Questions tagged [presentation-layer]
80 questions
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Swift macOS - -[_SwiftValue objCType]: unrecognized selector sent to instance
Here is a truncated version of the error:
2018-09-30 16:11:12.786201-0700 MacPlayground[57283:3255328] -[_SwiftValue objCType]: unrecognized selector sent to instance 0x6040004464e0
2018-09-30 16:11:12.786610-0700 MacPlayground[57283:3255328]…

jeremyabannister
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Should I try to put asp control events into the BLL?
I have recently been learning about Data Access Layers, Business Logic Layers and Presentation Layers, but I still have a few things that aren't quite clear.
I can use the DAL and BLL with the Presentation Layer to get or set information in a…

Lucas
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querying the presentation layer of a UISlider
i am setting up a simple UISlider to animate it's progress:
[UIView animateWithDuration:songLength
delay:0.0
options:UIViewAnimationOptionRepeat|
UIViewAnimationOptionAllowUserInteraction|
…

Nir Pengas
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WPF: Control Visibility from Database / Prerender Hook
we have a rather odd requirement: The visibility of any control in our WPF-Application is to be driven by a database-table.
That means we have a table which stores the name of the element and its visiblity.
Now I am looking for an elegant way to…

Falcon
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Different input type based on data type of column in listview in wicket
I am having a list of InputColumnsVO which will have column name and column datatype attributes..I am thinking to iterate this list of input columns object using Listview and display input boxes based on the column data type.For example:
if datatype…

rajesh kumar
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What is the suggested way to show exception messages on UI which were produced in Business Layer?
Is there a pattern OR 'a best practice' on creating user's friendly messages in the presentation layer by using exceptions which were thrown from the Business Layer?
Actually in many cases I prefer to throw Application Exceptions and this is forcing…

pencilCake
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presentationLayer position property yielding bad values on iPad, no problem with iPhone
I have a game with several small objects animated using CAKeyframeAnimation. Objects animate perfectly for BOTH iPhone and iPad. However, the value of the position property of the animated CALayers' presentationLayers only yield reasonable values…

Bob Fenchel
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How to capture iPhone screen with animating UIWebview?
I've just created code for screen video capturing..its perfectly working using UIView.but if i use UIWebview than the capture screen video is displayed with stuck..I know the reason.the reason is while using web view
[[self.layer…

Sonu
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Bit order relevance to presentation formatting?
I am working on a homework problem related to presentation formatting, and I was hoping to get pointed towards the right direction. The homework problem is:
Different architectures have different conventions on bit order as
well as byte order - …

Sam Parsons
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The N-layers paradigm - is this concept wrong?
I just saw the lecture:
Breaking apart conceptions
He keeps saying that the 3 layers paradigm started because of the problem with connection pooling.
And NOT because of architectural considerations.
Seems like a mind blowing theory.
Can…

Hagai L
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Framework recommendation request: Spring, Struts, Java EE?
The last time I looked at web applications, the consensus seemed to be Struts/Java EE. Now, it looks like Spring MVC/Java EE or Struts/Java EE are both viable solutions.
Is this generally correct? Or is Spring MVC now the consensus choice over…

Jack BeNimble
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Presentation logic vs UI logic
Can anyone clarify these terms please.
I find them to be very vague or context-dependent.
For example we have a VM with the items list. The selection affects not only the accesibility of the buttons (i.e. command can execute) but also the behavior…

Pavel Voronin
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MVC design pattern for the Presentation Layer in 3 layer architecture
I currently have a web application that is based upon a 3 Tier architecture. I wish to change my Presentation layer from using Web Forms to MVC4.
Now I have done some research and from what I read I understood that the View represents the .aspx of…

Adrian Bonnici
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What are my options for a CMS that has either no presentation layer or a highly abstracted presentation layer
A little context...
One of the big downfalls of most CMS's in my opinion are tight integration of their presentation and back-end content management layers. I see Drupal, for instance, as tightly integrated. Non "free" CMS's like Alfresco can be…

gijoehosaphat
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Presentation Layer Objects
Should a Presentation Layer be split into presenting and receiving objects Or single objects that handle data in both directions?

zsharp
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