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• iphone app photo upload to server from app threads

  - by user290380

  I have an app that needs to upload a least 5 photos to a server using API call available with the server. For that I am planning to use threads which will take care of photo upload and the main process can go on with the navigation of views etc. What I cant decide is whether it is OK to spawn five separate threads in iphone or use a single thread that will do the upload. In the later cases obviously it will become quite slow. Basically an HTTP POST request will be made to the server with the NSMutableURLRequest object using NSCOnnection. More threads mean more complexity and sync issues, but I can try to write code as neat as possible if it means better performance than a single thread which is simple but is a real stopper if performance is considered. Anybody with any experience in this kinda app. ??

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• how to insert page view of a node in another page in drupal

  - by sprugman

  I have a list of node ids and I want to display the 'page' view of each one. For various reasons, I don't want to do this with views, and don't think I should need a module. Just an API call to theme('node'). Something like: $nids = array(3,4,5); foreach ($nids as $nid) { $node = node_load($nid); $result .= theme('node', $node); } but I'm not getting back the full page view of the node. I added this to my node-[type].tpl.php file: if ($page) print "PAGE MODE "; else print "NOT PAGE "; if ($teaser) print "TEASER MODE "; else print "NOT TEASER "; and got: NOT PAGE NOT TEASER I seem to be in some kind of limbo. I suspect there's an argument that I add to the theme function, but the terms are all so general (theme, teaser, page, node), I'm having trouble with my google-fu.

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• django integrate htmls into templates

  - by dana

  hi guys, i have a django 'templating' question if i have in views.py: def cv(request): if request.user.is_authenticated(): cv = OpenCv.objects.filter(created_by=request.user) return render_to_response('cv/cv.html', { 'object_list': cv, }, context_instance=RequestContext(request)) and in cv.html something like: {% for object in object_list %} First Name {{ object.first_name }} Last Name {{ object.last_name }} Url {{object.url}} Picture {{object.picture}} Bio {{object.bio}} Date of birth {{object.date_birth}} {% endfor %} but i want this content to appear on the profile.html page too, how can i do it? a smple {% include cv.html %} in the profile.html doesn't work. Also, is there another way to 'parse the object list' than explicitly write all the objects, like above? thanks in advance!

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• Is there something similar to 'rake routes' in django?

  - by The MYYN

  In rails, on can show the active routes with rake (http://guides.rubyonrails.org/routing.html): $ rake routes users GET /users {:controller=>"users", :action=>"index"} formatted_users GET /users.:format {:controller=>"users", :action=>"index"} POST /users {:controller=>"users", :action=>"create"} POST /users.:format {:controller=>"users", :action=>"create"} Is there a similar tool/command for django showing the e.g. the URL pattern, the name of the pattern (if any) and the associated function in the views?

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• Are @property's necessary for Interface Builder?

  - by Rits

  In my UIViewController subclass, I have 3 UIView's with each a @property as an IBOutlet. I do not use these properties at all in my code. The views get instantiated as soon as the view controller is created and they are deallocated when the view controller is deallocated. I was thinking; can't I just remove the @property's? I did, and I could still connect my instance variables (with IBOutlet) in Interface Builder. So my question now is; is there any use for properties in combination with Interface Builder, or is it OK to leave them out? Is it required for some memory management or something? Or are they really just for use in your own code? And if I do leave them out, do I still need to release them in dealloc?

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• Weird landscape UITabBarController Application startup

  - by Stefano Verna

  Hi there. My application is quite simple, but I have some problems when it starts. I setted in the Info.plist to be landscaped, but it seems to ignore the order. In fact, when the app is loading the Simulator is landscaped, but then it returns in portrait mode. This is the hierarchy of the views and controllers: MainViewController (extends UITabBarController just to override shouldAutorotateToInterfaceOrientation:) Three extended UITableViewControllers as tabs (also those have the shouldAutorotateToInterfaceOrientation correctly setted up). If I kinda force the orientation of the device to Landscape with: [[UIDevice currentDevice] setOrientation: UIInterfaceOrientationLandscapeRight]; Then for an instant the Simulator flashes in portrait mode, and then it goes landscaped. The problem is that in this way, the auto-rotation animations gets started, which is something I cannot tollerate. I just want a fixed, landscaped application. Any clues? Am I missing something?

