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  • The network printer will only print blank pages and will not stop. What should I do?

    - by LibraryGeekAdam
    I work in a library, so we have a Ricoh printer that is networked between all of us. I just recently installed Ubuntu 11.10 64bit on my desktop and have been trying to set up the printer without success. Ubuntu found the printer immediately and allowed me to set it up. When I hit test print, I get one sheet with writing on it and then it prints blank pages and will not stop until I turn off the printer. I tried printing from a document and I get the same one page with writing and then all the blank pages again. Below is what the page says with writing on it. I'd appreciate any help anyone is willing to give. Thanks. %!PS-Adobe-3.0 %% %% mark () () (bunch of numbers) {setuserinfo} stopped cleartomark %%%!

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  • How to export user input data from python (Tkinter) to excel? [migrated]

    - by mrn
    I am trying to develop a user form in python 2.7.3. Please note that I am a python beginner. I am trying to use xlwt to export data to excel. I want to write values of following variables i.e. a (value to write:'x1') & d (value to write: be user defined information in text box), to an excel sheet, a=StringVar() checkBox1=Checkbutton(root, text="text1", variable=a, onvalue="x1", offvalue="N/A") checkBox1.place(relx=0., rely=0., relwidth=0., relheight=0.) checkBox1.pack() d=StringVar() atextBox1=Entry(root, textvariable=d, font = '{MS Sans Serif} 10') atextBox1.pack()

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  • COCOS2D-html5 MoveBy doesn't work

    - by ufo
    I'd like to run an action on a sprite using the MoveBy action. After lots of attempts, I can't achieve the goal... I have issues with the MoveBy in 2 different projects, so maybe I'm missing something in the setup... But I can't figure what! The instruction is like this: this.platform1Sprite.runAction(cc.MoveBy.create(1, cc.p(200, 0))); I don't get any error, simply it doesn't work. Thank you in advance.

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  • What methodology to use for planning/developing a Language conversion project?

    - by user 123
    I am trying to help my friend by creating a part of his on-going project. What I'm going to do is create a Java parser to break up the Java code into operators, parameters etc to build XML representation. Next I want to create a code generator to convert the parsed java code to XML conforming to the schema I've created. Finally I want to use an XML style-sheet to transform the XML into another programming language type. Basically I just wanted some advice on which methodology/model I should use for planning and developing this project. Is there some benefit to using Agile etc for instance?

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  • Orienting ship movement in asteroids [closed]

    - by BadSniper
    Possible Duplicate: Move sprite in the direction it is facing? I'm programming asteroids game. I'm trying to give velocity in the direction of ship face. I've tried using velocity.x = velocity.x * cos r, velocity.y = velocity.y * sin r where velocity is a vector and r is the angle rotated. but it's not moving in right direction. Could someone help with this problem? It is supposed to return the vector in which ship is facing. I don't understand the problem.

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  • 2d engine with WebGL

    - by Philipp
    I am currently developing a HTML5 canvas game with a sprite-based 2d engine. The engine is working well so far, but now I thought that I could maybe add some cool graphic effects when I would re-implement the whole engine with WebGL. The whole graphic engine would stay strictly two-dimensional (think of it as a 3d world where the z coordinate of all vertices is 0.0). What I hope to gain from this is the ability to use pixel shaders to create special effects. I also think that the performance could improve. What do you think about that plan?

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  • Entity System and rendering

    - by hayer
    Okey, what I know so far; The entity contains a component(data-storage) which holds information like; - Texture/sprite - Shader - etc And then I have a renderer system which draws all this. But what I don't understand is how the renderer should be designed. Should I have one component for each "visual type". One component without shader, one with shader, etc? Just need some input on whats the "correct way" to do this. Tips and pitfalls to watch out for.

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  • ArgumentError: Error #2015: Invalid BitmapData.

