Category "java"

MacOs Catalina 10.15.5 crashes and report gives no clue

I recently updated my MacOs from Catalina 10.15.4 to 10.15.5 (19F101). I use Android Studio as IDE to develop Android apps using Java programming language. So I

Adding a light to Sceneform node has no effect

I'm following the google developers guide on adding Light to a Node in SceneView: https://developers.google.com/sceneform/develop/build-scene Light spotLightYel

Which `Clock` implementation is the default in java.time?

The java.time framework built into Java 8 and later includes the Clock class. This class provides several variations useful for testing our date-time handling c

A difference between Mono.mapNotNull(....) and Mono.flatMap(Mono.justOrEmpty(....))

Being a novice to Project Reactor I'm trying to wrap my head around the documentation. However I still can't figure out if there any practical difference betwee

Spire Doc Free 3.9.0 not running in headless server

Caused by: java.lang.NoClassDefFoundError: Could not initialize class com.spire.doc.packages.sprDGC at com.spire.doc.formatting.CharacterFormat.spr (Un

Hot Deploy Does Not Work For Java Class File Edits On Weblogic 12c

I'm using Intellij Community edition I don't have the luxurary of using the Ultimate edition; Hence, I can't install the weblogic plugin. When I make edits to a

JavaFX thread should wait for background thread but without freezing the UI (JavaFX)

I want my main thread to wait until the background thread completes. But, this makes my UI freeze. I want to achieve this without freezing my UI. Please help me

Convert @ sign from byte in GSM 7-bit encoding to Java text

I have given a byte array [97, 98, 0, 99, 100] which is GSM 7-Bit encoded. This should be converted into ab@cd. When I tried to append this given array into a

Truecaller like alert dialog in dart

I am trying to implement a true caller like alert dialog in flutter. Since I am very new to flutter+dart, I was looking for any out of the box implementation. S

How to calculate from a date to another date?

I am creating a workday calendar which calculates which date the workday ends. I have a code that sets daily worktime from e.g 8:00-16:00 (workDayStartStop). An

Mapstruct: Check for null for source before mapping to target

Mapstruct: Check for null for source before mapping to target. Require to throw a custom exception from mapstruct interface if the source is null.

Error when trying to create a model in PowerDesigner through Java

The actual code package OOM.src.createOOM; import org.eclipse.swt.internal.ole.win32.COM; import com.sybase.stf.powerdesigner.PdCommon.*; import com.sybase.stf

postman returning "status": 404, "error": "Not Found", for the spring boot

Thank you in advance, Hello I am new to spring boot. I am facing a problem with spring boot. When I run my URL in postman it shows an error below. I have also u

Assert two List have same subtypes in a certain order

I would like to check if two lists (let's say, ArrayLists) have exactly the same instance classes, based in an expected List. To do so, I have built the next me

java.lang.IllegalStateException: enterPictureInPictureMode: Current activity does not support picture-in-picture

Error message java.lang.IllegalStateException: enterPictureInPictureMode: Current activity does not support picture-in-picture. at android.os.Parcel.c

How to access a specific object in serialized data?

I'm using FlatBuffers to serialize a graph for an Android app I'm building (so I don't have to re-build it each time the user opens the app), but I'm having a b

How to register TestExecutionListener in Junit 5 and detect if all tests are executed

Hi I am trying to implement integration test using JUNIT 5 as a framework and we just want to start all the process once before all the test are executed and st

How to access many to many relationship auto generated table in Java Spring?

I have two table named recipe and tags, joined with many to many relationship This is recipe table: @Data @NoArgsConstructor @Entity() @Table(name = "recipes",

What's the recommend way of cloning a jOOQ Record object?

It seems like you can't create a copy constructor, you can't make it implement cloneable. I was thinking of using reflection to iterate over every attribute on

ERROR 18080 --- [main] o.s.boot.SpringApplication : Application startup failed Spring boot

I know question like this have been already asked but I am new to spring boot and trying to run this program as java but getting error. I tried to search this e