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  • retrieving background image from div when dynamically set

    - by tixrus
    I am having an issue with setting the background-image of a #x to the background image of #y. Correct me if I am wrong but I think you would do this in a simple case by saying $('#x').css('background-image',$('#y').css('background-image')); The problem is that when y was initially set up, it was set up like this: <div id='y' style='background-image: url(./randomcolor.php?ibase=<?php echo $entity->name; ?>) .... So when it does it, it is getting the URL of the generator, and javascript is just regarding that as a string. Do I have to do an ajax get here, or is there some kind of eval I could use.

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  • where to get a wordpress theme review

    - by Ayrton
    Hi I'm currently developing some Wordpress templates and I wanted to get a review by a (semi)professional. I already know quite a bit about Wordpress,CSS, & JS but I was always a lone wolf without any guidance that's why I was wondering where I could find someone (trustworthy) to do something like this and how much he should charge me. It's pure about the code (the PHP, JS & the CSS) I would like to have a review on about (nothing design related). A link to the Wordpress theme I'm talking about: http://demo.wpmonk.com Yours truthfully

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  • JavaFX FXML communication between Application and Controller classes

    - by likethesky
    I am trying to get and destroy an external process I've created via ProcessBuilder in my FXML application close, but it's not working. This is based on the helpful advice Sergey Grinev gave me here. I have tried running with/without the "// myController.setApp(this);" and with "// super.stop();" at top of subclass and at bottom (see commented out/in for that line in MyApp), but no combination works. This probably isn't related to FXML or JavaFX, though I imagine this is a common pattern for developing apps on JavaFX. I suppose I'm asking for a Java best practice for closing dependent processes in a UI-based app like this one (in this case: FXML / JavaFX based), where there is a controller class and an application class. Can you explain what I'm doing wrong? Or better: advise what I should be doing instead? Thanks. In my Application I do this: public class MyApp extends Application { @Override public void start(Stage primaryStage) throws Exception { FXMLLoader fxmlLoader = new FXMLLoader(); Scene scene = (Scene)FXMLLoader.load(getClass().getResource("MyApp.fxml")); MyAppController myController = (MyAppController)fxmlLoader.getController(); primaryStage.setScene(scene); primaryStage.show(); // myController.setApp(this); } @Override public void stop() throws Exception { // super.stop(); // this is called on fx app close, you may call it in an action handler too if (MyAppController.getScriptProcess() != null) { MyAppController.getScriptProcess().destroy(); } super.stop(); } public static void main(String[] args) { launch(args); } } In my Controller I do this: public class MyAppController implements Initializable { private Application app; private static Process scriptProcess; public void setApp(Application a) { app = a; } public static Process getScriptProcess() { return scriptProcess; } } The result when I run with the "commented-out setApp()" not commented out (that is, left in the start method), is the following, immediately upon launch (the main Scene flashes, then disappears, then this dialog appears: "JavaFX Launcher Error: Exception while running Application" And it gives an, "Exception in Application start method" in the console as well. The result when I leave out the "commented-out code" in my MyApp above (that is, remove the "setApp()" from the start method), is that my app does indeed close, but gives this error when it closes: Exception in thread "JavaFX Application Thread" java.lang.RuntimeException: java.lang.reflect.InvocationTargetException at javafx.fxml.FXMLLoader$ControllerMethodEventHandler.handle(FXMLLoader.java:1440) at com.sun.javafx.event.CompositeEventHandler.dispatchBubblingEvent(CompositeEventHandler.java:69) at com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:217) at com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:170) at com.sun.javafx.event.CompositeEventDispatcher.dispatchBubblingEvent(CompositeEventDispatcher.java:38) at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:37) at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:92) at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:35) at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:92) at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:35) at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:92) at com.sun.javafx.event.EventUtil.fireEventImpl(EventUtil.java:53) at com.sun.javafx.event.EventUtil.fireEvent(EventUtil.java:28) at javafx.event.Event.fireEvent(Event.java:171) at javafx.scene.Node.fireEvent(Node.java:6863) at javafx.scene.control.Button.fire(Button.java:179) at com.sun.javafx.scene.control.behavior.ButtonBehavior.mouseReleased(ButtonBehavior.java:193) at com.sun.javafx.scene.control.skin.SkinBase$4.handle(SkinBase.java:336) at com.sun.javafx.scene.control.skin.SkinBase$4.handle(SkinBase.java:329) at com.sun.javafx.event.CompositeEventHandler.dispatchBubblingEvent(CompositeEventHandler.java:64) at com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:217) at com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:170) at com.sun.javafx.event.CompositeEventDispatcher.dispatchBubblingEvent(CompositeEventDispatcher.java:38) at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:37) at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:92) at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:35) at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:92) at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:35) at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:92) at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:35) at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:92) at com.sun.javafx.event.EventUtil.fireEventImpl(EventUtil.java:53) at com.sun.javafx.event.EventUtil.fireEvent(EventUtil.java:33) at javafx.event.Event.fireEvent(Event.java:171) at javafx.scene.Scene$MouseHandler.process(Scene.java:3324) at javafx.scene.Scene$MouseHandler.process(Scene.java:3164) at javafx.scene.Scene$MouseHandler.access$1900(Scene.java:3119) at javafx.scene.Scene.impl_processMouseEvent(Scene.java:1559) at javafx.scene.Scene$ScenePeerListener.mouseEvent(Scene.java:2261) at com.sun.javafx.tk.quantum.GlassViewEventHandler.handleMouseEvent(GlassViewEventHandler.java:228) at com.sun.glass.ui.View.handleMouseEvent(View.java:528) at com.sun.glass.ui.View.notifyMouse(View.java:922) at com.sun.glass.ui.gtk.GtkApplication._runLoop(Native Method) at com.sun.glass.ui.gtk.GtkApplication$3$1.run(GtkApplication.java:82) at java.lang.Thread.run(Thread.java:722) Caused by: java.lang.reflect.InvocationTargetException at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:601) at javafx.fxml.FXMLLoader$ControllerMethodEventHandler.handle(FXMLLoader.java:1435) ... 44 more Caused by: java.lang.NullPointerException at mypackage.MyController.handleCancel(MyController.java:300) ... 49 more Clean up...

