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• My 2009 MacBook Logic board failed - options to proceed and how difficult?

  - by user181061

  Scannerz just gave my MacBook logic board a big fat F! I upgraded from Snow Leopard to Mountain Lion about 3 weeks ago. The system was running short of memory so I upgraded it. The system was running fine for about 2 weeks. Yesterday the thing started acting erratic. A lot of spinning beach balls, delays, and then some errors saying files couldn't be read to or from the drive. I figured the drive was going because the system is over 3 years old. I ran Scannerz on it and it indicated a lot of errors and irregularities. I rescanned it in cursory mode, and none of them were repeatable, just showing up all over the place in different regions of the scan. I went through the docs and they implied either an I/O cable was bad, a connection was damaged, or the logic board was bad. I tossed on my backup of Snow Leopard that I cloned from the original hard drive because I figured Mountain Lion was to blame and booted from the USB drive with the clone on it. It wasn't. I performed scans on every single port, and errors and irregularities that couldn't be repeated were showing up on every single one of them. I then, for kicks, put a CD into the CD player. Scannerz doesn't test optical drives but I figured surely that will work. No it won't. More spinning beach balls and messages telling me it can't be read. It was working fine 3 days ago. I know a lot of people don't like MacBook's, but mine's been great, at least until now. It was working great even with Mountain Lion after the upgrade. The system is a mid-2009 MacBook. In my opinion, it's a complete waste to toss this system. The display is too good, the keyboard works great, and it still looks good, plus this type of MacBook still uses the FireWire 400 port and I use that for Time Machine backups. I've tried reseating the RAM, it didn't do anything. I shut the system down and put in the old RAM, booted to Snow Leopard, and the problems persist. Here are my questions: The Scannerz documentation somewhere said something about the Airport card not being seated properly, but when I go to iFixit, it's apparent, at least I think it's apparent, that this isn't a slot type Airport card that the user can easily install or remove. If the cables or connections to the Airport card are bad, could they be causing this problem. How about any other connections that can be intermittent, failing or erratic? Any type of resets that I could possibly do to get rid of this? For any of those that have replaced a logic board on a MacBook, if this really is the culprit, are there any "gotcha's" I need to be aware of? As an FYI, I replaced the hard drive on an old iBook @500MHz that I had a long time ago, and I replaced the drive on a 1.33GHz PowerBook about 6 years ago. You have to be careful, but using some of the info on web sites like iFixit it's not that hard. Time consuming, but not that hard. The Intel based MacBook's to me look like they're easier to service than either of those. I'm thinking about getting a unit off of eBay that matches mine but has something else wrong with it, like a busted display. I REFUSE to buy a new system. A guy at my office has a 2007 Mac Pro and he can't upgrade to Mountain Lion because his system is "obsoleted." That's ridiculous. If you pay nearly $7,500 for a system it shouldn't be trash just because Apple decides they don't have enough money (sorry for the soap box, but it's true, IMO!) Any input is appreciated.

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• EXTJS 3.2.1 EditorGridPanel - ComboBox with jsonstore

  - by Yoong Kim

  Hi, I am using EXTJS with an editorgridpanel and I am trying to to insert a combobox, populated with JsonStore. Here is a snapshot of my code: THE STORE: kmxgz.ordercmpappro.prototype.getCmpapproStore = function(my_url) { var myStore = new Ext.data.Store({ proxy: new Ext.data.HttpProxy({ url: my_url , method: 'POST' }) , reader: new Ext.data.JsonReader({ root: 'rows', totalProperty: 'total', id: 'list_cmpappro_id', fields: [ {name: 'list_cmpappro_id', mapping: 'list_cmpappro_id'} , {name: 'list_cmpappro_name', mapping: 'list_cmpappro_name'} ] }) , autoLoad: true , id: 'cmpapproStore' , listeners: { load: function(store, records, options){ //store is loaded, now you can work with it's records, etc. console.info('store load, arguments:', arguments); console.info('Store count = ', store.getCount()); } } }); return myStore; }; THE COMBO: kmxgz.ordercmpappro.prototype.getCmpapproCombo = function(my_store) { var myCombo = new Ext.form.ComboBox({ typeAhead: true, lazyRender:false, forceSelection: true, allowBlank: true, editable: true, selectOnFocus: true, id: 'cmpapproCombo', triggerAction: 'all', fieldLabel: 'CMP Appro', valueField: 'list_cmpappro_id', displayField: 'list_cmpappro_name', hiddenName: 'cmpappro_id', valueNotFoundText: 'Value not found.', mode: 'local', store: my_store, emptyText: 'Select a CMP Appro', loadingText: 'Veuillez patienter ...', listeners: { // 'change' will be fired when the value has changed and the user exits the ComboBox via tab, click, etc. // The 'newValue' and 'oldValue' params will be from the field specified in the 'valueField' config above. change: function(combo, newValue, oldValue){ console.log("Old Value: " + oldValue); console.log("New Value: " + newValue); }, // 'select' will be fired as soon as an item in the ComboBox is selected with mouse, keyboard. select: function(combo, record, index){ console.log(record.data.name); console.log(index); } } }); return myCombo; }; The combobox is inserted in an editorgridpanel. There's a renderer like this: Ext.util.Format.comboRenderer = function(combo){ return function(value, metadata, record){ alert(combo.store.getCount()); <== always 0!! var record = combo.findRecord(combo.valueField || combo.displayField, value); return record ? record.get(combo.displayField) : combo.valueNotFoundText; } }; When the grid is displayed the first time, instead of have the displayField, I have : "Value not found." And I have the alert : 0 (alert(combo.store.getCount())) from the renderer. But I can see in the console that the data have been correctly loaded! Even if I try to reload the store from the renderer (combo.store.load();), I still have the alert (0)! But when I select the combo to change the value, I can see the data and when I change the value, I can see the displayFiel! I don't understand what's the problem? Since now several days, I already tried all the solutions I found...but still nothing! Any advice is welcome! Yoong

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• jQuery AutoComplete select firing after change?

  - by Zarigani

  I'm using the jQuery UI AutoComplete control (just updated to jQuery UI 1.8.1). Whenever the user leaves the text box, I want to set the contents of the text box to a known-good value and set a hidden ID field for the value that was selected. Additionally, I want the page to post back when the contents of the text box are changed. Currently, I am implementing this by having the autocomplete select event set the hidden id and then a change event on the text box which sets the textbox value and, if necessary, causes a post back. If the user just uses the keyboard, this works perfectly. You can type, use the up and down arrows to select a value and then tab to exit. The select event fires, the id is set and then the change event fires and the page posts back. If the user starts typing and then uses the mouse to pick from the autocomplete options though, the change event fires (as focus shifts to the autocomplete menu?) and the page posts back before the select event has a chance to set the ID. Is there a way to get the change event to not fire until after the select event, even when a mouse is used? $(function() { var txtAutoComp_cache = {}; var txtAutoComp_current = { label: $('#txtAutoComp').val(), id: $('#hiddenAutoComp_ID').val() }; $('#txtAutoComp').change(function() { if (this.value == '') { txtAutoComp_current = null; } if (txtAutoComp_current) { this.value = txtAutoComp_current.label ? txtAutoComp_current.label : txtAutoComp_current; $('#hiddenAutoComp_ID').val(txtAutoComp_current.id ? txtAutoComp_current.id : txtAutoComp_current); } else { this.value = ''; $('#hiddenAutoComp_ID').val(''); } // Postback goes here }); $('#txtAutoComp').autocomplete({ source: function(request, response) { var jsonReq = '{ "prefixText": "' + request.term.replace('\\', '\\\\').replace('"', '\\"') + '", "count": 0 }'; if (txtAutoComp_cache.req == jsonReq && txtAutoComp_cache.content) { response(txtAutoComp_cache.content); return; } $.ajax({ url: 'ajaxLookup.asmx/CatLookup', contentType: 'application/json; charset=utf-8', dataType: 'json', data: jsonReq, type: 'POST', success: function(data) { txtAutoComp_cache.req = jsonReq; txtAutoComp_cache.content = data.d; response(data.d); if (data.d && data.d[0]) { txtAutoComp_current = data.d[0]; } } }); }, select: function(event, ui) { if (ui.item) { txtAutoComp_current = ui.item; } $('#hiddenAutoComp_ID').val(ui.item ? ui.item.id : ''); } }); });

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• Getting this CSS to work in IE6

  - by jerrygarciuh

  Hi folks, Working on this page: http://www.karlsenner.dreamhosters.com/about.php and having trouble with the navigation in IE6. It validates as XHTML 1.0 Transitional. Works great in FF, IE 8, Chrome, and Windows Safari. In IE6 and Opera 10 the drop menus appear too high. I tried adding in the different versions of http://code.google.com/p/ie7-js/ but it did not solve the issue in IE. The CSS looks like this: #wrapper { position: relative; display: block; background-color: inherit; margin: 0px auto; padding: 0; width: 900px; min-height: 900px; } #nav {} .navImage { position:relative; display:inline; height:102px; /* added in hopes of helping IE position but no dice */ } .subMenu { position:absolute; z-index:10; background-color:#FFF; top: 14px; left:0; } .subMenu a:link, .subMenu a:visited, .subMenu a:active{ display:block; width:90%; padding:6px; margin:0; color:#3CF; font-family:Tahoma, Geneva, sans-serif; font-size:14px; text-decoration:none; font-weight:bold; } .subMenu a:hover{ display:block; width:90%; padding:6px; margin:0; color:#3CF; background-color:#CCC; font-family:Tahoma, Geneva, sans-serif; font-size:14px; text-decoration:none; font-weight:bold; } jQuery rollovers: $('#navcompany').hover(function () { $('#companyMenu').css('display', 'block'); $('#companyImg').attr('src','g/nav/company_over.gif'); }, function () { $('#companyMenu').css('display', 'none'); $('#companyImg').attr('src','g/nav/company.gif'); }); And one of the cells. Since the menu is coming out of PHP and IE was not respecting the widths I just use PHP to get the nav image widths and write them to styles on the fly. Solved the width issue as IE acted like they should inherit their width from the wrapper. This may be a clue as to why they don't appear below their nav images but I can't sort it. <div id="navcompany" class="navImage" style="width:128px"> <a href="about.php"> <img src="g/nav/company_over.gif" name="companyImg" width="128" height="102" border="0" id="companyImg" alt="company" /> </a> <div id="companyMenu" class="subMenu" style="display:none; width:128px"> <a href="about.php">About us</a> <a href="location.php">Our location</a> </div> </div> Any advice greatly appreciated! JG

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• OpenGL/SharpGL - Points only on -near surface of Ortho projection?

