here is model class : I want that I get all food items from all categories one by one and than show every single food item data in recycler view and after getting list of all items I want that I add only those items in a list which pin value is TRUE here is the java class file code
Tag: java
How to create an new one dimensional array with elements of a 2d array and return it?
I need tp create a new array with the elements of a 2d array in java. However, it only adds the last number of the 2d array which results in an array of the same value. Answer You have an outer loop for (int i = 0; i < 7; i++) that is causing the issues. The value of “i”
DynamoDB Update Transaction Java
I’m trying to update my table in dynamo with an update transaction. I want to update a specific row if it is found. If it isn’t found I want to add a new row to the table. I found some sample Java code here: https://docs.aws.amazon.com/amazondynamodb/latest/developerguide/transaction-example.html …
Why is this XML Validation failing on NameIDFormat from an extended type?
I recently encountered an issue with SAML metadata validation from a customer. The relevant part of metadata that is failing: This fails with the folowing error: cvc-complex-type.2.4.a: Invalid content was found starting with element ‘NameIDFormat’. One of ‘{“urn:oasis:names:tc:SAML:2.…
My repository in my spring-boot application is returning null
Hey I am pretty new to using the Spring Framework and was just trying to get an application to work for practice but I am getting the following error in my stack trace: Cannot invoke “com.gabriel.schoolapp.repository.UsersRepo.findAll()” because “this.usersRepo” is null This is my mode…
Database entry problem. Only null value is written
I’m trying to work with REST api and after creating JSON post call, null value is written to the database instead of the value that was written in JSON. I am working with PostgreSQL database. After I send JSON using Postman or Swagger I get Server Response Code: 200. But the database writes the color as…
How to add new key to map in Firestore
I want to add new key to a map. memberFees is a field of a document under collection named Faculty I want to store only the key of each member fee inside the memberFees map. Here is an example of my memberFees map: I only added that keys in the example manually. This is what I did: This code throws
I have blocked the URL for a user who is not logged in, but after the user logs in he still cannot access the URL
Title says it all. WebSecurityConfig As you can see I have .antMatchers(“/api/users/**”).authenticated() and that works, I cant access that URL, getting Unauthorized error: Full authentication is required to access this resource with code 401. But when I go back and enter a credentials and get red…
Using a final double variable in java [closed]
Closed. This question is not reproducible or was caused by typos. It is not currently accepting answers. This question was caused by a typo or a problem that can no longer be reproduced. While similar questions may be on-topic here, this one was resolved in a way less likely to help future readers. Closed 4 m…
Room Database Empty when Restarted App ( Same DB Name)
I am newbie to the Android X Room Database. Earlier I used Sqlitehelper class to access the sqlite databases and then migrated to room. The question is , when I insert data into Room database table it stores for that moment and when I restart the app the data is gone. I want to have multiple tables in a singl…