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  • Referring to a specific place on page

    - by misha-moroshko
    I know that in Javascript document.location.href = "#my_id" tells the browser to display the same page starting from element with id="my_id". In this case, the address that appears in the address bar is in the following format: my_page_address#my_id Is this the only method to refer to a specific place on a page ? I'm looking for a method that will not show my_id in the address bar.

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  • Recurssion Question : Revision

    - by stan
    My slides say that A recurssive call should always be on a smaller data structure than the current one There must be a non recurssive option if the data structure is too small You need a wrapper method to make the recurssive method accessible Just reading this from the slides makes no sence, especially seeing as it was a topic from before christmas! Could anyone try and clear up what it means please? Thank you

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  • Flickering Image in Java?

    - by Noah Cagle
    OK so I am coding a game right now to prepair for Ludum Dare SharkJam, and I am using a new method for programming, because the last method I had crashes my PC, so this one should work. Well it does work and all, better too, but the images that I put in it flicker. Here is the whole main class (where the images are drawn) package me.NoahCagle.watermaze; import java.awt.Color; import java.awt.Graphics; import java.awt.Image; import java.awt.image.BufferedImage; import javax.swing.JFrame; import me.NoahCagle.watermaze.entity.EntityShark; import me.NoahCagle.watermaze.entity.Player; import me.NoahCagle.watermaze.input.Keys; import me.NoahCagle.watermaze.map.Map; public class Game extends JFrame { private static final long serialVersionUID = 1L; Map map = new Map(0, 0); Player player = new Player(50, 30); static EntityShark shark = new EntityShark(400, 400); public Image dbImage; public Game() { setSize(800, 600); setDefaultCloseOperation(EXIT_ON_CLOSE); setLocationRelativeTo(null); setVisible(true); setTitle("Water Maze"); setResizable(false); setBackground(Color.blue); addKeyListener(new Keys()); } public static void main(String[] args) { new Game(); Thread s = new Thread(shark); s.start(); } public void paint(Graphics g) { dbImage = new BufferedImage(getWidth(), getHeight(), BufferedImage.TYPE_INT_RGB); g.drawImage(dbImage, map.x, map.y, null); g.drawImage(player.player, player.x, player.y, this); g.drawImage(shark.shark, shark.x, shark.y, this); repaint(); } } What this code does for me is makes the Images work correctly, just flickering, alot. Can anyone help me with my issue? EDIT: I think it has something to do with where I call the repaint method in the paint method, so look there.

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  • C#: How to find the default value for a run-time Type?

    - by George Mauer
    So given a static type in your code you can do var defaultMyTypeVal = default(MyType); How would you do the same thing given a variable of Type so you can use it during runtime? In other words how do I implement the following method without a bunch of if statements or using Generics (because I will not know the type I'm passing into the method at compile time)? public object GetDefaultValueForType(Type type) { .... }

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  • How to do a Post/Redirect/Get using Sinatra?

    - by John Topley
    What's Sinatra's equivalent of Rails' redirect_to method? I need to follow a Post/Redirect/Get flow for a form submission whilst preserving the instance variables that are passed to my view. Does the redirect method preserve them? (I'm at work at the moment and don't have access to Sinatra to try for myself.)

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  • C# = HtmlEncode from Class Library

    - by Villager
    Hello, I have a class library (in C#). I need to encode my data using the HtmlEncode method. This is easy to do from a web application. My question is, how do I use this method from a class library that is being called from a console application? Thank you!

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  • Samples of Scala and Java code where Scala code looks simpler/has less lines?

    - by Roman
    I need some code samples (and I also really curious about them) of Scala and Java code which show that Scala code is more simple and concise then code written in Java (of course both samples should solve the same problem). If there is only Scala sample with comment like "this is abstract factory in Scala, in Java it will look much more cumbersome" then this is also acceptable. Thanks!

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  • android ListView question

    - by michael
    Hi, I have a ListView in my android application. If I flick up/down the ListView, which method will return my 'selected' element in my list View? How about if I use the track ball to navigate up/down my list view, which method will return the index of my selected element? Thank you.

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  • tool to find out distance in terms of no. of hops in unix

    - by mawia
    Hi! all, I am writing an application for video streaming.In the application server is required to know the distance of the client from it self in terms of hop number.My question is,is there any tool/method other than traceroute available in unix environment to find it? I also need to find out the geographical location of the client.So is their any tool/method for this as well? Any help in this regard will be highly appreciated. Thanks in advance. Mawia

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  • interact with an interface?

