I want to get the streamName parameter, which is generated when executing one method in the program where I made HTTPRequest and in response I want to get the generated hex string. I couldn’t find what is missing. This is my code in spring boot: PostResponse class: method on another program where i make a request: results in postman: enter
How to add image inside a tab as a icon while developing Harmony application?
I want to add an image inside the tab and I have Image Resource Id but tab.setIconElement(Element) takes element. currently, I am trying like this How can I add an image inside the tab or create its element with Image Resource Id only? Or is there any other way to do it? Answer First you have to decode the Image
What is the alternative in Harmony OS for Nullable and NonNull annotations?
There are many arguments in my code which can take the value null. It would be helpful if there is a @Nullable and @NonNull annotation like the ones offered in Android via Annotation. Is there an alternative available in Harmony OS? Answer You can use org.jetbrains.annotations.Nullable & org.jetbrains.annotations.NotNull annotations available from jetbrains dependency, implementation ‘org.jetbrains:annotations:20.1.0’
What is the alternative in Harmony OS for function setBackgroundColor() on View class in Android?
I am working on a HarmonyOS project in that I wanted to set the background color of the component. In Android we have a function setBackgroundColor() in the View class, this can be done as shown below. How can I set background color to a component in HarmonyOS? Answer First you have to build an Element using some color, later
How to reset a JDBC Connection object?
How to reset a JDBC Connection object (that is, a java.sql.Connection object)? I have explored the concept of connection pooling. When a connection pool is used, a Connection object can be recycled. But how can a connection pool recycle a Connection object? I think that a connection needs to be “reset” (for example, if it is in a transaction, then
Run XSL tranformation on an Mei file(xml) Using Saxon
I am trying to do what I considered to be a simple thing but I do not seem to understand how to go withit. I have an mei file which is essentially an xml and I want to apply an xsl Transformation on it. I am using saxon for that and this is what I have been doing. Problem is
DataModel cannot be cast to java.util.ArrayList
I couldn’t find what the problem is. Logcat is saying : “Caused by: java.lang.ClassCastException: com.example.project.model.DataModel cannot be cast to java.util.ArrayList” I tried different solutions but none worked: Parcelable @SuppressWarning Could someone show me what is wrong in my code please? DataModel.Java TableActivity.Java DetailsActivity.Java Answer You are passing object on intent by doing this, and on receiver side, you are expecting
CrudRepository doesn’t save data
I’m having trouble while saving new object into database via CrudRepository. Interesting thing is that I can read data from repository. So, while I’m getting data, I have an SQL query in console. …
PDFBox 2.0.9 – creating TOC with multiple pages
I’m working on PDF Toc. It generates the first page but when I have more elements I did logic to create a new page for TOC. I’m using PDF Box and that PDPageContentStream. I had to create a function to calculate how many pages I need. Then I’m creating the exact amount of pages in the list and add them
How much 1px is with respect to fp in Harmony OS?
Can anyone tell px:fp ratio or code to convert fp to px. I am building a HarmonyOS application and I want to set the width of a component to 20fp but setWidth​(int width) takes width in px. Answer HarmonyOS provides the AttrHelper tool class to implement conversion between fp and px. AttrHelper.fp2px() For more details, pls kindly refer to this