I am working on a Java Spring Boot application. I have a JSON in the following format. I need to search for a string and return the results in the same JSON format containing only the matching entries. The original…
I cannot figure to multiple fields by using $addFields for if else condition in MongoDB with Java operator. My requirement is to add Mutiple fields based of if else condition. I know how to add multiple fields bu using $addFields…
I have an Application deployed in ECS, which query Dynamodb on the status column using GSI and perform some computations and update the status. My problem is quering the GSI in pagination takes a long time, I want to scale…
I have a class called BookRoomActivity: public class BookRoomActivity extends AppCompatActivity { String staffPromotionCode; EditText etRoomName,etprice,etDate,etCapacity,etPromotion; Button btnBook; FirebaseFirestore db; final boolean[]promotionCodeMatched = {false}; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_book_room); // Retrieve promotion code set by staff from…
I have a table which contains approximately 100,000 records, I did a SELECT to obtain the total number of records because it can vary, I need to consult the table and obtain all the records of 4 specific fields(nombre, apellido,…
i am creating a new backend APIs for the online shop, I have created entities class for item, cart, user etc. However, when I am running the app the tables are not getting created in the DB. I am not…
I'm trying to send a byte array to the server through AJAX: $.ajax({ url: armd.scieldan.server + "/detachedSignFile/", timeout: 120000, type: "POST", data: byteArray, responseType: 'arraybuffer', success: function(response) { console.log("Sign: " + response); }, error: function() { console.log("error"); } }); And…
it gives same error permission denied i thing i try all possible ways to solve it . i am using ubuntu . please if anyone knoe what is the proble help me .. . i change my user in mysql-server…
I have two classes, "PeerMessage" and "PeerMessageOps" (this is just an example). PeerMessageOps contains constant values that PeerMessage class accesses to. But I don't know why, every time I do the "PeerMessageOps.thing" from PeerMessage class, Eclipse stops running and exits…
I have enum in java public enum Day { MONDAY("D1", "X"), TUESDAY("D2", "X"), WEDNESDAY("D3", "X"), THURSDAY("D4", "X"), FRIDAY("D5", "X"), SATURDAY("D6", "X"), SUNDAY("D7", "Y"); private final String value; private final String value2; Day(String value, String value2) { this.value = value; this.value2…