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  • How can I create a custom UIToolbar like component in a UITableViewController?

    - by Tony
    I have a UITableViewController. I want a "toolbar-ish" component at the bottom. I started by using a background image and a button. In interface builder, I added them to the bottom of the iPhone screen. The problem I ran into was that the background image and button scrolled with the table. I obviously need this fixed at the bottom. Not finding too much direction online, I decided to customize a UIToolbar to look how I want since the position is fixed by default. In my initWithNibName for my UITableViewController, I have: UIImage *shuffleButtonImage = [UIImage imageNamed:@"shuffle_button.png"]; NSArray* toolbarItems = [NSArray arrayWithObjects: [[UIBarButtonItem alloc] initWithImage:shuffleButtonImage style:UIBarButtonItemStylePlain target:self action:@selector(push:)], nil]; [toolbarItems makeObjectsPerformSelector:@selector(release)]; self.toolbarItems = toolbarItems; The problem I am running into now is that the "shuffleButtonImage" is not showing up properly. The shape of the button shows up fine but it is colored white and therefore does not look like the image. Does anyone know why a "white image" would be showing instead of the actual image? Also does it sound like a good idea to customize a UIToolbar or is there a simple way to ensure a fixed position "toolbar-ish" component. To reiterate - my "toolbar-ish" component only needs to be one button at the button of my UITableView. The single button has a gradient color background that I create with an image.

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  • Stanford iPhone dev Paparazzi 1 setup help

    - by cksubs
    Hi, I'm having trouble using a tab bar control. Basically, when I build and run I'm just getting the blank white default "Window" screen. I was following this guide: http://www.iphoneosdevcafe.com/2010/03/assignment-4-part-1/#comment-36 Drag a Tab Bar Controller from the Library to MainWindow.xib. Control drag from the App Delegate to the Tab Bar Controller. Drag a Navigation Controller from the Library to MainWindow.xib. Control drag from the App Delegate to the Navigation Controller. Drag a second Navigation Controller from the Library to MainWindow.xib. Control drag from the App Delegate to the Navigation Controller. This completes all the connections between the App Delegate and the tab bar and two navigation controllers. By using IB to set up the tab bar and navigation controllers in this way, you need not allocate and init the controllers in AppDelegate.m. When you build and run this, you will see the tab bar controller and two navigation controllers. Is there a step there that he missed? How do I hook the Tab Bar Controller up to the Window? EDIT: Do I need to do something like this? mainTabBar = [[UITabBarController alloc] init]; [window addSubview:mainTabBar.view]; That's still not working, but I feel like I'm on the right track? Why can't this all be done from Interface Builder?

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  • Android layout issue - relative widths

    - by cdonner
    I am trying to assign relative widths to columns in a ListView that is in a TabHost, using layout_weight as suggested here: <?xml version="1.0" encoding="utf-8"?> <TabHost xmlns:android="http://schemas.android.com/apk/res/android" android:id="@android:id/tabhost" android:layout_width="fill_parent" android:layout_height="fill_parent"> <LinearLayout android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent"> <TabWidget android:id="@android:id/tabs" android:layout_width="fill_parent" android:layout_height="wrap_content"/> <FrameLayout android:id="@android:id/tabcontent" android:layout_width="fill_parent" android:layout_height="fill_parent"> <TableLayout android:id="@+id/triplist" android:layout_width="fill_parent" android:layout_height="wrap_content" android:paddingTop="4px"> <TableRow> <ListView android:id="@+id/triplistview" android:layout_width="fill_parent" android:layout_height="wrap_content"/> </TableRow> <TableRow> <Button android:id="@+id/newtripbutton" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Add Trip"/> </TableRow> [other tabs ...] My row definition has 4 columns that I would like to size as follows: <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="wrap_content" android:orientation="horizontal" android:weightSum="1.0" android:padding="4px"> <TextView android:id="@+id/rowtripdate" android:layout_weight=".2" android:layout_width="0dip" android:layout_height="wrap_content" android:inputType="date"/> <TextView android:id="@+id/rowodostart" android:layout_weight=".2" android:layout_width="0dip" android:layout_height="wrap_content"/> <TextView android:id="@+id/rowodoend" android:layout_weight=".2" android:layout_width="0dip" android:layout_height="wrap_content"/> <TextView android:id="@+id/rowcomment" android:layout_weight=".4" android:layout_width="0dip" android:layout_height="wrap_content"> Unfortunately, it seems to want to fit all the column into the space that the button occupies, as opposed to the width of the screen. Or maybe there is another constraint that I do not understand. I'd appreciate your help.