    - by numerical25
    I am having problems loading a bitmapData. I am getting the following error Engine Init //trace loadimage//trace ArgumentError: Error #2015: Invalid BitmapData. at flash.display::BitmapData() Below is my code. it appears it happens after the trace loadimage package com.objects { import flash.display.Sprite; import flash.display.BitmapData; import flash.display.Bitmap; import flash.geom.Point; import flash.geom.Rectangle; import flash.display.Loader; import flash.net.URLRequest; import flash.net.*; import flash.events.*; import flash.display.LoaderInfo; public class gameObject extends Sprite { protected var w:Number; protected var h:Number; protected var image:BitmapData; protected var canvas:Bitmap; protected var px:Number; protected var py:Number; public function gameObject():void { init(); } private function init():void { } public function loadImage(imageDir:String, w:Number, h:Number, px:Number, py:Number):void { this.w = w; this.y = y; this.px = px; this.py = py; trace("loadimage"); var loader:Loader = new Loader(); loader.contentLoaderInfo.addEventListener(Event.COMPLETE,imageComplete); loader.load(new URLRequest(imageDir)); } private function imageComplete(e:Event):void { var loader:LoaderInfo = LoaderInfo(e.target); image = Bitmap(loader.content).bitmapData; drawImage(); } private function drawImage():void { var tilePoint:Point = new Point(0,0); var tileRect = new Rectangle(py,px,w,h); trace(loader.content); var canvasData:BitmapData = new BitmapData(w,h); trace("got canvas data"); canvasData.copyPixels(image,tileRect,tilePoint); trace("copied pixels"); canvas = new Bitmap(canvasData); } } } And my call the the method is like so balls = new Array(); balls[0] = new gameObject(); balls[0].loadImage("com/images/ball.gif", 15,15,0,0); When I trace the Loader.content, below is what shows Engine Init loadimage [object Bitmap] ArgumentError: Error #2015: Invalid BitmapData. at flash.display::BitmapData()

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  • UIActionSheet position on landscape and portrait

    - by Dave
    UIActionSheet positioning is not centered when I open it in landscape mode. If I set bounds or change the frame. The contents inside the UIActionSheet which is a subview changes but the actual sheet remains in the same place which looks very awkward. How do I move the UIActionSheet along with it's subview to the center of the screen?

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  • Which is better: SDL or SFML?

    - by William
    I'm thinking about switching from SDL to SFML, but before I do I want to know which is better. I'm mainly looking for easy sound/music, sprite rotations that are easy on the framerate/cpu, portability, and ease of installation.

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  • CPropertySheet and CPropertyPages are appear in white color

    - by Gopalakrishnan Subramani
    I have created a simple propertySheet(CPropertySheet) and a couple of CPropertyPage derived classes. While running the application, the ProperySheet, Page and tabs are appeared in white color. I was expecting them to be like normal widow dialog color. Any clue to make the property sheet, pages background to be like other normal MFC dialogs appears? I use Visual Studio 2008 MFC without .NET CLR.

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  • How to create filter option in RDLC report column ?

    - by prasanna
    I wanted to have filter option (like the one available in Excel sheet) in rdlc report column. is it possible and how ? http://img62.imageshack.us/img62/2223/sample1n.png i am trying in Visual studio 2005 and Microsoft report viewer. kindly let me know the option for this or a work around for it. Thanks

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  • What is this exception ?

    - by Lalit
    I am getting this exception while reading the shapes in excel sheet in c#: on code line of if (worksheet.Shapes.Count >= iCurrentRowIndex) {} Unable to cast COM object of type 'System.__ComObject' to interface type 'Microsoft.Office.Interop.Excel._Worksheet'. This operation failed because the QueryInterface call on the COM component for the interface with IID '{000208D8-0000-0000-C000-000000000046}' failed due to the following error: The application called an interface that was marshalled for a different thread. (Exception from HRESULT: 0x8001010E (RPC_E_WRONG_THREAD)).

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  • flash.display.Loader blocks on load in release build

