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• Silverlight 4 Drag and Drop Treeview

  - by Rich

  Does anyone have an example for any of the following scenarios. Given, these are all dynamically populated trees. Not using a Heirarchal data template, but by iterating through object collections manually and appending children at the appropriate level. Treeview1 has 3 levels, but items can only be reordered within their level. So, lets say we have Drives, Folders and Files. Drives can be rearranged in an order, but not put into a Folder. When navigated down one level in a drive, the individual folders can be reordered, but not dragged between drives.. and same with files, only can be reordered, but not moved to a different folder or drive I have 2 treeviews, Treeview1 is the same as #1 above and Treeview2 is like a picklist of available items. A user can drag an item from Treeview2 to Treeview1, but it can only be placed at Treeview1's File Level. The dragged item cannot be a child of a file, or placed at the folder level, nor placed at the drive level. Also, how to handle the Above, On Top, or Below an item. I have yet to come across these examples.

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• Basic Steps in reading Excel files into matlab

  - by user3693727

  >> [NUM,TXT,RAW]=xlsread('C:\Users\Lincoln Wachn\Google Drive\Summer time\Book1') ??? Error using ==> xlsread at 219 XLSREAD unable to open file C:\Users\Lincoln Wachn\Google Drive\Summer time\Book1. File C:\Users\Lincoln Wachn\Google Drive\Summer time\Book1.xls not found. This is the error that I have received when I try to read a simple Excel file into MATLAB. This is a snapshot of the spreadsheet I would like to load in. Could guide me the basic know-how to extract these data? I have looked through the other questions pertaining to reading Excel files into MATLAB, but I am still very confused. I ultimately wish to extract the file below for my project using the same method. The second image shows the data I have to extract which I could not do. Its file type seems to be different, it is comma separated values file which is not xls. Hence, I am also confuse about whether different file type prevents extraction of data. Thanks you for helping(:

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• Mixed Mode C++ DLL function call failure when app launched from network share. Called from unmanage

  - by Steve

  Mixed-mode DLL called from native C application fails to load: An unhandled exception of type 'System.IO.FileLoadException' occurred in Unknown Module. Additional information: Could not load file or assembly 'XXSharePoint, Version=0.0.0.0, Culture=neutral, PublicKeyToken=e0fbc95fd73fff47' or one of its dependencies. Failed to grant minimum permission requests. (Exception from HRESULT: 0x80131417) My environment is: Native C application calling a mixed mode C++ DLL, which then loads a C# DLL.. This works correctly when loaded from a local drive, but when launched from a network drive, it fails with the above messages. The call to LoadLibrary succeeds, as does the GetProcAddress. The load error happens when I call the function. I have digitally signed the C application, and I've performed "strong name" signing on the 2 DLLs. The PublickKeyToken in the message above does match the named DLL. I have also issued the CASPOLcommands on my client to grant FullTrust to that strong name keytoken. When that failed to work, I tried the CASPOL command to grant FullTrust to the URL of the network drive (including path to my application's directory); no change in results. I tried removing all dependencies, so that there was just the initial mixed-mode DLL... I replaced the bodies of all the functions with just a return of a "success" integer value. Results unchanged. Only when I changed it from Mixed Mode to Win32, and changed the Configuration Properties General Common Language Runtime Support from "Common Language Runtime Support" to "No Common Language Runtime Support" did calling the DLL produce the expected result (just returned the "success" integer return value).

