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  • How do I get a thumbnail or saveable path from UIImagePickerController to use for a UIImageView?

    - by viperacr99
    Could somebody please explain or show some sample code of how I can use get a thumbnail to be put into a UIImageView after the user selects a photo with UIImagePickerController? Let's say I want to set a thumbnail as the image of a table view cell. When the user presses the cell, the image picker is shown and the user selects an image that is already on their device. I also want to save the path to that thumbnail so that the next time the view is displayed, the proper thumbnail can be shown. I am able to display an image picker and my delegate get's the chosen image correctly, but I want the path to the thumbnail, and I want to load the thumbnail using that path (i.e. I want to save the path). I've searched for hours today and haven't figured this out. Perhaps I'm not understanding ALAsset, or maybe it is something else, but I can't find any examples that are helping me. I have never used the image picker or ALAsset before now, so I'm completely new at this.

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  • How can I discard 2 choices out of 4 from my Array of choice

    - by Umaid
    Actually I have four choice out of which i need to discard to choice on button click like 50/50 , then it will show only 2 choice for user to select out which one is correct and one is wrong -(IBAction)Rebind:(id)sender { if (i == [QuizArray count]) { if([sender tag] == 1) //if([sender tag] == 1) { [self.CorrectArr addObject:@"A"]; //[self.CorrectArr addObject:mydiet.varOpt1]; } else if([sender tag] == 2) { [self.CorrectArr addObject:@"B"]; //[self.CorrectArr addObject:mydiet.varOpt2]; } else if([sender tag] == 3) { [self.CorrectArr addObject:@"C"]; //[self.CorrectArr addObject:mydiet.varOpt3]; } else if([sender tag] == 4) { [self.CorrectArr addObject:@"D"]; //[self.CorrectArr addObject:mydiet.varOpt4]; } Score *myscore = [[Score alloc] initWithNibName:@"Score" bundle:nil]; myscore.SelectedArr = CorrectArr; [self.view addSubview:myscore.view]; } else { NSString *questionstring = [NSString stringWithFormat:[[QuizArray objectAtIndex:i] varQuestion]]; self.myquestion.text = questionstring; [btn1 setTitle:[[AnswerArray objectAtIndex:i] varAnswer] forState:normal]; if([sender tag] == 1) { [self.CorrectArr addObject:@"A"]; //addObject:mydiet.varOpt1]; } else if([sender tag] == 2) { [self.CorrectArr addObject:@"B"]; //addObject:mydiet.varOpt2]; } else if([sender tag] == 3) { [self.CorrectArr addObject:@"C"]; //addObject:mydiet.varOpt3]; } else if([sender tag] == 4) { [self.CorrectArr addObject:@"D"]; //addObject:mydiet.varOpt4]; } } i = i + 1; //} }

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  • problem by displaying images stored in a MySQL database?

    - by user1400
    i have images in my blob field in database i use blow colde for displaying image but it does not show any pic , someone could tell me where is my wrong? this is my model: public function getListUser() { $select = $this->select() ->order('lastname DESC'); $adapter = new Zend_Paginator_Adapter_DbTableSelect ($select); return $adapter; } this my controller: $userModel = new Admin_Model_User(); $adapter = $userModel->getListUser(); $paginator = new Zend_Paginator ($adapter); $paginator->setItemCountPerPage(1); $page = $this->_request->getParam('page', 1); $paginator->setCurrentPageNumber($page); $this->view->paginator = $paginator; this my view code: <td style="width: 20%;"> <?php echo $this->lastname ?> </td> <td style="width: 20%;"><?php header("Content-type: image/gif"); print $this->image; ?></td>

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  • Selecting favourites from DB rails 3

    - by Richlewis
    I have a small app which has Users, Recipes, Ingredients and preparation models A user has many recipes, recipes belong to user and ingredients/preparation belongs to recipes. Now a user can view all recipes but I would like the option to add the particular recipe to a favourites list. Would I need to set a new DB to hold this and then link by associations or could I add a column to the recipe model called fav for example? Im looking for the best practice here or if someone has done this before and can offer any advice that would be appreciated

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  • Dynamically generating method names in rails

    - by badnaam
    I need to generate links in my views using the url helpers such as user_path(@user), the catch is, in some cases I don't know what model I am creating this link for i.e. whether it is a user or a store or someting else I would like to be able to determine this on the fly and call the appropriate view helper, currently I am doing the following, but I am wondering if there is a drier way of doing it. if object.class == "Store" store_path(object) elsif object.class == "User" user_path(object) ...etc

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  • Using git-svn (or similar) just to help out with svn merge?

