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  • Asp.net razor textbox array for list items

    - by yycdev
    I can't find or figure out how to take a list of items (cupcakes) and display them in razor with a quantity field. What is happening is I am not able to get the values for each cupcake quantity in the list. Can you do textbox arrays in Razor? VIEW <div class="form-group"> <label>Cupcakes</label> @foreach (var cupcake in Model.CupcakeList) { @Html.TextBox("CupcakeQuantities", cupcake.Id) @cupcake.Name <br/> } </div> MODEL public List<Cupcake> CupcakeList { get; set; } public List<int> CupcakeQuantities { get; set; } CONTROLLER public ActionResult Create() { var model = new PartyBookingModel() { CupcakeList = db.Cupcakes.ToList(), CupcakeQuantities = new List<int>() }; return View(model); }

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  • release vs setting-to-nil to free memory

    - by Dan Ray
    In my root view controller, in my didReceiveMemoryWarning method, I go through a couple data structures (which I keep in a global singleton called DataManager), and ditch the heaviest things I've got--one or maybe two images associated with possibly twenty or thirty or more data records. Right now I'm going through and setting those to nil. I'm also setting myself a boolean flag so that various view controllers that need this data can easily know to reload. Thusly: DataManager *data = [DataManager sharedDataManager]; for (Event *event in data.eventList) { event.image = nil; event.thumbnail = nil; } for (WondrMark *mark in data.wondrMarks) { mark.image = nil; } [DataManager sharedDataManager].cleanedMemory = YES; Today I'm thinking, though... and I'm not actually sure all that allocated memory is really being freed when I do that. Should I instead release those images and maybe hit them with a new alloc and init when I need them again later?

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  • Navigation bar(s) disappear when the window gets too small

    - by Leron
    The title maybe is a little misleading but I'm not 100% sure how this effect is called. I'm pretty sure what I meant is that my navigation bar is disappearing instead of collapsing. However my set up is this - I am working on the Layout view of ASP.NET MVC 4 project. I'm using bootstrap 3x but also have included jQuery libs so my <head> part is like this: @Scripts.Render("~/Scripts/bootstrap.min.js") @Styles.Render("~/Content/bootstrap.css") @Styles.Render("~/Content/themes/base/jquery.ui.smoothness.css") @Scripts.Render("~/Scripts/jquery-2.0.3.min.js") @Scripts.Render("~/Scripts/jquery-ui-1.10.3.min.js") //just skipped the standard stuff In the body I want to have two navbars and one side menu which will be the same for all my pages but I've noticed that when I start to narrow the window at some point instead of getting an effect similar to this example (noticed how the elements get repositioned) I just got both my navbars gone, I can't see them. The markup for my first navbar is this : <div class="navbar navbar-static-top navbar-inverse navbar-collapse collapse" role="navigation"> <ul class="nav navbar-nav "> <li><a href="#">Info</a></li> <li><a href="#">Info</a></li> </ul> </div> and the second one is : <div class="navbar navbar-collapse collapse" role="navigation" id="main-navigation-bar"> <ul class="nav nav-pills nav-justified"> <li style="border: 1px solid grey"><a href="#">Link</a></li> <li><a href="#">Link</a></li> <li><a href="#">Link</a></li> </ul> In fact the only thing left in my _Layout body is this: <div class="container-fluid"> @RenderBody() </div> which is just for compiling purposes and renders this view : <p>1</p> <p>2</p> <p>3</p> <p>4</p> <p>5</p> So when I make the window small enough so that my navbars disappear the only thing left is 1..5 numbers from the rendered view. I tested with only one navbar (commented the other) - no matter which one is commented, when I narrow the window I loose the navbar. How can I keep them using bootstrap 3x?

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  • How to refresh an activity?

