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  • PGU Tiles collision detection

    - by user280454
    Hi, I've been using PGU(Phil's Pygame Utilities) for a while. It has a dictionary called tdata, which is passed as an argument while loading tiles tdata = { tileno:(agroup, hit_handler, config)} I'm making a pacman clone in which I have 2 groups : player and ghost, for which I want to collision detection with the same type of tile. For example, if the tile no is 2, I want this tile to have agroups as both player and ghost. I tried doing the following: tdata = {0x02 :('player', tile_hit_1, config), 0x02 : ('ghost', tile_hit_2, config)} However, on doing this, it only gives collision detection for ghost, not the player. Any ideas on how I can do collision detection for both the player and the ghost with the same type of tile?

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  • How to add a dynamic library to Android?

    - by Malcolm
    I want to add a non-native shared library to Android so every application on the device would be able to use it. I mean using packaged classes just like a core library as if they were present in the application itself. I studied Android source code to figure out a way to add a new path to the application ClassLoader and found out that it is created during startup and there's no way to change the paths later. I can use my own ClassLoader, but all I will get after loading a class will be a reference to a Class object. This way I will be bound to work through reflection mechanism, which is slower than the native execution system. Is there any way to organise a shared library on Android?

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  • C# winforms: DataSet with multiple levels of related tables

    - by Jake
    Hi, I am trying to use DataSet and DataAdapter to "filter" and "navigate" DataRows in DataTables. THE SITUATION: I have multiple logical objects, e.g. Car, Door and Hinge. I am loading a Form which will display complete Car information including each Door and their respective Hinges. In this senario, The form should display info for 1 car, 4 doors and 2 hinges for each door. Is it possible to use a SINGLE DataSet to navigate this Data? i.e. 1 DataRow in car_table, 4 DataRow in door_table and 8 DataRow in hinge_table, and still be able to navigate correctly between the different object and their relations? AND, able to DataAdapter.Update() easily? I have read about DataRelation but don't really understand how to use it. Not sure if it is the correct direction for my problem. Appreciate any advise. Thanks!

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  • Multiple .obj Models in THREE.js and detecting clicked objects

    - by ZedBee
    I have been following along this example to load .obj Model using three.js. Since I needed more than one model to load so I tried this loader.addEventListener( 'load', function ( event ) { var object = event.content; object.position.y = - 80; scene.add( object ); }); loader.load( 'obj/model1.obj' ); loader.load( 'obj/model2.obj' ); First: I don't know whether this is the right approach or not since I searched but didn't find any tutorial loading more than one .obj models. Second: I want to be able to click different models on the screen. I tried this which doest not seem to work for me. Any suggestions on this?

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  • jQuery.ajax checking if there is already another xhr

    - by digitalFresh
    I have a page when, if the user is near the bottom of the page, loads the next page. I just recently switched it to jQuery, and now use the jQuery.ajax() function to get the data. However, now i cannot check if the xhr is already loading, making the page load multiple xhrs when the user near the bottom. My listener is: $(document).scroll(function () { if(/* scrollbar is near bottom */) loadxhr(dat++); //function that calls jQuery.ajax() } }); Basically, can you track the readyState of the call in a global scope?

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  • System.AccessViolation in DllImport method after redeploy

    - by gall
    Hi Everyone, My environment: Windows 2003, VS 2008, .NET 3.5 C# .NET application. During loading my application I call method from C++ dll (Knowl.dll) through my third-party dll library (Common.dll) written in C#. After first deploy (from VS to Developing server) evrything works fine. Then I stops Developing Server, doesn't any changes in code and redeploy. Throws AccessViolationException on this imported method. What is it? On second and after redeplies - the same error. Only after deletin source code and recheckout it from CVS I can normally start server. Dll import: [DllImport("Knowl.dll", EntryPoint = "GetBaseName")] private static extern IntPtr getNameDll(); public static string GetName() { IntPtr p = IntPtr.Zero; p = getNameDll(); return Marshal.PtrToStringUni(p); }

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  • Custom UITableviewcell shows "fatal error: Can't unwrap Optional.None" issue in swift

