I am currently preparing for developing an IDEA plugin involving webview containing some information. Since I have developed a VSCode extension of similar functionalities and it uses many webviews, I plan to migrate those HTML to IDEA’s plugin by JECF. However, the functionalities require some interacti…
Tag: java
Spring security application giving No AuthenticationProvider found for org.springframework.security.authentication.UsernamePasswordAuthenticationToken
I am new to spring boot. I am trying to implement a simple spring boot security with userdetailsservice in Spring Tool Suite(STS). Below is the controller I used: And the Web security configuration code: I gave all the required dependencies in pom.xml. So, I have added below line in application.propperties fi…
Why does this ArrayList ‘add’ operation not add the new element? [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 last year. Improve this question When I run this code I expect an ArrayList with one element, the String “Hi”, to b…
How to ask for permissions in an onClick event from a button inside a dialog fragment
As soon as my app opens up for the first time, a dialog fragment should come up (in the MainActivity), explaining why some permissions are needed, and there is an Accept button at the end. I have set an onClick listener to this button, where I want to show the default popup to ask for the permissions. To do t…
how to pass multiple value to firebase on click of listview
I want to store data in firebase on click of items in listview. My List View activity is as below. Can anyone please help. I’am new to android studio Or is there any other method to choose dynamically printed items and store in firebase databse.Like using checkbox or something… any kind of help is…
Java Rest Template throws java.lang.IllegalArgumentException: Comparison method violates its general contract
I am not using any Comparators/Sorting in my Java code, still it is throwing ” java.lang.IllegalArgumentException: Comparison method violates its general contract!” Exception. Below is the piece of code that throws exception on the restTemplate.exchange line on debugging. Started getting this exce…
Can’t access file when Compile 2 package
I’m a newbie, I have learned Java for 2 months by self-study. I often use the command line to run files because I use Atom IDE. I just want to complile 2 simple packages “package1” & “package2”. Like the image, these 2 packages and a folder name target (to compile) inside …
Line breaks is not being followed on printing in Kotlin
I am getting this format from a json string: When I print it, the line breaks (“n”) is not inserted. I get the Json string like so: and use this reply as so: Answer Try the following function to process the line breaks and see if helps you in fixing the issue:
Java Object Mapper date conversion to Json
I am using ObjectMapper to convert a list of objects to JSON, however the date field converts into key-value see below current output current output: Output expected is My code: User Class Answer by registering the JavaTimeModule the issue is resolved
Algorithm to extract combinations of array
I’m stuck with the problem to find possible combinations in an array. Currently, i solving this problem using Java Programming language. Here is the example: And here is the output that i want, so i can solve the fundamental issues: The purpose is to generate combinations with sorted conditions as pairs…