    - by poeschlorn
    Hi Guys, after implementing some Android Apps, including several Map activities, I try to refresh the activity when the GPS listener's onLocationChanged() mehtod is called. I have no Idea how to tell the map activity to refresh on its own and display the new coords... the coords to store will have to be in global values, so that the location listener will have access to it. In my sample GPS-class (see code below) I just changed the text of a text view....but how to do that in map view? private class MyLocationListener implements LocationListener { @Override public void onLocationChanged(Location loc) { final TextView tv = (TextView) findViewById(R.id.myTextView); if (loc != null) { tv.setText("Location changed : Lat: " + loc.getLatitude() + " Lng: " + loc.getLongitude()); } } I think the solution of this Problem won't be very difficult, but I just need the beginning ;-) This whole app shall work like a really simple navigation system. It would be great if someone could help me a little bit further :) nice greetings, Poeschlorn

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  • Accessing database problem

    - by anarche
    Ok, so I've got an SQLiteOpenHelper that prepares and returns a SQLiteDatabase object; this is written singleton-pattern, so the database is opened once and only closed when the Activity closes. From there I have three database wrappers encapsulating the queries (some returning cursors to datasets, some inserting data) used by the Activity. I want to insert data from one View, then have that automatically update in another View on the same Dialogue. I'm writing this on a notepad and testing on the phone (since the emulator crashes the notepad...), so I can't pull up stacktraces atm. So questions: 1) are there limitations to writing to a database, when there are cursors open on the database? 2) Does a Cursor.requery()? call update the ListView with the cursor as a data connector?

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  • Capture output of another action within current action?

    - by wizzard
    I have been trying to find a way to capture the output (rendered view) of another action within the current action... something akin to output buffering. The scenario is that I need to save a "snapshot" of a report. The data used in the report is ever-changing, and for whatever reason I need to actually save the view HTML rather than just a data array. I have created a snapshotAction(), and I want to somehow capture the output of the separate reportAction() within it. I don't want to render the reportAction() to the screen, I want it to render within my current action, before the action completes. Is there any way to do this in ZF?

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  • data between pages: $_SESSION vs. $_GET ?

    - by Haroldo
    Ok, firstly this is not about forms this is about consistent layout as a user explores a site. let me explain: If we imagine a (non-ajax) digital camera online store, say someone was on the DSLR section and specified to view the cameras in Gallery mode and order by price. They then click onto the Compact camera's page. It would be in the users interests if the 'views' they selected we're carried over to this new page. Now, i'd say use a session - am i wrong? are there performance issues i should be aware of for a few small session vars ( ie view=1 , orderby=price) ?

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  • Parsing XML wont display all items.

    - by Nauman A
    I have this code but the toast wont display any message what is wrong with my code.. I can get the value from link, linknext but title wont bring out any value. ( I am not very bright with writing code so please suggest anything you may feel like. final Button button = (Button) findViewById(R.id.Button01); button.setOnClickListener(new View.OnClickListener() { public void onClick(View v) { // Perform action on click try { URL url = new URL( "http://somelink.com=" + Link.setFirst_link); DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance(); DocumentBuilder db = dbf.newDocumentBuilder(); Document doc = db.parse(new InputSource(url.openStream())); doc.getDocumentElement().normalize(); NodeList nodeList = doc.getElementsByTagName("item"); /** Assign textview array lenght by arraylist size */ for (int i = 0; i < nodeList.getLength(); i++) { Node node = nodeList.item(i); Element fstElmnt = (Element) node; NodeList nameList = fstElmnt.getElementsByTagName("link"); Element nameElement = (Element) nameList.item(0); nameList = nameElement.getChildNodes(); String img = (((Node) nameList.item(0)).getNodeValue()); NodeList websiteList = fstElmnt.getElementsByTagName("linknext"); Element websiteElement = (Element) websiteList.item(0); websiteList = websiteElement.getChildNodes(); String nextlink = (((Node) websiteList.item(0)).getNodeValue()); Link.setFirst_link = nextlink; Drawable drawable = LoadImageFromWebOperations(img); imgView.setImageDrawable(drawable); NodeList titleList = fstElmnt.getElementsByTagName("title"); Element titleElement = (Element) titleList.item(0); websiteList = titleElement.getChildNodes(); String title = (((Node) titleList.item(0)).getNodeValue()); Context context = getApplicationContext(); CharSequence text = title; int duration = Toast.LENGTH_SHORT; Toast toast = Toast.makeText(context, text, duration); toast.show(); } } catch (Exception e) { System.out.println("XML Pasing Excpetion = " + e); } } }); /** Set the layout view to display */ } Here is the xml file <?xml version="1.0"?> <maintag> <item> <link>http://image.com/357769.jpg?40</link> <linknext>http://www.image.com</linknext> <title>imagename</title> </item> </maintag>