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  • How to use a linkedList and multiple classes with my Java GUI

    - by Asj
    How should I use a linked list with my GUI program? The program is supposed to have blocks with textareas and dropdown menus. The number of blocks depends on the number of times the user presses a button. It's supposed to be possible to put blocks within blocks. I want to store the information created, using a linked list and then saving to a file. I'm thinking, for the sub blocks, there would be linked lists within the linked list. Should I use Java.util.LinkedList? How do I add the information? A Node class? Should that be in a separate file? I started to try sitting up a linked list, but it's getting me confused. I'm still unsure about how a person is supposed to make GUI's. I've only seen really simple GUI's. Can anyone tell me how I should arrange things? At the moment, I have three files, one for the main GUI window, one for the question blocks to be inserted within that, and one for some tools to use within those two files to make the code easier to understand. But, there seems to be something wrong with the question block file, because I've been making the background white for each JPanel, and there's a gray outline around the question blocks when I run the program. I probably shouldn't paste a ton of code here... These are my files: http://asj127.webs.com/BuildAssessmentWindow.java http://asj127.webs.com/QuestionBlock.java http://asj127.webs.com/JPanelTools.java

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  • Why cant partial methods be public if the implementation is in the same assembly?

    - by Simon
    According to this http://msdn.microsoft.com/en-us/library/wa80x488.aspx "Partial methods are implicitly private" So you can have this // Definition in file1.cs partial void Method1(); // Implementation in file2.cs partial void Method1() { // method body } But you cant have this // Definition in file1.cs public partial void Method1(); // Implementation in file2.cs public partial void Method1() { // method body } But why is this? Is there some reason the compiler cant handle public partial methods?

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  • How to rebuild C# Class from XML

    - by mcass20
    I would like to save an instance of a c#.NET class in SQL for later retrieval. I am able to use LINQ to SQL to add a record complete with all the xml that makes up the class. Now how do I retrieve that xml and reconstruct the class object instance?

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  • Which are the most important media queries to use in creating mobile responsive design?