    - by Anders
    I'm loading a swf-file from my program written in as3 using the flash.display.Loader class. When I'm using the debug build configuration in FlashDevelop everything works fine. But when I'm using the release build configuration the program freezes for around two seconds efter the loader sends the progress events and before sending the complete event. This is my program: package { import flash.display.Loader; import flash.display.Sprite; import flash.events.Event; import flash.events.ProgressEvent; import flash.net.URLRequest; import flash.system.LoaderContext; import flash.system.ApplicationDomain; import flash.text.TextField; public class Main extends Sprite { private var frameCounter:int; private var frameCounterField:TextField = new TextField; private var statusField:TextField = new TextField; function Main():void { if (stage) init(); else addEventListener(Event.ADDED_TO_STAGE, init); } private function init(e:Event = null):void { removeEventListener(Event.ADDED_TO_STAGE, init); addEventListener(Event.ENTER_FRAME, frame); frameCounterField.text = "On frame " + frameCounter.toString(); addChild(frameCounterField); statusField.y = 40; statusField.width = 300; addChild(statusField); var context:LoaderContext = new LoaderContext(false, ApplicationDomain.currentDomain, null); var urlReq:URLRequest = new URLRequest("SomeFile.swf"); var loader:Loader = new Loader(); loader.contentLoaderInfo.addEventListener(ProgressEvent.PROGRESS, onProgress); loader.contentLoaderInfo.addEventListener(Event.COMPLETE, onComplete); loader.load(urlReq, context); } private function frame(event:Event):void { frameCounterField.text = "On frame " + (++frameCounter).toString(); } private function onProgress(event:ProgressEvent):void { statusField.appendText("Progress on frame: " + frameCounter.toString() + " Loaded: " + event.bytesLoaded + " / " + event.bytesTotal + "\n"); } private function onComplete(event:Event):void { statusField.appendText("Completed on frame: " + frameCounter.toString() + "\n"); } } } In release I get the following output on the first frame: On frame 1 Progress on frame: 1 Loaded: 0 / 182468 Progress on frame: 1 Loaded: 65536 / 182468 Progress on frame: 1 Loaded: 131072 / 182468 Progress on frame: 1 Loaded: 182468 / 182468 After around two seconds where the program is frozen the line Completed on frame: 2 is added and the 'On frame X' counter starts ticking up. Debug build produces the same output but without the freeze. Not all swf-files I have tried loading triggers the problem. The size of the file doesn't seem to affect anything. I have tried compiling and running on another computer with the same result. What could cause this problem?

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  • In Excel, VBA - How can we lock resizing of a rectangle

    - by sruthi
    I have an excel sheet that contains two rectangles and text in other cells. I need to allow users to only edit the text in the rectangle. They should not be able to change the size of the object. Applying lock on the rectangle locks the object as well as the text. Does anyone know how I can achieve this?

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  • Load external style sheets on request from a different origin

    - by AshTek
    Hi, Is there a plugin or feature in jQuery that enables the dynamic loading of stylesheets from different origins similar to $.getJSON() or $.getScript()? I am able to dynamically integrate a style sheet from the same origin, but I need to be able to dynamically inject a jQuery UI theme from a different origin into a page. I guess I can load the CSS file as JSON data and then apply the contents using $().css(); however, I was looking for a more elegant solution. Thanks

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  • Stick Footer Issue in Safari & Chrome

    - by BlazeK
    My sticky footer works great in all the browsers expect Safari & Chrome, particularly the work.html page itself. http://obliqueinteractive.com/creative/work.html I noticed when i delete this css attribute from my style sheet, the problem goes away but doesn't allow for the footer to stick anymore html, body {height: 100%;} Could there be other css issues that are forcing the footer to act this way?

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  • Papervision3D: mouseEnabled = false on DisplayObject3D

    - by Josh
    How do I make a DisplayObject3D have mouseEnabled = false. I have a Sprite behind the Papervision3D scene listening for mouse events and so i need to let it pick up those mouse events through some of the DisplayObject3D objects. I've tried adding the DisplayObject3D to a separate ViewportLayer and setting thats mouseEnabled to false but that doesn't seem to work. Please help! Thanks.

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  • Tools to make CSS sprites?

    - by Simon_Weaver
    Are there any good tools to make css sprites? IDEALLY I'd want to give it a directory of images and an existing .css file that refers to those images and have it create a big image optimized with all the little images AND change my .css file to refer to those images. At the least I'd want it to take a directory of images and generate a big sprite and the .css necessary to use each as a background. Are there any good photoshop plugins or fully blown apps to do this?

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  • Is there a list of common object that implement IDisposable for the using statement?

    - by SkippyFire
    I was wondering if there was some sort of cheat sheet for which objects go well with the using statement... SQLConnection, MemoryStream, etc. Taking it one step further, it would be great to even show the other "pieces of the puzzle", like how you should actually call connection.Close() before the closing using statement bracket. Anything like that exist? If not, maybe we should make one.

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  • QTableWidget: How can I get tighter lines with less vertical spacing padding?

    - by Dirk Eddelbuettel
    The QTableWdiget is fabulous for simple grid displays. Changing colors, fonts, etc is straightforward. However, I did not manage to give the grid a 'tighter' look with less vertical whitespace. I see that the Qt documentation talks (eg here) about margin border padding around widgets, but when I set these I only get changes around the entire grid widget rather than inside. How can I set this (with a style sheet, or hard-coded options) directly to make the QTableWidget display tighter?

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