How to solve Spring Cloud LoadBalancer is currently working with the default cache. You can switch to using Caffeine cache, by adding it to the classpath. warni
I am trying to learn spring data JPA by testing some CRUD operation via JpaRepository. I came across two methods save and saveAndFlush. I don't get the differe
What is the difference between a static and instance variable. The following sentence is what I cant get: In certain cases, only one copy of a particular v
Create a program in Java that will read the CSV file and compute the Final Grade of the student using the computation below: Lab Exercise * 30% + Long Quiz * 30
It was said that consumers can only read the whole topic. No luck doing evaluations on brokers to filter messages. It implies that we have to consume/receive a
How do I configure the TCP/IP port listened on by a Spring Boot application, so it does not use the default port of 8080.
I have a Java Spring MVC web application. From client, through AngularJS, I am uploading a file and posting it to Controller as webservice. In my Controller, I
I have string like below Msg_Begin Some message1 Msg_End Msg_Begin Some message2 Msg_End Msg_Begin Some message3 Msg_End And want to get the message between
I'm trying to read a bz2 file using Apache Commons Compress. The following code works for a small file. However for a large file (over 500MB), it ends after
We have a very strange/intermittent issue with kafka and jackson. We have a dto defined which has 4 date field startdate, enddate and a embedded metatdata class
I want to add an ImageIcon to the Panel, but I got this Exception ( java.lang.NullPointerException: Cannot invoke "java.net.URL.toExternalForm()" because "locat
Suppose you have MethodHandle and some arguments have been specified, how to change those arguments after being set? import static java.lang.invoke.MethodType.
I am receiving a null pointer exception when trying to launch an instance of excel to export data to. I have tried adding the newest version of COM4J.jar to my
Situation : I've created an app which needs to draw simple rectangles (1x1 - 3x3 size) depends on some variables stored in array of corresponding size (900x900
I'd like to have one BlockingMap data structure which is very similar to BlockingQueue. The take method of BlockingQueue will wait there until element is availa
I'm using Influx Db java wrapper and adding data in influx db for every 5 seconds with a retention policy of 30 days. When I'm trying to query the data by send
This is the same question I am to new to comment on it to see if he found a answer Cordova is generating a new settings.gradle file when you run "cordova build
I gotta a MIDI Keyboard. All I want is an example of how I can setup the default software synthesizer to play sounds as I play the Keyboard. package cleffsgam
I am getting IWAB0399E Error in generating Java from WSDL: java.io.IOException: Type {http://www.w3.org/2001/XMLSchema}array is referenced but not defined' whi
I am new to using Sling rewriter however I would like to replace all instances of one string with another string (this is a simplified version of my use case bu