .= "Reply-To: $name <$mailFrom>\n"; $message = $message_text; mail($mailTo, $subject, $message, $headers ); ?>

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  • howto launch my application like MS-Office applications do using automation.

    - by Alan
    I am writing a c# application which references a separate dll which contains all the automation features i am trying to implement such as Application Object Model, doing all this by using delegates and events. What i want to be able todo is to reference my dll containing the application object model in a different process and for it to automatically launch my application, like MS-Word does when you call its application. Example: Microsoft.Office.Interop.Word.Application wordApp = new Microsoft.Office.Interop.Word.Application(); Word object model loads in the WinWord.exe running its own process how can i achieve this as well. Thanks in advance

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  • Formal name of Magento’s Class Override Design Pattern?

    - by Alan Storm
    Magento is a newish (past 5 years) PHP based Ecommerce system with an architecture that's similar to the Java Spring framework (or so I've been told) One of the features of the Framework is certain classes are not directly instantiated. Rather than do something like $model = new Mage_Foo_Model_Name(); you pass an identifier into a static method on a global application object $model = Mage::getModel('foo/name'); and this instantiates the class for you. One of the wins with this approach is getModel checks a global configuration system for the foo/name identifier, and instantiates the class name it finds in the configuration system. This allows you to change the behavior of a Model system wide with a single configuration change. Is there a formal, Gang of Four or otherwise, name that describes this system/design pattern? The instantiation itself looks like a classic Factory pattern, but I'm specifically interested in the whole "override a class in the system via configuration" aspect. Is there a name/concept that covers this, or is it contained within the worldview of a Factory?

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  • Property trigger in XAML for IsMouseOver fails to set Border.Background

    - by Mal Ross
    I'm currently trying to create a ControlTemplate for the Button class in WPF, replacing the usual visual tree with something that makes the button look similar to the little (X) close icon on Google Chrome's tabs. I decided to use a Path object in XAML to achieve the effect. Using a property trigger, the control responds to a change in the IsMouseOver property by setting the icon's red background. Here's the XAML from a test app: <Window x:Class="Widgets.Window1" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Title="Window1" Height="300" Width="300"> <Window.Resources> <Style x:Key="borderStyle" TargetType="Border"> <Style.Triggers> <Trigger Property="IsMouseOver" Value="True"> <Setter Property="Background"> <Setter.Value> <SolidColorBrush Color="#CC0000"/> </Setter.Value> </Setter> </Trigger> </Style.Triggers> </Style> <ControlTemplate x:Key="closeButtonTemplate" TargetType="Button"> <Border Width="12" Height="12" CornerRadius="6" BorderBrush="#AAAAAA" Background="Transparent" Style="{StaticResource borderStyle}" ToolTip="Close"> <Viewbox Margin="2.75"> <Path Data="M 0,0 L 10,10 M 0,10 L 10,0" Stroke="{Binding BorderBrush, RelativeSource={RelativeSource FindAncestor, AncestorType=Border, AncestorLevel=1}}" StrokeThickness="1.8"/> </Viewbox> </Border> </ControlTemplate> </Window.Resources> <Grid Background="White"> <Button Template="{StaticResource closeButtonTemplate}"/> </Grid> </Window> Note that the circular background is always there - it's just transparent when the mouse isn't over it. The problem with this is that the trigger just isn't working. Nothing changes in the button's appearance. However, if I remove the Background="Transparent" value from the Border object in the ControlTemplate, the trigger does work (albeit only when over the 'X'). I really can't explain this. Setters for any other properties placed in the borderStyle resource work fine, but the Background setter fails as soon as the default background is specified in the ControlTemplate. Any ideas why it's happening and how I can fix it? I know I could easily replace this code with, for example, a .PNG-based image, but I want to understand why the current implementation isn't working. Thanks! :)

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  • Choosing a Job based on languages?

    - by Alan
    How often is language the deciding factor for selecting a job? Many of us here are well versed in many languages, C++, Java, C#, and likely have many other languages under our belt for the right occassion (really any occasion is the right occasion for Python, AMIRITE?), so this isn't so much a question of choosing a job that is a good fit based on your skill set. Rather, if you are skilled with most languages, do you pick your favorite, or do you follow the money (given the tight economy). I'm considering coming out of retirement, and have started to look around and what's available. Over the years, I've moved towards C# and Python; many jobs in the area are looking for .NET developers, but there are plenty of them that do not. I cut my teef on C++, consider myself adept at the language, and know my way around a Java. But I find myself really digging what they're doing to C#, and I have always loved python. So when I see an interesting job req that is looking for C++ developers; it gives me 2nd thoughts. Not because I can't cut it, but because I don't know if I want to go back to C++. Even if the work will be interesting, how important is the language to you?

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  • Marking "example usage" in code documentation

    - by Ross
    What the best practice of placing example usage in code documentation? Is there a standardised way? With an @usage or @notes? For example: /** * My Function * @param object id anObject * @usage a code example here... */ function foo(id) { } or /** * My Function * @param object id anObject * @notes a code example here, maybe? */ function foo(id) { } I know this question should dependent on the documentation generator, but any heads up appreciated... I'm trying to get into the habit of using proper style. When time allow I'll get more into the generators. (I've experimented with Doxygen.) I often use AS3, JS, Obj-C, C++. Thanks

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  • Clickonce appref.ms argument

    - by alan
    I have a clickonce application that is available online or offline. The program takes an argument. When online I pass the argument on the url like so "url?argument" and it works well. Offline i start a process with the startmenu link to the application. My question is, is it possible to pass an argument to my application via this link? I guess I could somehow work out the location of the application file but is there an alternative?