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  • How can I line up WPF items in a Horizontal WrapPanel so they line up based on an arbitrary vertical

    - by Scott Whitlock
    I'm trying to create a View in WPF and having a hard time figuring out how to set it up. Here's what I'm trying to build: My ViewModel exposes an IEnumerable property called Items Each item is an event on a timeline, and each one implements ITimelineItem The ViewModel for each item has it's own DataTemplate to to display it I want to display all the items on the timeline connected by a line. I'm thinking a WrapPanel inside of a ListView would work well for this. However, the height of each item will vary depending on the information it displays. Some items will have graphic objects right on the line (like a circle or a diamond, or whatever), and some have annotations above or below the line. So it seems complicated to me. It seems that each item on the timeline has to render its own segment of the line. That's fine. But the distance between the top of the item to the line (and the bottom of the item to the line) could vary. If one item has the line 50 px down from the top and the next item has the line 100 px down from the top, then the first item needs 50 px of padding so that the line segments add up. I think I could solve that problem, however, we only need to add padding if these two items are on the same line in the WrapPanel! Let's say there are 5 items and only room on the screen for 3 across... the WrapPanel will put the other two on the next line. That's ok, but that means only the first 3 need to pad together, and the last 2 need to pad together. This is what's giving me a headache. Is there another approach I could look at?

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  • Validate MVC 2 form using Data annotations and Linq-to-SQL, before the model binder kicks in (with D

    - by Stefanvds
    I'm using linq to SQL and MVC2 with data annotations and I'm having some problems on validation of some types. For example: [DisplayName("Geplande sessies")] [PositiefGeheelGetal(ErrorMessage = "Ongeldige ingave. Positief geheel getal verwacht")] public string Proj_GeplandeSessies { get; set; } This is an integer, and I'm validating to get a positive number from the form. public class PositiefGeheelGetalAttribute : RegularExpressionAttribute { public PositiefGeheelGetalAttribute() : base(@"\d{1,7}") { } } Now the problem is that when I write text in the input, I don't get to see THIS error, but I get the errormessage from the modelbinder saying "The value 'Tomorrow' is not valid for Geplande sessies." The code in the controller: [HttpPost] public ActionResult Create(Projecten p) { if (ModelState.IsValid) { _db.Projectens.InsertOnSubmit(p); _db.SubmitChanges(); return RedirectToAction("Index"); } else { SelectList s = new SelectList(_db.Verbonds, "Verb_ID", "Verb_Naam"); ViewData["Verbonden"] = s; } return View(); } What I want is being able to run the Data Annotations before the Model binder, but that sounds pretty much impossible. What I really want is that my self-written error messages show up on the screen. I have the same problem with a DateTime, which i want the users to write in the specific form 'dd/MM/yyyy' and i have a regex for that. but again, by the time the data-annotations do their job, all i get is a DateTime Object, and not the original string. So if the input is not a date, the regex does not even run, cos the data annotations just get a null, cos the model binder couldn't make it to a DateTime. Does anyone have an idea how to make this work?

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  • Batch program not running correctly in Windows 7

    - by Jennifer Heidelberger
    I am currently trying to figure out how to get a batch file to run correctly in Windows 7. I have looked on the Internet and have not had much success in finding any useful information on the issue I am encountering. BATCH FILE – The batch file is to open a window to allow students to test on a TDSM server created by ETS eCBT – The test is a CLEP Exam. The batch file is to open the workstation for students to use and it looks like it loads but the Welcome/Login Screen never appears as it should. WSK_LOAD.BAT @echo off rem-------------------------------------------------------------------- rem !!! DO NOT REMOVE OR MODIFY THIS FILE !!! rem !!! THIS FILE IS USED BY THE eCBT SYSTEM !!! rem-------------------------------------------------------------------- SET ECBT_DEFAULT_SERVER_NAME=WR-TESTING1 SET ECBT_BATCH_HOME=C:\ETSBATCH SET ECBT_HOME=\\WR-TESTING1\tdms set ECBT_LOGFILE=%ECBT_BATCH_HOME%\wsk.log SET ECBT_CLIENT_VERSION=4.0 rem---------------------------------------------------------------------- if exist %ECBT_HOME%\client\bin\wks.bat goto avail echo Cannot access %ECBT_HOME%! echo Attempting to open the share … echo If you see the share window, please close it to proceed … rem------------------------------------------------------------------------ :avail %ECBT_HOME%\client\bin\wks.bat I have tried everything I can think of: Run as Administrator, Moved files to run from the HD, made sure all files and folders associated with the program were shared with users and computers, had Windows 7 run compatibility which says it does not contain an .exe file to run, and re-wrote the file. I know it is connecting to the TDMS server as I can see it on the server. The only thing it does not do is bring up the window which is necessary to login to the testing server. The window opens like it should but does not produce the login boxes. Any and all help is appreciated, Jennifer