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• Should a service layer return view models for an MVC application?

  - by erg39

  Say you have an ASP.NET MVC project and are using a service layer, such as in this contact manager tutorial on the asp.net site: http://www.asp.net/mvc/tutorials/iteration-4-make-the-application-loosely-coupled-cs If you have viewmodels for your views, is the service layer the appropriate place to provide each viewmodel? For instance, in the service layer code sample there is a method public IEnumerable<Contact> ListContacts() { return _repository.ListContacts(); } If instead you wanted a IEnumerable, should it go in the service layer, or is there somewhere else that is the "correct" place? Perhaps more appropriately, if you have a separate viewmodel for each view associated with ContactController, should ContactManagerService have a separate method to return each viewmodel?

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• UINavigation controller problem

  - by VansFannel

  Hello. I'm developing an iPhone application and I'm trying to do this: I want an application with tree views. The view shown first, doesn't have a navigation bar. If the user tap on a button, I need to open the second view with a navigation bar and a table view. The user can also add new items to the table view. If the user do so, the application will show the third view where the user can add fields (this view has also a navigation bar). It may seem simple, but for me it is not. I don't know how to use the UINavigationController and have not found yet a similar example for what I do (paragraph translated by google). UPDATE I don't know how where to put UINavigationController. How can I do that? Can I use a UIViewController to call a UINavigationController? Thank you.

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• Waiting for a background operation to complete

  - by JohnHenry

  I have been suffering from the all too common 'Waiting for a background operation to complete...' message in Visual Studio 2012 (Professional) for a while now but it has been fairly sporadic. Lately though, I am really struggling to use Visual Studio as pretty much whenever i try and do anything with any Razor views (mostly clicking to move the cursor) visual studio hangs and the above message appears for about a minute at a time. (If when its finished doing stuff i then click in the view again, the process repeats, and repeats, and repeats.....) I have searched high and low, and read loads of articles regarding this and peoples suggestions and tried changing indentation settings, resetting settings, etc but none have worked. Has anyone come across something else that may work as this is seriously impeding my ability to use visual studio and sadly provoking much cursing.

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• date picker in two different browsers

  - by Renu123

  Hello, i am workin on asp.net mvc in that i using partial views. i got one proble ie date picker is working properly on IE but it is not working on Mozilla Firefox. the i have used is: <link href="<%=ResolveClientUrl("~/Scripts/Themes/ui-lightness/jquery-ui-1.7.2.custom.css")%>" rel="stylesheet" type="text/css" /> <script src="../Scripts/jquery-1.3.2.js" type="text/javascript"></script> <script src="../Scripts/ui.core.js" type="text/javascript"></script> <script src="../Scripts/ui.datepicker.js" type="text/javascript"></script> and the function on view page is: <script type="text/javascript"> $(document).ready(function() { $("#txtTransationDate").datepicker(); }); </script> <input id="txtTransationDate" name="txtTransationDate" type="text" /> please advice me for it. Thank in advance.

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• PHP/codeigniter - use of exit()

  - by Patrick

  I have a few pages that require login, so all controllers that link to these pages start with $this->checkSession(); //...rest of the code CheckSession should verify the session is still live, otherwise display a message and stop the execution of the rest of the code in the controller: function checkSession() { if (!$this->session->userdata('is_logged_in')) { //the session has expired! $data['main'] = 'confirmation_message'; $data['title'] = "Session expired"; $this->load->vars($data); $this->load->view('template'); exit(); } } . I was expecting these instructions to happen in sequence, but I only get a blank page. How can I make sure exit() gets executed only after all views are loaded?

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• Django: How do I go about changing my simple app to use Ajax?

  - by swisstony

  I currently have a web page where the user enters some data and then clicks a submit button. I process the data in views.py and then use the same Django template to return and display the original data and the results. What I would like to do is try to give it a bit more of a modern look and feel. You know the sort of thing, the page doesn't refresh but displays a spinning disk until the results are displayed. I assume this means using Ajax? How difficult is it to modify a simple app like this to use Ajax? What is involved? What are the best tools to use? JQuery?

