• IOS saves the picture to the album and gets an instance of the image file name


    Examples are as follows: – (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info { UIImage *image = [info objectForKey:UIImagePickerControllerOriginalImage]; if (picker.sourceType == UIImagePickerControllerSourceTypeCamera) { UIImageWriteToSavedPhotosAlbum(image,self,@selector(image:didFinishSavingWithError:contextInfo:),NULL); } } – (void)image:(UIImage*)image didFinishSavingWithError:(NSError*)error contextInfo:(void*)contextInfo { if (error) { Dlog (@ “picture save failed! “”; }else{ Dlog (@ “picture saved successfully! “”; } } This method can save pictures from other sources to […]

  • IOS sandbox image saving and reading instance


    Examples are as follows: //Save picture -(void)saveImageDocuments:(UIImage *)image{ //Get the picture UIImage *imagesave = image; NSString *path_sandox = NSHomeDirectory(); //Set the storage path of an image NSString *imagePath = [path_sandox stringByAppendingString:@”/Documents/test.png”]; //Save the image directly to the specified path (at the same time, the image path should be saved, which can be used to retrieve […]

  • How to get sandbox path and save pictures to album


    Several ways to obtain directory in iPhone sandbox: //Get sandbox home directory path NSString *homeDir = NSHomeDirectory(); //Get documents directory path NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES); NSString *docDir = [paths objectAtIndex:0]; //Get caches directory path NSArray *paths = NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES); NSString *cachesDir = [paths objectAtIndex:0]; //Get TMP directory path NSString *tmpDir = NSTemporaryDirectory(); […]

  • HTML5 canvas drawing of wechat applet and saving to system album


    Previous rendering before implementation   tips 1. The download domain name should be configured for the network picture, which can be accessed through thewx.getImageInfoTurn to temporary path; 2. I am used to using async await syntax for personal habit problems, so I need to introduce the regenerator library, which can be checked online. 1、 Encapsulate […]

  • Solve the problem of HTML auto format after saving in vscode


    The version of vscode has been updated in recent days, and the current version number is 1.43. In fact, the vscode version number does not feel any obvious change every time it is updated. It is just a daily update. This time vscode really helped me a lot. As we all know, when we write […]

  • JSP implementation of remote file download and save to the directory specified by the server


    The example of this paper describes how to download and save the remote file to the directory specified by the server by JSP. To share with you for your reference, as follows: <%@page import=”java.net.*,java.io.*”%> <%! public boolean saveUrlAs(String photoUrl, String fileName) { //This method can only use the HTTP protocol try { URL url = […]

  • Set the maximum number of instances to save checkpoints in tensorflow


    1. I don’t need to talk much nonsense, just go to the code! # Set up a RunConfig to only save checkpoints once per training cycle. run_config = tf.estimator.RunConfig(save_checkpoints_secs=1e9,keep_checkpoint_max = 10) model = tf.estimator.Estimator( model_fn=deeplab_model_focal_class_imbalance_loss_adaptive.deeplabv3_plus_model_fn, model_dir=FLAGS.model_dir, config=run_config, params={ ‘output_stride’: FLAGS.output_stride, ‘batch_size’: FLAGS.batch_size, ‘base_architecture’: FLAGS.base_architecture, ‘pre_trained_model’: FLAGS.pre_trained_model, ‘batch_norm_decay’: _BATCH_NORM_DECAY, ‘num_classes’: _NUM_CLASSES, ‘tensorboard_images_max_outputs’: FLAGS.tensorboard_images_max_outputs, ‘weight_decay’: FLAGS.weight_decay, ‘learning_rate_policy’: […]

  • How to save a picture after receiving it in Java background


    Java is an object-oriented programming language. It not only absorbs the advantages of C + + language, but also discards the concepts of multi inheritance and pointer which are difficult to understand in C + +. Therefore, Java language has two characteristics: powerful function and easy to use. As a representative of the static object-oriented […]

  • Using springboot JPA for custom saving and batch saving


    Explain Spring boot version: 2.1.4.release Java version: 1.8 JPA refers to spring boot starter data JPA. Using JPA to save a student object To save an object in JPA, only the object and a warehouse are needed.Studentdo entity class: @Getter @Setter @Entity @Table(name = “t_student”) public class StudentDO { @Id @GeneratedValue(strategy = GenerationType.IDENTITY) @Column private […]

  • What about the saving interface when a computer prints a document?


    How to save the word/excel/ppt files when the computer prints them Open the documents to be printed, excel forms, word documents, PPT slides and other office software. Here we take word as an example. Click on the File Menu – Print, and pop up the Print Dialogue. Check if the arrow points to Microsoft XPS […]

  • Python Cookie Read and Save Method


    As follows: # Save cookies to variables import urllib.request import http.cookiejar cookie = http.cookiejar.CookieJar() handler = urllib.request.HTTPCookieProcessor(cookie) opener = urllib.request.build_opener(handler) response = opener.open(‘http://flights.ctrip.com/’) for item in cookie: print(‘%s = %s’ % (item.name,item.value)) # Save cookies to files import urllib.request import http.cookiejar cookie_file = ‘E:/mypy/cookie.txt’ cookie = http.cookiejar.MozillaCookieJar(cookie_file) handler = urllib.request.HTTPCookieProcessor(cookie) opener = urllib.request.build_opener(handler) #response = […]

  • How does the browser save the password of the web account? Browser saves password tutorial automatically


    Browser saves password tutorial automatically First open the Sogou browser, and then click on the top right corner of the browser.“toolSelect click in the drop-down“option” Then a new page appears and clicks“senior“Find it on the right side.“Intelligent fill in formThen, at the same time, check“Display password save prompt“And”Automatically fill in saved forms” Two options. After […]