  - by FTLPhysicsGuy

  When you create points using three dimensions for each point and you use an Ortho projection to view the points, would there be a reason that only the points on the -near surface would appear? For example, if you use (the SharpGL method) gl.Ortho(0, width, height, 0, -10, 10), only the points at z=10 (because the near surface is at -10) actually show up. I'm currently using SharpGL - but I'm hoping the issue I'm having isn't with that particular implementation/library. EDIT: I'm adding the code below that demonstrates the issue. Note that this example requires SharpGL and is in fact a modification of a WPF sample project that comes with the current SharpGL source code (the original sample project is called TwoDSample). The project requires a MainWindow.xaml and a MainWindow.xaml.cs. Here's the xaml: <Window x:Class="TwoDSample.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Title="MainWindow" Height="350" Width="525" xmlns:my="clr-namespace:SharpGL.WPF;assembly=SharpGL.WPF"> <Grid> <my:OpenGLControl Name="openGLControl1" OpenGLDraw="openGLControl1_OpenGLDraw" OpenGLInitialized="openGLControl1_OpenGLInitialized" Resized="openGLControl1_Resized"/> </Grid> </Window> Here is the code behind: using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Windows; using System.Windows.Controls; using System.Windows.Data; using System.Windows.Documents; using System.Windows.Input; using System.Windows.Media; using System.Windows.Media.Imaging; using System.Windows.Navigation; using System.Windows.Shapes; using SharpGL.Enumerations; namespace TwoDSample { /// <summary> /// Interaction logic for MainWindow.xaml /// </summary> public partial class MainWindow : Window { public MainWindow() { InitializeComponent(); } // NOTE: I use this to restrict the openGLControl1_OpenGLDraw method to // drawing only once after m_drawCount is set to zero; int m_drawCount = 0; private void openGLControl1_OpenGLDraw(object sender, SharpGL.SceneGraph.OpenGLEventArgs args) { // NOTE: Only draw once after m_drawCount is set to zero if (m_drawCount < 1) { // Get the OpenGL instance. var gl = args.OpenGL; gl.Color(1f, 0f, 0f); gl.PointSize(2.0f); // Draw 10000 random points. gl.Begin(BeginMode.Points); Random random = new Random(); for (int i = 0; i < 10000; i++) { double x = 10 + 400 * random.NextDouble(); double y = 10 + 400 * random.NextDouble(); double z = (double)random.Next(-10, 0); // Color the point according to z value gl.Color(0f, 0f, 1f); // default to blue if (z == -10) gl.Color(1f, 0f, 0f); // Red for z = -10 else if (z == -1) gl.Color(0f, 1f, 0f); // Green for z = -1 gl.Vertex(x, y, z); } gl.End(); m_drawCount++; } } private void openGLControl1_OpenGLInitialized(object sender, SharpGL.SceneGraph.OpenGLEventArgs args) { } private void openGLControl1_Resized(object sender, SharpGL.SceneGraph.OpenGLEventArgs args) { // NOTE: force the draw routine to happen again when resize occurs m_drawCount = 0; // Get the OpenGL instance. var gl = args.OpenGL; // Create an orthographic projection. gl.MatrixMode(MatrixMode.Projection); gl.LoadIdentity(); // NOTE: Basically no matter what I do, the only points I see are those at // the "near" surface (with z = -zNear)--in this case, I only see green points gl.Ortho(0, openGLControl1.ActualWidth, openGLControl1.ActualHeight, 0, 1, 10); // Back to the modelview. gl.MatrixMode(MatrixMode.Modelview); } } }

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• Cannot get UISearchBar Scope Bar to appear in Toolbar on iPad

  - by Jann

  This is really causing me fits. I put a toolbar on the IUView on the iPad. I added the following: Search Bar (not Search Bar and Search Display) to the toolbar. I set the options to be as follows: Show Cancel Button, Show Scope Bar, Scope Button Titles are: "Title1" and "Title2" (with Title2's radio button selected). Opaque, Clear Context and Auto Resize are checked. I hooked up the delegate of Search Bar to the "File's Owner" and linked it to IBOutlet theSearchBar. In my viewWillAppear I have the following: [theSearchBar setScopeButtonTitles:[NSArray arrayWithObjects:@"Near Me",@"Everywhere",nil]]; //Just in case: [theSearchBar setShowsScopeBar:YES]; //doesn't seem to do anything: //[theSearchBar sizeToFit]; searchDisplayController = [[UISearchDisplayController alloc] initWithSearchBar:theSearchBar contentsController:self]; [self setSearchDisplayController:searchDisplayController]; [searchDisplayController setDelegate:self]; [searchDisplayController setSearchResultsDataSource:self]; //again--does not seem to do anything..but people have suggested it: [theSearchBar sizeToFit]; Okay, so far, I thought, so good. So, I made the File's Owner .m file to be a delegate for: UISearchBarDelegate, UISearchDisplayDelegate. My issue: I have yet to implement the delegates necessary to do the search but still... shouldn't I be seeing the scopeBar next to the search field when I click into the search field? Just so you know I DO see the log of the characters I type, so the delegate is working. I have the following dummy functions in the .m file (just in case) // called when keyboard search button pressed - (void)searchBarSearchButtonClicked:(UISearchBar *)searchBar { NSLog(@"Search Button Clicked\n"); [theSearchBar resignFirstResponder]; } // called when cancel button pressed - (void)searchBarCancelButtonClicked:(UISearchBar *)searchBar { NSLog(@"Cancel Button Clicked\n"); [theSearchBar resignFirstResponder]; } - (void)searchBar:(UISearchBar *)searchBar textDidChange:(NSString *)searchText { NSLog(@"Search Text So Far: '%@'\n",searchText); } - (BOOL)searchBarShouldBeginEditing:(UISearchBar *)searchBar { return YES; } - (BOOL)searchBarShouldEndEditing:(UISearchBar *)searchBar { return YES; } Why doesn't the Scope Bar appear? A results UIPopoverController appears with the title "Results" and "No results found" (of course) when i type the first character in my search...but no scope bar. (not that i expect anything other than "No Results Found". I am wondering where the scope bar is supposed to appear...in the titleView of the UIPopover? In the toolbar to the right of the search area? Where?

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• How to use NSMutableDictionary to store and retrieve data

