Category "java"

How do I avoid NaN?

I understand it's because the program thinks I'm dividing by O, but I'm not sure how to fix it in the program. The program works fine, though. It outputs the av

handling back button android

I have a problem while hitting the back button on an activity, in particular, the back button on the activity closes the application and destroys all the activi

What's the difference between calling super.onCreate() and calling through to the superclass? [closed]

The following screenshot is from official Android documentation of android.app.Application#onCreate() which says If you override this method,

Java 8 Streams - How to get an equivalent of partitioningBy() with Integer keys?

In the code shown below, p is a predicate of type Predicate<String>. Map<Boolean, List<String>> partitioned = numbers.stream() .collect(Co

How do I return the final discounted price instead of the discounted amount off?

I am creating a method that takes a percent as a parameter and decreases the price by that percent. public void lowerPriceBy(double percent){ price = price/

Search all versions of a file in git log takes long

I noticed that finding all versions of a specific file in git takes a long time when the number of files in the repo is more then a couple of thousand. Any idea

Java - ATM Banking login with 3 times try pin lock

I'm new to java programming. I'm trying to make a banking system log-in that locks the user after entering the wrong pin 3 times. I'm trying to merge 2 pieces o

Apache Commons Configuration: read from classpath/JAR?

Does the Apache Commons Configuration library support reading properties/configuration files from the classpath or JAR? I didn't find an API where it can take a

Drawing multiple objects in Java [duplicate]

I would like to draw multiple objects like ovals, rectangles and lines together. But somehow I can draw only an object. When I try to draw ano

validate input in Thymeleaf

I have this input: Masa: <input type="number" class="form-control form-text" name="masa"/> <div class="text col-sm-12 error" th:if="${wzrost}"

Mutiple iterators in for loop Java not working properly

I am trying to pass a Javascript code to Java, but I've got a problem with the for loop, I have a for with 2 iterators in my Javascript code, and it is working

Calling a method to try and rerun through a block of code

I'm trying to compare the cost of a user's phone usage under plans from three different providers. I can get as far as entering the usage details but once enter

Change username and password for an existing Windows service in Java via Advapi32 (JNA API)

I have been trying to change configuration for an existing Windows Service via the JNA API, specifically via com.sun.jna.platform.win32.Advapi32 class but could

Jave webflux process a String-response with id's

I've a reactive API which receives the following String (image below). I want to process these ID's and perform a search query to my MongoDB and return a Flux w

Consume NAV Soap web service in java

Any Lead for consuming Microsoft dyanmics NAV web service.Client has given us a WSDL file in XML format and we need to consume it in java/spring boot.

"Failed to find cgroup for tid XXX", application crashes with background thread

I'm trying to build a custom launcher for Android, and I'm following this guide to have a clue of what I'm doing. Till the first part everything's ok, it works

java.lang.NoSuchMethodException error in Spring-boot web-application when deploying on tomcat

I am deploying a Spring-boot web-application on 'tomcat 9' and I faced a NoSuchMethodException. I compile and run this code in localhost, successfully; but when

sqlite cannot connect to database error: java.lang.UnsatisfiedLinkError: org.sqlite.core.NativeDB._open_utf8([BI)V

I get the following error: I have this code I have tried several things going before I posted this, I determined that this was the source error it did not conne

Heads up push notification not doing the Pop up function

I am new to Android and I have been trying to show a Heads up action push notification just like whatsapp does. This is my configuration for my notification:

Heads up push notification not doing the Pop up function

I am new to Android and I have been trying to show a Heads up action push notification just like whatsapp does. This is my configuration for my notification: