Good morning. I have been fighting with this issue for the past two days so I decided to post a question about it. Basically I have a Spring Boot project which executes basic CRUD operations through a React JS front-end. Everything seemed to work fine until I added Spring Security to the project. Since then w…
Tag: java
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Is this the right way to prevent GridBagLayout cells from being resized relative to their contents? SSCCE Answer Interesting. I’ve never seen an approach like this before. Typically the GridBagLayout is used such that: Each component is allocated space based on its preferred size If extra space is avail…
how do I convert this piece of code to stream using java stream api
I am trying to convert below code into stream. It’s not that difficult but I am not sure how to handle null values in stream. I did checked out Optinal.ofNullable method but quite not sure if I have to use it 2-3 times to get the correct stream code. I can use the below code for now, but I wish
How can I specify the order of imports in intellij IDEA?
Intellij keeps reordering my imports like so: Whereas our maven checkstyle wants the order like so: I should also point out, that this doesn’t apply to all the imports, only some of them. I’d like to set it so intellij organises all packages that end with a * to be sorted above fully qualified imp…
How to add new column to select statement with JSqlParser
This is my sql statement. How can i add new columns to it dynamically with JSqlParser? For example i want to add “mylocation” column to my sql query: Answer According to the documentation it should work like this:
java Linked List for swapping two numbers
I amgetting errors in my code. The errors are: error: class SwapNodes is public, should be declared in a file named SwapNodes.java public class SwapNodes { ^ Main.java:104: error: Illegal static declaration in inner class SwapNodes.Main public static void main(String[] args) { ^ modifier ‘static’ …
Select value by text from a dynamic non select dropdown using Selenium Java
I want to select value by text from a dynamic non select dropdown. I did some research and I found this code: Basically it put the dropdowns options into a List element, and run through in a for loop, and if the options contains text, click it and break the loop. However it is not working with this type of
Is it possible to map jooq Record from string
I have a case where I need to map jooq Record from json to class instance. We have used our own mapper for this in the past, but underlying table had only basic types so it was working fine. Now we have a need to map Postgres interval type to jooq YearToSecond and it is not working anymore. I was
How to solve “org.openqa.selenium.support.ui.UnexpectedTagNameException: Element should have been “select” but was “input”” selenium error
I’m going to get the default selected value of the below dropdown I wrote below code to do it. But this throws the following error org.openqa.selenium.support.ui.UnexpectedTagNameException: Element should have been “select” but was “input” How can I fix this? same code is working…
What is the meaning of flatmap( return Observer::onComplete;) in rxJava? And why is the return type of it is Observerable?
I cannot understand the line of return Observer::onComplete; Answer It’s a fancy and incorrect way of doing an empty result á la Observable.empty(). fatMapObservable expects an Observable<POJO> as its return due to target typing. Since Observable is a single abstract method type, you can use a lam…