    - by inger
    Some complex subversion merges are coming up in my project: big branches that have been apart for a long time. Svn gives too many conflicts. Would it be any good to use git-svn just for the benefit of making the merge more manageable? (perhaps due to its powerful content model) Can you recommend other alternatives (eg. svk) to lessen the merge pain? Thanks in advance.

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  • WPF/INotifyPropertyChanged, change the value of txtA, the txtB and txtC should change automatically?

    - by user1033098
    I supposed, once i change the value of txtA, the txtB and txtC would change automatically, since i have implemented INotifyPropertyChanged for ValueA. But they were not updated on UI. txtB was always 100, and txtC was always -50. I don't know what's the reason. My Xaml.. <Window x:Class="WpfApplicationReviewDemo.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"> <StackPanel> <TextBox Name="txtA" Text="{Binding ValueA}" /> <TextBox Name="txtB" Text="{Binding ValueB}" /> <TextBox Name="txtC" Text="{Binding ValueC}" /> </StackPanel> </Window> My code behind... public partial class MainWindow : Window { public MainWindow() { InitializeComponent(); this.DataContext = new Model(); } } public class Model : INotifyPropertyChanged { private decimal valueA; public decimal ValueA { get { return valueA; } set { valueA = value; PropertyChanged(this, new PropertyChangedEventArgs("ValueA")); } } private decimal valueB; public decimal ValueB { get { valueB = ValueA + 100; return valueB; } set { valueB = value; PropertyChanged(this, new PropertyChangedEventArgs("ValueB")); } } private decimal valueC; public decimal ValueC { get { valueC = ValueA - 50; return valueC; } set { valueC = value; PropertyChanged(this, new PropertyChangedEventArgs("ValueC")); } } #region INotifyPropertyChanged Members public event PropertyChangedEventHandler PropertyChanged; #endregion } After i add code to the set method of ValueA property, it works. public decimal ValueA { get { return valueA; } set { valueA = value; PropertyChanged(this, new PropertyChangedEventArgs("ValueA")); PropertyChanged(this, new PropertyChangedEventArgs("ValueB")); PropertyChanged(this, new PropertyChangedEventArgs("ValueC")); } } But I supposed it should be automatically refresh/updated for txtB and txtC. Please advise.

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  • Aside from a prototype, what is the next best thing to satisfy a user

    - by user1639998
    Aside from a prototype, what is the next best thing to satisfy a user who really wants to know what an application will be like? Choice 1 A process model Choice 2 An interaction diagram Choice 3 A data-flow diagram Choice 4 A class diagram Choice 5 A class-state diagram 2 is my partner's choice 3 is my choice I stick to my colors also he stick to his. which one is better?

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  • Migrating Application Configuration from Windows Registry to SQLite

    - by baris_a
    Currently, I am working on the migration mentioned in the title line. Problem is application configuration that is kept in registry has a tree like structure, for example: X |->Y |->Z |->SomeKey someValue W |->AnotherKey anotherValue and so on. How can I model this structure in SQLite (or any other DB)? If you have experience in similar problems, please send posts. Thanks in advance.

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  • Rails find all with association

    - by aaronrussell
    I have what I think is a very simple problem (famous last words)... I have a Category model that has_and_belongs_to_many Events. I want to construct a simple and efficient query that finds all categories that have 1 or more events. (using Rails 3) I'm sure I'm having a dumb moment here - any help appreciated :)

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  • specified size of td

    - by ognjenb
    <table class="data-table"> <tr> <th style="width: 200px;"> Description </th> </tr> <% foreach (var item in Model) { %> <tr> <td style="width: 200px;"> <%= Html.Encode(item.Description) %> </td> </tr> </table> browser html: <table class="data-table"> <tr> <th style="width: 200px;"> Description </th> </tr> <tr> <td > This is description </td> </tr> </table> Why this td size is not to apply on View page? In Design view on VS 2008 td size is applied, but after run project in my browser not have specified size

