Full code: https://github.com/BenedictWHD/kstreams-example So I have a producer (data-ingest), processor (external-message-processor), and consumer (internal-message-processor (This will become a processor later once I get things working, so apologies for the naming at the moment, but it is a consumer)). The data-ingest works from what I can tell as it sends messages to the topic external_messages. The external-message-processor attempts to read from
Tag: java
How is compiler inferring type on a generic method?
I have a Storage class: There are two classes where class Child extends Parent: Parent Child Driver class: Because Storage is a generic class, the operations on its method makes sense; I get how case 1 is working. In case 2, with above signature of max in GenericTest, I get the compilation error: The method max(List<T>) in the type GenericTest
Java scanner input loop throwing No Such Element exception after first loop
I want a program that repeatedly prompts the user to input a number and then prints whether that number is prime or not. This works once, then on the next iteration it gives a No Such Element Exception before the user can enter another input. I’ve tried using IF statements with hasNext() or hasNextInt() but those never seem to be
How to use findAny() to find a spesific value in a 2D Array
I have a 2D array as follows I’m asking the user to give a number. Let’s say he gives 20. So, I want to code to compare that value with the seatsPrices array iteratively and find any i,j indexes of the seatsPrices array which its values is 20, and print it. I should probably use findAny() but I cannot figure
Make display data textviews invisible until a city is searched
I set my textviews on my weather app to display the data for cities when searched on my search panel (i.e temp_out.setText(response.body().getMain().getTemp() + ” ℃”););. It works quite fine only that the textviews used to display those data still reflect on the app(i.e temp_out). I want to set it up in such a way that the textviews will be invisible
Spring:- What is the difference between ref attribute and ref tag?
I am pretty new to spring and have been learning from the official docs. I found that to inject a dependency using XML configuration, there are two ways to declare refs:- Or, I can use the ref tag, like:- Is there any difference between the two ref declarations? If not, why does spring allow two different methods? Thanks in advance.
Trying to display arraylist in listview gets me this error unable to resolve contructor?
I imported an arraylist mEpisodeList from another class into my class to make a horizontal number scrollbar for available episodes , each number representing an episode I get this unable to resolve contructor error , here is the ArrayList mEpisodeList here is the mehtod Answer Your ArrayAdapter is expecting a string array (ArrayAdapter<String>) and your actual ArrayList is of GridEpisode
Get all GCP instances under project using rest API
The below api gives instances based on a particular zone. https://cloud.google.com/compute/docs/reference/rest/v1/instances/list I am using java client library to connect with GCP. It is possible using gcloud according to this link https://cloud.google.com/sdk/gcloud/reference/compute/instances/list Any help will be much appreciated. Answer To list all instances in all regions and zones for a project, use the aggregatedList method. Method: instances.aggregatedList
JPQL query for parameter in list
I have two JPA-entities: and I tried to write a JPQL query to extract requests that: If the parameter is false then extract all requests with empty hotelBookings and all requests where every booking have parameter jointCheckIn is set to false If a parameter is true then extract all requests that have one or more bookings with jointCheckIn is set
How to integrate payment online method into my Android Studio app? [closed]
Closed. This question needs details or clarity. It is not currently accepting answers. Want to improve this question? Add details and clarify the problem by editing this post. Closed 1 year ago. Improve this question I’m a student and I have an Android Studio app for my course project. I want to integrate the debit card payment feature into my