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• What can be the reason for Windows error ERROR_DISK_FULL (112) when opening a NTFS alternate data st

  - by ur

  My application writes some bytes of data to an alternate data stream. This works fine on all but one machine (Windows Server 2003 SP2). Instead, CreateFile returns ERROR_DISK_FULL when I try to create an alternate data stream (on the root directory). I don't find the reason for this result, because... There's plenty of space on that drive. The drive is NTFS formatted (due to GetVolumeInformation). The drive supports altenate data streams (due to GetVolumeInformation). Edit: I can provide some more information about what the reason not is: I added many streams on a test system which didn't show the error and wondered if the error might occur. It didn't. Instead after about 2000 Streams with long file names another error occurred and persisted: 1450 (ERROR_NO_SYSTEM_RESOURCES). EDIT: Here is an example for one of the used file names: char szStreamFileName[] = "C:\\:abcdefghijklmnopqrstuvwxyz1234567890abcdefghijklmnoqrstuvwxyz012345"; EDIT: Our customer uses some corporate antivirus software from Avira on this server. Maybe this is the reason (Alternate data streams can be abused by malware).

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• Compiling a click-once app that requires administrator?

  - by Assimilater

  Hi, a lot of my programs require the ability to write files to the hard drive. When I first made these programs for XP they worked great. Now I'm less ignorant about UAC (got a new laptop recently). And for future customers...I've noticed the potential for a LOT of annoying error messages....and quite frankly if the program can't write data to the hard drive or thumb drive it's on...there's no point to running it.... I've tried multiple times to build in the manifest a requirement for administrator or user access....I'm not sure if anything less would solve the problem...but have failed because click-once has security features in place to prevent me from doing so. I'd rather not have to tell my customers how to make the program run as an administrator by editing the file's properties...I'd much rather have a convenient pop up like what you'd see new programs such as Itunes or Filezilla show if they were in conflict with UAC requesting the privileges they need. I'd really like to do this but have had little success. Any and all advice that can remedy this grievous problem appreciated. Thanks.

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• Can't understand sessions in Rails

  - by ciss

  Hello everyone. Please don't bit my for my misunderstanding. The sessions are very new for me, and i have some problems. Okay i read many information about sessions and especially rails session. But this don't give me right imagine about sessions. Did i understand right, when users send request to server (get) - Server create a new session (and store this some file in hard drive with session id), session id - is a random generated num? so, server create a new session (and store session on drive) after this server send back answer to client and set session_id in cookies? Ok, i debug some params and see some results: debug(session): {:_csrf_token=>"jeONIfNxFmnpDn/xt6I0icNK1m3EB3CzT9KMntNk7KU=", :session_id=>"06c5628155efaa6446582c491499af6d", "flash"=>{}} debug(cookies): {"remember_user_token"=>"1::3GFRFyXb83lffzwPDPQd", "_blog_session"=>"BAh7CDoQX2NzcmZfdG9rZW4iMWplT05JZk54Rm1ucERuL3h0NkkwaWNOSzFtM0VCM0N6VDlLTW50Tms3S1U9Og9zZXNzaW9uX2lkIiUwNmM1NjI4MTU1ZWZhYTY0NDY1ODJjNDkxNDk5YWY2ZCIKZmxhc2hJQzonQWN0aW9uQ29udHJvbGxlcjo6Rmxhc2g6OkZsYXNoSGFzaHsABjoKQHVzZWR7AA==--348c88b594e98f4bf6389d94383134fbe9b03095"} Okay, i know, what _csrf_token helps to prevent csrf. session_id - is id of the session which stored on hard drive (by default) but what is _blog_session in cookies? also, remeber_user_token containes my id (1::*) and what about second part, what is it? Sorry for this stupid questions, i know what i can easy use any nice auth-plugins (authlogic/clearance/devise), but i want to fully understand sessions. Thank you. (also sorry for my english, this is not my native language)

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• Application runs fine when executed directly, fails as scheduled task (security issues)