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  • Can AutoIt scripts run as a scheduled task while not logged in?

    - by muddywater
    I am using Ruby/WATIR/AutoIt to automate a task via Task Scheduler which runs fine as long as I am logged in, but as soon as my account is locked (mandated 10 minute screen lock) or I logout the script stops functioning. When I log back in, it is sitting at the part where AutoIt is supposed to handle a file download dialogue by clicking save and then entering the filename and clicking to save again. The follwing is the code that works while I am logged in. Is AutoIt supposed to work when I am not logged in, and is there some other way to accomplish this? Thanks!! because search has not turned up anything (terms are too generic) prompt_message = "Do you want to save this file, or find a program online to open it?" window_title = "File Download" save_dialog = WIN32OLE.new("AutoItX3.Control") sleep 1 save_dialog_obtained = save_dialog.WinWaitActive(window_title,prompt_message, 25) save_dialog.ControlFocus(window_title, prompt_message, "&Save") sleep 1 save_dialog.Send("S") save_dialog.ControlClick(window_title, prompt_message, "&Save") save_dialog.WinSetTitle(window_title, prompt_message, "This is ForTesting" ) saveas_dialog_obtained = save_dialog.WinWait("Save As", "Save&in", 5) sleep 1 path = fileName puts " Edit the file path" save_dialog.ControlSend("Save As", "", "Edit1",path) sleep 4 puts " Save the file" save_dialog.ControlClick("Save As", "Save &in", "&Save") save_fileAlreadyExists = save_dialog.Send("Y")

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  • iPhone SDK : UIImageView - Collapsing animation

    - by chris.o.
    Hi All, I'm trying to animating across the screen a horizontal bar with a color gradient. For simplicity, I chose to make a png of the fully extended bar, assign it to a UIImageView, and (attempt to) animate resizing of it using a UIView animation. The problem is that in the "closed" state of the Image, the portion of the image showing is not the part that I want. The image is arranged so that from L to R, a white to red color gradient occurs. The right side (about 20 pixels) is solid red and is the part I want to show when the bar is "collapsed". I'm trying to extend the image out by about 100 pixels to its full width. I referenced the "Buy Now" button example for my code as it seemed relevant" http://stackoverflow.com/questions/1669804/uibutton-appstore-buy-button-animation My code: [UIView beginAnimations:@"barAnimation" context:nil]; [UIView setAnimationDuration:0.6]; CGRect barFrame = bookBar.bounds; if (fExtendBar) { barFrame.origin.x -= 100; barFrame.size.width += 100; } else { barFrame.origin.x += 100; barFrame.size.width -= 100; } bookBar.frame = barFrame; [UIView commitAnimations]; I feel like this should be possible, maybe by setting an "offsetOfImage" to display in the UIImageView, but I can't seem to make it work. Also, I've noticed that the behavior is kind of consistent with what happens in Interface Builder when you resize an image. Then again, I would think there would be a way to override this behavior programmatically. Any suggestions (including other approaches) are welcome. Thanks, chris.o.

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  • monitoring iphone 3g/wifi bandswitch

    - by user262325
    Hello everyone I hope add the function to monitor iphone used 3g/wifi band switch. I know I can do these in my app, but I wonder if there is way to monitor all band switch usage of iPhone? I noticed that there is an app http://itunes.apple.com/ca/app/download-meter-for-wi-fi-gprs/id327227530?mt=8 It claims: Works with any carrier (iPods are supported too!). Requires no login/password to your carrier's site. Does not require Internet connection to get traffic usage statistics (works even in Airplane mode) because it gets information on traffic from the device, not a carrier; this means it won't cost you anything to view current traffic consumed, even while roaming in a location where traffic is very expensive. Allows the user to adjust consumed traffic for today or the current month to match traffic amounts reported by your carrier. Stats on the screen are updated every second. Measures traffic in real time with up to byte precision. Separates traffic into incoming and outgoing, Wi-Fi traffic and mobile Internet traffic. It looks like it gets the band switch info from carrier site, but they also said it gets info from device. I am really confused. Welcome any comment. Thanks interdev