  - by TechFusion

  I have created Window Based application and tab bar controller as root controller. My objective is to store Text Field data values in one tab bar VC and will be accessible and editable by other VC and also retrievable when application start. I am looking to use NSMutableDictionary class in AppDelegate so that I can access stored Data Values with keys. //TestAppDelegate.h extern NSString *kNamekey ; extern NSString *kUserIDkey ; extern NSString *kPasswordkey ; @interface TestAppDelegate :NSObject{ UIWindow *window; IBOutlet UITabBarController *rootController; NSMutableDictionary *outlineData ; } @property(nonatomic,retain)IBOutlet UIWindow *window; @property(nonatomic,retain)IBOutlet UITabBarController *rootController; @property(nonatomic,retain) NSMutableDictionary *outlineData ; @end //TestAppDelegate.m import "TestAppDelegate.h" NSString *kNamekey =@"Namekey"; NSString *kUserIDkey =@"UserIDkey"; NSString *kPasswordkey =@"Passwordkey"; @implemetation TestAppDelegate @synthesize outlineData ; -(void)applicationDidFinishLaunching:(UIApplication)application { NSMutableDictionary *tempMutableCopy = [[[NSUserDefaults standardUserDefaults] objectForKey:kRestoreLocationKey] mutableCopy]; self.outlineData = tempMutableCopy; [tempMutableCopy release]; if(outlineData == nil){ NSString *NameDefault = NULL; NSString *UserIDdefault= NULL; NSString *Passworddefault= NULL; NSMutableDictionary *appDefaults = [NSMutableDictionary dictionaryWithObjectsAndKeys: NameDefault, kNamekey , UserIDdefault, kUserIDkey , Passworddefault, kPasswordkey , nil]; self.outlineData = appDefaults; [appDefaults release]; } [window addSubview:rootController.view]; [window makeKeyAndVisible]; NSMutableDictionary *savedLocationDict = [NSMutableDictionary dictionaryWithObject:outlineData forKey:kRestoreLocationKey]; [[NSUserDefaults standardUserDefaults] registerDefaults:savedLocationDict]; [[NSUserDefaults standardUserDefaults] synchronize]; } -(void)applicationWillTerminate:(UIApplication *)application { [[NSUserDefaults standardUserDefaults] setObject:outlineData forKey:kRestoreLocationKey]; } @end Here ViewController is ViewController of Navigation Controller which is attached with one tab bar.. I have attached xib file with ViewController //ViewController.h @interface IBOutlet UITextField *Name; IBOutlet UITextField *UserId; IBOutlet UITextField *Password; } @property(retain,nonatomic) IBOutlet UITextField *Name @property(retain,nonatomic) IBOutlet UITextField *UserId; @property(retain,nonatomic) IBOutlet UITextField *Password; -(IBAction)Save:(id)sender; @end Here in ViewController.m, I am storing object values with keys. /ViewController.m -(IBAction)Save:(id)sender{ TestAppDelegate appDelegate = (TestAppDelegate)[[UIApplication sharedApplication] delegate]; [appDelegate.outlineData setObject:Name.text forKey:kNamekey ]; [appDelegate.outlineData setObject:UserId.text forKey:kUserIDkey ]; [appDelegate.outlineData setObject:Password.text forKey:kPasswordkey]; [[NSUserDefaults standardUserDefaults] synchronize]; } I am accessing stored object using following method. -(void)loadData { TabBarAppDelegate *appDelegate = (TabBarAppDelegate *)[[UIApplication sharedApplication] delegate]; Name = [appDelegate.outlineData objectForKey:kNamekey ]; UserId = [appDelegate.outlineData objectForKey:kUserIDkey ]; Password = [appDelegate.outlineData objectForKey:kPasswordkey]; [Name release]; [UserId release]; [Password release]; } I am getting EXEC_BAD_ACCESS in application. Where I am making mistake ? Thanks,

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• iPhone - archiving array of custom objects

  - by Dylan

  I've been trying for hours and I cannot solve this problem. I'm making an app that saves unfinished Chess Games, so I'm trying to write an array to a file. This is what the array is, if it makes sense: -NSMutableArray savedGames --GameSave a ---NSMutableArray board; ----Piece a, b, c, etc. -----some ints ---NSString whitePlayer, blackPlayer; ---int playerOnTop, turn; --GameSave b ---NSMutableArray board; ----Piece a, b, c, etc. -----some ints ---NSString whitePlayer, blackPlayer; ---int playerOnTop, turn; etc. And these are my NSCoding methods: GameSave.m - (void)encodeWithCoder:(NSCoder *)coder { [coder encodeObject:whitePlayer forKey:@"whitePlayer"]; [coder encodeObject:blackPlayer forKey:@"blackPlayer"]; [coder encodeInt:playerOnTop forKey:@"playerOnTop"]; [coder encodeInt:turn forKey:@"turn"]; [coder encodeObject:board forKey:@"board"]; } - (id)initWithCoder:(NSCoder *)coder { self = [[GameSave alloc] init]; if (self != nil) { board = [coder decodeObjectForKey:@"board"]; whitePlayer = [coder decodeObjectForKey:@"whitePlayer"]; blackPlayer = [coder decodeObjectForKey:@"blackPlayer"]; playerOnTop = [coder decodeIntForKey:@"playerOnTop"]; turn = [coder decodeIntForKey:@"turn"]; } return self; } Piece.m - (void)encodeWithCoder:(NSCoder *)coder { [coder encodeInt:color forKey:@"color"]; [coder encodeInt:piece forKey:@"piece"]; [coder encodeInt:row forKey:@"row"]; [coder encodeInt:column forKey:@"column"]; } - (id)initWithCoder:(NSCoder *)coder { self = [[Piece alloc] init]; if (self != nil) { color = [coder decodeIntForKey:@"color"]; piece = [coder decodeIntForKey:@"piece"]; row = [coder decodeIntForKey:@"row"]; column = [coder decodeIntForKey:@"column"]; } return self; } And this is the code that tries to archive and save to file: - (void)saveGame { ChessSaverAppDelegate *delegate = (ChessSaverAppDelegate *) [[UIApplication sharedApplication] delegate]; [[delegate gameSave] setBoard:board]; NSMutableArray *savedGames = [NSKeyedUnarchiver unarchiveObjectWithFile:[self dataFilePath]]; if (savedGames == nil) { [NSKeyedArchiver archiveRootObject:[delegate gameSave] toFile:[self dataFilePath]]; } else { [savedGames addObject:[delegate gameSave]]; [NSKeyedArchiver archiveRootObject:savedGames toFile:[self dataFilePath]]; } } - (NSString *)dataFilePath { NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES); NSString *documentsDirectory = [paths objectAtIndex:0]; return [documentsDirectory stringByAppendingPathComponent:@"gameSaves.plist"]; } Sorry, here's the problem: After setting some breakpoints, an error is reached after this line from -saveGame: [NSKeyedArchiver archiveRootObject:savedGames toFile:[self dataFilePath]]; And this is what shows up in the console: 2010-05-11 17:04:08.852 ChessSaver[62065:207] *** -[NSCFType encodeWithCoder:]: unrecognized selector sent to instance 0x3d3cd30 2010-05-11 17:04:08.891 ChessSaver[62065:207] *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '*** -[NSCFType encodeWithCoder:]: unrecognized selector sent to instance 0x3d3cd30' 2010-05-11 17:04:08.908 ChessSaver[62065:207] Stack: ( 32339035, 31077641, 32720955, 32290422, 32143042, 238843, 25827, 238843, 564412, 342037, 238843, 606848, 17686, 2733061, 4646817, 2733061, 3140430, 3149167, 3144379, 2837983, 2746312, 2773089, 41684313, 32123776, 32119880, 41678357, 41678554, 2777007, 9884, 9738 ) If it matters, -saveGame is called from a UIBarButton in a navigation controller. Any help is appreciated, thanks.

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• ADO.NET (WCF) Data Services Query Interceptor Hangs IIS

  - by PreMagination

  I have an ADO.NET Data Service that's supposed to provide read-only access to a somewhat complex database. Logically I have table-per-type (TPT) inheritance in my data model but the EDM doesn't implement inheritance. (Limitation of EF and navigation properties on derived types. STILL not fixed in EF4!) I can query my EDM directly (using a separate project) using a copy of the query I'm trying to run against the web service, results are returned within 10 seconds. Disabling the query interceptors I'm able to make the same query against the web service, results are returned similarly quickly. I can enable some of the query interceptors and the results are returned slowly, up to a minute or so later. Alternatively, I can enable all the query interceptors, expand less of the properties on the main object I'm querying, and results are returned in a similar period of time. (I've increased some of the timeout periods) Up til this point Sql Profiler indicates the slow-down is the database. (That's a post for a different day) But when I enable all my query interceptors and expand all the properties I'd like to have the IIS worker process pegs the CPU for 20 minutes and a query is never even made against the database. This implies to me that yes, my implementation probably sucks but regardless the Data Services "tier" is having an issue it shouldn't. WCF tracing didn't reveal anything interesting to my untrained eye. Details: Data model: Agent-Person-Student Student has a collection of referrals Students and referrals are private, queries against the web service should only return "your" students and referrals. This means Person and Agent need to be filtered too. Other entities (Agent-Organization-School) can be accessed by anyone who has authenticated. The existing security model is poorly suited to perform this type of filtering for this type of data access, the query interceptors are complicated and cause EF to generate some entertaining sql queries. Sample Interceptor [QueryInterceptor("Agents")] public Expression<Func<Agent, Boolean>> OnQueryAgents() { //Agent is a Person(1), Educator(2), Student(3), or Other Person(13); allow if scope permissions exist return ag => (ag.AgentType.AgentTypeId == 1 || ag.AgentType.AgentTypeId == 2 || ag.AgentType.AgentTypeId == 3 || ag.AgentType.AgentTypeId == 13) && ag.Person.OrganizationPersons.Count<OrganizationPerson>(op => op.Organization.ScopePermissions.Any<ScopePermission> (p => p.ApplicationRoleAccount.Account.UserName == HttpContext.Current.User.Identity.Name && p.ApplicationRoleAccount.Application.ApplicationId == 124) || op.Organization.HierarchyDescendents.Any<OrganizationsHierarchy>(oh => oh.AncestorOrganization.ScopePermissions.Any<ScopePermission> (p => p.ApplicationRoleAccount.Account.UserName == HttpContext.Current.User.Identity.Name && p.ApplicationRoleAccount.Application.ApplicationId == 124))) > 0; } The query interceptors for Person, Student, Referral are all very similar, ie they traverse multiple same/similar tables to look for ScopePermissions as above. Sample Query var referrals = (from r in service.Referrals .Expand("Organization/ParentOrganization") .Expand("Educator/Person/Agent") .Expand("Student/Person/Agent") .Expand("Student") .Expand("Grade") .Expand("ProblemBehavior") .Expand("Location") .Expand("Motivation") .Expand("AdminDecision") .Expand("OthersInvolved") where r.DateCreated >= coupledays && r.DateDeleted == null select r); Any suggestions or tips would be greatly associated, for fixing my current implementation or in developing a new one, with the caveat that the database can't be changed and that ultimately I need to expose a large portion of the database via a web service that limits data access to the data authorized for, for the purpose of data integration with multiple outside parties. THANK YOU!!!