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  • Entity data field validation and part data submission

    - by pradeeptp
    I have an entity class that has 10 fields. I am using MS Validation Application block to mark all fields as mandatory (IsRequired). I am implementing a securiy feature in which during updation of the data, not all the fields in the entity class will have data. For example a few users can only view 5 fileds while others all 10 fields during updation on GUI I have the following options 1) Bring all the data for all the fields from the DB table and hide the ones not accessible to the users in GUI. I am concerned about the performance because everytime GUI will pull unncessary data. 2) Bring the data (e.g. only 5 fields) that are permissible for access/view by the user on GUI. During submit, validation block will throw exception because all fields are marked as IsRequired and only data for 5 fields are sent back to the server. I want to know if there are any other good approaches to solve problems like this. I am using .NET 3.5 Thanks.

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  • How to set maxLines and ellipsesize of a TextView at the same time.

    - by michael
    I want to limit my text view to have maximum of 6 lines, so I did: <TextView android:id="@+id/toptext" android:layout_width="fill_parent" android:layout_height="wrap_content" android:maxLines="6"/> But when I try to configure it to add '...' when the text is truncated, I add android:ellipsize="end". I do see the ... but then my TextView only has a max line of 2, instead of 6. Can you please how can I make the text view of maximum line of 6 and add '...' when it get truncated? Thank you.

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  • django getting current user id

    - by dana
    hello, i have a mini app where users can login, view their profile, and follow each other. 'Follow' is a relation like a regular 'friend' relationship in virtual communities, but it is not necessarily reciprocal, meaning that one can follow a user, without the need that the user to be following back that person who follows him. my problem is: if i am a logged in user, and i navigate to a profile X, and push the button follow, how can i take the current profile id ?(current profile meaning the profile that I, the logged in user, am viewing right now.) the view: def follow(request): if request.method == 'POST': form = FollowForm(request.POST) if form.is_valid(): new_obj = form.save(commit=False) new_obj.initiated_by = request.user u = User.objects. what here? new_obj.follow = u new_obj.save() return HttpResponseRedirect('.') else: form = FollowForm() return render_to_response('followme/follow.html', { 'form': form, }, context_instance=RequestContext(request)) thanks in advance!

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  • How do I trigger a closing animation for a WPF ContextMenu?

    - by Ashley Davis
    Does anyone know if it is possible to trigger an animation when a WPF ContextMenu closes? I have code that triggers an animation when the ContextMenu is opened. The animation makes the context menu fade into view. I also want an animation when the ContextMenu is closed that makes it fade out. The code that starts the opened fade-in animation looks something like this: var animation = new DoubleAnimation(); animation.From = 0; animation.To = 1; animation.Duration = TimeSpan.FromSeconds(0.2); animation.Freeze(); menu.BeginAnimation(ContextMenu.OpacityProperty, animation); The fade-in animation also runs on sub-menu items. Note that I also want to run other animations besides fade in and fade out. Eg I want the context menu to scale up from nothing so that it sort of 'bounces' into view.

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  • Pop-Up Window at inital start up, of android application