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  • iPhone Safari does not auto scale back down on portrait->landscape->portrait

    - by Tom
    Hi, I have a very simple HTML page with this META tag for the iPhone: <meta name="viewport" content="height=device-height,width=device-width,initial-scale=1.0,user-scalable=no" /> When the page loads in portrait mode it looks fine and the width fits the screen. When I rotate the iPhone to landscape mode the web page is auto resized to fit the landscape width. Good, this is what I want. But when I rotate back to landscape, the page is not resized back to fit the portrait width like it was before. It remains in the landscape width. I want the iPhone to set it back to the right width automatically, just like it did for the landscape mode. I don't think this should involve orientation listeners because it is all done automatically and I don't have any special styling for the different modes. Why doesn't the iPhone resize the web page back in portrait mode? How do I fix this? Thanks! Tom.

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  • Unable to login using OpenID for google apps using vanity URL

    - by GeekTantra
    Unable to login using OpenID for google apps using vanity URL I keep getting the following error whenever I use ajatus.co.in/openid as the openid url: The Allow Access screen appears but followed by this error Unable to log in with your OpenID provider: The OpenID Provider issued an assertion for an Identifier whose discovery information did not match. Assertion endpoint info: ClaimedIdentifier: http://ajatus.co.in/openid?id=1134xxxxxxxxxxxxxxx39 ProviderLocalIdentifier: http://ajatus.co.in/openid?id=1134xxxxxxxxxxxxxxx39 ProviderEndpoint: https://www.google.com/a/ajatus.co.in/o8/ud?be=o8 OpenID version: 2.0 Service Type URIs: Discovered endpoint info: [{ ClaimedIdentifier: http://specs.openid.net/auth/2.0/identifier_select ProviderLocalIdentifier: http://specs.openid.net/auth/2.0/identifier_select ProviderEndpoint: https://www.google.com/a/ajatus.co.in/o8/ud?be=o8 OpenID version: 2.0 Service Type URIs: http://specs.openid.net/auth/2.0/server },] Contents of ajatus.co.in/openid <?xml version="1.0" encoding="UTF-8"?> <xrds:XRDS xmlns:xrds="xri://$xrds" xmlns="xri://$xrd*($v*2.0)"> <XRD> <Service priority="0"> <Type>http://specs.openid.net/auth/2.0/signon</Type> <URI>https://www.google.com/a/ajatus.co.in/o8/ud?be=o8</URI> </Service> <Service priority="0"> <Type>http://specs.openid.net/auth/2.0/server</Type> <URI>https://www.google.com/a/ajatus.co.in/o8/ud?be=o8</URI> </Service> </XRD> </xrds:XRDS> contents of ajatus.co.in/.well-known/host-meta is Link: <https://www.google.com/accounts/o8/site-xrds?hd=ajatus.co.in>; rel="describedby http://reltype.google.com/openid/xrd-op"; type="application/xrds+xml"

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  • Draw to offscreen renderbuffer in OpenGL ES (iPhone)

    - by David Ensminger
    I'm trying to create an offscreen render buffer in OpenGL ES on the iPhone. I've created the buffer like this: glGenFramebuffersOES(1, &offscreenFramebuffer); glBindFramebufferOES(GL_FRAMEBUFFER_OES, offscreenFramebuffer); glGenRenderbuffersOES(1, &offscreenRenderbuffer); glBindRenderbufferOES(GL_RENDERBUFFER_OES, offscreenRenderbuffer); glFramebufferRenderbufferOES(GL_FRAMEBUFFER_OES, GL_COLOR_ATTACHMENT0_OES, GL_RENDERBUFFER_OES, offscreenRenderbuffer); But I'm confused on how to render the storage. Apple's documentation says to use the EAGLContext renderBufferStorage:fromDrawable: method, but this seems to only work for one render buffer (the main one being displayed). If I use the normal OpenGL function glRenderBufferStorageOES, then I can't seem to get it to display. Here's the code: // this is in the initialization section: glRenderbufferStorageOES(GL_RENDERBUFFER_OES, GL_RGB8_OES, backingWidth, backingHeight); // and this is when I'm trying to draw to it and display it: glBindFramebufferOES(GL_FRAMEBUFFER_OES, offscreenFramebuffer); GLfloat vc[] = { 0.0f, 0.0f, 0.0f, 10.0f, 10.0f, 10.0f, 0.0f, 0.0f, 0.0f, -10.0f, -10.0f, -10.0f, }; glLoadIdentity(); glEnableClientState(GL_VERTEX_ARRAY); glVertexPointer(3, GL_FLOAT, 0, vc); glDrawArrays(GL_LINES, 0, 4); glDisableClientState(GL_VERTEX_ARRAY); glBindRenderbufferOES(GL_RENDERBUFFER_OES, offscreenRenderbuffer); [context presentRenderbuffer:GL_RENDERBUFFER_OES]; Doing it this way, nothing is displayed on the screen. However, if I switch out the references to "offscreen...Buffer" to the buffers that were created with the renderBufferStorage method, it works fine. Any suggestions?