    - by ajsie
    from what i've read it seems that one can interact with an interface? eg. lets say that i've got an interface with an empty method "eat()" then 2 subclasses are implementing this interface. can my controller interact with only the interface and use it's eat() method? have a look at the picture in this link strategy

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  • .NET Threading : How to wait for other thread to finish some task

    - by Alex Ilyin
    Assume I have method void SomeMethod(Action callback) This method does some work in background thread and then invokes callback. The question is - how to block current thread until callback is called ? There is an example bool finished = false; SomeMethod(delegate{ finished = true; }); while(!finished) Thread.Sleep(); But I'm sure there should be better way

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  • Read Windows event logs using Enterprise Library

    - by Sathish
    I am using Enterprise library 3.1 to log application logs in Windows event logs, and I want to read this log by passing the date parameter. Please note that I will be accessing the remote machine and the performance should be good. Is there any method that can be used to read these logs using Ent Lib, or please suggest some good method.

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  • Problem with setProgressDrawable

    - by Martin
    I am having problem with setting a new Drawable to my ProgressBar. If I use the setProgressDrawable() inside onCreate() method it works great. But when I try to call the same method inside a Handler post callback it doesn't work and the progressbar disapears. Can someone explain this behaviour? How can I solve this problem?

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  • Problem with thread after SCREEN_OFF in Android

    - by michael
    I’m doing an application that listens to the android.intent.action.SCREEN_OFF in a Service (if that matter) and then it is supposed to wait a few seconds and launch an action, I’ve tried a timer schedule method, thread and handler postDelay method but all of them seems to fail, they are never executed on a device, it seems like it’s being freezed/killed after phone is locked. It works on emulator and on device attached to USB, but never with device working on battery only, which actually is a main scenario. Do you know any solutions to this?

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  • Where to initialize a NSMutableArray?

    - by eco_bach
    Hi having an issue using a NSMutableArray; In my implementation file applicationDidFinishLaunching method I have _imgArray = [NSMutableArray array]; and _imgArray is defined in my .h file as NSMutableArray *_imgArray; After populating it, it traces out correctly. The problem is, in another method in my implementation file, I can't seem to acces the _imgArray array. It traces out to _imgArray= ar.lproj What gives?

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  • Route Values for Area (MVC3)

    - by Jim
    Hi, I am using areas in MVC version 3. My logoff and logon action methods are routing to the area, and I need them to route to the normal controller that is not in an area. I have tried the following host://AREA/CONTROLLER/METHOD instead of host://CONTROLLER/METHOD. @if(Request.IsAuthenticated) { <text>Welcome <b>@Context.User.Identity.Name</b> [ @Html.ActionLink("Log Off", "LogOff", "Account", new { area = "" }) ]</text> } else { @:[ @Html.ActionLink("Log On", "LogOn", "Account", new { area = "" }) ] }

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  • URL Routing in Java

    - by Jack
    Coming from other web frameworks, I'm used to being able to map parts of a URL to method parameters. I know that web.xml provides a way to map an entire URL to a Servlet but is there a way to get more features out of this, such as mapping pieces of the URL to method parameters?

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  • What Design Pattern is this?

    - by 01
    I know that everything we do in programming can be described as design pattern(even abstract method has design pattern called template method) public class Guicer extends AbstractModule { private static Injector injector = Guice.createInjector(new Guicer()); public static void setInjector(Injector injector) { Guicer.injector = injector; } public static T getInstance(Class c) { return injector.getInstance(c); } @Override protected void configure() { } } What design patterns are used in this code?

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  • Finding whether a point lies inside a rectangle or not

    - by avd
    The rectangle can be oriented in any way...need not be axis aligned. Now I want to find whether a point lies inside the rectangle or not. One method I could think of was to rotate the rectangle and point coordinates to make the rectangle axis aligned and then by simply testing the coordinates of point whether they lies within that of rectangle's or not. The above method requires rotation and hence floating point operations. Is there any other efficient way to do this??

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  • Routing optional parameters with dashes in MVC

    - by Géza
    I've made an routing definition like this: routes.MapRoute("ProductSearch", "Search-{MainGroup}-{SubGroup}-{ItemType}", new { controller = "Product", action = "Search", MainGroup = "", SubGroup = "", ItemWebType = ""}); It is not working if the parameters are empty. Actually it resolves the url, so Url.Action method resolves the path "Search-12--" but the link is not working, so the GET of the page is not working With slashes it is working the Url.Action method makes "Search/12" "Search/{MainGroup}/{SubGroup}/{ItemType}" is it somehow possible to correct it?

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