Originally, I have a website with nginx and Ubuntu 20.04 port at 80(http) and 443(https), the URL is https://mysite.cc (It works well) And now, I want to set another site with Spring Cloud (Docker) with the URL https://new.mysite.cc How to set the nginx or the docker of Spring cloud? Right now, all of the two…
Tag: java
reactNative.Share.open is undefined
I’m trying to use the share component with react native but I keep getting this error below. Any idea why ? ‘_reactNative.Share.open is not a function. (In ‘_reactNative.Share.open({ url: uri })’, ‘_reactNative.Share.open’ is undefined)’ Answer This is because ‘…
Cassandra UDF: getting error on checking null values
I wrote an UDF like the below: And I get this error: InvalidRequest: Error from server: code=2200 [Invalid query] message=”Java source compilation failed: Line 1: The operator != is undefined for the argument type(s) long, null Line 1: The operator != is undefined for the argument type(s) double, null&#…
When i retrive children from firebase using recylceview TextView Won’t Show
I’m using Android Studio when I run my app and add or show RecycleView list, text view shows only the title not data inside firebase this is the textviewaddCateogryclass What would be causing this? used the same data on firebase child. firebase realtime database Firebase ModelCategoryClass AdapterCatego…
How to set pane colour from colour picker
I have some code, in javafx, that has a pane that works like a paint canvas. I need to be able to fill the background color of the pane from a color picker. Currently I have a Color variable that gets the color chosen from the color picker and I try to set it to my Pane (named canvas) as
@RestControllerAdvice Stops Working Properly when using @ResponseStatus too
I am using RestControllerAdvice to return custom responses dependending on the type of exception that happened (they are all runtime exceptions), this was the first time that I used it today and it was a very weird experience because at testing with postman and local it worked perfectly, but when we deployed …
Using an Interface as a super type for Enum classes – problem with accessing Enum-specific methods
I’ve been attempting to implement an interface in my enums in order to have rules for a simulation I’m making. I am trying to access enum-methods such as values() and ordinal() (on objects). However, even with upper-bounding my classes with my interface name, I still cannot access these methods wi…
Why does super() not get called in the other constuctor?
If both House() and House(name) are called then why is not “Building” printed two times, but instead one time? Output: Answer House(String name) calls this() which is the same as House(). House() implicitly calls super() which is the same as Building(). You never call Building(String name). House(…
Need help outputting “You must enter a name” when nameText is null. With the code I currently have it doesn’t recognize when the nameText is empty
MainActivity Need help setting the text to “You must enter a name” when the nameText is null. For some reason even when the nameText field is empty it still outputs “Hello” when it should be outputting “You must enter a name”. Answer Probably you need to check if the text o…
BUG! exception in phase ‘semantic analysis’ in source unit ‘Script2.groovy’
Recently, I have upgraded to the java version OpenJDK version “17.0.1” 2021-10-19 IBM Semeru Runtime Open Edition 17.0.1.0 (build 17.0.1+12) Eclipse OpenJ9 VM 17.0.1.0 (build openj9-0.29.1, JRE 17 Windows 10 amd64-64-Bit Compressed References 20211207_55 (JIT enabled, AOT enabled) Jmeter 5.4.3 is …