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  • Access denied when trying to read information about SharePoint groups

    - by strongopinions
    I am trying to get the membership of a group in WSS 3.0. I am doing this in an elevated permissions block. Here is the code: SPSecurity.RunWithElevatedPrivileges(delegate() { using (SPSite site = new SPSite(SPContext.Current.Site.ID)) { using (SPWeb rootWeb = site.RootWeb) { SPGroup gAdmins = rootWeb.SiteGroups["Admins"]; } } }); I get taken to the "access denied" SharePoint screen when I run this code. The group exists. The identity of the application pool for the web application is in the dbo role in the content database. The code works on my development server, but not on another server, which leads me to believe there is something wrong with the permissions or configuration on this server, maybe something in dcomcnfg? Here are some lines from the SharePoint log that seem to be related: PermissionMask check failed. asking for 0x08000000, have 0x00000000 Unknown SPRequest error occurred. More information: 0x80070005 Access Denied for /Pages/UserAdmin.aspx. StackTrace: Microsoft.SharePoint.Utilities.SPUtility:Void HandleAccessDenied(System.Exception), Microsoft.SharePoint.SPGlobal:Void HandleUnauthorizedAccessException(System.UnauthorizedAccessException), .... [UserAdmin.aspx hosts my custom web part containing the code]

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  • On Windows, how does console window ownership work?

    - by shroudednight
    When a console application is started from another console application, how does console ownership work? I see four possibilities: The second application inherits the console from the first application for its lifetime, with the console returning to the original owner on exit. Each application has its own console. Windows then somehow merges the content of the two into what the "console" visible to the user The second application get a handle to the console that belongs to the first application. The console is placed into shared memory and both applications have equal "ownership" It's quite possible that I missed something and none of these four options adequately describe what Windows does with its consoles. If the answer is close to option 4. My follow-up question is which of the two processes is responsible for managing the window? (Handling graphical updates when the screen needs to be refreshed / redrawn, etc) A concrete example: Run CMD. Then, using CMD, run [console application]. The [console application] will write to what appears to be the same console window that CMD was using.

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  • ProgrammingError when aggregating over an annotated & grouped Django ORM query

    - by ento
    I'm trying to construct a query to get the "average, maximum, minimum number of items purchased by a single user". The data source is this simple sales record table: class SalesRecord(models.Model): id = models.IntegerField(primary_key=True) user_id = models.IntegerField() product_code = models.CharField() price = models.IntegerField() created_at = models.DateTimeField() A new record is inserted into this table for every item purchased by a user. Here's my attempt at building the query: q = SalesRecord.objects.all() q = q.values('user_id').annotate( # group by user and count the # of records count=Count('id'), # (= # of items) ).order_by() result = q.aggregate(Max('count'), Min('count'), Avg('count')) When I try to execute the code, a ProgrammingError is raised at the last line: (1064, "You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'FROM (SELECT sales_records.user_id AS user_id, COUNT(sales_records.`' at line 1") Django's error screen shows that the SQL is SELECT FROM (SELECT `sales_records`.`player_id` AS `player_id`, COUNT(`sales_records`.`id`) AS `count` FROM `sales_records` WHERE (`sales_records`.`created_at` >= %s AND `sales_records`.`created_at` <= %s ) GROUP BY `sales_records`.`player_id` ORDER BY NULL) subquery It's not selecting anything! Can someone please show me the right way to do this? Hacking Django I've found that clearing the cache of selected fields in django.db.models.sql.BaseQuery.get_aggregation() seems to solve the problem. Though I'm not really sure this is a fix or a workaround. @@ -327,10 +327,13 @@ # Remove any aggregates marked for reduction from the subquery # and move them to the outer AggregateQuery. + self._aggregate_select_cache = None + self.aggregate_select_mask = None for alias, aggregate in self.aggregate_select.items(): if aggregate.is_summary: query.aggregate_select[alias] = aggregate - del obj.aggregate_select[alias] + if alias in obj.aggregate_select: + del obj.aggregate_select[alias] ... yields result: {'count__max': 267, 'count__avg': 26.2563, 'count__min': 1}

