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Tag: call

iPhone – UisearchDisplayController – Click on the overlay, method call?

Is there a delegate method that will be called when the user clicks on the dark overlay, which will basically remove the first responder status from the UISearchDisplayController? (I can’t find one

September 23, 2021By Simo iPhone call, click, iPhone, method, superposition, UisearchDisplayControllerLeave a Comment

iPhone – Add multiple buttons to the view to the view, call the same method, determine which button it is

I want to programmatically add multiple UIButtons to the view-unknown number of buttons at compile time.

I can make one or more like this UIButton (in a loop, but shortened for simplicity):

September 23, 2021By Simo iPhone Add, buttons, call, determination, iPhone, method, multiple, programming, the same, view, way, whichLeave a Comment

iPad – UIDeviceorientationDidChangeNotification

I added an observer for UIDeviceOrientationDidChangeNotification, and the observer’s selector is orientationChanged: My app only supports left and right landscapes. If you rotate the iPad like turn

September 23, 2021By Simo Ipad accident, call, iPad, UIDeviceorientationDidchangeNotificationLeave a Comment

IPHONE – Do you have any performance loss when you call UIGRAPHICSGETCURRENTCONTEXT?

I am building a UIView with a custom drawRect function. This is a fairly complex view that requires drawing many different items. I basically break it down into each need to be drawn A function of

September 23, 2021By Simo iPhone Any, call, iPhone, loss, performance, repetition, time, uigraphicsgetcurrentcontext, whetherLeave a Comment

iPad – WillrotateTointerfaceorientation is not called on iOS8

I used the VFR PDF viewer library in my application, so I made this point:

ReaderDocument *document = [ReaderDocument withDocumentFilePath:pdfFile password:nil];
ReaderViewController *vc = [[

September 22, 2021By Simo Ipad call, IOS, iOS8, iPad, no, WillrotatetointerfaceorientationLeave a Comment

iPad – WillrotateTointerfaceorientation does not call from the presentation of ViewController

I use this configured uiviewcontroller on the ipad:

shouldAutorotate(true)
supportedInterfaceOrientations(UIInterfaceOrientationMaskAll)
and in willRotateToInterfaceOrientation Perform some t

September 22, 2021By Simo Ipad call, iPad, middle, no, rendering, viewcontroller, WillrotatetointerfaceorientationLeave a Comment

Mono a function for each updated row in PostgreSQL

I have a sql UPDATE statement in the plpgsql function. I now want to call the pg_notify function for each updated row, and am not sure if my solution is the best possibility.

I don’t know whe

September 21, 2021By Simo Postgresql call, each, function, in, one, PostgreSQL, Row, updatedLeave a Comment

.NET – When using the default constructor instantiated class, do it also call the base class constructor?

Does anyone know what C# behaves? Are all .NET languages ​​the same? Yes-if you do not explicitly call the base class constructor, it will be in any constructor in the derived class This happens

August 22, 2021By Simo Software Design base, call, chemical, class, construct, constructing, default, function, functions, inherit, instance, time, Using, whetherLeave a Comment

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