serialization

问题 I am using dill (advanced version of pickle) right now. I want to serialize my object, but I get this error: /usr/lib/python2.7/pickle.pyc in memoize(self, obj) 242 if self.fast: 243 return --> 244 assert id(obj) not in self.memo 245 memo_len = len(self.memo) 246 self.write(self.put(memo_len)) Can someone tell me the possibility that made this error or how can I solved this? 回答1: Without you posting a reduced version of your code, it's hard to help. However, dill has some builtin detection

问题 I'm trying to serialize/deserialize a bitmap. The answers at android how to save a bitmap - buggy code are very helpful. However, when I go to read my array: private void readObject(ObjectInputStream in) throws IOException, ClassNotFoundException { int rowBytes = in.readInt(); int height = in.readInt(); int width = in.readInt(); int bmSize = rowBytes * height; // Ends up being 398208 ByteBuffer byteBuffer = ByteBuffer.allocate(bmSize); int bytesRead = in.read(byteBuffer.array(), 0, bmSize); /

问题 I'm trying to serialize a custom object into a file. i've tried many thing but no one works, i must have missed a thing. Here's the problem. I have a singleton class i'm using to store my objects. Here is the code : using DataLibrary.Model.Tests; using System; using System.Collections.Generic; using System.IO; using System.Runtime.Serialization; using System.Xml.Serialization; using testsPsychotechniques.View; namespace testsPsychotechniques.Model { [Serializable()] public class testSaver :

问题 I want to deserialize a XML file in C# (.net 2.0). The structure of the XML is like this: <elements> <element> <id> 123 </id> <Files> <File id="887" description="Hello World!" type="PDF"> FilenameHelloWorld.pdf </File> </Files> </element> <elements> When I try to deserialize this structure in C#, I get a problem with the Filename, the value is always NULL, even how I try to code my File class. Please help me. ;-) 回答1: The following works fine for me: public class element { [XmlElement("id")]

问题 Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it's on-topic for Stack Overflow. Closed 5 years ago . I use serialization for saving the current state of my model to a file and load it maybe some minutes later. My application has nothing that deals JPA or similar technologies. It's a completely JavaSE desktop Swing Application. Serialization works quite well. Only I encountered that after the serialization the

问题 I am trying to get the array objects from movelist to be shown as <Move> when serializing the movelist. using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; using System.Collections; using System.Xml.Serialization; namespace Arbitrary.Parties.Moves { [XmlType("MoveList")] [XmlInclude(typeof(Move))] public class MoveList : IEnumerable { [XmlArrayItem(typeof(Move))] public List<Move> oMoveList = new List<Move>(); public MoveList() {

问题 Custom Class Person class Person { private Integer id; private String name; //getters and setters } Kafka Flink Connector TypeInformation<Person> info = TypeInformation.of(Person.class); TypeInformationSerializationSchema schema = new TypeInformationSerializationSchema(info, new ExecutionConfig()); DataStream<Person> input = env.addSource( new FlinkKafkaConsumer08<>("persons", schema , getKafkaProperties())); Now if I send the below json { "id" : 1, "name": Synd } through Kafka Console

问题 What should a user-defined class implements if I want to serialize it? For my case, I want to serialize a list named comment_with_vote = [] elements of which are objects defined as follows. class CommentWithVote(object): def __init__(self, comment, vote): self.comment = comment self.vote = vote # vote=1 is_up,vote=0 is_down,vote=2 no vote comment is a django model. serializers.serialize('json', comment_with_vote, ensure_ascii=False) returns AttributeError: 'CommentWithVote' object has no

问题 This question already has answers here : Deserialization backwards compatibility (5 answers) Closed 6 years ago . I have a binary file that was serialized from a class. That class has been updated. Now I need to deserialize the old file to the new class. I don't have access to the old code, but i have access to the old class. The Class was serialized using BinaryFormatter. Is there a way to do that? If not, maybe there a way to deserialize and save only the data that appears in both of the

问题 I have an object model that I want to be able to save. I am going to export it to JSON and then read it back in as JSON. Saving to JSON is easy. Just use this: JSON.stringify(this) . Loading from JSON isn't as simple. We can't just use this = JSON.parse(someJson) because the methods wont be attached. Using something like lang.mixin(this, JSON.parse(someJson)) will get the functions but objects that are Photo Class: define([...], function(...){ return declare(null, { name: ..., // String url:.