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• Installing a configuration profile on iPhone - programmatically

  - by Seva Alekseyev

  Hi all, I would like to ship a configuration profile with my iPhone application, and install it if needed. Mind you, we're talking about a configuration profile, not a provisioning profile. First off, such a task is possible. If you place a config profile on a Web page and click on it from Safari, it will get installed. If you e-mail a profile and click the attachment, it will install as well. "Installed" in this case means "The installation UI is invoked" - but I could not even get that far. So I was working under the theory that initiating a profile installation involves navigating to it as a URL. I added the profile to my app bundle. A) First, I tried [sharedApp openURL] with the file:// URL into my bundle. No such luck - nothing happens. B) I then added an HTML page to my bundle that has a link to the profile, and loaded it into a UIWebView. Clicking on the link does nothing. Loading an identical page from a Web server in Safari, however, works fine - the link is clickable, the profile installs. I provided a UIWebViewDelegate, answering YES to every navigation request - no difference. C) Then I tried to load the same Web page from my bundle in Safari (using [sharedApp openURL] - nothing happens. I guess, Safari cannot see files inside my app bundle. D) Uploading the page and the profile on a Web server is doable, but a pain on the organizational level, not to mention an extra source of failures (what if no 3G coverage? etc.). So my big question is: how do I install a profile programmatically? And the little questions are: what can make a link non-clickable within a UIWebView? Is it possible to load a file:// URL from my bundle in Safari? If not, is there a local location on iPhone where I can place files and Safari can find them? EDIT on B): the problem is somehow in the fact that we're linking to a profile. I renamed it from .mobileconfig to .xml ('cause it's really XML), altered the link. And the link worked in my UIWebView. Renamed it back - same stuff. It looks as if UIWebView is reluctant to do application-wide stuff - since installation of the profile closes the app. I tried telling it that it's OK - by means of UIWebViewDelegate - but that did not convince. Same behavior for mailto: URLs within UIWebView. For mailto: URLs the common technique is to translate them into [openURL] calls, but that doesn't quite work for my case, see scenario A. For itms: URLs, however, UIWebView works as expected... EDIT2: tried feeding a data URL to Safari via [openURL] - does not work, see here: http://stackoverflow.com/questions/641461/iphone-open-data-url-in-safari EDIT3: found a lot of info on how Safari does not support file:// URLs. UIWebView, however, very much does. Also, Safari on the simulator open them just fine. The latter bit is the most frustrating.

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• What is in your Mathematica tool bag?

  - by Timo

  We all know that Mathematica is great, but it also often lacks critical functionality. What kind of external packages / tools / resources do you use with Mathematica? I'll edit (and invite anyone else to do so too) this main post to include resources which are focused on general applicability in scientific research and which as many people as possible will find useful. Feel free to contribute anything, even small code snippets (as I did below for a timing routine). Also, undocumented and useful features in Mathematica 7 and beyond you found yourself, or dug up from some paper/site are most welcome. Please include a short description or comment on why something is great or what utility it provides. If you link to books on Amazon with affiliate links please mention it, e.g., by putting your name after the link. Packages: LevelScheme is a package that greatly expands Mathematica's capability to produce good looking plots. I use it if not for anything else then for the much, much improved control over frame/axes ticks. David Park's Presentation Package ($50 - no charge for updates) Tools: MASH is Daniel Reeves's excellent perl script essentially providing scripting support for Mathematica 7. (This is finally built in as of Mathematica 8 with the -script option.) Resources: Wolfram's own repository MathSource has a lot of useful if narrow notebooks for various applications. Also check out the other sections such as Current Documentation, Courseware for lectures, and Demos for, well, demos. Books: Mathematica programming: an advanced introduction by Leonid Shifrin (web, pdf) is a must read if you want to do anything more than For loops in Mathematica. Quantum Methods with Mathematica by James F. Feagin (amazon) The Mathematica Book by Stephen Wolfram (amazon) (web) Schaum's Outline (amazon) Mathematica in Action by Stan Wagon (amazon) - 600 pages of neat examples and goes up to Mathematica version 7. Visualization techniques are especially good, you can see some of them on the author's Demonstrations Page. Mathematica Programming Fundamentals by Richard Gaylord (pdf) - A good concise introduction to most of what you need to know about Mathematica programming. Undocumented (or scarcely documented) Features: How to customize Mathematica keyboard shortcuts. See this question. How to inspect patterns and functions used by Mathematica's own functions. See this answer How to achieve Consistent size for GraphPlots in Mathematica? See this question.

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• Using GraphicsServices.h/GSEvent as well as compiling CLI iPhone tools with XCode

  - by Peter Hajas

  I sent this to KennyTM (has all the private framework headers on GitHub) but I figured I'd ask here too just in case someone has some good ideas or any way to help me out. I'm trying to write a command line utility that sends GSEvents to operate the keyboard, touch/drag elements onscreen, and operate hardware buttons (volume, home, sleep, etc.) I grabbed the MouseSupport code and tried to look through it, but I couldn't find the easiest way to send GSEvents. I'm hoping someone here can help me. First, what's the simplest way to declare a GSEvent and send it? I looked at the iPhone development wiki, but the documentation was very vague. I understand that there's a purple event port (?) that I have to send these events to, but I don't understand how to do that. Could someone offer examples for, say, touching at a coordinate, typing a certain key, or pressing a hardware button? Also, do I have to write or do anything special if I want this utility to operate all applications as well as Springboard? I don't know if this is a special case because I want it at the OS level. Ideally, I would SSH into the phone, start the program, and it would send GSEvents that would be handled by whatever application was open. As far as compiling this code, is there any way to do so under XCode? I don't know what sort of project template I should use (if any) and this is throwing me off. I don't need "build and go" support, I'm more than happy to scp the program over to the phone. I understand that compiling the code is also feasible on the phone. I have all of the headers from the SDK on my phone along with iphone-gcc, but when compiling some test programs I still get errors about not finding mach headers and CoreFoundation. Is there an easier way to do this? Lastly, are there other guides or pieces of literature that anyone can point me towards for learning more about this? I'm excited to get into open iPhone development (I have experience with the official SDK, but I want to go deeper). Thanks for any and all help people can offer!

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• Jquery removeClass Not Working

  - by Wade D Ouellet

  Hey, My site is here: http://treethink.com What I have going is a news ticker on the right that is inside a jquery function. The function starts right away and extracts the news ticker and then retracts it as it should. When a navigation it adds a class to the div, which the function then checks for to see if it should stop extracting/retracting. This all works great. The problem I am having is that after the close button is clicked (in the content window), the removeClass won't work. This means that it keeps thinking the window is open and therefore the conditional statement inside the function won't let it extract and retract again. With a simple firebug check, it's showing that the class isn't being removed period. It's not the cboxClose id that it's not finding because I tried changing that to just "a" tags in general and it still wouldn't work so it's something to do with the jQuery for sure. Someone also suggested a quick alert() to check if the callback is working but I'm not sure what this is. Here is the code: /* News Ticker */ /* Initially hide all news items */ $('#ticker1').hide(); $('#ticker2').hide(); $('#ticker3').hide(); var randomNum = Math.floor(Math.random()*3); /* Pick random number */ newsTicker(); function newsTicker() { if (!$("#ticker").hasClass("noTicker")) { $("#ticker").oneTime(2000,function(i) { /* Do the first pull out once */ $('div#ticker div:eq(' + randomNum + ')').show(); /* Select div with random number */ $("#ticker").animate({right: "0"}, {duration: 800 }); /* Pull out ticker with random div */ }); $("#ticker").oneTime(15000,function(i) { /* Do the first retract once */ $("#ticker").animate({right: "-450"}, {duration: 800}); /* Retract ticker */ $("#ticker").oneTime(1000,function(i) { /* Afterwards */ $('div#ticker div:eq(' + (randomNum) + ')').hide(); /* Hide that div */ }); }); $("#ticker").everyTime(16500,function(i) { /* Everytime timer gets to certain point */ /* Show next div */ randomNum = (randomNum+1)%3; $('div#ticker div:eq(' + (randomNum) + ')').show(); $("#ticker").animate({right: "0"}, {duration: 800}); /* Pull out right away */ $("#ticker").oneTime(15000,function(i) { /* Afterwards */ $("#ticker").animate({right: "-450"}, {duration: 800});/* Retract ticker */ }); $("#ticker").oneTime(16000,function(i) { /* Afterwards */ /* Hide all divs */ $('#ticker1').hide(); $('#ticker2').hide(); $('#ticker3').hide(); }); }); } else { $("#ticker").animate({right: "-450"}, {duration: 800}); /* Retract ticker */ $("#ticker").oneTime(1000,function(i) { /* Afterwards */ $('div#ticker div:eq(' + (randomNum) + ')').hide(); /* Hide that div */ }); $("#ticker").stopTime(); } } /* when nav item is clicked re-run news ticker function but give it new class to prevent activity */ $("#nav li").click(function() { $("#ticker").addClass("noTicker"); newsTicker(); }); /* when close button is clicked re-run news ticker function but take away new class so activity can start again */ $("#cboxClose").click(function() { $("#ticker").removeClass("noTicker"); newsTicker(); }); Thanks, Wade

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• How to remove buttons in AnythingSlider and stop the sliding?

