see "Swift uses capture lists to break this strong reference ring. " excerpts from:. "The Swift Programming Language Chinese version. " IBooks. ...
create two viewcontroller, the first is to make a list of table view provinces in China, and the other detail view is to display the specific content corresponding to the relevant information of each province when you click on table view s cell. The ...
let rootModel = Mapper<RootClass>().map(JSONString: jsonString); static func modelWithJSONFile(fileName:String) -> AnyObject? { let jsonString = fileName.jsonFileToJSONString(); let rootModel = Mapper<self.classForCoder()>...
how does swift add methods to the AnyObject protocol? ...
< H1 > define cellWithClassIdentifier (Class,identifier) < H1 > + (instancetype) cellWithTableView: (UITableView ) tableView identifier: (NSString ) identifier { Class * cell = [tableView dequeueReusableCellWithIdentifier:identifier]; if (! ce...
I only want to add new classes, and the corresponding viewcontroller does not have to be added to storyboard every time when I am in navigation mode, the first page is to add a tableview, and click on the name of each province in tableview cell (to ju...
App uses WKWebView to load the link. The loaded web page has a button that can be used to upload video to Qiniu. There has been no response after choosing to upload the video, but I opened this link with QQ and then uploaded the video. I found that it ca...
problem description [AVAssetWriterInput markAsFinished] Cannot call method when status is 0. the environmental background of the problems and what methods you have tried po status = 1; related codes Please paste the code text below (do not r...
I show the alertController, by clicking a button in a view, but it is obscured by the view. How can I make the alert prompt box appear at the front? -sharp-sharp-sharp problem description the environmental background of the problems and what methods y...
A private method is used to get the corresponding accessorBar, and then hide it var = accessory=subviewOfInputSetHostView.performSelector(Selector("placeheldView")).takeRetainedValue() How to write this sentence in OC? Ask the great god f...
want to do a function like Wechat and qq that allows users to set whether the notification message prompts sound, vibrates, and displays the details of the message. How should it be implemented? ...
I know that the OAuth2.0 protocol receives code, from the client and uses code in exchange for token and openID in the background, but I don t quite understand. When you see QQ logging into these third-party api, you can directly obtain token and openI...
Special characters are restricted 24 CAN ...
I have several questions to ask for help Press the button when coming, and the screen will display "XXX tone connection " as follows https: imgur.com bw5l6pY then start to calculate the call time now I want him to stay in the XXX connectio...
the OC project cocoapods has installed a Swift library, how to call it? ...
problem description do you need to judge the system version number when introducing the header file library? our app supports iOS8.0 at a minimum. I now need to use a library that is only available in iOS9.0. In this case, do you need to judge the sy...
there are two input input boxes on the rt: page. When the input method is called on the iphone, the page will be topped up, how to set it up so as not to be topped. look up some solutions on the Internet, all with an input box at the bottom of the page,...
WKWebView failed to load picture [loadHTMLString:content baseURL:nil], when using this code to load dddddd ...
want to achieve an effect, such as album APP, select photos, long press to select multiple photos, when the gesture slides to the bottom of the screen, the view will automatically scroll up to allow users to select more pictures, how should this functio...
as detailed in the title: in my impression, iOS loads h5 content and loads an h5 page directly, and the final result is that the content displayed on a page is displayed directly on the h5 page, so why do you still need to get the height of h5 content?...
I m going to send a cross-domain request. I also wrote the proxy service, but I made a mistake. Ask the boss to take a look at this is the interface address: http: 47.93.48.135:8086 api slide?slide_id=1. This is my request getLiveList () {. ...
[ubuntu_14_0405] read "do-it-yourself docker ", Chapter 1.1.6 encountered a problem. 1, install dockercurl-sSL https: get.docker.com on your own machine | sh 2, pull the WordPress image from DockerHub docker run-d-p 80:80-- name wordpress wordp...
VScodevue-cliimagesrcsrc ...
the problem scenario is as follows: I used git rebase-I to merge multiple commit into a single commit, but now I don t want to merge, can I go back to the state before the merge? ...
Why can the private property $pri? of the parent class be called <?php class father { public $pub= public ; private $pri= private ; protected $pro= protected ; public function getpri(){ echo $this->pri; echo $this->pro; ...