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  • Rails Functional test assert_select javascript respond_to

    - by Macint
    Hello, I am currently trying to write functional tests for a charging form which gets loaded on to the page via AJAX(jQuery). It loads the form from the charge_form action which returns the consult_form.js.erb view. This all works, but I am having trouble with my testing. In the functional I can go to the action but I cannot use assert_select to find a an element and verify that the form is in fact there. Error: 1) Failure: test_should_create_new_consult(ConsultsControllerTest) [/test/functional/consults_controller_test.rb:8]: Expected at least 1 element matching "h4", found 0. <false> is not true. This is the view. consult_form.js.erb: <div id="charging_form"> <h4>Charging form</h4> <div class="left" id="charge_selection"> <%= select_tag("select_category", options_from_collection_for_select(@categories, :id, :name)) %><br/> ... consults_controller_test.rb: require 'test_helper' class ConsultsControllerTest < ActionController::TestCase def test_should_create_new_consult get_with_user :charge_form, :animal_id => animals(:one), :id => consults(:one), :format => 'js' assert_response :success assert_select 'h4', "Charging form" #can't find h4 end end Is there a problem with using assert_select with types other than html? Thank you for any help!

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  • How do I use has_many :through and in_place_edit?

    - by Angela
    I have two Models: Campaign and Contact. A Campaign has_many Contacts. A Contact has_many Campaigns. Currently, each Contact has a contact.date_entered attribute. A Campaign uses that date as the ate to count down to the different Events that belong_to the Campaign. However, there are situations where a Campaign for a specific Contact may need to be delayed by X number of days. In this instance, the campaigncontact.delaydays = 10. In some cases, the Campaign must be stopped altogether for the specific Contact, so for now I set campaigncontact.delaydays = 1. (Are there major problems with that?) By default, I am assuming that no campaigncontact exists (but not sure how that works?) So here's what I've tried to do: class Contact < ActiveRecord::Base has_many :campaigncontacts has_many :campaigns, :through => :campaigncontacts end class Campaign < ActiveRecord::Base has_many :campaigncontacts has_many :contacts, :through => :campaigncontacts end script/generate model campaigncontact campaign_id:integer contact_id:integer delaydays:integer class Campaigncontact < ActiveRecord::Base belongs_to :campaign belongs_to :contact end So, here's the question: Is the above correct? If so, how do I allow a user to edit the delay of a campaign for a specific Contact. For now, I want to do so from the Contact View. This is what I tried: In the Contact controller (?) in_place_edit_for :campaigncontact, column.delaydays And in the View <%= in_place_editor_field :campaigncontact, :delaydays %> How can I get it right?

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  • HttpContext returning only "/"

    - by user281180
    I have the following two lines of codes in my model, however, both virtual and path have values "\". Where have I gone wrong? var virtual = VirtualPathUtility.ToAbsolute(HttpContext.Current.Request.ApplicationPath); var path =HttpContext.Current.Request.ApplicationPath;

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  • Associate two sets of values

    - by PJW
    I have the following code - public static int GetViewLevel(string viewLevelDesc) { try { switch (viewLevelDesc) { case "All": return 0; case "Office": return 10; case "Manager": return 50; default: throw new Exception("Invalid View Level Description"); } } catch (Exception eX) { throw new Exception("Action: GetViewLevel()" + Environment.NewLine + eX.Message); } } public static string GetViewLevelDescription(int viewLevel) { try { switch (viewLevel) { case 0: return "All"; case 10: return "Office"; case 50: return "Manager"; default: throw new Exception("Invalid View Level Description"); } } catch (Exception eX) { throw new Exception("Action: GetViewLevelDescription()" + Environment.NewLine + eX.Message); } } The two static Methods enable me to either get an int ViewLevel from a string ViewLevelDesc or vice versa. I'm sure the way I have done this is far more cumbersome than it needs to be, and I'm looking for some advice how to achieve the same objective but more concisely. The list of int / string pairs will increase significantly. The ones in the above code are just the first three I intend to use.

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  • technology for new webproject?

    - by elCapitano
    Hi there, i am planing to set up a new webproject which has to use a database and a model which can be presented in a browser. I looked at a lot of technologies (JSF, PHP, ..) but i could not find a free and easy framework/technology for me (in the end i prefered asp.net, but this is not free). What can you recommend me for a new webproject from scratch?