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• Backbone.js routing without changing url

  - by louism

  I am migrating a single-page web application based on Backbone.js and jQuery to a Chrome extension. However, neither the pushState nor the hashbang-based router modes seem to play well with the environment within the extension. I've come to the conclusion that I'm better off just directly rendering views on user interactions, bypassing the window.location system altogether. However, I'm not too sure how to implement this without changing calls to Router.navigate in dozens of files. Is there a pluggable/modular way to keep the Backbone routing system but bypass any changes to the url?

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• Open source alternative to Sharepoint lists

  - by Thomas

  Sharepoint's lists functionality is powerful. Because I don't want all the other functionality of Sharepoint, I have been looking for an alternative (preferrable open source) without much success. Basically I want to have a platform or web application that: allows us to define custom datatypes (for different kinds of customer products) has the possibility to create views or forms to present to the user for reading, creating or updating the information of the items of a given datatype a ui to setup this configuration is not required but would be nice to have In an ideal scenario there is an API to get the data out afterwards for further processing.

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• Create dynamic view with android

  - by ekevin

  Hi I'm stuck on a problem and if possible I will need help from the community. I'm not looking for a ready-made solution, but something which would help me to produce the result. I'm looking for a way to produce a dynamic activity based on a JSON object. Here an example of a JSON object: [ { "name": "my checkbox name", "type": "checkbox", "value": "one,two,three" } { "name": "my edit text", "type": "text", "value": "" } ...] This JSONObject could be totally random. I could have 2 text views, 3 select menus, 1 text view and so on. The goal is to iterate over this JSONObject and create the appropriate elements within my android code. To produce the result I've thought of a simple switch which would render one by one my different JSONObject to an android widget. But after that how could I have access of every property of every widget rendered? Thank you.

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• How to find the right object in a Rails controller based on two variables?

  - by sscirrus

  Hi everyone, I have a three-table system: Companies, Customers, and Matches. The matches include, for example, private notes that each party makes about the other and some options they can set regarding the other. I have two sets of views centered around Companies and Customers for each party to look at the other and modify their notes and settings. # Customers Controller def show @customer = Customer.find(params[:customer]) @matchings = @candidate.matchings.find... @company = Company.find(params[:company]) end Obviously the @matchings is incomplete. Given that @matchings has fields customer_id and company_id, how do I find the right matching record? Thank you!

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• Serving images from Amazon S3 in PHP application

  - by luckytaxi

  So it just occurred to me that once I upload profile pics to S3, I have to figure out a way to keep track of the files. For example, if "susan" uploads 3 profile pics, I need to recall those 3 pictures and display it on her profile page if someone views her page. With that said, would the following work? User uploads picture from form Save file information (filename, user info, etc...) into DB and reference URL from S3 Upload photos to S3 When displaying pictures, I'll query the DB for the info and display the images from S3 accordingly.

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• How can I implement lazy loading on a page with 500+ images?

  - by Fedor

  I basically have a booking engine unit results page which must show 40 units and per each unit there's 1 large image of the first thumbnail and an X number of accompanying thumbnail images. I've been using the jquery lazy load plugin, but it's not thorough enough ( I'm invoking it on DOM Ready ), plus it doesn't really work in IE ( 50% of the clients use IE so it's a big issue ). What I think I really need to do is not really spit out the image but a fake element such as a span, and possibly modify my code such that if the user views the span, render it into an image element. <span src="/images/foo.gif"> The booking engine relies on JS so I think I might be forced to just rely on ajaxifying all the thumbnails and have event handlers on window scroll, etc in order for the page to be "usable" and load at an average time ( 2-3 seconds instead of 5-30s on high speed DSL/Cable ). I'd appreciate any examples or ideas.

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• Does MVCScriptManager from CodePlex work with ViewUserControls?

  - by RonnBlack

  I tried the MVCScriptManager from CodePlex and it seems to work well until you try to use it in conjunction with a ViewUserControl. When it is used in this type of scenario it gives the following error. A ScriptManager with RenderMode set to Master is not present. Such ScriptManager must precede one with RenderMode set to Slave. There is a ScriptManager with render mode set to "Master" in the header of the Site.Master page but it appears that the partial views are rendered first. Is there any way to work around this problem?

