metadata

问题 I'm trying to duplicate this https://jmacmullin.wordpress.com/2010/11/03/adding-meta-data-to-video-in-ios/ in swift. Here is a video of Jake's code in action... Objective C Timed Metadat in HLS stream Here is an additional link to something similar... http://cloudfields.net/blog/metadata-audiostream-mpmovieplayercontroller/ When my video is playing timed metadata should update a button to redirect to a specific youtube url in a webview when clicked. My video is roughly 15 min long and has 6

问题 I am trying to set up in-app purchases but I don't know how to get rid of "Missing Metadata" shown below. The only yellow dot I see from the page is the "Localizations" section, but I completed the "Display Name" and "Description". I don't know what else I can do or what I am doing wrong. 回答1: Add any type of screenshot of the app here. Then Save and submit. It should work. 回答2: I had the same issue with a renewable subscription. Near the top of iTunes page, just below your image that says

问题 Need to extract the source of a PostgreSQL function using SQL. I am seeing this odd behavior with one of the function, all other functions (around 200+ ) work absolutely fine. When I run the following statement, it works: select prosrc from pg_proc where proname= 'accounts_count'; However when I run the following, it returns an empty string: select routine_definition from information_schema.routines where specific_name = 'accounts_count_66243' PostgreSQL version 8.3. I have tried using both

问题 I am trying to find out if there is a way to set media metadata (mainly ID3 such as artist, album, song, ...) on an anudio file in Android. I have noticed that it is possible to retrieve such information using MediaMetadataRetriever but cannot find out a way to set it. Can you please help? Is it possible? 回答1: You could use the DataStorage to get a File-Object from the MP3-File you want to edit and then use a ID3-Tag Library like Jaudiotagger to edit the ID3-Tags. 回答2: From the CLI, you can

问题 This question already has answers here : Accessing mp3 Meta-Data with Python (16 answers) Closed 6 years ago . Supposing I wanted to see the Artist Name? Or add BPM information? What Python tools could I go about doing this? 回答1: There's a module called Python-ID3 that does exactly this. If you're on a Debian/Ubuntu box, its package name is python-id3 and there is example code on its website: from ID3 import * try: id3info = ID3('/some/file/moxy.mp3') print id3info id3info['TITLE'] = "Green

问题 I have a Java function called testForNull public static void testForNull(Object obj) { if (obj == null) { System.out.println("Object is null"); } } I use it to test multiple objects to ensure they are not null. But, I am unable to tell the name of the variable that way. For eg. if I say testForNull(x); testForNull(y); testForNull(z); I cannot tell which of the three lines caused the "Object is null" output. Of course, I can simply add another parameter to the function and have something like

问题 I want to read image metadata from a single file. I tried the following code: http://johnbokma.com/java/obtaining-image-metadata.html When I run it, I get build successful but nothing happens. public class Metadata { public static void main(String[] args) { Metadata meta = new Metadata(); int length = args.length; for ( int i = 0; i < length; i++ ) meta.readAndDisplayMetadata( args[i] ); } void readAndDisplayMetadata( String fileName ) { try { File file = new File( fileName );

问题 I want to create some own metadata for my dart codem, e.g. @table, @column, but I can't find any useful documents about it. But I do found there are some special metadata (e.g. NgController) in angular.dart: https://github.com/angular/angular.dart/blob/master/demo/todo/web/todo.dart#L52 How to create my own metadata in Dart? Is there any documents? 回答1: Dart supports metadata which is used to attach user defined annotations to program structures. Metadata consists of a series of annotations,

问题 In Python, is it possible to add custom property/metadata to a file? For example, I need to add "FileInfo" as a new property of the file. I need a method that works on various file formats 回答1: You can make use of extended file attributes which is a filesystem feature that do just what you want: store custom metadata along files. In Python, this is implemented by the os module through setxattr() and getxattr() functions. import os os.setxattr('foo.txt', 'user.bar', b'baz') os.getxattr('foo

问题 One of git's unavoidable quirks is its inability to store and retrieve metadata about a file. For example, on the mac, labels are stored with "extended attributes" (accessible with xattr ), and any checkout/reset/merge/pull command will erase those attributes if the file is affected by the checkout. I've looked around to see if someone has written metadata-saving scripts already, but I came up dry. So what I'd like to do is use Git's hook system to: Read extended attributes when files are