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• Accessing CoreData relationships

  - by georgeliquor

  I have the following core data model with two entities: entity "item" which holds name, date, description and a to many relationship "image". image is optional. entity "image" holds url, name and relationship to one item. I load the executed Fetchrequest into this NSArray "entityArray" This is what I do to display my data in a UITableView for example to display title in main cell: NSManagedObject *object = (NSManagedObject *)[entityArray objectAtIndex:indexPath.row]; cell.textLabel.text=[object valueForKey:@"title"]; Now I have no clue how to access my relationship image ([object valueForKey:@"image"]), because it contains more than just a string.

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• Session State ArrayList in Shopping Cart ASP.NET

  - by user330342

  Hi guys, I'm creating a shopping cart application and I'm having some issues with implementing a session state for my arraylist. in my page load i declared if (Session["Cart"] == null) { Session["Cart"] = new ArrayList(); } else { ArrayList cart = (ArrayList)Session["Cart"]; } to create the session if it doesn't exist yet. then i have an event handler for a button to add items to the arraylist protected void onClick_AddBooking(object sender, EventArgs e) { int ClassID = Convert.ToInt32(Request.QueryString.Get("Class_Id")); ArrayList cart1 = new ArrayList(); cart1 = Session["Cart"]; cart1.Add(ClassID); i'm guessing i just don't know how to handle session states yet, thus the confusion. I'm essentially storing the class_ID then when the student confirms i'll store that to the DB and associate that ID with the Class Details. Thanks in advance guys!

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• Pattern for unidirectional has_many join?

  - by Kris

  It occurred to me that if I have a has_many join, where the foreign model does not have a belongs_to, and so the join is one way, then I don't actually need a foreign key. We could have a column, category_ids, which stores a marshaled Array of IDs which we can pass to find. So here is an untested example: class page < AR def categories Category.find(self.category_ids) end def categories<<(category) # get id and append to category_ids save! end def category_ids @cat_ids ||= Marshal.load(read_attribute(:category_ids)) rescue [] end def category_ids=(ids) @cat_ids = ids write_attribute(:category_ids, ids) end end page.category_ids = [1,4,12,3] page.categories = Array of Category Is there accepted pattern for this already? Is it common or just not worth the effort?

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• Opening an Excel worksheet inside a Webbrowser.

  - by rabindrarai

  Hi, I have opened a workbook using WebBrowser. However, it opens the first worksheet in the workbook whereas I would like to open a worksheet based on a name that I provide. Following is the code I used to open the workbook: public void OpenFile(string filename) { // Check the file exists if (!System.IO.File.Exists(filename)) throw new Exception(); m_ExcelFileName = filename; // Load the workbook in the WebBrowser control this.wbMain.Navigate(filename, false); } I would like to thank you in advance for trying to help me.

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• Rails 2.3.5: How does one access code inside of lib/directory/file.rb?

  - by randombits

  I created a file so I can share a method amongst many models in lib/foo/bar_woo.rb. Inside of bar_woo.rb I defined the following: module BarWoo def hello puts "hello" end end Then in my model I'm doing something like: def MyModel < ActiveRecord::Base include Foo::BarWoo def some_method Foo::BarWoo.hello end end The interpreter is complaining that it expected bar_woo.rb to define Foo::BarWoo. The Agile Web Development with Rails book states that if files contain classes or modules and the files are named using the lowercase form of the class or module name, then Rails will load the file automatically. I didn't require it because of this.

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• jQuery/JavaScript: Trigger when preloaded

  - by user317563

  Hello there, jQuery has the .ready() function, but I am unsure whether this is what I need: I set a default background image in CSS (imange 1 out of 4), once document is loaded (images and all, not only DOM); I want to start preloading background image 2 out of 4. Once that is loaded, I want to fade image 1 into image 2. Then I want to preload the next image (3 out of 4), once that is loaded, I want to fade from background image 2 into image 3, and finally preload image 4. Once image 4 is loaded, i would like to fade image 3 into image 4. After that, I want to cycle between the images with a set time interval. What strategy would I use to solve this? .load() function? Thank you for your time. Kind regards,Marius

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• adding a mail contact into AD

  - by Grant Collins

  Hi, I am looking for a bit of guidence on how to create mail contacts in AD. This is a follow on question from SO Q#1861336. What I am trying to do is add a load of contact objects into an OU in Active Directory. I've been using the examples on CodeProject, however they only show how to make new user etc. How do I create a contact using c#? Is it similar to creating a new user but with different LDAP type attributes? My plan is to then run the enable-mailcontact cmdlet powershell script to enable Exchange 2010 to see the contact in the GAL. As you can see by my questions I don't usually deal with c# or Active Directory so any help/pointers would be really useful before I start playing with this loaded gun. Thanks, Grant

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• Create a PHP cache system in MySQL database?

  - by Zach Smith

  I'm creating a web service that often scrapes data from remote web pages. After scraping this data, I have a simple multidimensional array of information to use. The scraping process is fairly taxing on my server, and the page load takes a while. I was considering adding a simple cache system using a MySQL database, where I create one row per remote web page with a the array of information pulled from it stored as a JSON encoded string. Is this a good enough system? Or would something like a text file per web page be a better idea?

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• Have a div cling to top of screen if scrolled down past it

  - by Alex

  I have a div which, when my page is first loaded, is about 100px from the top (it holds some buttons etc. for the page). When a user scrolls past it, I would like the div to "follow" the user in that it attaches to the top of the screen. When the user returns to the top of the page, I want it back in its original position. Visualization - xxxxx is the div: Default (page load) User vertically scrolled well past it --------- --------- | | |xxxxxxx| < after div reaches top of screen when |xxxxxxx| | | page is scrolled vertically, it stays | | | | there --------- ---------

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• how can i stop my sound file from being auto download in php jquery

  - by testkhan

  i have following code in my php jquery call... <object type="application/x-shockwave-flash" data="mysounds/player.swf" id="audioplayer1" height="1" width="1"> <param name="movie" value="mysounds/player.swf" /> <param name="FlashVars" value="playerID=audioplayer1&autostart=yes&soundFile=mysounds/online.mp3" /> <param name="quality" value="high" /> <param name="menu" value="false" /> <param name="wmode" value="transparent" /> </object> and i have internetdownloadmanager installed on my pc when ever i try to load the page it start downloading the sound with internetdownloadmanager how can i stop that....and prevent it from auto downloading from any downloader...

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• How to deploy updates to .NET website in cluster

  - by royappa

  We are operating a corporate web application on a load-balanced cluster that consists of two identical IIS servers talking to a single MSSQL database. To deploy updates I am using this primitive process: 1) Make a copy of the entire site folder (wwwroot\inetpub\whatever) on each IIS box 2) Download the updated, compiled files onto each IIS box from our development area 3) Shut down IIS both web servers 4) Copy the new and updated files into the wwwroot folder (overwriting any same files) 5) Then restart IIS on both machines When there are database changes involved there are a few other steps. The whole process is fairly quick but it is ugly and fraught with danger, so it has to be done with full concentration. I would like to just push one button to make it all happen. And I want a one-click rollback in case there is a problem (that's the reason I make the copy in step #1). I am looking for tools to manage and improve this process. If it also helped us maintain a changelog, that would be nice. Thanks.

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• What kind of hosting is used for *tube sites?