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  • Lack of understanding crash report

    - by Alan Lai
    I have this crash report. Incident Identifier: CA9E350A-C842-4349-AAD8-E9E62E93BDD1 CrashReporter Key: 360bc129d2f79a48e291eb5ca38b24e822ed5b6b Hardware Model: xxx Process: OrientalDailyiOS [1502] Path: /var/mobile/Applications/39480A57-68FF-4C46-8445-340EFE204119/OrientalDailyiOS.app/OrientalDailyiOS Identifier: OrientalDailyiOS Version: ??? (???) Code Type: ARM (Native) Parent Process: launchd [1] Date/Time: 2012-10-14 15:49:10.884 -0700 OS Version: iOS 6.0 (10A403) Report Version: 104 Exception Type: EXC_CRASH (SIGABRT) Exception Codes: 0x0000000000000000, 0x0000000000000000 Crashed Thread: 0 Last Exception Backtrace: 0 CoreFoundation 0x37a0a29e __exceptionPreprocess + 158 1 libobjc.A.dylib 0x34e3197a objc_exception_throw + 26 2 CoreFoundation 0x37955b70 -[__NSArrayM objectAtIndex:] + 160 3 OrientalDailyiOS 0x00064fdc -[Main_NewsDetail viewDidLoad] (Main_NewsDetail.m:43) 4 UIKit 0x386cb590 -[UIViewController loadViewIfRequired] + 360 5 UIKit 0x38757336 -[UIViewController shouldAutorotate] + 22 6 UIKit 0x38798cd4 -[UIWindowController transition:fromViewController:toViewController:target:didEndSelector:] + 1540 7 UIKit 0x38797fca -[UIViewController presentViewController:withTransition:completion:] + 3390 8 UIKit 0x388ba252 -[UIViewController presentModalViewController:animated:] + 26 9 Foundation 0x34364a6a __NSFireDelayedPerform + 446 10 CoreFoundation 0x379df5da __CFRUNLOOP_IS_CALLING_OUT_TO_A_TIMER_CALLBACK_FUNCTION__ + 10 11 CoreFoundation 0x379df28c __CFRunLoopDoTimer + 268 12 CoreFoundation 0x379ddefc __CFRunLoopRun + 1228 13 CoreFoundation 0x37950eb8 0x37948000 + 36536 14 CoreFoundation 0x37950d44 CFRunLoopRunInMode + 100 15 GraphicsServices 0x373e32e6 GSEventRunModal + 70 16 UIKit 0x387002fc 0x386a9000 + 357116 17 OrientalDailyiOS 0x0005fac2 main (main.m:16) 18 OrientalDailyiOS 0x0005fa84 0x5e000 + 6788 However, I couldn't know where is error, I play around with my apps but show no error. I also tried iOS 6 with iPad, no problem. what apple feedback was We found that your app crashed on iPad running iOS 6, which is not in compliance with the App Store Review Guidelines. Your app crashed on both Wi-Fi and cellular networks when we: 1. Launch the app. 2. Tap any item on main page. 3. App crashes.

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  • scaling background and min size

    - by ross Hulford
    Hi I have big background images 1200 by 1200, what i would like to do is expand the images when the user resizes the browser but constrain it so they never scale any smaller than the original size. There all lots of scalable bg images out there but none I can find that do this, any help would be appreciated.

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  • How to gather arbitrary length list data in ASP.NET MVC.

    - by C. Ross
    I need to gather a list of items associated with another item from my user in a ASP.NET MVC project. I would like to have a controller action like bellow. [AcceptVerbs(HttpVerbs.Post)] public ActionResult Create(int x, int y, IEnumerable<int> zKeys) { //Do stuff here } How can I setup my form to pass data in this way? If data of this particular form can't be provided, what's the next best way to pass this type of information in ASP.NET MVC?

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  • New records added to DataGridView aren't displayed

    - by Ross
    I have a custom Order class, groups of which are stored in List<Order> and a DataGridView. I think the problem is in my implementation so here's how I'm using it: In the form enclosing DataGridView (as OrdersDataGrid): public partial class MainForm : Form { public static List<Order> Orders; public MainForm() { // code to populate Orders with values, otherwise sets Orders to new List<Order>(); OrdersDataGrid.DataSource = Orders; } Then in another form that adds an Order: // Save event public void Save(object sender, EventArgs e) { Order order = BuildOrder(); // method that constructs an order object from form data MainForm.Orders.Add(order); } From what I can tell from the console this is added successfully. I thought the DataGrid would be updated automatically after this since Orders has changed - is there something I'm missing? The DataGrid accepts the class since it generates columns from the members.

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  • Tool for sql refactoring?

    - by C. Ross
    Is there a refactoring tool available for SQL (TSQL in particular). Is there any tool that can do automatic simplification of SQL? I have a set of views where only the top two are used, and I'd like to refactor this into only two views, hence 10+ queries into two queries.

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  • iPhone: Going from transformed layers to jpeg

    - by Devin Ross
    I have a bunch of images that are transformed (using touch gestures). I want to take the transformations the user does to the images and create a jpeg from it. (ie. if a user rotates a photo to the right, I want to get a jpeg of the photo rotate to the right just as the looks on screen). This takes into account that the photo could be bigger than whats displayed on screen too (no screenshots). I'm trying to use CGContext (CGContextRotateCTM specifically) but its not been too successful. Thanks for the help.

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