  - by Carl

  I have an application that loads some files from a network share (the input folder), extracts certain data from them and saves new files (zips them with SharpZLib) on a different network share (output folder). This application runs fine when you open it directly, but when it is set to a scheduled task, it fails in numerous places. This application is scheduled on a Win 2003 server. Let me say right off the bat, the scheduled task is set to use the same login account that I am currently logged in with, so it's not because it's using the LocalSystem account. Something else is going on here. Originally, the application was assigning a drive letter to the input folder using WNetGetConnectionA(). I don't remember why this was done, someone else on our team did that and she's gone now. I think there was some issue with using the WinZip command line with a UNC path. I switched from the WinZip command line utility to using SharpZLib because there were other issues with using the WinZip command line. Anyway, the application failed when trying to assign a drive letter with the error "connection already established." That wasn't true and even after trying WNetCancelConnection(), it still didn't work. Then I decided to just map the drive manually on the server. Then when the app calls Directory.Exists(inputFolderPath) it returns false, even though it does exist. So, for whatever reason, I cannot read this directory from within the application. I can manually navigate to this folder in Windows Explorer and open files. The app log file shows that the user executing it on the schedule is the user I expect, not LocalSystem. Any ideas?

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• Using Javascript to call the Azure Blob Storage REST API

  - by user350829

  I'm developing a Flash app that saves files to the Azure Blob Storage API. I've learned that you should use the REST API directly rather than a go-between WCF service as this is the most efficient (using a web role is a bottleneck). The problem is that Flash can't do PUT or DELETE methods over Http and has to use external Javascript. This is not an area that I'm familiar with and need some advice/links to examples of using Javascript to work with the Storage API (I've obviously Googled this to no avail). Is this even possible? The Javascript would be hosted in a web role on the same domain. Many thanks, Ed

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• ExternalInterface in flex calling javascript function works for mozilla/chrome but NOT IE

  - by Rees

  hello, i have a flex application that does a simple ExternalInterface.call("shareOptions"), which calls a shareOptions() javascript method and works absolutely fine with Mozilla and chrome, however when I test with IE i get the following error: Error: [object Error] at flash.external::ExternalInterface$/_toAS() at flash.external::ExternalInterface$/call() I looked at the adobe livedocs documentation but can't determine what the issue is with IE. is there something i'm missing?? if anyone knows, please let me know ASAP! thanks in advance. private function shareOptions(event:MouseEvent):void{ ExternalInterface.marshallExceptions = true; if (ExternalInterface.available){ ExternalInterface.call("shareOptions"); } } the javascript <script language="JavaScript" type="text/javascript"> function shareOptions() { myWin = window.open('http://www.mysite.shareOptions.php','yeee!','width=640,height=690,toolbar=no,location=0,directories=no,status=no,menubar=no,scrollbars=no,copyhistory=no,resizable=yes,x=500,y=500'); myWin.moveTo(300,300); } </script>

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• Pixel Shader Effect Examples

  - by Chris Nicol

  I've seen a number of pixel-shader effect examples, stuff like swirl on an image. But I'm wondering if anyone knows of any examples or tutorials for more practical uses of shader effects? I'm not saying that a swirl effect doesn't have it's uses, it's just that many of the examples I've found have the basic effect explained and don't go into how it might be used subtly with another effect or transition to produce a wonderful effect. There's a video here, that outlines all the WPF Effects Library, but I'm not sure how I would use some of them in a practical context. For example, when Flash 8 came out with effects like blur, I found a wonderful video that showed how to use the blur effect to create a cool effect with speeding text, that video inspired many ideas of what I could do with the effects in Flash 8. I'm looking for something similar with Pixel Shader Effects.

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• How to catch all exceptions in Flex?

  - by Yaba

  When I run a Flex application in the debug flash player I get an exception pop up as soon as something unexpected happened. However when a customer uses the application he does not use the debug flash player. In this case he does not get an exception pop up, but he UI is not working. So for supportability reasons, I would like to catch any exception that can happen anywhere in the Flex UI and present an error message in a Flex internal popup. By using Java I would just encapsulate the whole UI code in a try/catch block, but with MXML applications in Flex I do not know, where I could perform such a general try/catch.