  - by user244394

  I'm currently using the anythingSlider it works quite well. But if there is one li, how do i make it stop sliding and remove the buttons displayed below? The *li*s are generated from the database so sometimes there's only one. I want the buttons to show only when there is more then one image. if there is one image all the buttons( back, forward, pause) should not be displayed. Does anybody know of a way of stopping it sliding if there's only one li and removing the buttons when there is only one image. ===================================================================================== Thank You. Currently I have the working version, posted below the old code is working. I tried to replace it with yours it didnt seem to work. Is there something else that needs to be added? function formatText(index, panel) { return index + ""; } $(function () { $('.anythingSlider').anythingSlider({ easing: "easeInOutExpo", // Anything other than "linear" or "swing" requires the easing plugin autoPlay: true, // This turns off the entire FUNCTIONALY, not just if it starts running or not. delay: 7500, // How long between slide transitions in AutoPlay mode startStopped: false, // If autoPlay is on, this can force it to start stopped animationTime: 1250, // How long the slide transition takes hashTags: true, // Should links change the hashtag in the URL? buildNavigation: true, // If true, builds and list of anchor links to link to each slide pauseOnHover: true, // If true, and autoPlay is enabled, the show will pause on hover startText: "", // Start text stopText: "", // Start text navigationFormatter: formatText // Details at the top of the file on this use (advanced use) }); $("#slide-jump").click(function(){ $('.anythingSlider').anythingSlider(6); }); }); UPDATED WITH YOUR CODE : function formatText(index, panel) { return index + ""; } $(function () { var singleSlide = true, options = { autoPlay: false, // This turns off the entire FUNCTIONALY, not just if it starts running or not. buildNavigation: false, // If true, builds and list of anchor links to link to each slide easing: "easeInOutExpo", // Anything other than "linear" or "swing" requires the easing plugin delay: 3000, // How long between slide transitions in AutoPlay mode animationTime: 600, // How long the slide transition takes hashTags: true, // Should links change the hashtag in the URL? pauseOnHover: true, // If true, and autoPlay is enabled, the show will pause on hover navigationFormatter: formatText // Details at the top of the file on this use (advanced use) }; // Add player options if more than one slide exists if ( $('.anythingSlider div ul li').length 1 ) { $.extend(options, { autoPlay: true, startStopped: false, // If autoPlay is on, this can force it to start stopped startText: "", // Start text stopText: "", // Start text buildNavigation: true }); singleSlide = false; } // Initiate anythingSlider $("#slide-jump").click(function(){ $('.anythingSlider').anythingSlider(6); }); // hide anythingSlider navigation arrows if (singleSlide) { $('.anythingSlider a.arrow').hide(); } }); HTML TAGS ========================================================================================= Update May 25 ,2010 When using $('.anythingSlider').anythingSlider(options); instead of $('.anythingSlider').anythingSlider(6); the slider runs but I noticed that I get a Javascript Error :Object required is there anything else I need to pass? Since before anythingSlider was taking 6 instead of options, where do I pass that 6, since its looking for it.

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• Why does the interpretted order seem different from what I expect?

  - by inspectorG4dget

  I have a problem that I have not faced before: It seems that the order of interpretation in my program is somehow different from what I expect. I have written a small Twitter client. It takes a few seconds for my program to actually post a tweet after I click the "GO" button (which can also be activated by hitting ENTER on the keyboard). I don't want to click multiple times within this time period thinking that I hadn't clicked it the first time. Therefore, when the button is clicked, I would like the label text to display something that tells me that the button has been clicked. I have implemented this message by altering the label text before I send the tweet across. However, for some reason, the message does not display until the tweet has been attempted. But since I have a confirmation message after the tweet, I never get to see this message and my original problem goes unsolved. I would really appreciate any help. Here is the relevant code: class SimpleTextBoxForm(Form): def init(self): # set window properties self.Text = "Tweeter" self.Width = 235 self.Height = 250 #tweet away self.label = Label() self.label.Text = "Tweet Away..." self.label.Location = Point(10, 10) self.label.Height = 25 self.label.Width = 200 #get the tweet self.tweetBox = TextBox() self.tweetBox.Location = Point(10, 45) self.tweetBox.Width = 200 self.tweetBox.Height = 60 self.tweetBox.Multiline = True self.tweetBox.WordWrap = True self.tweetBox.MaxLength = 140; #ask for the login ID self.askLogin = Label() self.askLogin.Text = "Login:" self.askLogin.Location = Point(10, 120) self.askLogin.Height = 20 self.askLogin.Width = 60 self.login = TextBox() self.login.Text= "" self.login.Location = Point(80, 120) self.login.Height = 40 self.login.Width = 100 #ask for the password self.askPass = Label() self.askPass.Text = "Password:" self.askPass.Location = Point(10, 150) self.askPass.Height = 20 self.askPass.Width = 60 # display password box with character hiding self.password = TextBox() self.password.Location = Point(80, 150) self.password.PasswordChar = "x" self.password.Height = 40 self.password.Width = 100 #submit button self.button1 = Button() self.button1.Text = 'Tweet' self.button1.Location = Point(10, 180) self.button1.Click += self.update self.AcceptButton = self.button1 #pack all the elements of the form self.Controls.Add(self.label) self.Controls.Add(self.tweetBox) self.Controls.Add(self.askLogin) self.Controls.Add(self.login) self.Controls.Add(self.askPass) self.Controls.Add(self.password) self.Controls.Add(self.button1) def update(self, sender, event): if not self.password.Text: self.label.Text = "You forgot to enter your password..." else: self.tweet(self.tweetBox.Text, self.login.Text, self.password.Text) def tweet(self, msg, login, password): self.label.Text = "Attempting Tweet..." # this should be executed before sending the tweet is attempted. But this seems to be executed only after the try block try: success = 'Tweet successfully completed... yay!\n' + 'At: ' + time.asctime().split()[3] ServicePointManager.Expect100Continue = False Twitter().UpdateAsXML(login, password, msg) except: error = 'Unhandled Exception. Tweet unsuccessful' self.label.Text = error else: self.label.Text = success self.tweetBox.Text = ""

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• Why does the interpreted order seem different from what I expect?

  - by inspectorG4dget

  I have a problem that I have not faced before: It seems that the order of interpretation in my program is somehow different from what I expect. I have written a small Twitter client. It takes a few seconds for my program to actually post a tweet after I click the "GO" button (which can also be activated by hitting ENTER on the keyboard). I don't want to click multiple times within this time period thinking that I hadn't clicked it the first time. Therefore, when the button is clicked, I would like the label text to display something that tells me that the button has been clicked. I have implemented this message by altering the label text before I send the tweet across. However, for some reason, the message does not display until the tweet has been attempted. But since I have a confirmation message after the tweet, I never get to see this message and my original problem goes unsolved. I would really appreciate any help. Here is the relevant code: class SimpleTextBoxForm(Form): def __init__(self): # set window properties self.Text = "Tweeter" self.Width = 235 self.Height = 250 #tweet away self.label = Label() self.label.Text = "Tweet Away..." self.label.Location = Point(10, 10) self.label.Height = 25 self.label.Width = 200 #get the tweet self.tweetBox = TextBox() self.tweetBox.Location = Point(10, 45) self.tweetBox.Width = 200 self.tweetBox.Height = 60 self.tweetBox.Multiline = True self.tweetBox.WordWrap = True self.tweetBox.MaxLength = 140; #ask for the login ID self.askLogin = Label() self.askLogin.Text = "Login:" self.askLogin.Location = Point(10, 120) self.askLogin.Height = 20 self.askLogin.Width = 60 self.login = TextBox() self.login.Text= "" self.login.Location = Point(80, 120) self.login.Height = 40 self.login.Width = 100 #ask for the password self.askPass = Label() self.askPass.Text = "Password:" self.askPass.Location = Point(10, 150) self.askPass.Height = 20 self.askPass.Width = 60 # display password box with character hiding self.password = TextBox() self.password.Location = Point(80, 150) self.password.PasswordChar = "x" self.password.Height = 40 self.password.Width = 100 #submit button self.button1 = Button() self.button1.Text = 'Tweet' self.button1.Location = Point(10, 180) self.button1.Click += self.update self.AcceptButton = self.button1 #pack all the elements of the form self.Controls.Add(self.label) self.Controls.Add(self.tweetBox) self.Controls.Add(self.askLogin) self.Controls.Add(self.login) self.Controls.Add(self.askPass) self.Controls.Add(self.password) self.Controls.Add(self.button1) def update(self, sender, event): if not self.password.Text: self.label.Text = "You forgot to enter your password..." else: self.tweet(self.tweetBox.Text, self.login.Text, self.password.Text) def tweet(self, msg, login, password): self.label.Text = "Attempting Tweet..." # this should be executed before sending the tweet is attempted. But this seems to be executed only after the try block try: success = 'Tweet successfully completed... yay!\n' + 'At: ' + time.asctime().split()[3] ServicePointManager.Expect100Continue = False Twitter().UpdateAsXML(login, password, msg) except: error = 'Unhandled Exception. Tweet unsuccessful' self.label.Text = error else: self.label.Text = success self.tweetBox.Text = ""

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• How to pushviewcontroller to a viewcontroller stored in a tabbaritem?

