I'm creating a spring boot project and I'm trying to change the CORS policy because it keeps getting blocked by the browser. The problem is that I can't find wh
Map<String, Integer> map = new HashMap<>(); map.put("Naveen", 100); System.out.println("Naveen".hashCode()); /* output (-1968696341)
I was using STOnOff.X_0 Enum to set value as 0(i.e false) for some elements in Apache POI 3.14 when constructing docx file. But now currently in latest version
Given is a String word and a String array book that contains some strings. The program should give out the number of possibilities to create word only using ele
Device detail: Morpho fingerprint scanner device Method Type : CAPTURE URL : http://127.0.0.1:11100/capture Headers content-type : text/xml Accept : text/xml B
org.jboss.weld.exceptions.IllegalArgumentException: WELD-001456: Argument bean must not be null at org.jboss.weld.util.Preconditions.checkArgumentNotNull(Precon
I want to pause the main thread until the other thread finishes. I tried CountDownLatch and semaphore. but none of them worked. I got the same error for both.
Display watch sensor data on phone without installing an app on watch? How create an app that displays all the sensor data from watch?
I'm new in Hibernate. I can't understand how Hibernate process ? in Restrictions.sqlRestriction() method. For example, there is a sample from
Question is ==> You are given two integer arrays nums1 and nums2, sorted in non-decreasing order, and two integers m and n, representing the number of elemen
Should parallel programming be used in the development of microservices in case the microservices are scalable and, for instance, deployed as ECS on AWS? If ye
I have created rest webservice using springboot and added springdoc-open-api for ducumentation of webservice, Now i have 2 question 1-how to add custom test val
I am facing this exoplayer not found error in video android studio application after I updated my project dependencies. I don't know how to update old Exoplayer
i try to make a minecraft plugin with bukkit and i will try to change the time every 500ms but when i start that in the main thread, the server crashes. So i tr
So I have an XML structured object (Java) and need some help to convert it to a JSON string without using any library and in an iterative way. E.g <root>
I made an android app 5 years ago that use AsyncTask to create an HTTP POST request to send a receive data from server, with two parameters. Any help would be a
Jackson can deserialize JSON data into immutable objects. But by default the constructor or static factory method parameters have to be specified either using @
I have big Gradle project. When i ruunng application gradlew - bootRun or run Debug on InteljIdea I got exceptions java.lang.NoClassDefFoundError: org/springfr
I'm trying to implement React Native into an existing Android application. I follow the steps in the official documentation and I have ended with the following
Original question: OkHttp, is there a way to not rely on a connection pool? Hey OkHttp users and/or contributors! Is there a way to use an OkHttpClient withou