  - by playcat

  Hello, I'm not sure if this is the right place for this question, and will be happy to remove the Q if needed. When a site grows from a just-a-fun project to a site with bigger load of visitor, and you want to enable them to upload videos, you might find yourself in a need of a better hosting, including dedicated server and a no-limit web traffic (or some reasonable limit). So, if people can upload their videos, and if page has around 1000-10000 visitors per day, what kind of hosting is there to choose from? What is needed in that case? Thx

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• passing variables with JQuery

  - by vick

  <script type="text/javascript" charset="utf-8"> $(document).ready(function() { $("a").click(function() { $("#myDiv").load( "job_board_data.php", { pageNo: $(this).text()} ); return false; }); }); </script> <a href="job_board_data.php?p=1">1</a> How can I pass variables to my job_board_data.php script???? I want to pass variables such as page, sort by .. anyone?

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• how to call the javscript funtion on table row click

  - by kumar

  hi, I have a javascript function.. <script type="text/javascript"> var RowClick = function() { $("#mytable").click( $("#showgrid").load('/Products/List/Items/')); }; </script> Can I call this function on onclick event on tr? I am calling something like this? <tr class="something" onclick="javascript:RowClick()');"> can i call like this? if I call its not loading the URL? can anybody help me out? thanks

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• Assembly Resolver ignores PrivateBinPath

  - by user472875

  I have an assembly I would like to load from a sub-folder of the appbase. I set that sub-folder in the PrivateBinPath during AppDomain creation. The issue is that I have another version of the same DLL in the appbase. From the way it looks, the resolver detects the wrong version first, says that there is a mismatch and stops. As a result the correct version (located in the sub-folder) never gets loaded. I have tested this by removing those DLLs in the appbase and it fixed the problem. Is there any way to force the search even if the wrong version is found?

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• LoadContent does not work in my components

  - by drozzy

  For some reason the LoadContent method does not get called in my Components. For example I have Game class in which I do: //Game.cs protected override void LoadContent() { editor = new Editor(...); Components.Add(editor); } //Editor.cs public class Editor : DrawableGameComponent{ Game game; public Editor(Game game, ...):base(game){ this.game = game; } //THIS method never gets called! protected override void LoadContent() { background = game.Content.Load<Texture2D>("background"); base.LoadContent(); } } Any tips? EDIT: When you keep in mind the order of Initialize and LoadContent everything works out fine!

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• I can't delete record in Codeigniter

  - by jomblo

  I'm learning CRUD in codeigniter. I have table name "posting" and the coloumns are like this (id, title, post). I successed to create a new post (both insert into database and display in the view). But I have problem when I delete my post in the front-end. Here is my code: Model Class Post_Model extends CI_Model{ function index(){ //Here is my homepage code } function delete_post($id) { $this->db->where('id', $id); $this->db->delete('posting'); } } Controller Class Post extends CI_Controller{ function delete() { $this->load->model('Post_Model'); $this->Post_Model->delete_post("id"); redirect('Post/index/', 'refresh'); } } After click "delete" in the homepage, there was nothing happens. While I'm looking into my database, my records still available. Note: (1) to delete record, I'm following the codeigniter manual / user guide, (2) I found a message error (Undefined variable: id) after hiting the "delete" button in the front-end Any help or suggestion, please

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• How do I get the raw dimensions of a bitmap in an ImageView?

  - by potatoe

  It seems like I might be overlooking something obvious, but I can't figure out how to retrieve the raw (unscaled) dimensions of a bitmap being displayed in an ImageView. For example, if I load a bitmap using Bitmap b = BitmapFactory.decodeResource(...), I can get those dimensions from b.getWidth() and b.getHeight(), and I could pass the bitmap into an ImageView using setImageBitmap(b). But if I have a subclass of ImageView, is there any way to retrieve those dimensions without having to pass them in explicitly? I guess I'm looking for a getImageBitmap() analog of ImageView's setImageBitmap() method, which would retrieve a Bitmap object that I can call getWidth() and getHeight() on. Any other way to retrieve the original dimensions would work too, though.