  - by Jann

  First of all I know this is a long question. REST ASSURED I have tried to figure it out on my own (see: StackOverflow #2609318). This is driving me BATTY! After trying and failing to implement my own EDIT feature in the standard moreNavigationController, I have decided to re-implement my own MORE feature. I did the following: Add a HOME view controller which I init with: initWithRootViewController Add 3 other default tabs with: ResortsListViewController *resortsListViewController; resortsListViewController = [[ResortsListViewController alloc] initWithNibName:@"ResortsListView" bundle:nil]; resortsListViewController.title = [categoriesDictionary objectForKey:@"category_name"]; resortsListViewController.tabBarItem.image = [UIImage imageNamed:@"whatever.png"]; resortsListViewController.navigationItem.title=@"whatever title"; localNavigationController = [[UINavigationController alloc] initWithRootViewController:resortsListViewController]; localNavigationController.navigationBar.barStyle = UIBarStyleBlack; [localControllersArray addObject:localNavigationController]; [localNavigationController release]; [resortsListViewController release]; Those work when i add them to the tabbar. (ie: click on them and it goes to the view controller) Then I add my own MORE view controller to the tabbar: MoreViewController *moreViewController; moreViewController = [[MoreViewController alloc] initWithNibName:@"MoreView" bundle:nil]; moreViewController.title = @"More"; moreViewController.tabBarItem.image = [UIImage imageNamed:@"more.png"]; moreViewController.navigationItem.title=@"More Categories"; localNavigationController = [[UINavigationController alloc] initWithRootViewController:moreViewController]; localNavigationController.navigationBar.barStyle = UIBarStyleBlack; [localControllersArray addObject:localNavigationController]; [localNavigationController release]; [moreViewController release]; Then tabBarController.viewControllers = localControllersArray; tabBarController.moreNavigationController.navigationBar.barStyle = UIBarStyleBlack; tabBarController.customizableViewControllers = [NSArray arrayWithObjects:nil]; tabBarController.delegate = self; That creates the necessary linkages. Okay, so far all is well. I get a HOME tab, 3 category tabs and a customized MORE tab -- which all work. in the MORE tab view controller I implement a simple table view that displays all the other tabs I have in rows. SINCE I want to be able to switch them in and out of the tabbar I created them JUST like i did the resortslistviewcontroller above (ie: as view controllers in an array). When I pull them out to display the title in the tableview (so the user can go to that "view") i simply do the following: // [myGizmoClass CategoryArray] holds the array of view controller tab bar items that are NOT shown on the main screen. - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { ... etc... UIViewController *Uivc = [[myGizmoClass plusCategoryArray] objectAtIndex:indexPath.row]; cell.textLabel.text = [Uivc title]; cell.accessoryType = UITableViewCellAccessoryDisclosureIndicator; } THIS is where it falls through: - (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath { MyGizmoClass *myGizmoClass= [MyGizmoClass sharedManager]; UIViewController *tbi = [[myGizmoClass plusCategoryArray] objectAtIndex:indexPath.row]; NSLog(@"%@\n",[[tbi navigationItem ]title]); [self.navigationController pushViewController:tbi animated:YES]; } This is the error i get ("ATMs" is the title for the clicked tableview cell so i know the Uivc title is pulling the correct title and therefore the correct "objectatindex": 2010-04-09 11:25:48.222 MouseAddict[47485:207] ATMs 2010-04-09 11:25:48.222 MouseAddict[47485:207] * Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: 'Pushing a navigation controller is not supported' BIG QUESTION: How do i make the associated VIEW of the UIViewController *tbi show and get pushed into view? I am GUESSING that the UIViewController is the correct class for this tbl .. i am not sure. BUT i just wanna get the view so i can push it onto the stack. Can someone plz help?

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• BlackBerry - Facebook extended permissions

  - by Max Gontar

  Hi! I've just found a great sample of Facebook Connect on Blackberry by Eki Y. Baskoro, The following is a short HOWTO on using Facebook Connect on Blackberry. I created a simple Facade encapsulating the Facebook REST API as well as added 'rough' MVC approach for screen navigation. I have tested on JDE 4.5 using 8320 simulator. This is still work in progress and all work is GPLed. It works great for reading stuff. NB Don't forget to get Facebook App Key and set it in TestBB class. But now I want to post something on my wall. So I've add new method to FacebookFacade class using Stream.publish API: /*** * Publishes message to the stream. * @param message - message that will appear on the facebook stream * @param targetId - The ID of the user, Page, group, or event where * you are publishing the content. */ public void streamPublish(String message, String targetId) { Hashtable arguments = new Hashtable(); arguments.put("method", "stream.publish"); arguments.put("message", message); arguments.put("target_id", targetId); try { JSONObject result = new JSONObject( int new JSONTokener(sendRequest(arguments))); int errorCode = result.getInt("error_code"); if (errorCode != 0) System.out.println("Error Code: "+errorCode); } catch (Exception e) { System.out.println(e); } } /*** * Publishes message on current user wall. * @param message - message that will appear on the facebook stream */ public void postOnTheWall(String message) { String targetId = String.valueOf(getLoggedInUserId()); streamPublish(message, targetId); } This will return Error code 200, "The user hasn't authorized the application to perform this action" First I thought it's related with Facebook - Application Settings - Additional Permissions - Publish recent activity (one line stories) to my wall but even checked, no difference... Then I've found this post explains that issue related with extended permissions. This in turn should be fixed by modifying url a little in LoginScreen class : public LoginScreen(FacebookFacade facebookFacade) { this.facebookFacade = facebookFacade; StringBuffer data = new StringBuffer(); data.append("api_key=" + facebookFacade.getApplicationKey()); data.append("&connect_display=popup"); data.append("&v=1.0"); //revomed //data.append("&next=http://www.facebook.com/connect/login_success.html"); //added data.append("&next=http://www.facebook.com/connect/prompt_permissions.php?" + "api_key="+facebookFacade.getApplicationKey()+"&display=popup&v=1.0"+ "&next=http://www.facebook.com/connect/login_success.html?"+ "xxRESULTTOKENxx&fbconnect=true" + "&ext_perm=read_stream,publish_stream,offline_access"); data.append("&cancel_url=http://www.facebook.com/connect/login_failure.html"); data.append("&fbconnect=true"); data.append("&return_session=true"); (new FetchThread("http://m.facebook.com/login.php?" + data.toString())).start(); } Unfortunately it's not working. Still Error Code 200 in return to stream.publish request... Do you have any suggestions how to resolve this? Thank you!

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• Act on click of a button on the Nav Bar for moreNavigationController -- Can't pushviewcontroller

  - by Jann

  Okay, here is my issue: My app has a display of categories in the tab bar at the bottom of the iPhoneOS screen. This only allows 5 categories before it presents the MORE button. I have over 25 (please do not answer this by saying: "Rethink your application...etc" -- that was rudely said before. They are food, drink, etc categories and cannot be changed). I want to allow the user to put their favorites on the home page. The Apple moreNavigationController editing system only allows 20 tab bar items to be rearranged due to space constraints on the editing page. This is not enough so i need to implement my own Editing screen. I set the rightBarButtonItem to nil and created my own. Using NSLog, i can see the "click" happens when clicking the EDIT button, but I cannot push using pushViewController. Nothing happens. I think it has something to do with the navigationController I am addressing...but i am not sure. ps: This all happens in my App Delegate which DOES act as both UITabBarControllerDelegate & UINavigationControllerDelegate. I tried to do the following: - ( void )navigationController:( UINavigationController * )navigationController_local willShowViewController:( UIViewController * )viewController_local animated:( BOOL )animated { UIViewController * currentController = navigationController_local.visibleViewController; UIViewController * nextController = viewController_local; // Do whatever here. NSLog(@"Nav contoller willShowViewController fired\n'%@'\n'%@'\nThere are currently: %d views on the stack\n",currentController,nextController,[self.navigationController.viewControllers count]); if ( [nextController isKindOfClass:NSClassFromString(@"UIMoreListController")]) { UINavigationBar *morenavbar = navigationController_local.navigationBar; UINavigationItem *morenavitem = morenavbar.topItem; morenavitem.rightBarButtonItem = nil; NSLog(@"Is a UIMoreListController\n"); UIBarButtonItem *editTabBarButton = [[UIBarButtonItem alloc] initWithTitle:@"Edit" style:UIBarButtonItemStylePlain target:self action:@selector(editTabBar:)]; morenavitem.rightBarButtonItem = editTabBarButton; [editTabBarButton release]; } } This works to place an EDIT button at the top right of the screen -- mimicking Apple's look and feel... but when that button is clicked, you cannot exit the darn moreNavigationController. I have tried many things. UIAlerts work, etc...but pushing (or popping -- even popping to root view) a view controller on the stack does not. - (void) editTabBar:(id)sender { NSLog(@"clicked edit tabbar\n"); NSLog(@"Total count of controllers: %d\n",[self.navigationController.viewControllers count]); TabBarViewController *tabBarViewController2 = [[TabBarViewController alloc] initWithNibName:@"TabBarView" bundle:nil]; tabBarViewController2.navigationItem.title=@"Edit Tab Bar"; [self.navigationController pushViewController:tabBarViewController2 animated:YES]; [tabBarViewController2 release]; NSLog(@"finished edit tabbar\n"); } If you click the edit button on the moreNavigationController's display page, you get the log entries like expected AND (this is strange) the views on the stack climbs -- but no page change occurs. I marked it down to not using the correct navigation controller...but I am lost on how to find which one TO use. this is a weird one too. In the edit function if i just do this: - (void) editTabBar:(id)sender { self.tabBarController.selectedIndex = 0; } It DOES take me home (to tabbarcontroller 0) BUT doing this: - (void) editTabBar:(id)sender { [self.navigationController popToRootViewControllerAnimated:YES]; } does not work. Does the moreNavigationController have some special quality that screws with the rest of the system?