    - by Matt
    There are a lot different media queries for mobile screen sizes. It can be overwhelming to accomodate all of them when designing a responsive mobile site. Which are the most important ones to use when designing for mobile? I found this article that does a pretty good job of outlining the available media queries: http://css-tricks.com/snippets/css/media-queries-for-standard-devices/. /* Smartphones (portrait and landscape) ----------- */ @media only screen and (min-device-width : 320px) and (max-device-width : 480px) { /* Styles */ } /* Smartphones (landscape) ----------- */ @media only screen and (min-width : 321px) { /* Styles */ } /* Smartphones (portrait) ----------- */ @media only screen and (max-width : 320px) { /* Styles */ } /* iPads (portrait and landscape) ----------- */ @media only screen and (min-device-width : 768px) and (max-device-width : 1024px) { /* Styles */ } /* iPads (landscape) ----------- */ @media only screen and (min-device-width : 768px) and (max-device-width : 1024px) and (orientation : landscape) { /* Styles */ } /* iPads (portrait) ----------- */ @media only screen and (min-device-width : 768px) and (max-device-width : 1024px) and (orientation : portrait) { /* Styles */ } /* Desktops and laptops ----------- */ @media only screen and (min-width : 1224px) { /* Styles */ } /* Large screens ----------- */ @media only screen and (min-width : 1824px) { /* Styles */ } /* iPhone 4 ----------- */ @media only screen and (-webkit-min-device-pixel-ratio : 1.5), only screen and (min-device-pixel-ratio : 1.5) { /* Styles */ }

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  • Don't want to JSON serialize the whole list of classes

    - by mjmcloug
    Hey, I've got a IList of Sites in my application and Site has a large amount of properties. I'm wanting to convert this list to JSON to be used in a dropdownlist similar to this var sites = SiteRepository.FindAllSites(); return new JsonResult() { Data = sites, JsonRequestBehavior = JsonRequestBehavior.AllowGet }; the problem I have is that I only want to use the id and name properties of the site class. I was thinking a way round this would be to use an 'adaptor' class that would then only expose these two properties and I would then serialize that. The problem I have is I want to make the class generic so that it can handle any list of objects. Has anybody come across a similar situation and solved it?

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  • Calling function using 'new' is less expensive than without it?

    - by Matthew Taylor
    Given this very familiar model of prototypal construction: function Rectangle(w,h) { this.width = w; this.height = h; } Rectangle.prototype.area = function() { return this.width * this.height; }; Can anyone explain why calling "new Rectangle(2,3)" is consistently 10x FASTER than calling "Rectangle(2,3)" without the 'new' keyword? I would have assumed that because new adds more complexity to the execution of a function by getting prototypes involved, it would be slower. Example: var myTime; function startTrack() { myTime = new Date(); } function stopTrack(str) { var diff = new Date().getTime() - myTime.getTime(); println(str + ' time in ms: ' + diff); } function trackFunction(desc, func, times) { var i; if (!times) times = 1; startTrack(); for (i=0; i<times; i++) { func(); } stopTrack('(' + times + ' times) ' + desc); } var TIMES = 1000000; trackFunction('new rect classic', function() { new Rectangle(2,3); }, TIMES); trackFunction('rect classic (without new)', function() { Rectangle(2,3); }, TIMES); Yields (in Chrome): (1000000 times) new rect classic time in ms: 33 (1000000 times) rect classic (without new) time in ms: 368 (1000000 times) new rect classic time in ms: 35 (1000000 times) rect classic (without new) time in ms: 374 (1000000 times) new rect classic time in ms: 31 (1000000 times) rect classic (without new) time in ms: 368

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  • How to use Vendor Properties in Multiple Backgrounds?

    - by barraponto
    I want to use multiple backgrounds in css, which are currently supported by Firefox 3.61, Chrome/Safari, supposedly Opera10.5 (doesn't run on gnu/linux). It is working fine, however i would like to use linear-gradients as a background. it works ok for Firefox, doesn't work at all with Chrome, yet i can't figure out how to make it work for both at the same time. any clues? http://snook.ca/archives/html_and_css/multiple-bg-css-gradients came the closest to match what i need, but i couldn't get it to work with chrome yet.

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  • Dynamically writing page titles and active classes with php

