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  • Erb with Sinatra in ruby

    - by JP
    So I have a webserver I've built using sinatra, the meat of which goes like this: set :variable,"value" get '/' do erb :index end And, of course, the template in views/index.erb which looks something like this: <html> <!-- etc --> <ul> <% my_array.each do |thing| %> <%="Something: #{thing}, variable from sinatra: #{settings.variable}"%> <% end %> </ul> </html> If you try running code like this you'll notice that you can't access sinatra's settings variable from inside erb templates. Any ideas how I can achieve this while keeping its simplicity? Thanks in advance!

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  • TableView as DetailView's subview with a UISplitViewController?

    - by Gerry
    I have a UISplitViewController, I used the iPad template to start. To change the type of view in the detailview area, I'm adding my view types as subviews to the DetailViewController's view. This works for UIViewController derived views, but not for UITableViewController view types?. Why would this be? My problem is rooted in the fact that the manufactured DetailView is the UISplitViewController's delegate. To get the correct popover behaviour, I'd like to keep it add buttons to its toolbar and then based on user selection open different details when master list selections are made. Thanks,

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  • Inform Activity from a BroadcastReceiver ONLY if it is in the foreground

    - by Zordid
    Hi there! Maybe it's easy, but I couldn't really figure this out right so far... I got a BroadcastReceiver waiting to get triggered by the AlarmMangager - this works fine. Now: because the event, if it occurs, needs to refresh some elements on screen of the main Activity, I would like to send an Intent from that background BroadcastReceiver to my Activity - but only if it is currently in the foreground, aka active. If it is not running or not visible, I don't care - and the last thing I want to do is start the Activity by my intent! I handle repainting of the views in my onResume method, so I don't care at all. Any hints on how to do that? Thanks! EDIT: my BroadcastReceiver is waiting for alarms that must be notified to the user. So, it must be there and declared in the manifest. The problem is: it will have to decide whether the mentioned Activity is currently up in front or not.

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  • Pushing a ABUnknownPersonViewController onto a navigation controller results in having no Navigation

    - by dermdaly
    Hi There, I'm working with the Address Book UI API on iPhone SDK 3.0. I want to present to the user the ability to create a new user, or add to an existing one, so I am using the ABUnknownPersonViewController. I have an existing navigation stack (with only 2 other views on it). Trouble is when I push the ABUnknownPersonViewController onto it, it shows up animated, etc. But there is no navigation bar, so no way to cancel. My code snippet is as follows newPersonViewController = [[ABUnknownPersonViewController alloc] init]; newPersonViewController.unknownPersonViewDelegate = self; newPersonViewController.displayedPerson = person; newPersonViewController.allowsAddingToAddressBook = YES; newPersonViewController.allowsActions = NO; [[self navigationController] pushViewController:newPersonViewController animated:YES]; Note: the current view controller does have a title, so that's not the issue. Any ideas what I am missing?

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  • Using XML to generate SAP ABAP and/or SAPScript?

    - by Rob
    Has anyone got examples and/or experience of generating SAP ABAP or SAPScript form code from XML that came from an external application? This would help: creation of SAP-based applications in a data-driven way by automating the knowledge to do so from the export of XML from an external application automated inputting of knowledge from an external application into SAP applications, rather than manually copying between systems enable 3rd-party external tools to be used to create data, perhaps in a more easier-to-use way than could be done in SAP. Or if there was already heavy investment in training with these third party tools rather than SAP, or if the employment market favoured staff with knowledge of these tools enable creation of data for multiple purposes, views: those in SAP and outside SAP. enable inter-operability of SAP with 3rd-party external tools I'm looking for: - experiences as to the feasibility - tools, e.g. parsers, XSLT etc. - examples

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  • MKMapView within UITableView

    - by john-london
    I have a MKMapView within a UITableviewCell and I want to be able to disable scrolling of the table view when the user starts to drag within the map view. My plan had been to override the MKMapView touchesBegan/Moved etc methods and if they were called to then disable scrolling in the parent view. Scrolling in the parent view would be enabled again only when the touches in the MKMapView ended or were cancelled. My problem is that the touchesBegan/Moved methods inside MKMapView are not called - the problem is also discussed here: stackoverflow discussion. My table view is within a tab control, so I don't think I can extend UIWindow the way they describe, as there are several views that could be within the window, depending on which tab is active. How can I access the MKMapView touch events please?

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  • ASP.Net MVC view unable to see HtmlHelper extension method

    - by larryq
    Hi everyone, We're going through an ASP.Net MVC book and are having trouble with using an extenstion method within our view. The Extension method looks like this: using System; using System.Runtime.CompilerServices; using System.Web.Mvc; namespace MvcBookApplication { public static class HtmlHelperExtensions { public static string JQueryGenerator(this HtmlHelper htmlHelper, string formName, object model); } } We use the extension method in our view like this: <%=Html.JQueryGenerator("createmessage", ViewData.Model)%> The problem is, that line of code says JQueryGenerator isn't a recognized method of HtmlHelper. I believe we've got the correct references set in the web project, but are there other things we can check? There's no using statement for views, is there?

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  • will_paginate undefined method error - Ruby on Rails

    - by bgadoci
    I just installed the gem for will_paginate and it says that it was installed successfully. I followed all the instructions listed with the plugin and I am getting an 'undefined method `paginate' for' error. Can't find much in the way of Google search and haven't been able to fix it myself (obviously). Here is the code: PostsController def index @tag_counts = Tag.count(:group => :tag_name, :order => 'updated_at DESC', :limit => 10) @posts = Post.paginate :page => params[:page], :per_page => 50 respond_to do |format| format.html # index.html.erb format.xml { render :xml => @posts } format.json { render :json => @posts } format.atom end end /model/post.rb class Post < ActiveRecord::Base validates_presence_of :body, :title has_many :comments, :dependent => :destroy has_many :tags, :dependent => :destroy cattr_reader :per_page @@per_page = 10 end /posts/views/index.html.erb <%= will_paginate @posts %>

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  • Cannot use Html.ActionLink in asp.net mvc spark files

    - by midas06
    I'm using the spark view engine with my asp.net mvc application. In my aspx pages, I can succesfully use Html.Actionlink, but when I attempt it in spark files, it doesnt show up in intellisense, and when i try to run it anyway, i get: Dynamic view compilation failed. c:\Users\midas\Documents\Visual Studio 2008\Projects\ChurchMVC\ChurchMVC\Views\Home\Index.spark(73,25): error CS1061: 'System.Web.Mvc.HtmlHelper' does not contain a definition for 'ActionLink' and no extension method 'ActionLink' accepting a first argument of type 'System.Web.Mvc.HtmlHelper' could be found (are you missing a using directive or an assembly reference?) I do have system.web.mvc referenced, and I have added in _global.spark. None of that helps. Any ideas?

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  • multiple pivot table consolidation to another pivot table

    - by phill
    I have to SQL Server views being drawn to 2 seperate worksheets as pivot tables in an excel 2007 file. the results on worksheet1 include example data: - company_name, tickets, month, year company1, 3, 1,2009 company2, 4, 1,2009 company3, 5, 1,2009 company3, 2, 2,2009 results from worksheet2 include example data: company_name, month, year , fee company1, 1 , 2009 , 2.00 company2, 1 , 2009 , 3.00 company3, 1 , 2009 , 4.00 company3, 2 , 2009 , 2.00 I would like the results of one worksheet to be reflected onto the pivot table of another with their corresponding companies. for example in this case: - company_name, tickets, month, year, fee company1, 3, 1,2009 , 2 company2, 4, 1,2009 , 3 company3, 5, 1,2009 , 4 company3, 2, 2,2009 , 2 Is there a way to do this without vba? thanks in advance

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  • Adding a subview to UITableCellView

    - by hanno
    I want to add a subview to my UITableCellView subclass. However, non of the provided views in the class seem to be able to do exactly what I was looking for. I basically want to add my own background view, filling the whole cell. However, if I replace the backgroundView, the style from the grouped table view layout isn't displayed anymore. If I add a subview to backgroundView, the subview is not shown at all. If I add a subview to the contentView, I can't draw behind the accessory icon. What am I missing?