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• CSS Fluid Grid Layout Problem

  - by Fuego DeBassi

  I have a max-width em based container for my layout. Within it I have many floated fixed width boxes, at 230px to be exact. At the max-width the container will expand to 90em's. This fit's 6 boxes per line perfectly. As the window sizes down and boxes are bumped to lower rows it leaves an ugly gap with the navigation above. I would like to force the container of the boxes to center them at all times. To illustrate: At full width: http://cl.ly/7393a462f44b8315aaba At smaller width: http://cl.ly/ff48a18d39c4f57c3513 How I would like smaller width to work: http://cl.ly/ae9c3fd04df515253b2d (Photoshoped) My markup looks like this: Biodesign Fusce massa felis, laoreet eu elementum sit amet, aliquam ut magna. Etiam et tellus in nisl vehicula ullamcorper. Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus. Aenean nulla ante. Biodesign Fusce massa felis, laoreet eu elementum sit amet, aliquam ut magna. Etiam et tellus in nisl vehicula ullamcorper. Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus. Aenean nulla ante. Biodesign Fusce massa felis, laoreet eu elementum sit amet, aliquam ut magna. Etiam et tellus in nisl vehicula ullamcorper. Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus. Aenean nulla ante. Biodesign Fusce massa felis, laoreet eu elementum sit amet, aliquam ut magna. Etiam et tellus in nisl vehicula ullamcorper. Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus. Aenean nulla ante. Biodesign Fusce massa felis, laoreet eu elementum sit amet, aliquam ut magna. Etiam et tellus in nisl vehicula ullamcorper. Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus. Aenean nulla ante. Biodesign Fusce massa felis, laoreet eu elementum sit amet, aliquam ut magna. Etiam et tellus in nisl vehicula ullamcorper. Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus. Aenean nulla ante. Biodesign Fusce massa felis, laoreet eu elementum sit amet, aliquam ut magna. Etiam et tellus in nisl vehicula ullamcorper. Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus. Aenean nulla ante. My CSS, is: div#bricks { margin:0 auto; background:red; width:100%; } div.brick { background:#181c21; width:230px; margin:0 5px 10px 5px; position:relative; float:left; } div.brick img { background:#666; max-width:230px; } The #bricks is inside a #main, which looks like: div#main { margin:0 auto; padding:0 50px; position:relative; max-width:90em; } Would love some ideas!

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• jquery $.getJSON only works once in internet explorer Help Please!!!

  - by JasperS

  I have a php function which inserts a searchbar into each page on a website. The site checks to see if the user has javascript enabled and if they do it inserts some jquery ajax stuff to link select boxes (instead of using it's fallback onchange="form.submit()"). $.getJSON works perfectly for me in other browsers except in IE, if I do a full page refresh (ctrl+F5) in IE my ajax works flawlessly until I navigate to a new page (or the same page with $PHP_SELF) either by submiting the form or clicking a link the jquery onchange function fires but then jquery throws an error: Webpage error details Message: Object doesn't support this property or method Line: 123 Char: 183 Code: 0 URI: http://~#UNABLE~TO~DISCLOSE#~/jquery-1.4.2.min.js It seems like jquery function $.getJSON() is gone??? This seems to be some kind of caching issue as it happens on the second page load but I think i've go all the caching prevention in place anyways, here's a snipet of the code that ads the jquery functions: if (isset($_SESSION['NO_SCRIPT']) == true && $_SESSION['NO_SCRIPT'] == false) { $html .= '<script type="text/javascript" charset="utf-8">'; $html .= '$.ajaxSetup({ cache: false });'; $html .= '$.ajaxSetup({"error":function(XMLHttpRequest,textStatus, errorThrown) { alert(textStatus); alert(errorThrown); alert(XMLHttpRequest.responseText); }});'; $html .= '</script>'; $html .= '<script type="text/javascript" charset="utf-8">'; $html .= '$(function(){ $("select#searchtype").change(function() { '; $html .= 'alert("change fired!"); '; $html .= '$.getJSON("ajaxgetcategories.php", {id: $(this).val()}, function(j) { '; $html .= 'alert("ajax returned!"); '; $html .= 'var options = \'\'; '; $html .= 'options += \'<option value="0" >--\' + j[0].all + \'--</option>\'; '; $html .= 'for (var i = 0; i < j.length; i++) { options += \'<option value="\' + j[i].id + \'">\' + j[i].name + \'</option>\'; } '; $html .= '$("select#searchcategory").html(options); }) }) }) '; $html .= '</script> '; $html .= '<script type="text/javascript" charset="utf-8"> '; $html .= '$(function(){ $("select#searchregion").change(function() { '; $html .= 'alert("change fired!"); '; $html .= '$.getJSON("ajaxgetcountries.php", {id: $(this).val()}, function(j) { '; $html .= 'alert("ajax returned!"); '; $html .= 'var options = \'\'; '; $html .= 'options += \'<option value="0" >--\' + j[0].all + \'--</option>\'; '; $html .= 'for (var i = 0; i < j.length; i++) { options += \'<option value="\' + j[i].id + \'">\' + j[i].name + \'</option>\'; } '; $html .= '$("select#searchcountry").html(options); }) }) }) '; $html .= '</script> '; }; return $html; remember, this is part of a php funtion that inserts a script into the html and sorry if it looks a bit messy, I'm new to PHP and Javascript and I'm a bit untidy too :) Please also remember that this works perfectly in IE on the first visit but after any navigation I get the error. Thanks guys

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• Binding menu items to a sitemap.

  - by Ricardo Deano

  Hello all..this is driving me nuts. I have a navigation menu I would like to display based upon user roles (using.net membership) After several hours and headaches (from banging my head against the desk) I was wondering if someone can point me in the error of my ways. Page: <body> <form runat="server"> <div class="page"> <div class="header"> <div class="loginDisplay"> <asp:LoginView ID="HeadLoginView" runat="server" EnableViewState="false"> <AnonymousTemplate> <a href="~/Login.aspx" ID="HeadLoginStatus" runat="server">Log In</a> </AnonymousTemplate> <LoggedInTemplate> Welcome <span class="bold"><asp:LoginName ID="HeadLoginName" runat="server" /></span>! [ <asp:LoginStatus ID="HeadLoginStatus" runat="server" LogoutAction="Redirect" LogoutText="Log Out" LogoutPageUrl="~/Open/Close.aspx"/> ] </LoggedInTemplate> </asp:LoginView> </div> <div class="clear hideSkiplink"> <asp:Menu ID="NavigationMenu" runat="server" CssClass="menu" IncludeStyleBlock="False" Orientation="Horizontal" DataSourceID="AugustSiteMap" /> <asp:SiteMapDataSource ID="AugustSiteMap" runat="server" ShowStartingNode="false"/> </div> </div> SiteMap: <?xml version="1.0" encoding="utf-8" ?> <siteMap xmlns="http://schemas.microsoft.com/AspNet/SiteMap-File-1.0" > <siteMapNode url="~/Default.aspx" title="Home" description="Home"> <siteMapNode title="Open Pages" description="Open Pages"> <siteMapNode url="~/Open/Login.aspx" title="Login Page" description="Login Page" roles="*"/> <siteMapNode url="~/Open/Close.aspx" title="Thank you for using Valpak Data Solutions Online Reporting" description="Thank you for using Valpak Data Solutions Online Reporting" roles="*"/> </siteMapNode> <siteMapNode title="Logged In Open Pages" description="Logged In Open Pages"> <siteMapNode url="~/Landing.aspx" title="Landing Page" description="Landing Page" roles="*"/> <siteMapNode url="~/ContactUs.aspx" title="Contact Us" description="Contact Us" roles="*"/> </siteMapNode> <siteMapNode title="Restricted Pages" description="Resticted Pages"> <siteMapNode url="~/Restricted/ProductSearch.aspx" title=" Product Search" description=" Product Search" roles="*"/> <siteMapNode url="~/Restricted/ReportOutput.aspx" title="Report Output" description="Report Output" roles="Admin"/> </siteMapNode> </siteMapNode> </siteMap> Webconfig: <roleManager enabled="true" /> <siteMap defaultProvider="XmlSiteMapProvider" enabled="true"> <providers> <add name="XmlSiteMapProvider" description="AugustSiteMap" type="System.Web.XmlSiteMapProvider " siteMapFile="AugustSiteMap.sitemap" securityTrimmingEnabled="true" /> </providers> </siteMap> How can I ensure that when the user is logged in, the appropriate menu items are displayed on the Landing page? Please excuse my ignorance. Still new to all of this and my current method of 'trial and error' has seen me reach suicide levels this morning!

