Pod lib lint verification reported an error.pod –version 1.3.1unknown: Encountered an unknown error (/usr/bin/xcrun simctl list -j devices xcrun: error: unable to find utility “simctl”, not a developer tool or in PATH) during validation. Podspec file The reason is that xcode simulator cannot find the error report. The solution is:Gets the Xcode path. To obtain ..
Tag : Swift
A monitoring program written by Golang, that is, running on the terminal and outputting logs continuously.Now we need to develop an application program on Mac, the function is very simple, a button, a textarea, click the button is to start the compiled executable file, and then display the output log in the text box.It’s probably ..
I am now a demo, which saves the camera data as a h.264 video data file, ready to be implemented by swift.After searching the data, we found the relevant interface for swift to obtain the camera data, but we did not find the interface for encoding the camera data. After searching, ios hard-coded interface is ..
Is there a library for pixel processing in iOS system library? For example, in a picture, remove some color? You need to go to git to find this. did you write it..
Why is RAC characterized by functional programming and responsive programming?RAC’s responsive programming features are probably understandable. How does its functional programming feature manifest itself? ? Is there any relationship between these programming concepts? It would be even better to have a mind map corresponding to you! ! (Functional Programming, Object-Oriented Programming, Process-Oriented Programming, Response Programming, ..
I am doing a function of pull-up and refresh. I am looking at examples written by others.ScrollViewDidEndDragging uses this method to monitor whether to continue the next operation when the hand is released.NSLog(@”%f”,scrollView.contentOffset.y);NSLog(@”%f”,scrollView.frame.size.height);NSLog(@”%f”,scrollView.contentSize.height);Interpretation conditionsif (scrollView.contentOffset.y + scrollView.frame.size.height >= scrollView.contentSize.height) {[code]}Why is this judgment condition like this? What is the relationship between these three variables? The ..
Swift, who has not studied oc and has studied directly, wants to use swift and html5 to realize a simple app example to learn how they are organized together. They have not found it on the Internet, including github.com. I don’t know if the search method is wrong. I hope you can recommend it. Thank ..
How can a socket.io be realized when the user is disconnected from the internet, the user leaves the app, the network is unstable, etc. after reading a lot of articles on the internet, no perfect and exact solution can be found. Please coordinate a user identification with the server side. Each time when the connection ..
I found myself looking at the source code with low efficiency. How does everyone read the source code? Share your experience! Fully understand what open source libraries/frameworks you are looking at What does this product do, what are the commonly used modules, what are the commonly used APIs for each module, what are the calling ..
Ios side code: let image = goodPhoto[0] let imageData = UIImageJPEGRepresentation(image, Constants.goodPhotoCompressionQuality) if let imageData = imageData { uploadGoodPhotoWithImageData(imageData) bracket func uploadGoodPhotoWithImageData(imageData: NSData) { let header: [String : String] = [ “Authorization”: “Bearer \(Provider.readToken())” bracket let name = “good” let filename = “good.jpg” Alamofire.upload (.post, urlstring.uploadurlstr plus “/good”, headers: nil, multipartFormData: { multipartFormData in multipartFormData.appendBodyPart(data: ..
There are many chess players here. I just want to do a local mobile phone game like chess, with backstage, with html5 or with what? Learning and doing from 0 Not much. The place is like chess. Let’s have another Gobang game. You can play it on your mobile phone. You can also play against ..
Do you want to do a sign-in function to the designated place and locate through wifi, do you have any better plans or opinions?Please give some advice from experienced Daniel My former company worked with Huawei, Cisco and ibecon for several years, only to get an error of 3-5 meters. The investment is still very ..