Closed. This question needs details or clarity. It is not currently accepting answers. Want to improve this question? Add details and clarify the problem by editing this post. Closed last year. Improve this question I wrote a java program that does basically what wordle does. Given 2 3×3 rows, for exampl…
Drawing a graph in Paint with Android graphics
I’m trying to plot a graph on a View using a canvas. So far so good it plots correctly as show in the next image: Desired Output once you tap on the screen the expected result should clear the screen and plot a new graph but instead draws on top of it resulting in this: Actual Output How do I
Mysql problem ,cant resolve it, cant somebody help, i using java
Yoo coderrs, have problem connect and write table to my online free database. Problem is hereUnable to create requested service and Unable to make JDBC Connection 1class package sk.hibernate; 2.class persistence.xml POM Answer I just accessed your database with the following URL: (I masked the credentials). S…
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I’d like to extend Kafka DefaultPartitioner to make a custom one. However, I find no way to access the message headers as the partitioning should be based on a value present there. EDIT 1: The task is choosing a partition not based on the key but on another integer contained in the header. Answer You ca…
Flutter & Android: Your build is currently configured to use Java 17.0.2 and Gradle 7.0.2
I got this on my android part of Flutter. Please kindly tell the solution to this. I would really appreciate your answer. Answer Gradle 7.0.2 support java version 16, in your project Java is setted for version 17, so solution is to upgrade gradle version or downgrade Java version.
Failed to get driver instance for jdbcUrl=jdbc:postgresql:/// error for CloudSQL
I am trying to connect to my GCP projects PostgreSQL CloudSQL instance from my local machine. The PostgreSQL doesn’t have a public IP, only private. I get the below error Failed to get driver instance for jdbcUrl=jdbc:postgresql:///mdm java.sql.SQLException: No suitable driver I have verified that my us…
How to convert List into a Mono
i’m trying to convert this method to an a reactive method I Have something like this but i don’t know how to conver the ArrayList to return an Mono<List> Answer If you really want a Mono, then just wrap the value that you want to transport in it: But I doubt you really want to return a list …
Spring Boot: class with @Service bean bean not found
I have multiple @Service class which implements a class BaseService In a Controller class, I want to call a Service class (which implements BaseService) based on a parameter I’m using a function in Utils and calling it from the Controller class My TestService class has an @Service annotation TestService…
Java Regex Handling
Looking for a java regex function to 1 – return true if Special characters present before or after from my list of array elements 2 – Return False if any alpha characters present before and after from my list of array elements My array elements wordsList = {“TIN”,”tin”} Inp…
How to convert hexadecimal IDs (from Oracle/DB2) to GUID (FileNet standard)?
Searching for objects directly on the database used by FileNet (Oracle or IBM DB2) provides hexadecimal IDs, like this: How can I convert them in GUID standard, the one used by FileNet, using Java APIs? Example of result: Answer