Questions

I’m new to this reactive programming and I’m a little bit lost. I have a simple factory that retrieves the required class that implements a generic interface: public interface InterfaceToBeImplemented<T> { Flux<Tuple2<KafkaEvent<T>, String>> method(List<String> events); } public class InterfaceImplemntationOne implements InterfaceToBeImplented<ConcreteObject> { @Override public Flux<Tuple2<KafkaEvent<ConcreteObject>, String>> method(List<String> events) { …. } } And a service … Read more

I am a novice at coding and so I have sort help from ChatGPT to help me write a code for Google Sheets. Basically I would like to sort each row in the sheet based on the value in column B based on a hierarchy. The current code I am using does this, however when … Read more

I have an error, when I am trying to launch simulator by running main.dart. The error message is following: Launching lib/main.dart on iPhone 14 Pro in debug mode… lib/main.dart:1 Xcode build done. 5.6s Failed to build iOS app Uncategorized (Xcode): Scheme Runner is not currently configured for the build action. Could not build the application … Read more

I was using Postgres 14 and PGAdmin4 6.7 for a long while and everything was fine. This is on Windows 11. Yesterday I tried upgrading to Postgres 15 and PGAdmin4 7.6 and that’s where it fell apart! Postgres 15 is fine and the installation was smooth. But PGAdmin4 is no longer working! It’s giving the … Read more

When I use this code in build.gradle.kts(:app), it gives this error: Unresolved reference: def def apikeyPropertiesFile = rootProject.file(“apikey.properties”) def apikeyPro = new Properties() apikeyPro.load(new FileInputStream(apikeyPropertiesFile)) How can I use “def” in gradle?

I have xtext language server project configured to build with maven. With the default dependencies, the project build is working fine with mvn clean install -U -Dmaven.test.skip=true But now I need to add commons-math3 as a dependency. I have added the following to xtext’s pom.xml <dependencies> <dependency> <groupId>org.apache.commons</groupId> <artifactId>commons-math3</artifactId> <version>3.6.1</version> <scope>import</scope> </dependency> </dependencies> When I … Read more

I tried using pandas but the json which I require is not getting generated. Need help on how this could be done. Attached excel screenshot. I want the Json to be generated like below. enter image description here { “contents”: [{ “Program”: “Gravity”, “Service”: “UCL”, “Stories”: { “Total”: “”, “Resolved”: “”, “Open”: “” }, “Sub … Read more

I have created an application with Go in Gin-Gonic. In my frontend (Nuxt3/TypeScript) I always get a CORS error: Access to fetch at ‘http://localhost:8081/api/v1/notion/database’ from origin ‘http://localhost:3000’ has been blocked by CORS policy: No ‘Access-Control-Allow-Origin’ header is present on the requested resource. If an opaque response serves your needs, set the request’s mode to ‘no-cors’ … Read more

I have a multi-module Maven project written in Scala with over 3000 unit tests. To keep build times almost reasonable, those unit tests are run in 6 parallel stages. Complicating matters, I also need scoverage to tell us why we need 4000 unit tests 😉 The build runs first and the 6 parallel test stages … Read more

I have two pandas dataframes: from pandas import DataFrame df1 = DataFrame({‘col1′:[1,2],’col2’:[3,4]}) df2 = DataFrame({‘col3’:[5,6]}) What is the best practice to get their cartesian product (of course without writing it explicitly like me)? #df1, df2 cartesian product df_cartesian = DataFrame({‘col1′:[1,2,1,2],’col2′:[3,4,3,4],’col3’:[5,5,6,6]}) 6 From pandas 1.2 you will soon be able to use left.merge(right, how=”cross”) and it … Read more