    - by user1656286
    I need to load a custom cell in a UITableView. I created a custom subclass of UITableViewCell named "CustomTableViewCell". I have added a UITabelViewCell to the tableview (using drag and drop) as shown in figure. Then in file inspector I set the class of that UITabelViewCell to be "CustomTableViewCell". Here is my code: class ViewController: UIViewController,UITableViewDelegate,UITableViewDataSource { @IBOutlet var tableView : UITableView var items = String[]() override func viewDidLoad() { super.viewDidLoad() items = ["Hi","Hello","How"] self.tableView.registerClass(CustomTableViewCell.self, forCellReuseIdentifier: "CusTomCell") // Do any additional setup after loading the view, typically from a nib. } func tableView(tableView: UITableView!, numberOfRowsInSection section: Int) -> Int{ return items.count } func tableView(tableView: UITableView!, cellForRowAtIndexPath indexPath: NSIndexPath!) -> UITableViewCell!{ var cell:CustomTableViewCell = self.tableView.dequeueReusableCellWithIdentifier("CusTomCell") as CustomTableViewCell cell.labelTitle.text = items[indexPath.row] return cell; } override func didReceiveMemoryWarning() { super.didReceiveMemoryWarning() // Dispose of any resources that can be recreated. } } When I run my code, I get the following error: "fatal error: Can't unwrap Optional.None" as seen in the image.

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  • Why are .NET app.config load rules different for win2k3?

    - by Dan
    ...and are there any other caveat for other platforms? I create an app.config for a win forms project, for example Application.exe. By default I expect that at runtime my application is going to look for a file called Application.exe.config. But there seem to be exceptions to this, for example in a Windows Server 2003 environment an app will look for Application.config. The full path of the config file being searched for is different in Windows Server 2003, why is this? Where is the definition for these cosmic app.config loading rules?

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  • Graceful degradation on iPhone

    - by Seva Alekseyev
    How do I write a program for iPhone (Objective C++) that runs on OS 2.0 but takes advantage of 3.0 features if they're available? Example: copy&paste (class UIPasteboard). Nice feature to have, but I don't want to kill backward compatibility. Do I compile against SDK v. 3 or v. 2? If the latter, how do I create an instance of UIPasteboard, considering it's not declared in the headers? If the former, won't some C-linkage functions cause "unresolved reference" upon loading under OS 2.0?

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  • Initialize content of a jQuery remote tab on initial page load

    - by Carl
    I'm using the jQuery tabs library to create a set of remote (i.e., ajax loaded) tabs. However, to avoid the initial page load being empty until the ajax request finishes, I'd like to include the content for the initial tab with the initial page download. I've got this generally working by providing a div in the initial page load that matches the title of the tab, but even though this content appears immediately, as soon as I initialize the tabs it does the ajax request IN ADDITION which is both wasteful and causes a flicker. My basic question is how can I get jQuery tabs to NOT do an ajax request for the initially selected tab, and get this content as part of the initial page load, while still loading the other tabs dynamically. The complication is that I can't hard code the ids/hrefs for which tab is the "initial" one since the initial tab will change based on available content. I'm sure there is some kind of hacky way to do this with javascript rewriting the URLs of tabs dynamically before I initialize the tabs but I'm looking for a cleaner solution. Any ideas?

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  • DAO, Spring and Hibernate

    - by EugeneP
    Correct me if anything is wrong. Now when we use Spring DAO for ORM templates, when we use @Transactional attribute, we do not have control over the transaction and/or session when the method is called externally, not within the method. Lazy loading saves resources - less queries to the db, less memory to keep all the collections fetched in the app memory. So, if lazy=false, then everything is fetched, all associated collections, that is not effectively, if there are 10,000 records in a linked set. Now, I have a method in a DAO class that is supposed to return me a User object. It has collections that represent linked tables of the database. I need to get a object by id and then query its collections. Hibernate "failed to lazily initialize a collection" exception occurs when I try to access the linked collection that this DAO method returns. Explain please, what is a workaround here?

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  • How do I check if a swf file loaded correctly since put_Movie always returns S_OK?

    - by Tim
    I am using the latest flash player and have a swf file served locally from my dev machine. In one container test app I am able to play the swf and make calls to it, but in my "Real" application the same code path results in com errors (basically it looks like the swf isn;' loading properly) Additionally this is made more challenging because no matter what nonsense I put in the call to put_Movie() the return is ALWAYS S_OK. This is confusing. How am I supposed to determine if the swf file loaded and is working? As a follow-on, what would cause a swf file (the same one) not to load in a different app? The code paths are the same (from what I can tell). Obviousl something is going on, but I am not sure what. So, I guess 2 questions How to know when swf file doesn't load right Why might it fail in a different container application? I am using ATL in Visual studio 2008, latest flash, MS Vista Thanks

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  • LINQ To Entities - Items, ItemCategories & Tags