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• How to control a webView

  - by klaus-vlad

  Hi, In one of my xml layouts I use an webview (besides other TextViews) for which I call loadUrl("myURL") to display the content from a url. The desired effect is to have displayed in a screen all the other textViews , and below them the content of web page. However when the webview loads the URL , it starts a new activity and displays the content in that activity, which is not what I need. Any ideas on how I could force the described behavior ? Later edit: I have succeed to have layout with several views mixed, one of them being the webview .Also I have succeed to obtain the described above behavior. But only after I setted a WebView client with setWebViewClient(WebViewClient); . Now I'd like to know why does it work like this only after a webViewClient is set ?

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• best way to build iphone settings screen

  - by Christian Schlensker

  I'm building a settings screen for an iPhone app and it is supposed to resemble a grouped table view. Each "cell" should behave like a button. Most cells just have a image view, label view, and disclosure indicator. One will display a value in addition to a label. All of these buttons will present a new view when tapped. Now, how to implement this? I was considering just laying out a set of buttons with custom background images, or would it be best to just use a table view. If that's the case what should it be implemented. So far I've only used table views to display some kind of dynamic data in which each cell displayed the same basic detail view. I'm most curious to figure out how to setup cellForRowAtIndexPath. Would this contain some sort of switch statement to configure each cell individually, or is there an easier way to handle all this?

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• How can I use a prefix for the fields in my strongly typed View?

  - by deadtime

  Hi, I have an EditProfile action in my PersonController, that finds a Person object by ID and does return View(person). The EditProfile view has a bunch of fields that should be filled in with the information from the Person object. One of the fields is named "Person.FirstName", and is not filled in automatically when the View is rendered. However, if I rename the textbox to "FirstName", it gets filled in. My question is: How can I specify to the view that it should use the "Person" prefix when filling in the information from the Person object? The reason I want to do this is because of consistency - in some of my views I allow the user to edit more than one object at the same time, and use prefixes in order to bind these correctly.

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• How to extract messages to translate from a Play! application

  - by Martin

  I'm writing my first application using the Play! framework and I was wondering if there was a tool that could extract the messages that need translation from my views and controllers for me ? It is rather cumbersome to fill the conf/messages(.xx) file while I'm developing my app, but I'm afraid that if I don't do it as I go, I will never be able to completely translate my application afterwards. Such tools exist with other framework such as CakePHP for instance, and I think that it shouldn't be hard to write one by myself, but if there already is one... I was also wondering, what should I name the keys of the messages in my application ? Using gettext, it's not bad practice to directly type in the message in english as the key, but is it with the system that Play! uses (MessageFormat, right ?) ? Does anyone have an advice or naming convention (something like controller.action.describe_the_message maybe) ? Thank you for your advices !

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• ValidateRequest="false" doesn't work when posting HTML values

  - by Ivan90

  I am developing a personal blog in ASP.NET MVC 1.0. This blog application has Views like "Insert Post", "Edit Post", etc. I need to post a string containing HTML back to the appropriate controller method. That HTML value is being posted from a textarea. I've read that it's necessary to disable ValidateRequest directly on the page with the attribute ValidateRequest = "false" or in the web.config file. When I insert an HTML value in my textarea, I get always the error of 'potential value dangerous'. How can I use ValidateRequest to allow the form element containing HTML values to be posted?

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• Why are awkward numbers and letters in my query string??

  - by Nicole

  Hi everyone!! I have a MVC website and when I execute it, the query string (url) that appears is: http://localhost:6970/(S(51aegi45qneolxa0oxwuzh55))/default.aspx what the hell is that strange combination of numbers and letters??? please help!!!!! previously i had been working with the session expires to redirect to one of my views, could be something of that?? i have added the following action filter: public override void OnActionExecuting(ActionExecutingContext filterContext) { HttpContextBase ctx = filterContext.HttpContext; // check if session is supported if (ctx.Session != null) { // check if a new session id was generated if (ctx.Session.IsNewSession) { // If it says it is a new session, but an existing cookie exists, then it must // have timed out string sessionCookie = ctx.Request.Headers["Cookie"]; if ((null != sessionCookie) && (sessionCookie.IndexOf("ASP.NET_SessionId") >= 0)) { filterContext.HttpContext.Response.Redirect("~/Error/SesionExpirada", true); } } } base.OnActionExecuting(filterContext); } but if I put it in ignore it stills add that rare thing to my urls. Please help!!! thanks

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