I have a String 2D-array named items in my app like this : and I want to have a String ArrayList that include first parameter of each item data, something like this : i used this code but unfortunately it didn’t work Answer You can also use streams to build this list: If you still want to use a for
How to stop the loop executing n times?
i’m having an issue where I would like the below code to add the specified elements from the first array to the new array at the given indexes. However, the problem is that the loop with not exit. For eg. The below should print items at index 4 and 5 and then exit as the array only has items indexed
Executing Spring AOP aspects for annotations aliased with @AliasFor
The idea is to create annotations hierarchy (similar to @Service, @Component etc) using @AliasFor annotation. This should give me the possibility to define aspect, that would execute on parent annotation, and every alias of it. But somehow it doesn’t work for me. @ComponentScan is fine, @EnableAspectJAutoProxy is set. Example: UPDATE: I’ve updated code, as @M.Deinum suggested in a comment below.
Spring Data Jpa Repository not saving entities to database
Im having some difficulties using jpa. Im not getting any exceptions, but I cant save anything to the database. I went from Hibernate to Jpa and everything worked perfectly there. Below are my Files application.properties: Model: Repository: Service: I’m getting a 200 Response when submitting the form, but can’t find the data in the database Answer You are using a
Android 12 – Fatal Exception: android.content.res.Resources$NotFoundException
I’m getting the below error on Android 12 devices. Any help is highly appreciated. Thanks in Advance. Answer This is an upstream bug on Android 12 + Samsung devices, Chromium team and Samsung are aware. Star this issue to follow along: https://bugs.chromium.org/p/chromium/issues/detail?id=1271617 Until then, add platform-specific / vendor-specific disable of WebView usage or your app will crash out-of-process (in the
android firebase start listing data equal to entered letter
There is a problem with the list inside the “if” it doesn’t work I get an error this:java.lang.ClassCastException: java.lang.String cannot be cast to java.util.List Answer You are getting the following error: java.lang.ClassCastException: java.lang.String cannot be cast to java.util.List” In the second if statement, because the type of the “name” field in the database is String and not a List, hence
Loop Object from a single Array
im sending a Json Array from Activity A to Activity B, and i want to populate that Json Array into Spinner in Activity B. but when i Log the json array from Activity A, the data becomes a single object “NVAKSINATOR” : [{“NVAKSINATOR”:”[{“NVAKSINATOR”:”20800″},{“NVAKSINATOR”:”0″},{“NVAKSINATOR”:”77350″},{“NVAKSINATOR”:”51750″},{“NVAKSINATOR”:”30000″},{“NVAKSINATOR”:”51500″},{“NVAKSINATOR”:”25750″},{“NVAKSINATOR”:”30900″}]”}] i want that number like 20800 , 0 , 77350 to be populated in spinner but i
How to format log4j timestamp with nanoseconds and timezone?
I want to achieve a timestamp that has nanoseconds and time zone difference, example: 2021-11-30 22:21:41.829798+02:00 I failed with variations like: %d{yyyy-MM-dd HH:mm:ss.nnnnnnXXX} Dependency: Is that supported with log4j and if so how can I achieve that? thanks. Answer I was able to find an obvious solution 🙂 I separated the timestamp with nanos from the timezone itself and it
How can I display checkboxes instead of boolean in vaadin grid?
I’m working on a new application using vaadin-spring-boot-starter 21.0.7 and trying to render training database information in a Grid. I’d like to have the first column in the list be a checkbox for Active/Inactive, but I can’t figure out how to get that done. Everything I’ve seen has been for Vaadin 7 or 8. Mostly current code is in MainView.java
Unable to get PATH to be set for all users
Trying to get OpenJDK 17 installed for Pufferpanel. User pi can do java -version fine however Pufferpanel gets bash: java: command not found My /etc/profile and /etc/profile.d/java.sh have these lines: In addition JAVA_HOME=”/usr/lib/jvm/jdk-17.0.1+12″ is set in /etc/environment Full permissions have been given for java.sh and the JAVA_HOME folder with chmod 777. The user pufferpanel now can run the script however