So I’ve been working on this lab for a while now for my programming class and so far I think I’m on the right track. However, I’m not quite sure how to mirror the numbers. So pretty much, my code is only printing the top half of the triangle. Anyway here is the actual assignment that was giv…
How to exclude a @Configuration class when using @WebMvcTest with spring-boot?
I am writing junits for a rest controller. I want only minimal context to be loaded which is related to the controller and I think that is how @WebMvcTest loads the context. But the junit is loading complete Spring context and it is failing as some of the beans can not be created. I have searched and read thr…
Can I Entity Room data right from RecyclerView and Save it to Room Database?
I have some adapter which use retrofit to get data right from web api and place it to recyclerview public class NoticeAdapter extends RecyclerView.Adapter { …
Oracle 19c compatibility with jdk7
I would like to know if oracle 19c is compatible with jdk 7. I have found out 2 drivers for oracle 19c ojdbc8 : for jdk8, jdk9 and jdk11 ojdbc10 : for jdk10 and jdk11 I would like to know if there is a way to have oracle 19c with a jdk7, and if yes what is the driver that
Huawei HIAI Engine “General text recognition” is not detecting any text from an image
When using “General text recognition” from HIAI Engine I can’t make it detect and return any text. For instance for the sample image it returns empty text but with code 200. I used an example program from the HIAI documentation, so I don’t know where the problem is. So i created anothe…
Removing elements while iterating. removeIf result in ConcurrentModificationException
I’m trying to remove elements from a set (someObjectSet) while looping through it. As I googled, using removeIf should avoid ConcurrentModificationException in this case. However this doesn’t work for me. Did google lie to me (or I misundertood it), or I’m not using removeIf correctly? The r…
Can’t access controller and its methods from another controller
I’m not 100% sure how to best describe this issue but I will try my best. I am developing a music application and have different windows within one and have loaded panes into a little in app window shown below: The bit that changes from a green button to the playlist screen is the window that has FXML f…
Where condition not working on related entity
I’m trying to apply the where condition on the related entity, but the result set contains all the related entity data. It appears like the filter is ignored. I have the following entities: Entity …
how recursive function works level by level?
I have trouble on understating how recursion works, I have been struggling this for a while! Could anyone can help me with this? I’d really appreciate that, and here is the code for instance: when we pass 3 into the function, the output will be: Since the recursion call is between two printings, I guess…
Are Java classes in Spring automatically a @Bean?
If I create some classes, can I automatically @Autowire those classes somewhere else without using the @Bean, @Component, @Service? Or if I want to @Autowire a class somewhere else, do I need to use the annotations described before? I want to @Autowire a class to another that uses the @Configuration and @Comp…