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• sIFR 3 HTML text does not display, .sIFR-alternate causing problem

  - by Jeremy Schultz

  It seems my sIFR 3 text does not show HTML text if the Flash text is not displayed. Here's one of the pages in question: http://www.jeremyschultz.com/client/orchardplace/website/beta/volunteer/ One person has reported not seeing anything when viewing this page, and I can recreate it by removing the Flash text with Firebug. Testing with Firebug also suggests the .sIFR-alternate class is what's causing this: when I remove it, the text shows up, and it disappears again when I restore it. I copied the original CSS and also tried applying a few new CSS rules to .sIFR-alternate but nothing has solved it. What do you think? Jeremy [email protected]

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• Why use wmode at all?

  - by Captain Phoenix

  What benefit does using wmode give if you're not needing transparency? I've look through this forum and found posts talking about the different wmode attributes here, but I want to know why I need to use it in the first place and if removing it will break anything else. My application uses wmode="opaque" at the moment but it seems to stop scrolling in Firefox. I use JavaScript focus() to allow the user to type directly into the flash ap. Otherwise I'm using the stock standard Flex Builder 3 HTML template. Edit: The ap uses the whole page, without any additional elements needing to be displayed over the flash part.

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• SIFR 3.0 - Font Size

  - by Nick

  I have been working with SIFR 3.0 for some time now and the font-size never seems to work correctly. I understand the most basic concepts behind SIFR. SIFR runs when you load the page. It does some calculations one the size of the HTML rendered font and then replaces it with a flash movie that is roughly equal to that size. Because of this, you want to style your HTML font to match the size of your SIFR font as close as possible. My problem always comes up when trying to style these two font sizes to match. Let's say I want to use a SIFR font of Helvetica Neue Lt at about 32px. The HTML equivalent is something like Arial Narrow at about 36px with some negative letter spacing. So here is what I do. In sifr.css I'll write: @media screen { .sIFR-active h1 { visibility: hidden; z-index: 0 !important; font-size: 36px; } } Great, that gets the default HTML font the size I need. Now I need to update the flash SIFR font size. So I go into sifr-config.js and write something like this: sIFR.replace(HelveticaNeueThinCond, { selector: 'h1', css: '.sIFR-root { color: #762123; font-size: 32px; line-height: 1em; }', transparent: true }); So right now everything is working great. That is until my h1 text wraps more than one line. For some reason, when the text wraps it only shows the first line. It seems calculates the height wrong. This is very weird because I ran some tests. I took "visibility: hidden" off of "sIFR-active h1" to make sure that the HTML rendered text was the right size. It is, it takes up two lines. However, when the Flash replaces this text it gives it a min-height of one line of text. Odd. The only way I could find to fix this wrapping problem was to remove "font-size: 32px;" from "sIFR.replace(HelveticaNeueThinCond" in sifr-config. The problem I run into then is that it inherits the font-size set in sifr.css. Now the problem is that my HTML text is bigger then the SIFR text. So occasional my HTML text will wrap to a new line before my SIFR text leaving a big white space. So, how do I set two different font-size (one for my HTML text and one for my SIFR) without losing the wrapping. The only time I have been able to use the successfully is when I have a SIFR font that is so similar to a web safe font that they can share the same font-size attribute. Thanks

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• microphone volume control from javascript

  - by paleozogt

  I'd like to be able to control the system microphone volume from the browser. I know that the microphone can be recorded from using Flash or Silverlight, but these don't allow control of the microphone volume. (Flash has Microphone.gain, but as its just a software multiplier, it doesn't help when the system mic volume is muted or too loud.) I've heard that HTML5 will have some sort of microphone access, but whether it will allow volume control is unclear to me. At any rate, I don't think any browsers support it yet. Are there any plugins that would allow volume control? The old Google Gears project has some AudioApi docs, though these don't seem to have made it into the actual plugin. There's also the Google Talk plugin- it seems to do some kind of gain control, but its unclear if there's an api to the plugin. Perhaps there's a draft HTML5 implementation plugin for microphone access (like indexeddb, for example)?