    - by Josh Fairbank
    I am trying to find a code that will do a popup at the initial start up on an installed app. Much like a changelog that is starting to appear in more and more apps. I have found some similar codes, but being a beginner I haven't been able to figure out where to exactly put the code in and I always have tons of errors that still do not work once I try and fix them. I am working in Eclipse with an android project, and I'm using a webview to show a website. XML: <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent"> <WebView xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/webview" android:layout_height="fill_parent" android:layout_width="fill_parent" android:scrollbarAlwaysDrawVerticalTrack="false"/> </LinearLayout> Java File: package com.A2Ddesigners.WhatThe; import android.app.Activity; import android.os.Bundle; import android.webkit.WebView; import android.webkit.WebViewClient; import android.view.KeyEvent; public class Whatthe extends Activity { WebView webview; /** Called when the activity is first created. */ @Override public boolean onKeyDown(int keyCode, KeyEvent event) { if ((keyCode == KeyEvent.KEYCODE_BACK) && webview.canGoBack()) { webview.goBack(); return true; } return super.onKeyDown(keyCode, event); } @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); webview = (WebView) findViewById(R.id.webview); webview.setWebViewClient(new HelloWebViewClient()); webview.getSettings().setJavaScriptEnabled(true); webview.setInitialScale(50); webview.getSettings().setUseWideViewPort(true); webview.loadUrl("http://mdsitest2.com/"); } private class HelloWebViewClient extends WebViewClient { @Override public boolean shouldOverrideUrlLoading(WebView view, String url) { view.loadUrl(url); return true; } } }

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  • swing: event listener support class

    - by Jason S
    Is there any preexisting class that helps support add/remove EventListener operations? (kind of like PropertyChangeSupport) I'm trying to partition my code into a model and view in Java. I have some data that arrives erratically, and would like the model to support some kind of EventListener so that a view can subscribe to changes in the model. The data is numerous + complicated enough that I don't want to have to do the whole fine-grained Javabeans property change support; rather I would just like to allow notification that the model has changed in a coarse way. how can I best do this?

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  • PHP Script for redirecting to url

    - by Aruna
    hi, i am having a 2 Urls like http://www.abc.com and http://www.xyz.com. I am trying to redirect to http://www.xyz.com whenever i type http://www.abc.com in the browser. And also when the user types http://www.abc.com/index.php?option=com_content&view=article&id=46&Itemid=55 something like this ie. any query next to abc.com then i am trying to redirect to http://www.xyz.com/index.php?option=com_content&view=article&id=46&Itemid=55. how to do this in Php... Please help me..

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  • Rendering splash screen on the iPhone using Open GL ES

    - by Rich
    Hi, I want to render a splash screen on the iPhone whilst using an Open GL view. The iPhone screen as we know is 320x480, which is not a power of 2. Before I enter into the world of chopping the texture up and rendering sub parts, or embedding the screen on another texture page I was wondering if there was another way? Is it possible to overlay another view that I could render to using CoreGraphics functions? Or is it possible to render to a Open GL surface using Core Graphics functions. What would you recommend? Cheers Rich

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  • ASP MVC dynamic fields in editor

    - by Michael Pardo
    I have a form which will include some optional questions that need to asked of the user. In my model it may look like pubic Dictionary<String, String> Questions { get; set; } where the key is the label and value is the text box. How can I create and populate controls for this? I'm new to ASP MVC, but it makes sense that something like this would be built in. Is there a built in way to do this, or do I have to implement it myself? It seems like there should be a helper for it, since you don't really want to put this kind of code in the view. I've tried Html.EditorFor(model => model.Questions); but it just spits out "[key, value]" to the view.

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  • MATLAB: How do I get 3D coordiantes from a user-click?

    - by John
    I'm using Matlab to create a small chess game for one of my courses this semester. The thing I'm having trouble with is having the user be able to select one of the chess pieces. To simplify things, I'm making it so that the user selects a piece by clicking on the square that the chess piece resides on rather than clicking the piece itself (which I assume would be much more difficult). I know how to get the x and y coordinates of the view-port, but how do I transform these coordinates into 3-space coordinates? I know that there are multiple x,y,z coordinates associated with each view-port coordinate, but I'm only interested in the x,y,z coordinate where z = 0 (since the board itself is in the x,y plane that intersects the z axis where z = 0). Thanks!

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  • Limit number of views per day in Django

    - by ariddell
    Is there an easy way to limit the number of times a view can be accessed by a given IP address per day/week? A simplified version of the technique used by some booksellers to limit the number of pages of a book you can preview? There's only one view that this limit need apply to--i.e. it's not a general limit--and it would be nice if I could just have a variable overlimit in the template context. The solution need not be terribly robust, but limiting by IP address seemed like a better idea than using a cookie. I've looked into the session middleware but it doesn't make any references to tracking IP addresses as far as I can tell. Has anyone encountered this problem?

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