    - by toomanyairmiles
    For some time now I've been using the following code to dynamically write in html page titles and add an active class to menu items. Is this still a good why to achieve this or are there better/smarter/optimal ways of achieving the same thing? <?php echo (basename($_SERVER['SCRIPT_FILENAME'])=='contact.php'? 'class="active"' : '');?> Menu example <ul id="nav"> <li><a href="index.php" target="_parent" <?php echo (basename($_SERVER['SCRIPT_FILENAME'])=='index.php'? 'class="active"' : '');?>><span>Home</span></a></li> <li><a href="services.php" target="_parent" <?php echo (basename($_SERVER['SCRIPT_FILENAME'])=='services.php'? 'class="active"' : '');?><?php echo (basename($_SERVER['SCRIPT_FILENAME'])=='services-landlords.php'? 'class="active"' : '');?><?php echo (basename($_SERVER['SCRIPT_FILENAME'])=='services-sellers.php'? 'class="active"' : '');?><?php echo (basename($_SERVER['SCRIPT_FILENAME'])=='services-tennants.php'? 'class="active"' : '');?>><span>Our Services</span></a></li> <li><a href="for-sale.php" target="_parent" <?php echo (basename($_SERVER['SCRIPT_FILENAME'])=='sales.php'? 'class="active"' : '');?>><span>Sales</span></a></li> <li><a href="to-let.php" target="_parent" <?php echo (basename($_SERVER['SCRIPT_FILENAME'])=='lettings.php'? 'class="active"' : '');?>><span>Lettings</span></a></li> <li><a href="register.php" target="_parent" <?php echo (basename($_SERVER['SCRIPT_FILENAME'])=='register.php'? 'class="active"' : '');?><?php echo (basename($_SERVER['SCRIPT_FILENAME'])=='register-thanks.php'? 'class="active"' : '');?>><span>Register</span></a></li> <li><a href="contact.php" target="_parent" <?php echo (basename($_SERVER['SCRIPT_FILENAME'])=='contact.php'? 'class="active"' : '');?>><span>Contact Us</span></a></li> </ul> Page title Example <?php echo (basename($_SERVER['SCRIPT_FILENAME'])=='services.php'? 'Services' : '');?> <?php echo (basename($_SERVER['SCRIPT_FILENAME'])=='services-landlords.php'? 'Services for Landlords' : '');?>

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  • VB Classes Best Practice - give all properties values?

    - by Becky Franklin
    Sorry if this is a bit random, but is it good practice to give all fields of a class a value when the class is instanciated? I'm just wondering if its better practice to have a constuctor that takes no parameters and gives all the fields default values, or whether fields that have values should be assigned and others left alone until required? I hope that makes sense, Becky

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  • Passing data to a non-static listBox, by calling function from another class

    - by Andrew A
    I have a simple forms program that I have been fighting with for a while now. I simply want to be able to call a method from a different class file (when a certain step is triggered in the code in that class file) in order to insert a string in the listBox. Here is my main method, pretty standard: class Program { [STAThread] static void Main(string[] args) { Application.EnableVisualStyles(); Application.SetCompatibleTextRenderingDefault(false); Application.Run(new MainForm()); } } Here is the function which resides in my MainForm.cs file, which I can call just fine from that class file (via 'TextToBox(myString);'): public partial class MainForm : Form { ... // Function to output results to main Listbox window public void TextToBox(string aString) { // Place messages in Main Display list box window this.listBox1.Items.Insert(0, aString); } ... } But my problem is when I am in another class and I want to call 'TextToBox(myString);'. If I create another object reference of the MainForm, the code compiles fine but nothing will show up in the listBox. How do I do this? I cannot simply make TextToBox() static. I know I must create the object reference but I can't figure out how to reference the ORIGINAL MainForm, the one that was created in the Main method. Thanks in advance...

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  • Question about migrating from ASP .NET User Controls to .NET 3.5 Master Page technology

    - by Jim McFetridge
    When migrating from an ASP .NET user control -based page with a header, footer, and menu to a Master Page using the same HTML mark-up, is it normal for CSS or javascript behaviors to change slightly? In particular, the submenu bar text now appears run together (which looks like a CSS symptom) and the graphics on the line above it appear to have an incorrect z-order. (The menu operation is javascript-based.) (I tried to paste images here but couldn't.) Also, the site is very large and we've not been given permission to redo the menu for the entire site. This is a forward-only migration. (Because I know that someone will ask.) Assuming that there are no changes in scope, what are the things that I should check? Thanks! Jim

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  • "Undefined Symbols" when inheriting from stdexcept classes

    - by Austin Hyde
    Here is an exception defined in <stdexcept>: class length_error : public logic_error { public: explicit length_error(const string& __arg); }; Here is my exception: class rpn_expression_error : public logic_error { public: explicit rpn_expression_error(const string& __arg); }; Why do I get this error when <stdexcept> does not? Undefined symbols: rpn_expression_error::rpn_expression_error(/*string*/ const&), referenced from: ... ld: symbol(s) not found

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  • i want to have some cross browser consistency on my fieldsets, do you know how can i do it?