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  • Perl Curses::UI

    - by user353211
    I am trying to use the library Curses:UI from http://search.cpan.org/dist/Curses-UI/ to build a UI on linux karmic. I can create a simple user interface e.g.: #!usr/usr/bin/perl use strict; use Curses; use Curses::UI; $ui = new Curses::UI(-color_support=1,-clear_on_exit=1,-intellidraw=1); my $window = $ui-add('window', 'Window',intellidraw=1); my $message = $window-add(-text="Hello!",-intellidraw=1); $window-focus(); $ui-mainloop(); Question: I need some way to communicate informatio to the UI i.e. I have a loop which will wait for message to come and change the text in window. Once this message comes a popup will be displayed. Attempt: my $ui = new Curses::UI(-color_support=1,-clear_on_exit=1,-intellidraw=1); my $window = $ui-add('window', 'Window',intellidraw=1); my $message = $window-add(-text="Hello!",-intellidraw=1); pseudocode while(true) #implemented a function to wait { popup($window-text("Hello how are you?")); } $window-focus(); $ui-mainloop(); Problem: The above does not work. I am given a dark screen where my message is displayed. I have read the documentation and when I relocate : $ui-mainloop() above the while loop I am given the user interface but now nothing communicates to the window. Coincise Question: I need some way of displaying the user interface wait for inputs and display messages. Could anyone please help me on this? Thank you!

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  • open flash chart rails x-axis issue

    - by Jimmy
    Hey guys, I am using open flash chart 2 in my rails application. Everything is looking smooth except for the range on my x axis. I am creating a line to represent cell phone plan cost over a specific amount of usage and I'm generate 8 values, 1-5 are below the allowed usage while 6-8 are demonstrations of the cost for usage over the limit. The problem I'm encountering is how to set the range of the X axis in ruby on rails to something specific to the data. Right now the values being displayed are the indexes of the array that I'm giving. When I try to hand a hash to the values the chart doesn't even load at all. So basically I need help getting a way to set the data for my line properly so that it displays correctly, right now it is treating every value as if it represents the x value of the index of the array. Here is a screen shot which may be a better description than what I am saying: http://i163.photobucket.com/albums/t286/Xeno56/Screenshot.png Note that those values are correct just the range on the x-axis is incorrect, it should be something like 100, 200, 300, 400, 500, 600, 700 Code: y = YAxis.new y.set_range(0,100, 20) x_legend = XLegend.new("Usage") x_legend.set_style('{font-size: 20px; color: #778877}') y_legend = YLegend.new("Cost") y_legend.set_style('{font-size: 20px; color: #770077}') chart =OpenFlashChart.new chart.set_x_legend(x_legend) chart.set_y_legend(y_legend) chart.y_axis = y line = Line.new line.text = plan.name line.width = 2 line.color = '#006633' line.dot_size = 2 line.values = generate_data(plan) chart.add_element(line) def generate_data(plan) values = [] #generate below threshold numbers 5.times do |x| usage = plan.usage / 5 * x cost = plan.cost * 10 values << cost end #generate above threshold numbers 3.times do |x| usage = plan.usage + ((plan.usage / 5) * x) cost = plan.cost + (usage * plan.overage) values << cost end return values end

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  • Custom HTTPHandler causing caching or session issues?

    - by Jan de Jager
    So i have a custom CMS running under .Net 3.5 written entirely in c#. The engine is optimized to render for mobile devices, but also server to normal web browsers. It also supports cookieless sessions. Great... I've chosen not to cache anything (including browser data) in order to control the rendering completely from data. This has been all good until lately. The engine implements a basic login function that simply logs the user state within a session object. The behavior is rather strange. User will click through the site no problem. Then login. The login will either go through successfully or just redisplay the login screen, suggesting a cached page being returned or redisplayed... If the login is successful the concurrent page hits will switch arbitrarily between logged in and logged out state... Also suggesting either the session state is not accessible or a cached page being returned. I have debugged the hell out of the thing.... including using fiddler and the like. When debugging the behavior disappears. Huh? One of the sites running on the engine is http://www.wiseguy.mobi (sorry customized for South Africa, so you'll probably not be able to get the password Text Message)!