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• Error messages in ASP.NET with jQuery UI

  - by eugeneK

  I've been using my own Error reporting module which was combination of simple c# and jQueryUI Dialog. Problem is that once error or success occurs i do write it's value to session. It does work pretty good on pages with Responce.Redirect on error but not on pages where i catch an error and then return to same form. My question is why does session which added pre-postback fails to load in pages where i have return statement on some condition. And if there another way to save errors and success message except in session ? Maybe global variables or something like that ...

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• Running a ProgressDialog MonoAndroid

  - by user1791926

  I am trying to run a progressDialog that will loading items into a Sqlite datebase on a first load for my application. I get an error message because the application runs the rest of the code in the application before the rest of the data is loaded into the database. How do I make sure the code is completed in the progressDialog before the code in the rest of the program? LocalDatabase DB = new LocalDatabase(); var dbpd = ProgressDialog.Show(this, "Loading Database", "Please wait Loading Data",true); ThreadPool.QueueUserWorkItem((s) =>{ DB.createDB(); RunOnUiThread(() => databaseLoaded()); });

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• How to properly enque css in to wordpress

  - by wordpressm

  I am trying to en-queue css in worpress. Here is my code function amba_adding_styles() { wp_register_script( 'jquery-ui-css', 'http://code.jquery.com/ui/1.10.3/themes/smoothness/jquery-ui.css'); // Register the style like this for a plugin: wp_register_style( 'custom-style', plugins_url( '/css/custom-style.css', __FILE__ ), array(), '20120208', 'all' ); // For either a plugin or a theme, you can then enqueue the style: wp_enqueue_style( 'jquery-ui-css' ); // For either a plugin or a theme, you can then enqueue the style: wp_enqueue_style( 'custom-style' ); } add_action( 'wp_enqueue_scripts', 'amba_adding_styles' ); However, jquer-ui.css doesnt load. Can anybody guess the error here??

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• Localizing a JSF 1.2 application with UTF-8 resources

  - by Filini

  (WARNING: this is my first java application, coming from .NET, so don't bash me if I write too much garbage) I'm developing a simple JSF 1.2 web application which should support Russian, Chinese, and other languages outside ISO 8859-1, which is automatically used in Properties.load(). Is there a way to use the Properties loaded from XML files, with Properties.loadFromXml(), inside JSF, without writing too much code? I know there are alternative ways to do so (writing my own loader, escaping the characters...), but I'd really love to find a simple solution, and I don't see it in all the forums I checked. Thanks in advance for any help

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• C# how to store those information?

  - by 5YrsLaterDBA

  I have a PrivilegeGroup table, a Privileges table and a link table because the PrivilegeGroup table and the Privileges table is a many to many relationship. I am thinking about load all contents of PrivilegeGroup table and Privilege table into memory from database at beginning when application started. I want to save them in a form easily to look up. Usually we will look up the PrivilegeCode via GroupId. Which structure is good for this purpose? array of list? dictionary?

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• MVC Model architecture

  - by ATT

  I'm getting into CodeIgniter and trying to figure out the good architecture for my models. What kind of models would you create for the following simple example: list page of blog entries: shows part of the entry data, number of comments blog entry page: shows all the entry data, comment list (with part of the comment data) comment page: shows all the comment data I'm trying to get this right so that it's simple and effective. I don't want to load too much information (from the db) on the pages where I don't need them. E.g. should the same entry model handle both multiple entries as well as a single entry? And how should the comments be loaded? I only need the number of comments on the multiple entries (list) page but some of the comment data on the single entry page. How would you handle this?

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• Preinitialize BackgroundAudioPlayer in WP7?

  - by kgrevehagen

  When I am using the BackgroundAudioPlayer in my Windows Phone 7 application, it takes a lot of time to load the first time I want to play a song. Is there any way of preinitializing the BackgroundAudioPlayer before playing the first track, so that when I start playing, it starts right along? I have googled it, but no luck. I am just using BackgroundAudioPlayer.Instance when I e.g. want to play, pause, stop etc an audiotrack. Is there something other i could do to fix this? Thanks in advance!

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