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• How do I get Flex Builder to use the selected framework?

  - by Michael Prescott

  I'm attempting to create a Flex Project that will cause the Flash Player to cache the Flex framework. Flex Builder comes with Flex SDK 3.2.0.3958 and setting the Framework Linkage to use Runtime shared Library (RSL) under Project Properties - Flex Build Path will separate the framework from my main application and I see that my project's bin-debug directory contains framework_3.2.0.3958.swf and *.swz for distribution. Flex SDK 3.4 fixes a few bugs, so I configured it as another available sdk and set it as the default SDK. When I compile, I expect the bin-debug directory to contain framework_3.4.0.9271.swf and *.swz; however, Flex Builder is still writing framework_3.2.0.3958.swf and *.swz. How do I configure Flex Builder to package the correct framework files for Flash Player caching?

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• Why does WPF toggle button pulse once unchecked

  - by randyc

  Wihtin a Desktop app I have a toggle button: For the Checked event I am setting a value and then executing a method FilterView(); //ommitting code Unchecked state is just the opposite. resets a variable and executed the method again The question I have is I noticed when I uncheck the toggle button the button continues to pulse or flash ( going from blue to chrome) as if it still has focus. The button will stay like this until another button is clicked. Is there a way to remove this focus so that when the button is unchecked the button goes back to a unchecked state without the flashing / pulsing color. As you can see from above this is a standard toggle button no styles or custom I tested this on just a regular button and I found the same occured when clicked the button will continue to pulse / flash until another button is clicked. How do you work around this or prevent this effect from happening. Thank you

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• car race game collision condition.