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• showing the breadcrumb trail in the menu

  - by strangeloops

  I have a global menu and local menu for the products. I would like to highlight 'our products' link when I am showing the products and also highlight the name of the product and its subpages in the local menu so the highlighted links will work as the breadcrumbs. How can I do this with jquery and codeigniter or just jquery. Here is the code of the local menu: <ul id="accordion"> <li class="pm"><h2><?php echo anchor('/products/thassos_wonder', 'Thassos Wonder+');?></h2> <ul class="product_menu"> <h2><?php echo anchor('/products/thassos_wonder', 'Thassos Wonder+');?></h2> <h2><?php echo anchor('/products/thassos_wonder_advantages', 'Thassos Wonder+ Advantages');?></h2> <h2><?php echo anchor('products/thassos_wonder_associated_products', 'Associated Products');?></h2> <h2><?php echo anchor('/products/thassos_wonder_brochure', 'Download TW+ Brochure');?></h2> </ul> </li> <li class="pm"><h2><?php echo anchor('/products/marble_wonder', 'Marble Wonder+');?></h2> <ul class="product_menu" id="mwmenu"> <h2><?php echo anchor('/products/marble_wonder', 'Marble Wonder+');?></h2> <h2><?php echo anchor('/products/marble_wonder_advantages', 'Marble Wonder+ Advantages');?></h2> <h2><?php echo anchor('products/marble_wonder_associated_products', 'Associated Products');?></h2> <h2><?php echo anchor('/products/marble_wonder_brochure', 'Download MW+ Brochure');?></h2> </ul> </li> <li class="pm"><h2><?php echo anchor('/products/polybond', 'Poly Bond+');?></h2> <ul class="product_menu" id="pbmenu"> <h2><?php echo anchor('/products/polybond', 'Poly Bond+');?></h2> <h2><?php echo anchor('/products/polybond_advantages', 'PolyBond+ Advantages');?></h2> <h2><?php echo anchor('products/polybond_areas_of_applications', 'Areas of Applications');?></h2> <h2><?php echo anchor('/products/polybond_brochure', 'Download Polybond+ Brochure');?></h2> </ul> </li> Here is the jquery code for the local menu: $(function() { var pathname = location.pathname; var highlight; //highlight home if(pathname == "/"){ highlight = $('ul#accordion > li:first > a:first'); $('a.active').parents('li').addClass('active'); } else { var path = pathname.substring(1); if (path) highlight = $('ul#accordion a[href$="' + path + '"]'); } highlight.attr('class', 'active'); // hide 2nd, 3rd, ... level menus $('ul#accordion ul').hide(); // show child menu on click $('ul#accordion > li > a.product_menu').click(function() { //minor improvement $(this).siblings('ul').toggle("slow"); return false; }); //open to current group (highlighted link) by show all parent ul's $('a.active').parents('ul').show(); //if you only have a 2 level deep navigation you could //use this instead //$('a.selected').parents("ul").eq(0).show(); }); Still learning jquery so type of help would be appreciated. Thanks - G

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• jQuery sequence and function call problem

  - by Jonas

  Hi everyone, I'm very new to jquery and programming in general but I'm still trying to achieve something here. I use Fullcalendar to allow the users of my web application to insert an event in the database. The click on a day, view changes to agendaDay, then on a time of the day, and a dialog popup opens with a form. I am trying to combine validate (pre-jquery.1.4), jquery.form to post the form without page refresh The script calendar.php, included in several pages, defines the fullcalendar object and displays it in a div: $(document).ready(function() { function EventLoad() { $("#addEvent").validate({ rules: { calendar_title: "required", calendar_url: { required: false, maxlength: 100, url: true } }, messages: { calendar_title: "Title required", calendar_url: "Invalid URL format" }, success: function() { $('#addEvent').submit(function() { var options = { success: function() { $('#eventDialog').dialog('close'); $('#calendar').fullCalendar( 'refetchEvents' ); } }; // submit the form $(this).ajaxSubmit(options); // return false to prevent normal browser submit and page navigation return false; }); } }); } $('#calendar').fullCalendar({ header: { left: 'prev,next today', center: 'title', right: 'month,agendaWeek,agendaDay' }, theme: true, firstDay: 1, editable: false, events: "json-events.php?list=1&<?php echo $events_list; ?>", <?php if($_GET['page'] == 'home') echo "defaultView: 'agendaWeek',"; ?> eventClick: function(event) { if (event.url) { window.open(event.url); return false; } }, dayClick: function(date, allDay, jsEvent, view) { if (view.name == 'month') { $('#calendar').fullCalendar( 'changeView', 'agendaDay').fullCalendar( 'gotoDate', date ); }else{ if(allDay) { var timeStamp = $.fullCalendar.formatDate( date, 'dddd+dd+MMMM_u'); var $eventDialog = $('<div/>').load("json-events.php?<?php echo $events_list; ?>&new=1&all_day=1&timestamp=" + timeStamp, null, EventLoad).dialog({autoOpen:false,draggable: false, width: 675, modal:true, position:['center',202], resizable: false, title:'Add an Event'}); $eventDialog.dialog('open').attr('id','eventDialog'); } else { var timeStamp = $.fullCalendar.formatDate( date, 'dddd+dd+MMMM_u'); var $eventDialog = $('<div/>').load("json-events.php?<?php echo $events_list; ?>&new=1&all_day=0&timestamp=" + timeStamp, null, EventLoad).dialog({autoOpen:false,draggable: false, width: 675, modal:true, position:['center',202], resizable: false, title:'Add an Event'}); $eventDialog.dialog('open').attr('id','eventDialog');; } } } }); }); The script json-events.php contains the form and also the code to process the data from the submitted form. What happens when I test the whole thing: - first user click on a day, then time of day. Popup opens with time and date indicated on the form. When user submits the form, dialog closes and calendar refreshes its events.... and the event added by the user appears several times (from 4 to up to 11 times!). The form has been processed several times by the receiving php script?! - second user click, the popup opens, user submit empty form. Form is submitted (validate function not triggered) and user redirected to empty page json-events.php (ajaxForm not triggered either) Obviously, my code is wrong (and dirty as well, sorry). Why is the submitted form, submitted several time to receiving script and why is the javascript function EventLoad triggered only once ? Thank you very much for you help. This problem is killing me !

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• ASP.net roles and Projects

  - by Zyphrax

  EDIT - Rewrote my original question to give a bit more information Background info At my work I'm working on a ASP.Net web application for our customers. In our implementation we use technologies like Forms authentication with MembershipProviders and RoleProviders. All went well until I ran into some difficulties with configuring the roles, because the roles aren't system-wide, but related to the customer accounts and projects. I can't name our exact setup/formula, because I think our company wouldn't approve that... What's a customer / project? Our company provides management information for our customers on a yearly (or other interval) basis. In our systems a customer/contract consists of: one Account: information about the Company per Account, one or more Products: the bundle of management information we'll provide per Product, one or more Measurements: a period of time, in which we gather and report the data Extranet site setup Eventually we want all customers to be able to access their management information with our online system. The extranet consists of two sites: Company site: provides an overview of Account information and the Products Measurement site: after selecting a Measurement, detailed information on that period of time The measurement site is the most interesting part of the extranet. We will create submodules for new overviews, reports, managing and maintaining resources that are important for the research. Our Visual Studio solution consists of a number of projects. One web application named Portal for the basis. The sites and modules are virtual directories within that application (makes it easier to share MasterPages among things). What kind of roles? The following users (read: roles) will be using the system: Admins: development users :) (not customer related, full access) Employees: employees of our company (not customer related, full access) Customer SuperUser: top level managers (full access to their account/measurement) Customer ContactPerson: primary contact (full access to their measurement(s)) Customer Manager: a department manager (limited access, specific data of a measurement) What about ASP.Net users? The system will have many ASP.Net users, let's focus on the customer users: Users are not shared between Accounts SuperUser X automatically has access to all (and new) measurements User Y could be Primary contact for Measurement 1, but have no role for Measurement 2 User Y could be Primary contact for Measurement 1, but have a Manager role for Measurement 2 The department managers are many individual users (per Measurement), if Manager Z had a login for Measurement 1, we would like to use that login again if he participates in Measurement 2. URL structure These are typical urls in our application: http://host/login - the login screen http://host/project - the account/product overview screen (measurement selection) http://host/project/1000 - measurement (id:1000) details http://host/project/1000/planning - planning overview (for primary contact/superuser) http://host/project/1000/reports - report downloads (manager department X can only access report X) We will also create a document url, where you can request a specific document by it's GUID. The system will have to check if the user has rights to the document. The document is related to a Measurement, the User or specific roles have specific rights to the document. What's the problem? (finally ;)) Roles aren't enough to determine what a user is allowed to see/access/download a specific item. It's not enough to say that a certain navigation item is accessible to Managers. When the user requests Measurement 1000, we have to check that the user not only has a Manager role, but a Manager role for Measurement 1000. Summarized: How can we limit users to their accounts/measurements? (remember superusers see all measurements, some managers only specific measurements) How can we apply roles at a product/measurement level? (user X could be primarycontact for measurement 1, but just a manager for measurement 2) How can we limit manager access to the reports screen and only to their department's reports? All with the magic of asp.net classes, perhaps with a custom roleprovider implementation. Similar Stackoverflow question/problem http://stackoverflow.com/questions/1367483/asp-net-how-to-manage-users-with-different-types-of-roles

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