    - by Simon
    Hi There, I have an Entity Model that has Items, which can belong to one or more categories, and which can have one or more tags. I need to write a query that finds all tags for a given ItemCategory, preferably with a single call to the database, as this is going to get called fairly often. I currently have: Dim q = (From ic In mContext.ItemCategory _ Where ic.CategoryID = forCategoryID _ Select ic).SelectMany(Function(cat) cat.Items).SelectMany(Function(i) i.Tags) _ .OrderByDescending(Function(t) t.Items.Count).ToList This is nearly there, apart from it doesn't contain the items for each tag, so I'd have to iterate through, loading the item reference to find out how many items each tag is related to (for font sizing). Ideally, I want to return a List(Of TagCount), which is just a structure, containing Tag as string, and Count as integer. I've looked at Group and Join, but I'm not getting anywhere so any help would be greatly appreciated!

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  • OutOfMemoryException Processing Large File

    - by Krip
    We are loading a large flat file into BizTalk Server 2006 (Original release, not R2) - about 125 MB. We run a map against it and then take each row and make a call out to a stored procedure. We receive the OutOfMemoryException during orchestration processing, the Windows Service restarts, uses full 2 GB memory, and crashes again. The server is 32-bit and set to use the /3GB switch. Also I've separated the flow into 3 hosts - one for receive, the other for orchestration, and the third for sends. Anyone have any suggestions for getting this file to process wihout error? Thanks, Krip

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  • Using key().id() on GAE Datastore and reverse geocoding

    - by Ivan Slaughter
    I have 6000 data of district, subdistrict. I need to represent this on dependent dropdown. The datamodel is for example; class Location(db.Model): location_name = db.StringProperty() location_parent = db.IntegerProperty() location_parent is reference to key() or id()? Still cannot decide which one is good. When i use key() as reference then using JSON to create jquery dependent drop down. My page loading/query and rendering time the dropdown is quite slow? Can i use key().id() as drop down option value to lighten up the page load? Any better solution for this parent/child reference for the drop down? For example: for the district record/entities the location-parent is null, for sub district record location_name will contain reference to parent district record. Other issue is to reverse geocoding the location to store or display geoPoint (lat,long)? Is google MAP API always find the exact lat,long of specific region boundaries or any error checking for the result?

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  • RMagick returns nil reading JPEG

    - by ysproduction
    When I try to open a JPEG format file in Rails using RMagick, it always return nil with any jpg file. Other file formats open well. $ script/console Loading development environment (Rails 2.3.4) >> require 'RMagick' >> img = Image.read("1.gif").first => 1.gif GIF 230x100 230x100+0+0 PseudoClass 256c 8-bit 2kb >> img = Image.read("1.png").first => 1.png PNG 1280x800 1280x800+0+0 DirectClass 8-bit 156kb >> img = Image.read("1.jpg").first => nil Why this happens?

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  • TabWidget Activity Handling - Does it Create a New Activity EVERY Time?

    - by stormin986
    When a TabWidget is using intents to designate the target Activity for each tab, is there any special handling of those Activities on the Activity Stack outside of the default operation? For Instance, if my app has tabs A, B, and C, and I click them in this order––A, B, A, C, A, B––how will the Activity stack change? My understanding of the default operation, if startActivity() is called each time on the intent, would have the Stack keep loading up new instances of the activities: A, AB, ABA, ABAC, ABACA, ABACAB It's hard to believe that's how it works though... Seems like it would be a waste of resources and could be endless. Can anyone tell me how this will actually work?

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  • Hy, problem mantaining big javascript code.

    - by Totty
    I have more than 1000 lines in a big jquery plugin, that is actually a big class, that inludes some others classes, but they have to be in the same file. I inlcude a piece of code. If you have another way to simplify the code.. The actual problem is that i have a gallery with a lot of things, is dynamic with smart ajax data loading so it requires a lot of classes to use it properly and to cache the data. (function($){ var TottysGallery = function(element, options, data){ var Core = new function(){...}; var Core2 = new function(){...}; var Core3 = new function(){...}; var Core = function(){...}; };

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  • UIWebView memory management

    - by wolfrevo
    Hello, I have a problem with memory management. I am developing an application that makes heavy use of UIWebView. This app generates dynamically lots of UIWebViews while loading content from my server. Some of these UIWebViews are quite large and have a lot of pictures. If I use instruments to detect leaks, I do not detect any. However, lots of objects are allocated and I suspect that has to do with the UIWebViews. When the webviews release because no longer needed, it appears that not all memory is released. I mean, after a request to my server the app creates an UITableView and many webviews (instruments say about 8Mb). When user tap back, all of them are released but memory usage only decrements about 2-3 Mb, and after 5-10 minutes using the app it crashes. Am I missing something? Anyone know what could be happening? Thank you!