    - by Omar
    i have this problem with fieldsets... have a look at http://i.imgur.com/IRrXB.png is it possible to achieve what i want with css??? believe me, i tried! as you can see on the img, i just want the look of the legend to be consistent across browsers, i want it to use the width of the fieldset no more (like chrome and ie) no less (like firefox), dont worry about the rounded corners and other issues, thats taken care of. heres the the core i'm using. CSS <style type="text/css"> fieldset {margin: 0 0 10px 0;padding: 0; border:1px solid silver; background-color: #f9f9f9; -moz-border-radius:5px; -webkit-border-radius:5px; border-radius:5px} fieldset p{clear:both;margin:.3em 0;overflow:hidden;} fieldset label{float:left;width:140px;display:block;text-align:right;padding-right:8px;margin-right: 2px;color: #4a4a4a;} fieldset input, fieldset textarea {margin:0;border:1px solid #ddd;padding:3px 5px 3px 5px;} fieldset legend { background: #C6D1E8; position:relative; left: -1px; margin: 0; width: 100%; padding: 0px 5px; font-size: 1.11em; font-weight: bold; text-align:left; border: 1px solid silver; -webkit-border-top-left-radius: 5px; -webkit-border-top-right-radius: 5px; -moz-border-radius-topleft: 5px; -moz-border-radius-topright: 3px; border-top-left-radius: 5px; border-top-right-radius: 5px; } #md {width: 400px;} </style> HTML <div id="md"> <fieldset> <legend>some title</legend> <p> <label>Login</label> <input type="text" /> </p> <p> <label>Password</label> <input type="text" /> </p> <p><label>&nbsp;</label> <input type="submit"> </p> </fieldset> </div>

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  • Unable to use background-position: center for VBox in flex

    - by Zeeshan Rang
    Hi I am trying to use css to have a background in a VBox which is positioned to the top of the container. my css style looks like below: <mx:Style> .agendaDateVBoxStyle { vertical-gap:0; corner-radius: 10; border-style:solid; border-color: #7191ba; background-color: #000000; background-image: 'assets/calendar/images/agenda-date-bg.png'; background-repeat:no-repeat; background-position:top; } Can someone help me with the situation. Regards Zee

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  • Why can't sub-packages see package private classes?

    - by Polaris878
    Okay so, I have this project structure: package A.B class SuperClass (this class is marked package private) package A.B.C class SubClass (inherits from super class) I'd rather not make SuperClass publicly visible... It is really just a utility class for this specific project (A.B). It seems to me that SubClass should be able to see SuperClass, because package A.B.C is a subpackage of A.B... but this is not the case. What would be the best way to resolve this issue? I don't think it makes sense to move everything in A.B.C up to A.B or move A.B down to A.B.C... mainly because there will probably be an A.B.D which inherits from stuff in A.B as well... I'm a bit new to Java, so be nice :D (I'm a C++ and .NET guy)

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  • Which DB? Linq to SQL classes

    - by gadirzade
    Hi. I wont to devolope multiple user supported accounting management aplication in c#.I wont to use linq to sql clases.LINQ to SQL only supports SQL Server/Compact however it is possible the SQLite people have written their own LINQ provider given the name of the assembly.I have to use Db that is FREE.Which DBMS do you prefer to me?

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  • Writing a factory for classes that have required arguments

    - by Kyle Adams
    I understand the concept of factory pattern such that you give it something it spits out something of the same template back so if I gave a factory class apple, I expect to get many apples back with out having to instantiate a new apple ever time. what if that apple has a required argument of seed, or multiple required arguments of seed, step and leaf? how do you use factory pattern here? that is how do I use factory pattern to instantiate this: $apple = new Apple($seed, $stem, $leaf);

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  • Classes, constructor and pointer class members

    - by pocoa
    I'm a bit confused about the object references. Please check the examples below: class ListHandler { public: ListHandler(vector<int> &list); private: vector<int> list; } ListHandler::ListHandler(vector<int> &list) { this->list = list; } Here I would be wasting memory right? So the right one would be: class ListHandler { public: ListHandler(vector<int>* list); private: vector<int>* list; } ListHandler::ListHandler(vector<int>* list) { this->list = list; } ListHandler::~ListHandler() { delete list; }

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