  - by ashok patidar

  in this how can rotate car when it goes to collied with the track side. package { import flash.display.MovieClip; import flash.events.Event; import flash.events.KeyboardEvent; import flash.text.TextField; import flash.ui.Keyboard; import Math; /** * ... * @author Ashok */ public class F1race extends MovieClip { public var increment:Number = 0; //amount the car moves each frame public var posNeg:Number = 1; public var acceleration:Number = .05; //acceleration of the car, or the amount increment gets increased by. public var speed:Number = 0; //the speed of the car that will be displayed on screen public var maxSpeed:Number = 100; public var keyLeftPressed:Boolean; public var keyRightPressed:Boolean; public var keyUpPressed:Boolean; public var keyDownPressed:Boolean; public var spedometer:TextField = new TextField(); public var carRotation:Number ; public var txt_hit:TextField = new TextField(); public function F1race() { carRotation = carMC.rotation; trace(carMC.rotation); //addChild(spedometer); //spedometer.x = 0; //spedometer.y = 0; addChild(txt_hit); txt_hit.x = 0; txt_hit.y = 100; //rotation of the car addEventListener(Event.ENTER_FRAME, onEnterFrameFunction); stage.addEventListener(KeyboardEvent.KEY_DOWN, keyPressed,false); stage.addEventListener(KeyboardEvent.KEY_UP, keyReleased,false); carMC.addEventListener(Event.ENTER_FRAME, carOver_road) } public function carOver_road(event:Event):void { //trace(texture.hitTestPoint(carMC.x,carMC.y,true),"--"); /* if(!texture.hitTestPoint(carMC.x,carMC.y,true)) { txt_hit.text = "WRONG WAY"; if(increment!=0) { increment=1; } } else { txt_hit.text = ""; //increment++; }*/ if (roadless.hitTestPoint(carMC.x - carMC.width / 2, carMC.y,true)) { trace("left Hit" + carMC.rotation); //acceleration = .005; //if(carMC.rotation>90 || carMC.rotation>90 //carMC.rotation += 2; if ((carMC.rotation >= 90) && (carMC.rotation <= 180)) { carMC.rotation += 3; carMC.x += 3; } if ((carMC.rotation <= -90) && (carMC.rotation >= -180)) { carMC.rotation += 3; texture.y -= 3; } if ((carMC.rotation > -90) && (carMC.rotation <= -1)) { carMC.rotation += 3; texture.y -= 3; } if(increment<0) { increment += 1.5 * acceleration; } if(increment>0) { increment -= 1.5 * acceleration; } } if (roadless.hitTestPoint(carMC.x + carMC.width / 2, carMC.y,true)) { trace("left right"); //carMC.rotation -= 2; if(increment<0) { increment += 1.5 * acceleration; } if(increment>0) { increment -= 1.5 * acceleration; } } if (roadless.hitTestPoint(carMC.x, carMC.y- carMC.height / 2,true)) { trace("left right"); //carMC.rotation -= 2; if(increment<0) { increment += 1.5 * acceleration; } if(increment>0) { increment -= 1.5 * acceleration; } } if (roadless.hitTestPoint(carMC.x, carMC.y+ carMC.height / 2,true)) { trace("left right"); //carMC.rotation -= 2; if(increment<0) { increment += 1.5 * acceleration; } if(increment>0) { increment -= 1.5 * acceleration; } } if ((!roadless.hitTestPoint(carMC.x - carMC.width / 2, carMC.y, true)) && (!roadless.hitTestPoint(carMC.x, carMC.y- carMC.height / 2,true)) && (!roadless.hitTestPoint(carMC.x, carMC.y+ carMC.height / 2,true)) && (!roadless.hitTestPoint(carMC.x, carMC.y+ carMC.height / 2,true))) { //acceleration = .05; } } public function onEnterFrameFunction(events:Event):void { speed = Math.round((increment) * 5); spedometer.text = String(speed); if ((carMC.rotation < 180)&&(carMC.rotation >= 0)){ carRotation = carMC.rotation; posNeg = 1; } if ((carMC.rotation < 0)&&(carMC.rotation > -180)){ carRotation = -1 * carMC.rotation; posNeg = -1; } if (keyRightPressed) { carMC.rotation += .5 * increment; carMC.LWheel.rotation = 8; carMC.RWheel.rotation = 8; steering.gotoAndStop(2); } if (keyLeftPressed) { carMC.rotation -= .5 * increment; carMC.LWheel.rotation = -8; carMC.RWheel.rotation = -8; steering.gotoAndStop(3); } if (keyDownPressed) { steering.gotoAndStop(1); carMC.LWheel.rotation = 0; carMC.RWheel.rotation = 0; increment -= 0.5 * acceleration; texture.y -= ((90 - carRotation) / 90) * increment; roadless.y = texture.y; if (((carMC.rotation > 90)&&(carMC.rotation < 180))||((carMC.rotation < -90)&&(carMC.rotation > -180))) { texture.x += posNeg * (((((1 - (carRotation / 360)) * 360) - 180) / 90) * increment); roadless.x = texture.x; } if (((carMC.rotation <= 90)&&(carMC.rotation > 0))||((carMC.rotation >= -90)&&(carMC.rotation < -1))) { texture.x += posNeg * ((carRotation) / 90) * increment; roadless.x = texture.x; } increment -= 1 * acceleration; if ((Math.abs(speed)) < (Math.abs(maxSpeed))) { increment += acceleration; } if ((Math.abs(speed)) == (Math.abs(maxSpeed))) { trace("hello"); } } if (keyUpPressed) { steering.gotoAndStop(1); carMC.LWheel.rotation = 0; carMC.RWheel.rotation = 0; //trace(carMC.rotation); texture.y -= ((90 - carRotation) / 90) * increment; roadless.y = texture.y; if (((carMC.rotation > 90)&&(carMC.rotation < 180))||((carMC.rotation < -90)&&(carMC.rotation > -180))) { texture.x += posNeg * (((((1 - (carRotation / 360)) * 360) - 180) / 90) * increment); roadless.x = texture.x; } if (((carMC.rotation <= 90)&&(carMC.rotation > 0))||((carMC.rotation >= -90)&&(carMC.rotation < -1))) { texture.x += posNeg * ((carRotation) / 90) * increment; roadless.x = texture.x; } increment += 1 * acceleration; if ((Math.abs(speed)) < (Math.abs(maxSpeed))) { increment += acceleration; } } if ((!keyUpPressed) && (!keyDownPressed)){ /*if (increment > 0 && (!keyUpPressed)&& (!keyDownPressed)) { //texture.y -= ((90-carRotation)/90)*increment; increment -= 1.5 * acceleration; } if((increment==0)&&(!keyUpPressed)&& (!keyDownPressed)) { increment = 0; } if((increment<0)&&(!keyUpPressed)&& (!keyDownPressed)) { increment += 1.5 * acceleration; }*/ if (increment > 0) { increment -= 1.5 * acceleration; texture.y -= ((90 - carRotation) / 90) * increment; roadless.y = texture.y; if (((carMC.rotation > 90)&&(carMC.rotation < 180))||((carMC.rotation < -90)&&(carMC.rotation > -180))) { texture.x += posNeg * (((((1 - (carRotation / 360)) * 360) - 180) / 90) * increment); roadless.x = texture.x; } if (((carMC.rotation <= 90)&&(carMC.rotation > 0))||((carMC.rotation >= -90)&&(carMC.rotation < -1))) { texture.x += posNeg * ((carRotation) / 90) * increment; roadless.x = texture.x; } } if (increment == 0) { increment = 0; } if (increment < 0) { increment += 1.5 * acceleration; texture.y -= ((90 - carRotation) / 90) * increment; roadless.y = texture.y; if (((carMC.rotation > 90)&&(carMC.rotation < 180))||((carMC.rotation < -90)&&(carMC.rotation > -180))) { texture.x += posNeg * (((((1 - (carRotation / 360)) * 360) - 180) / 90) * increment); roadless.x = texture.x; } if (((carMC.rotation <= 90)&&(carMC.rotation > 0))||((carMC.rotation >= -90)&&(carMC.rotation < -1))) { texture.x += posNeg * ((carRotation) / 90) * increment; roadless.x = texture.x; } } } } public function keyPressed(event:KeyboardEvent):void { trace("keyPressed"); if (event.keyCode == Keyboard.LEFT) { keyLeftPressed = true; } if (event.keyCode == Keyboard.RIGHT) { keyRightPressed = true; } if (event.keyCode == Keyboard.UP) { keyUpPressed = true; } if (event.keyCode == Keyboard.DOWN) { keyDownPressed = true; } } public function keyReleased(event:KeyboardEvent):void { trace("keyReleased..."); //increment -= 1.5 * acceleration; //increment--; if (event.keyCode == Keyboard.LEFT) { keyLeftPressed = false; } if (event.keyCode == Keyboard.RIGHT) { keyRightPressed = false; } if (event.keyCode == Keyboard.UP) { keyUpPressed = false; } if (event.keyCode == Keyboard.DOWN) { keyDownPressed = false; } } } }