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  • selected option not clearing from memory android

    - by user2980560
    I have a small random number spinner that when you click gives a random number. I am having two problems. The first is when the main activity loads it displays a random number on the screen without the random number spinner being clicked. I am unsure what to set to false to keep it from opening with the main activity. The second problem is that when you select an option from the spinner it does not clear. Meaning that If you click on option D6 or D20 then you can not click on the same option again until selecting the other option first. Essentially the selection does not clear out of memory after the random number is selected. Here is the random number code public void onItemSelected(AdapterView<?> parent, View view, int pos, long id) { Random rand = new Random(); int roll; // An item was selected. if (spinner1.getSelectedItemPosition()==0) { roll = rand.nextInt(6)+1; } else { roll = rand.nextInt(20)+1; } // Put the result into a string. String text = "You rolled a " + roll; // Build a dialog box and with the result string and a single button AlertDialog.Builder builder = new AlertDialog.Builder(this); builder.setMessage(text).setCancelable(false) .setPositiveButton("OK", new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int id) { // do things when the user clicks ok. } }); AlertDialog alert = builder.create(); // Show the dialog box. alert.show(); }

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  • expected ":" before "]" token + confused by earlier errors, bailing out

    - by Colby Bookout
    Ok so im at my wit's end here. I have tried every imaginable thing to get rid of these errors heres my code: - (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath { // Navigation logic may go here. Create and push another view controller. /* //<#DetailViewController#> *detailViewController = [[<#DetailViewController#> alloc] initWithNibName:@"<#Nib name#>" bundle:nil]; // ... // Pass the selected object to the new view controller. [self.navigationController pushViewController:detailViewController animated:YES]; [detailViewController release]; */ NSInteger row = [indexPath.row]; if (self.nameExcerptPage == nil) { NameOTWexcerpt *nameExcerptPageDetail = [[nameExcerptPage alloc] initWithNibName:@"NameOTWexcerpt" bundle:nil]; self.nameExcerptPage = nameExcerptPageDetail; [nameExcerptPageDetail release]; nameExcerptPage.title = [NSString stringWithFormat:@"%&", [TheBookNavTabs objectAtIndex:row]]; Rothfuss_ReaderAppDelegate *delegate = [[UIApplication sharedApplication] delegate]; [delegate.SecondTableViewController pushViewController:TheBookNavTabs animated:YES]; } } and the error appears where it says "NSInteger row = [indexPath.row]; please help! thanks!

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  • How do you get and set a class property across multiple functions in Objective-C?

    - by editor
    Following up on this question about sharing objects between classes, I now need to figure out how to share the objects across various functions in a class. First, the setup: In my App Delegate I load menu information from JSON into a NSMutableDictionary and message that through to a view controller using a function called initWithData. I need to use this dictionary to populate a new Table View, which has methods like numberOfRowsInSection and cellForRowAtIndexPath. I'd like to use the dictionary count to return numberOfRowsInSection and info in the dictionary to populate each cell. Unfortunately, my code never gets beyond the init stage and the dictionary is empty so numberOfRowsInSection always returns zero. I thought I could create a class property, synthesize it and then set it. But it doesn't seem to want to retain the property's value. What am I doing wrong here? In the header .h: @interface FirstViewController:UIViewController <UITableViewDataSource, UITableViewDelegate, UITabBarControllerDelegate> { NSMutableDictionary *sectorDictionary; NSInteger sectorCount; } @property (nonatomic, retain) NSMutableDictionary *sectorDictionary; - (id)initWithData:(NSMutableDictionary*)data; @end in the implementation .m: - (id) testFunction:(NSMutableDictionary*)dictionary { NSLog(@"Count #1: %d", [dictionary count]); return nil; } - (id)initWithData:(NSMutableDictionary *)data { if (!(self=[super init])) { return nil; } [self testFunction:data]; // this is where I'd like to set a retained property self.sectorDictionary = data; return nil; } - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section { NSLog(@"Count #2: %d", [self.sectorDictionary count]); return [self.sectorDictionary count]; } Output from NSLog: 2010-05-04 23:00:06.255 JSONApp[15890:207] Count #1: 9 2010-05-04 23:00:06.259 JSONApp[15890:207] Count #2: 0

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