Tutorial by Topics: control

For loops are a flow control method for repeating a task or set of tasks over a domain. The core structure of a for loop is for ( [index] in [domain]){ [body] } Where [index] is a name takes exactly one value of [domain] over each iteration of the loop. [domain] is a vector of values ...
Model–view–controller (MVC) is an architectural pattern in software design, not a design pattern, which describes a way to structure our application and the responsibilities and interactions for each part in that structure. [1] Historically, MVC was first described in 1979 by Trygve Reenskaug as ...
UISearchController(searchResultsController: UIViewController?) // Pass nil as the parameter if the search updating controller also displays the searchable content. func updateSearchResults(for searchController: UISearchController) // Required method to implement when adopting the UISearchResults...
Action Controller is the C in MVC. After the router has determined which controller to use for a request, the controller is responsible for making sense of the request and producing the output. The controller will receive the request, fetch or save data from a model and use a view to create output....
Parameter NameDescriptionactivityItemsContains array of object to perform the activity. This array must not be nil and must contain at least one object.applicationActivitiesAn array of UIActivity objects representing the custom services that your application supports. This parameter can be nil. ...
UIImagePickerController provides an almost out of the box solution to allow the user to select an image from their device or take a picture with the camera and then present that image. By conforming to the UIImagePickerControllerDelegate, you can create logic that specifies in your app how to presen...
UIPageViewController provides users the ability to easily transition between several views by using a swipe gesture. In order to create a UIPageViewController, you must implement the UIPageViewControllerDataSource methods. These include methods to return both the UIPageViewController before and afte...
Cross-origin resource sharing is designed to allow dynamic requests between domains, often using techniques such as AJAX. While the scripting does most of the work, the HTTP server must support the request using the correct headers.
Controllers (the C in MVC) are the principal objects in your Sails application that are responsible for responding to requests from a web browser, mobile application or any other system capable of communicating with a server. They often act as a middleman between your models and views. For many ap...
-A, -B and -C options are not available in POSIX (see the POSIX specifications for grep).
Using the SWRevealViewController class as the main navigation might not always result in the best user experience. If the sidebar contains only 5 or less entries (or the content can be compressed into 5 or less entries), you should consider using the default tab bar. The tab bar is intuitive and ...

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