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  • Visual Stuido debug problem

    - by cagin
    Hi there, I have a web application. I am developing on Visual Studio 2008. I want to debug my codes and i m putting a break point on page load event of my master page. But V.S doesnt stop on break point line when the project runnging first. But when i change a dropdownlist's item, V.S stop on break point line. I need to see some values at first loading. I dont know what can i do. Thanks for your help

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  • Massive SQL issue shutting down our site.

    - by Pselus
    Our website has started timing out like crazy today. All of our clients are finding it unusable. The only error we can seem to trace down as a potential problem is this: SQLAllocHandle on SQL_HANDLE_DBC failed Error ASP Description Error Category Microsoft OLE DB Provider for ODBC Drivers I have no idea what it means or how to go about fixing it. Anyone ever encountered this error before? Currently, you can log in to our site, but then once you go to do anything else, you find yourself logged out or nothing happens. We have a lot of Ajax going on so the "nothing happens" probably has to do with the Ajax pages not loading properly due to logouts and so nothing displays to the user. Like I said, I'm at a loss. Anyone have any advice on this error?

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  • Empty list in appengine datastore: java vs python

    - by lOranger
    I have the following java model class in AppEngine: public class Xyz ... { @Persistent private Set<Long> uvw; } When saving an object Xyz with an empty set uvw in Java, I get a "null" field (as listed in the appengine datastore viewer). When I try to load the same object in python (through remote_api), as defined by the following python model class: class Xys(db.Model): uvw = db.ListProperty(int) I get a "BadValueError: Property uvw is required". When saving another object of the same class in python with an empty uvw list, the datastore viewer print a "missing" field. Apparently empty lists storage handling differs between Java and python and lead to "incompatible" objects. Thus my question: Is there a way to, either: force Java to store an empty list as a "missing" field, force Python to gracefully accept a "null" list as an empty list when loading the object? Or any other suggestion on how to handle empty list field in both languages. Thanks for your answers!

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  • jQuery append Google Adsense to div..

    - by SoulieBaby
    Hi everyone, I'm having issues with google adsense and it loading before my jQuery and killing my codes, so I thought I'd try to append the Google Adsense javascript to the appropriate div using the document ready function, here's the code I'm trying to write: <script language="javascript" type="text/javascript"> $(document).ready(function(){ $(".googleBanners").html("<script language='javascript' type='text/javascript'>\n" + "google_ad_client = 'pub-8487967187298044';\n" + "google_ad_slot = '1088799521';\n" + "google_ad_width = 250;\n" + "google_ad_height = 250;\n" + "</" + "script>\n" + "<script language='javascript' src='http://pagead2.googlesyndication.com/pagead/show_ads.js' type='text/javascript'>" + "</" + "script>"); }); </script> But I'm not so good writing javascript/jQuery so if someone could help me implement this that would be fantastic. The error in FF I'm currently getting is "Error: google_protectAndRun is not defined". I'm not sure what that means, but I'm guessing I've written the jQuery code wrong.. lol

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  • how to remove dynamically loaded images in javascript

    - by jesse
    I'm loading in 3 images (named 1.jpg, 2.jpg, 3jpg) dynamically to 3 divs called "div1", "div2" and "div3". function loadImages() { for (var i = 1; i < 3; i++ ) { var img = document.createElement("img"); img.src = "vegetables/"+i+".jpg"; img.id = "a"+i+""; var divName = "div"+i+""; document.getElementById(divName).appendChild(img); } } That works, but the removing part I can't seem to get to work.. function removeImages() { for (var i = 1; i < 3; i++ ) { var oldImages = "a"+i+""; var divName = "div"+i+""; document.getElementById(divName).removeChild(oldImages); } } Thank you.

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  • JQuery UI: Accordion callbacks

    - by user177215
    I need my javascript to only do the callback when I OPEN a section on the accordion, as of right now it does a callback when I open OR close a section because I'm only using a click function. Is there a way I can modify my existing click function to only run when the given section is activated? My current click function: $("a#mimetypes").click(function() { $("span#mimetypesthrobber").loading(true, { max: 1500 }) $.getJSON("../mimetypes", function(data) { //callback }); }); Thanks! EDIT: I already tried this with another part of the accordion and it wasn't working properly: $('.ui-accordion').bind('accordionchange', function(event, ui) { if (ui.newHeader == "Encoders") { EncodersGet(); } });

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