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  • jQuery draggable + droppable: how to snap dropped element to dropped-on element

    - by 10goto10
    I have my screen divided into two DIVs. In the left DIV I have a few 50x50 pixel DIVs, in the right DIV I have an empty grid made of 80x80 LIs. The DIVs on the left are draggable, and once dropped on a LI, they should snap to center of that LI. Sounds simple, right? I just don't know how to get this done. I tried by manipulating the dropped DIV's top and left CSS properties to match those of the LI they're dropped into, but the left and top properties are relative to the left DIV. How can I best have the dropped element snap to the center of the element it's dropped into? That's gotta be simple, right? Edit: I'm using jQuery UI 1.7.2 with jQuery 1.3.2. Edit 2: For whoever else has this problem, this is how I fixed it: I used Keith's solution of removing the dragged element and placing it inside the dropped-on element in the drop callback of the droppable plugin: function gallerySnap(droppedOn, droppedElement) { $(droppedOn).html('<div class="drop_styles">'+$(droppedElement).html()+'</div>' ); $(droppedElement).remove(); } I don't the dropped element to be draggable again, but if you do, just bind draggable to it again. For me this method also solved the problem I had when positioning the dropped elements (which would be relative to the left DIV) and scrolling inside the second DIV. (Elements would remain fixed on page, now they scroll along). I did play with the snap options to make it look good while dragging, so thanks to karim79 for that suggestion. I probably won't win any Awesome Code prizes with this, so if you see room for improvement, please share!

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  • How to allow tap-to-focus on the camera using an overlay

    - by AJJ
    The standard 3GS iPhone camera includes tap-to-focus (I can tap to the region I want to focus on). However when I use a custom overlay using the UIImagePickerController class, the tap to focus does not seem to work. Everything else in terms of capturing images programmatically etc is working btw. Note that my overlay view is only a small rectangle (UIView) at the bottom of the screen. It does not cover the other areas of the camera. So I believe the taps should go through (unless I am missing something). I have seen other apps use an overlay and still provide a tap-to-focus functionality, so there must be a way to do this. I use all the default controls set to be hidden as: imagePicker.showsCameraControls = NO; imagePicker.toolbarHidden = YES; imagePicker.navigationBarHidden = YES; Of course changing the above does not let me tap-to-focus (it just enables the toolbars, etc). I could not find any answers on the UIImagePickerController class reference. Any help would be greatly appreciated. Thanks!

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  • Problem with TextViews running into each other in RelativeLayout

    - by Janusz
    I have a problem with two Textviews on the same height in a RelativeLayout running into each other. I use the following Layout. <?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent"> <ImageView android:id="@+id/logo" android:layout_width="wrap_content" android:layout_height="wrap_content" android:adjustViewBounds="true" android:scaleType="centerInside" android:src="@drawable/icon" /> <TextView android:id="@+id/name" android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="NameNameNameNameNameNameName" android:layout_alignParentTop="true" android:layout_toRightOf="@id/logo" android:gravity="clip_horizontal" android:lines="1" /> <TextView android:id="@+id/information" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="information" android:layout_alignParentRight="true" android:layout_alignParentTop="true" /> <TextView android:id="@+id/nrcoupons" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Number" android:layout_alignRight="@id/information" android:layout_alignBottom="@id/logo" /> <TextView android:id="@+id/subcategory" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Subcategory" android:layout_alignLeft="@id/name" android:layout_alignBottom="@id/logo" /> </RelativeLayout> This gives me this view: Everything is as I need it except the two textviews name and information are displayed on the same screen space with the one on top of the other. How can I avoid this?

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  • What was Tim Sweeney thinking? (How does this C++ parser work?)

