Trying to create a unit test for an elastic search exception handler that uses ResponseException but having trouble setting up the object. Mocking doesn’t work as ResponseException is a final class. produces the following compilation error: Unhandled exception: java.io.IOException Any help is appreciate…
cURL works while accessing GitHub /search/users API but using restTemplate.exchange returns zero users
I have defined a RestTemplate backed HttpClient to call Github API to search users My method is this This method hits the URI and return [] as Items(part of response Body) while if I use the same URI with cURL it gives me four responses. I am unable to find my fault. Answer investigating with OP in the commen…
Timeout on RpcDispatcher on nested RPC calls
I’m currently creating a clustered application in WildFly which communicates through a custom JGROUPS channel. The applications sends an RPC call to the coordinator which checks if the desired changes …
Java/Processing: A* graph node based game
I am trying to build a little ‘simulation’ game. This game has no real purpose, I am just making small little projects while I try and learn the in’s and out’s of some beginner programming. This is my goal: On the processing canvas, there are multiple ‘Nodes’ that represent…
List All Data Using Retrofit/OkHttp With Response List
I have some codes that fetch some data from my API. My question is how can I list all the objects that I fetched before without using this jsonData.get(0), I expect something like jsonData.get(i), so …
Java 8 Remove 1 List from Other
I have two list of different Objects. I want to remove the list of School objects from List of World objects based on schoolName and location. I cannot use equals and hashCode methods on those two fields as it is creating some other problem. Please help me how it can be done using streams. Answer You can use …
decimal value of the number formed by concatenating the binary representations of first n natural numbers
Given a number n, find the decimal value of the number formed by concatenating the binary representations of first n natural numbers. Print answer modulo 10^9+7. Also, n can be as big as 10^9 and hence logarithmic time approach is needed. Eg: n=4, Answer = 220 Explanation: Number formed=11011100 (1=1,2=10,3=1…
How to priorly get future Glide image size which will be stored in cache in Android/Java?
In MainActivity, I’m loading some images using glide into recyclerview according to imageview size. See: XML: As you can observe, I’m using Glide cache DiskCacheStrategy.AUTOMATIC also so that next time without Internet Glide can show the images. Now you can read in this post https://medium.com/@m…
Arraylist error index out of bound or it is null
As we know there is no multi query option to firebase realtime database, so instead of using default FirebaseRecycler methods I am trying to manually feed keys from arraylist to the recycler view. In order to sort specific keys on the basis specific child nodes of the given parent I wrote below logic. If I tr…
Spring DataSource password in separate properties file causes “Failed to determine a suitable driver class”
I have the following Spring configuration Which is configured into the following class (annotations are lombok and Spring). This works just fine when all the properties are in one application.properties file. The application starts up properly. I am trying to move the password line into it’s own applica…