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  • call setListAdapter() from inside a thread

    - by Mats Hofman
    Hi, I have a problem with my ListActivity, i use a thread to show a ProgressDialog where get a list of all installed applications. I turn it into a list adapter and than i want to set the listadapter of the activity but i can't do that from the thread. I get the following error: ERROR/AndroidRuntime(14429): android.view.ViewRoot$CalledFromWrongThreadException: Only the original thread that created a view hierarchy can touch its views. new Thread() { public void run() { showList(); // the method where i get all the apps and have the setListAdapter(); method progressDialog.dismiss(); } }.start(); How do I get it so I can use the setListAdapter from inside my thread

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  • mvc presentation model best-practices

    - by Andrew Florko
    Hello, everybody How do you usually convert business objects to presentation? For example: Business object Person { Id, FirstName, LastName, Patronymic ... } should be presented as "LastName F. P. " in html layout. We use Presentation classes hierarchy to represent data ready for output from Business model. Questions: Will you keep presentation model completely separated from Business Model. For example, can strong-typed views (MVC ASP.NET) aggregate formatted business data as well as raw business objects (that leads toward <%=Html.Encode(PersonHelper.ToShort(Model.Person))% html layout injections) What architecture layer do you choose for conversion (mvc controllers that formats business data from business layer, for instance). Thank you in advance

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  • How to implement a Digg-like algorithm?

    - by Niklas
    Hi, How to implement a website with a recommendation system similar to stackoverflow/digg/reddit? I.e., users submit content and the website needs to calculate some sort of "hotness" according to how popular the item is. The flow is as follows: Users submit content Other users view and vote on the content (assume 90% of the users only views content and 10% actively votes up or down on content) New content is continuously submitted How do I implement an algorithm that calculates the "hotness" of a submitted item, preferably in real-time? Are there any best-practices or design patterns? I would assume that the algorithm takes the following into consideration: When an item was submitted When each vote was cast When the item was viewed E.g. an item that gets a constant trickle of votes would stay somewhat "hot" constantly while an item that receives a burst of votes when it is first submitted will jump to the top of the "hotness"-list but then fall down as the votes stop coming in. (I am using a MySQL+PHP but I am interested in general design patterns).

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  • Can dummy objects be simulated on iphone?

    - by Mike
    I come from 3D animation and one of the basic things all 3D software have is the ability to create dummy objects. Dummy objects can be used to groups objects that can be rotated, moved or scaled together around a specific anchor point. This is the idea of what I am asking. Obviously we can have fake dummies by using a view and put other views as subviews, but this has problems as the view receives clicks and sometimes you don't want it to do so. You cannot change the anchorpoint of a view too. So, the dummies as I ask have, at least, these properties: adjustable anchor point it is not clickable it is totally invisible (cannot be rendered). any scale, rotation and translation of a dummy are propagated to the grouped objects considering the dummy's anchor point. it is totally animatable. Can this be simulated on iPhone? Is there any object that can be created to simulate this? thanks.

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  • [iPhone] Objective-C : UIScrollView manual paging

    - by Daniel
    Hi Folks! I want to use the scrollview as something like a picker in horizontal mode. The scrollview holds up to seven subviews. Each subview represents a value. Always three views are visible and the one in the middle is the selected one. Scrollview visible at start: __ | V1 | V2 Scrollview set to view/value two: V1 | V2 | V3 Scrollview set to last value: V2 | V3 | __ The real problem I have got is the "pagingEnabled" flag. If pagingEnabled is set to YES the scrollview pages always three subviews/values instead of only one. If pagingEnabled is set to NO the scrollview does not clinch. Is there a nice solution for my problem? Thanks a lot, Dan ;)

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  • How to show validation messages in MVC?

    - by Ian Boyd
    When a user tries to click:        Save and they have entered in some invalid data, i want to notify them. This can be with methods such as: directing their attention to the thing that needs their attention with a balloon hint automatically dropping down a combo-box triggering an animation showing a modal dialog box etc What is the mechanism where a controller tells the view to show a validation message for some controls, given that different views have different notification methods? p.s. the controller doesn't know the order that controls are physically arranged in the view (e.g. LTR locale wants to notify the user in a top-down-left-to-right visual order, while RTL locale wants to notify the user in a bottom-up-right-to-left order)

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  • Determining URLs updated via a series of commit logs

    - by adamrubin
    I'm working on a project where I programmatically need to know when a URL has been changed by a developer, post or during deploy. The obvious answer may be to curl the URL one day, save the output, then curl and in x days then do a diff. That won't work in my case, as I'm only looking for changes the developer mande. If the site is a blog, new comments, user submitted photos, etc would make that curl diff useless. RoR example, using github. Let's assume I have access to the entire repository and all commit logs between iterations. Is there a way I could see that "/views/people/show.html.erb" was commited, then backtrack from there (maybe by inspecting routes.rb), to come up with the URL I can then hit via a browser?