    - by Frank Krueger
    Tim Sweeney of Epic MegaGames is the lead developer for Unreal and a programming language geek. Many years ago posted the following screen shot to VoodooExtreme: As a C++ programmer and Sweeney fan, I was captivated by this. It shows generic C++ code that implements some kind of scripting language where that language itself seems to be generic in the sense that it can define its own grammar. Mr. Sweeney never explained himself. :-) It's rare to see this level of template programming, but you do see it from time to time when people want to push the compiler to generate great code or because they want to create generic code (for example, Modern C++ Design). Tim seems to be using it to create a grammar in Parser.cpp - you can see what look like prioritized binary operators. If that is the case, then why does Test.ae look like it's also defining a grammar? Obviously this is a puzzle that needs to be solved. Victory goes to the answer with a working version of this code, or the most plausible explanation, or to Tim Sweeney himself if he posts an answer. :-)

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  • sIfr (3.436) and IE8 - My h1 and h2 are flickering

    - by André
    I am using sIfr (3.436) for my H1 and H2 tags. In IE8 the text flickers and jumps around alot. See example: http://www.addenergy.no/drilling-production/category352.html I have tried various font-tuning as explained at Wiki.Novemberborn, but can't get a good result. Any help to lead in the right direction is appreciated! The sifr-config.js looks like this (h1/h2 is basically the same): sIFR.fitExactly = true; sIFR.fixWrap = true; sIFR.forceWidth = true; sIFR.replace(fedraSerif, { selector: '#placeholder-top h1', css: '.sIFR-root { background-color: #FFFFFF; color: #000000; }', ratios: [8, (...), 1.26] }); And sifr.css (bottom): @media screen { .sIFR-active #placeholder-top h1 { visibility: hidden; font-family: Verdana; font-size:2.5em; line-height:40px; } .sIFR-active #placeholder-top h2 { visibility: hidden; font-family: Verdana; font-size:2em; line-height:30px; } } My style.css (general for the site has): html, body { font-family: Verdana, Arial, Sans-serif; margin: 0; padding: 0; color: #333; background: #cccccc url('images/background.gif') repeat-y top center; } h1 { font-size: 35px; line-height: 40px; } #placeholder-top h1 { margin: 20px 120px 10px 5px; font-size:2.5em; display:block; line-height: 40px; } h2 { line-height: 30px; color: #009bdb; } #placeholder-top h2 { margin: 0px 120px 20px 5px; font-size:2em; display:block; line-height: 30px; }

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  • UiModeManager - NightMode (FroYo)

    - by Kaloer
    Hi there, I have been trying to turn off the buttons' light in my application using the UiModeManager's nightmode function. The default Desk Clock application (Nexus One) turns off the buttons' light when it is dimmed, and I want to do this as well. I've tried using the following code: UiModeManager mgr = (UiModeManager) getSystemService(UI_MODE_SERVICE); mgr.setNightMode(UiModeManager.MODE_NIGHT_YES); The UiModeManager.setNightMode(int mode) documentation says this: Sets the night mode. Changes to the night mode are only effective when the car or desk mode is enabled on a device. Does that mean that the device has to be physically in a desk dock? I can set the device to car mode using the UiModeManager.enableCarMode(int flags) method. This works fine, but it doesn't turn off the lights, it only dims the screen's backlight. Is there a way to set the device into desk mode without using a physical desk dock? As the FroYo source code is not yet released, I cannot look at the build-in Desk Clock application. Thanks in advantage.

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  • Best way for a remote web app to authenticate users in my current web app?

    - by jklp
    So a bit of background, I'm working on an existing web application which has a set of users, who are able to log in via a traditional login screen with a user name and password, etc. Recently we've managed to score a client (who have their own Intranet site), who are wanting to be able to have their users log into their Intranet site, and then have their users click a link on their Intranet which redirects to our application and logs them into it automatically. I've had two suggestions on how to implement this so far: Create a URL which takes 2 parameters (which are "username" and "password") and have the Intranet site pass those parameters to us (our connection is via TLS so it's all encrypted). This would work fine, but it seems a little "hacky", and also means that the logins and passwords have to be the same on both systems (and having to write some kind of web service which can update the passwords for users - which also seems a bit insecure) Provide a token to the Intranet, so when the client clicks on a link on the Intranet, it sends the token to us, along with the user name (and no password) which means they're authenticated. Again, this sounds a bit hacky as isn't that essentially the same as providing everyone with the same password to log in? So to summarise, I'm after the following things: A way for the users who are already authenticated on the Intranet to log into our system without too much messing around, and without using an external system to authenticate, i.e. LDAP / Kerberos Something which isn't too specific to this client, and can easily be implemented by other Intranets to log in

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