explicit serialVersionUID considered harmful?

It seems to me that explicitly specifying serialVersionUID for new classes is bad. Consider the two cases of not changing it when layout has it should have been changed and changing it when it...

Deserialize JSON into C# dynamic object?

Is there a way to deserialize JSON content into a C# dynamic type? It would be nice to skip creating a bunch of classes in order to use the DataContractJsonSerializer.

How to saveHTML of DOMDocument without HTML wrapper?

I'm the function below, I'm struggling to output the DOMDocument without it appending the XML, HTML, body and p tag wrappers before the output of the content. The suggested...

converting Java bitmap to byte array

Bitmap bmp = intent.getExtras().get("data"); int size = bmp.getRowBytes() * bmp.getHeight(); ByteBuffer b = ByteBuffer.allocate(size); bmp.copyPixelsToBuffer(b); byte[] bytes =...

Deserialize JSON to anonymous object

In C#, I am have successfully serialized an anonymous object into JSON by use of code like this... var obj = new { Amount = 108, Message = "Hello" }; JavaScriptSerializer serializer = new...

Can I store RegExp and Function in JSON?

Given a block like this: var foo = { "regexp": /^http:\/\//, "fun": function() {}, } What is a proper way to store it in JSON?

Serializing/deserializing with memory stream

I'm having an issue with serializing using memory stream. Here is my code: /// <summary> /// serializes the given object into memory stream /// </summary> /// <param name="objectType">the object...

BadParcelableException: ClassNotFoundException when unmarshalling

I'm pretty new to Serializable and Parcelable. I'm having a hard time passing an instance of this object from an application to a remote service: public class Event implements Parcelable,...

Passing data through intent using Serializable

I've implemented my class with serializable, but it still didn't work. This is my class: package com.ursabyte.thumbnail; import java.io.Serializable; import android.graphics.Bitmap; public...

How to ignore @JsonProperty when Serialization in Java

json string when deserialization {"rCode":"1234"} deserialize to Account public class Account { @JsonProperty("rCode") private String reasonCode; } but, when serialize Account to...

django rest framework lookup_field through OneToOneField

https://gist.github.com/ranman/3d97ea9054c984bca75e Desired Behavior User lookup happens by the username: /api/users/randall Speaker lookup happens by the username as well:...

Login Using hibernate to retrieve Username and Password

I want to have a login page that uses hibernate to retrieve the userName and password from mySQL database. my code is as below For my HTML page i have a form that uses the method get. form...

Django REST Framework -- How to resolve ForeignKey to Actual Value, not index?

I have a model such as: class Job(models.Model): build = models.ForeignKey(Build, on_delete=models.PROTECT) name = models.CharField(blank=True, null=True) and a view: class...

Conditional insert with Spring JPA / Hibernate

I'm working on a project that runs in a clustered environment, where there are many nodes and a single database. The project uses Spring-data-JPA (1.9.0) and Hibernate (5.0.1). I'm having trouble...

Tomcat Warning : Cannot serialize session attribute ServletRequestAttributes.DESTRUCTION_CALLBACK.SearchService

Should I implement Serializable Interface to resolve the issue? Error Log : 05-May-2016 10:34:16.644...

Spring Session Redis serializer SerializationException

In an attempt to externalize tomcat session for my existing application I am trying the Spring Session Redis solution. After following the steps to include necessary dependencies in pom.xml like...

.NET Core Identity Server 4 Authentication VS Identity Authentication

I'm trying to understand the proper way to do authentication in ASP.NET Core. I've looked at several Resource (Most of which are out...

.NET Core: Remove null fields from API JSON response

On a global level in .NET Core 1.0 (all API responses), how can I configure Startup.cs so that null fields are removed/ignored in JSON responses? Using Newtonsoft.Json, you can apply the following...

Spring Kafka The class is not in the trusted packages

In my Spring Boot/Kafka application before the library update, I used the following class org.telegram.telegrambots.api.objects.Update in order to post messages to the Kafka topic. Right now I use...

How to check if value is enum?

I would like to check if a value in dart is an Enum, and if so, serialize it automatically. My sticking point is how to test if a value is an enum. This is how I am testing for other types if (T...

Unity - A scripted object has a different serialization layout when loading error

The game has run on my iPhone 8 Plus before, and it has worked with no issues up until now. Now I get the following output in Xcode during the app's runtime: 2019-03-25 02:16:01.659981+0000...

how to apply authentication for different types of users with passport.js

I'm using passport.js in my app for authentication(local). I have two types of user - User and Admin. Both has passport-local-mongoose plugged in. Authentication for User was working fine. Then I...

How to modify a many-to-many collection using django rest framework

I am trying to create an endpoint where, having a User entity, I can add / remove existing Group entities to user.groups many-to-many field. But when I try to do it, django-rest-framework tries to...

how to save nested complex JSON data in a sqlite database on flutter

I have nested complex JSON data. I made a model for them and I can serialize and deserialize. I read the document of flutter and examples of saving data in SQLite but all of the examples are for...

Kotlinx Serialization - Custom serializer to ignore null value

Let's say I'm having a class like: @Serializable data class MyClass( @SerialName("a") val a: String?, @SerialName("b") val b: String ) Assume the a is null and b's value is "b value",...

Spark - How to fetch value from a dataframe column having type binary?

We have a scenario, where we are using our custom serializer to serialize POJOs' In our use-case, we have formed dataframes having one of the column holding these POJOs. df.printSchema is as...

Django Rest Framework AttributeError: 'str' object has no attribute 'get_default_basename'

This is my first time using viewsets and routers. When I run the server, it shows the that error. Here is the view (inside a file called api.py): class LeadViewset(viewsets.ModelViewSet): ...

Could not read serialized diagnostics file: Invalid File: Invalid diagnostics signature

I'm getting this weird warning. I'm not sure what could cause it. A .dia file extension supposedly indicates a core digraph graphics file. I did not add one and the app has almost no ui at all.

Setting a max size when using Faster Jackson to deserialize an array

I have the code below where I am deserializing a JSON string with an object containing an array of custom objects. We are using fasterxml.jackson. We have seen cases where the number of items in...

Object of type ProductImage is not JSON serializable

I am getting this error Object of type ProductImage is not JSON serializable I am trying to make model in which I can add multiple images using ManytoManyFeild().and I then I want to serialize it...