How do I get a PostgreSQL exec plan w/params?
My application has a myriad of queries and I wanted to get the execution plan of some of them. Most if not all of the queries have multiple parameters and I can't find how to get the execution plan for…
Why isn’t Jackson Serializer invoked in Quarkus?
I use the MicroProfile REST Client in Quarkus and have declared quarkus-rest-client-reactive-jackson as dependency. For the invocation I need run my own code to serialize my data into JSON. I've built a custom serializer extending StdSerializer and registered it via…
Can I change the Java version on Ubuntu Linux?
I set JAVA_HOME in .bashrc on my Ubuntu 22.04.2 LTS system, but when I check the version, it's still the old one: ruomini@ruomini-XPS-13-9370:~$ echo $JAVA_HOME /home/ruomini/jdk-17.0.7 ruomini@ruomini-XPS-13-9370:~$ java -version openjdk version "11.0.18" 2023-01-17 OpenJDK Runtime Environment (build 11.0.18+10-post-Ubuntu-0ubuntu122.04) OpenJDK 64-Bit…
Is cmdline-tools component missing for Flutter-Android command-line tools?
I'm encountering an issue with the Android command-line tools, specifically the error message "cmdline-tools component is missing." I'm trying to install the necessary components for Android development using the command path/to/sdkmanager --install "cmdline-tools;latest" as mentioned in the official documentation. However,…
Can Postgresql create variable SQL statements with empty values?
I tried researching about this but couldn't find any answer probably because I don't really know how to tell what I'm looking for properly. I am using JDBC driver of Java to create a PreparedStatement for Postgresql. I have a…
Why did Gradle build fail with unsupported class file major version 64 in Flutter project?
I encountered an issue while building my Flutter project with Gradle. The build failed with the following error message: FAILURE: Build failed with an exception. * What went wrong: Could not open settings generic class cache for settings file '/Users/mishalhaneef/Documents/flutter/Zartek/blind_crushes/android/settings.gradle'…
How do I set values in environment for Spring Boot app in Ubuntu 22.04?
I am trying to set below values in enviornment (Ubuntu 22.04) spring.datasource.url = jdbc:mysql://localhost:3306/abc?useSSL=false spring.datasource.username = root spring.datasource.password = root I have set values in enviornment as export spring_datasource_url_prefix=mysql export spring_datasource_host=localhost export spring_datasource_port=3306 export spring_datasource_database=abc export spring_datasource_username=root export spring_datasource_password=root And…
Why isn’t the language option showing after selecting a project template in Android Studio?
The "New Project" wizard in Android Studio is not showing the "Language" option. I want to use Java, but it's forcing me to use Kotlin. I am expecting to use Java for Android development. How can I make a Java…
Can CSS style hbox and vbox?
Quite frustrating as I follow guidelines and basic tutorial. I can apply CSS styles to differnt elements but not to vbox or hbox. I have the following simple Apps creating a simple scene using a FMXL and CSS: import java.net.URL;…
How do I insert a record with mybatis while column type is postgresql bit(n) and DO field type is java byte[n]?
I want to solve the following Postgresql error when insert a record into database. org.postgresql.util.PSQLException: error: column "role" type is bit, but type of expression is bytea. The structure of DO is as follows: @TableName("agri_person_relation") @KeySequence("agri_person_relation_seq") @Data @EqualsAndHashCode(callSuper = true)…