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• How to use Watin 64-bit with MSIE 32-bit

  - by dontomaso

  Hi, I have a C#-application running on Windows 7. I am using Watin to test some flash and quicktime movies in Internet Explorer. I am running in x64 mode due to some memory limitations I encountered in x86-mode. So I run my application which uses Watin, which starts MSIE. Watin starts the 64-bit version of MSIE. So far so good. The problem is, flash and quicktime do not seem to work in MSIE 64-bit, so testing playing of movies will not work. What must be done to run my C# application in 64-bit mode but to get Watin to run MSIE in 32-bit mode?

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• echoing javascript when an ajax funtion is called

  - by Roland

  I'm doing a ajax call via the normal jquery ajax funtion My ajax looks as follows jQuery('#yt10').live('click',function(){jQuery.ajax({'data':{'set':$("#booking_set_id1").val(),'setStat':$("#booking_stockStatus").val(),'setNum':$("#booking_setNum").val()},'beforeSend':function(){ if($("#booking_set_id1").val() == "" || $("#booking_stockStatus").val() == "" || $("#booking_setNum").val() == ""){ $("#error").addClass("flash-error"); $("#error").html("Please fill in all relevant set details before adding a set"); return false; } },'dataType':'html','success':function(data,status){ $("#mainrow").show(); $("#error").removeClass("flash-error"); $("#error").html(""); $("#setTable tr:last").after(data); $("#booking_set_id1").val(""); $("#booking_stockStatus").val(""); $("#booking_setNum").val(""); },'url':'/booking/newSet','cache':false});return false;}); Now the function newSet needs to echo javascript to the bowser but somehow jquery filters the javscript out. Is it possible to echo javascript via ajax

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• HTML/JavaScript: mouseover effect for image maps?

  - by MVCDummy09

  I'm trying to help out a nonprofit by doing their website. They want (ugh) their logo to serve as an HTML image map. In other words, when you click on different parts of the logo, you're directed to different web pages. They also, however, want mouseover effects: when you mouseover a particular portion of the image map, that piece of the graphic should be highlighted. If the logo was simple, I would slice it up into rectangles and attach mouseover and click events to the appropriate rectangles. With the complexity of their logo, this is not possible, however. Has anyone done anything like this without Flash? I'm not a Flash developer but this is looking like a very difficult task in just HTML/JavaScript. Any ideas? Thanks!

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• Trace() method doesnt work in FlashDevelop

  - by numerical25

  When I put a trace("test"); at the entry point of my flashdevelop project and run it. The application runs fine but I do not see the trace in the output. Below is my code package { import flash.display.Sprite; import flash.events.Event; /** * ... * @author Anthony Gordon */ public class Main extends Sprite { public function Main():void { if (stage) init(); else addEventListener(Event.ADDED_TO_STAGE, init); } private function init(e:Event = null):void { trace("test"); removeEventListener(Event.ADDED_TO_STAGE, init); // entry point var game:Game = new Game(stage); addChild(game); } }

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• Access current_user in model

  - by LearnRails

  I have 3 tables items (columns are: name , type) history(columns are: date, username, item_id) user(username, password) When a user say "ABC" logs in and creates a new item, a history record gets created with the following after_create filter. How to assign this username ‘ABC’ to the username field in history table through this filter. class Item < ActiveRecord::Base has_many :histories after_create :update_history def update_history histories.create(:date=Time.now, username= ?) end My login method in session_controller def login if request.post? user=User.authenticate(params[:username]) if user session[:user_id] =user.id redirect_to( :action='home') flash[:message] = "Successfully logged in " else flash[:notice] = "Incorrect user/password combination" redirect_to(:action="login") end end end I am not using any authentication plugin. I would appreciate if someone could tell me how to achieve this without using plugin(like userstamp etc.) if possible.

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• Is there a way to use DRM on HTML5 video?

  - by Joost van Doorn

  Since Flash is losing ground I would like to know if there are ways to protect html5 videos with DRM (H264, .ogg and WebM).

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• Installing unsigned x64 driver to work with libusbdotnet

  - by user216194

  Hi all- I am currently in a Windows 7 dev. environment working to get a device to initialize with libusbdotnet. The device (a USB mass storage device) connects and runs using the default USB-MASS Storage driver for Windows. I want to replace this driver with the one created by the .INF Wizard in libusbdotnet. The operating system is a 64-bit, and by default the INF Wizard produces this driver, but I am unable to selected it because it is "unsigned" I believed, when I go to "Pick from a list of drivers" and point to the directory where the newly created device drivers are. I have enabled "TEST MODE" using DESO but I'm still unable to select this file. Anyone familiar with libusbdotnet, or directing devices to work with a specific driver that is unsigned in Window (do I need the .inf file? or the .sys???) do you have any advice about where I'm going wrong? Thanks!

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