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  • iPhone - Dismiss modal view by a UITabBarController

    - by ncohen
    Hi everyone, I've got into a very strange problem. I created my own UITabBarController to customize it and it works pretty well... except for the modal views. When I dismiss the modal view (present/dismiss from the UITabBarController) with an animation, it waits until the animation did finished and goes to the first controller of the tab bar! Why does the controller change? and how can I fix it? Thanks PS: My UITabBarController view is on the main window and has a UITabBar on it. The controllers (which are managed by the tab bar) are on the main window over the tab bar controller view with a shorter height. When I present the modal view, I bring the tab bar controller view to front.

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  • asp.net mvc: handling no-javascript

    - by Bala R
    Hello, I'm working on a asp.net mvc2 app. I have been using jquery to do various different things in all of my views. They are work from a regular browser quite well. But I'm trying to figure out a good way to get the functionality working with browsers with javascript disabled (like mobile browsers). Is there a way to define a whole different view for non javascript browsers? A specific example of what I'm trying to do is, I have a with it's onClick calling a javascript that does $.post() to a controller. What's a good way to make it, so, it works the way it works right now (doing ajax calls) with regular javascript-enabled browsers and it a also works with javascript-incapable browsers, doing a full postback ? Thanks

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  • In SQL Server Business Intelligence, why would I create a report model from an OLAP cube?

    - by ngm
    In Business Intelligence Developer Studio, I'm wondering why one would want to create a report model from an OLAP cube. As far as I understand it, OLAP cubes and report models are both business-oriented views of underlying structures (usually relational databases) that may not mean much to a business user. The cube is a multidimensional view in terms of dimensions and measures, and the report model is... well I'm not sure entirely -- is it a more business-oriented, but still essentially relational view? Anyway, in Report Builder I can connect directly to both an OLAP cube or a report model. So I don't see why, if I have an OLAP cube which already provides a business-oriented view of the data suitable for end-users, why I would then convert that to a report model and use that in Report Builder instead. I think I'm obviously missing some fundamental difference between report models and cubes -- any help appreciated!

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  • Can Castle Monorail and ASP.NET MVC coexist in the same project?

    - by Matthew
    I have a large Monorail project that we have decided we are going to move over to ASP.NET MVC. Most of the underlying system will likely be reusable, but the Controllers will of course have to be rewritten, and proabably at least some of the views. It strikes me that a low risk avenue for this is gradually convert well defined sections of the system to MVC, and perhaps as MVCContrib Portable Areas. Does anyone know if there are any non-obvious gotchas that I am likely to run into with this approach? Thanks for your input, Matthew

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  • Visual studio 2010 MVC 2 (2008 project imported) - publish fails - System.Web.Routing.RouteValueDict

    - by Maslow
    Error 7 The type 'System.Web.Routing.RouteValueDictionary' exists in both 'c:\Program Files\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.0\System.Web.dll' and 'c:\WINNT\assembly\GAC_MSIL\System.Web.Routing\3.5.0.0__31bf3856ad364e35\System.Web.Routing.dll' c:\Projects\VS\solutionfolder\projectfolder\Views\group\List.aspx 44 ProjectName The project utilizes T4MVC.tt if that is relevant. Also Visual studio 2010 ultimate. I did not upgrade the target .net framework to 4.0 because my host will not support this for ~24 hours. I have a .Tests project in the same solution that says it is targeting .net 4.0 but it still won't build even with that unloaded, same message.

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  • Android animation clipping when going between layouts

    - by Ravedave
    I have a fairly complex layout. I use a relative layout as the root and then inside of it I have a few table views and some further nesting. When I animate an imageview between these layouts my image clips. I have a background on the parent layout and the animation looks like it's going under it. I have set android:clipChildren="false" and android:clipToPadding="false" on all of the layouts. I've also set anim.setZAdjustment(Animation.ZORDER_TOP); on all of my animations. What am I doing wrong?

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  • asp.net MVC should a View-Model Encapsulate Domain-Model?

    - by Myster
    Hi all I've see a lot of MVC examples where domain-objects are passed directly to views, this will work fine if your view is simple. The common alternative is to have a view-model which has all the same properties as your domain-model + any extra properties your view may need (such as 'confirmPassword'). Before doing too much reading and before discovering AutoMapper I started creating my own variant of view-model where the domain-object (or multiple domain objects) are simply properties of the view-model. Have I done a bad thing? What problems or benefits could be derived from this approach? Under what circumstances might this way of doing things work well?

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