I’m trying to extract the words form a paragraph/string. I searched it out many where but didn’t find relative material. I want to extract words of length 4 from “I want to have alot of moneys when …
Container not displaying in JScrollPane
I have a JScrollPane that will fill up with buttons added by the user. Currently, the user creates a new button and it is added to the container that is inside the scroll pane but nothing is displayed….
Camera 2 Api Error – the error that does not take pictures
I am having an issue with the Camera 2 Api. When I try to take a picture it would not function. The system would not crash. The error only occurs when I try to take a picture. Furthermore, I took …
Getting java.security.InvalidKeyException: Key must be 128, 192, or 256 bit long twofish
Following code is written to encrypt the plain text, I am using IAIK Twofish encryption/decryption code in java below sample code works fine with 128 bit key but when i try it with 192 and 156 bit key it gives an exception that java.security.InvalidKeyException: Key must be 128, 192, or 256 bit long!- for abo…
Xamarin.Forms WebView not working with WebRTC
I have worked on WebRTC project, it all works on Web Browser but when I put in in Application WebView, it said not authorized to access device kind a message. I read other solution on granting access …
Rest Assured java.util.HashMap cannot be cast to class java.util.List
I am working on Rest assured framework to automate API testing. actually I want to get the response as list not as an object. cause I want to do assertions for each element. to check data integrity for each element. I am executing this code: This is the Category Class: This is the console log: My Json raw: { …
Encrypted (base64) password not storing in database hsql
I’m trying to simply store an base64 encripted password in database from an input in Java Web App. I’m using hsqldb for this and my password column type is varbinary(255). But when I try to store it in database I just get the error below. I even tried to change the type of the password column to B…
How to fix this unchecked assignment warning?
I got Warning:(31, 46) Unchecked assignment: ‘java.lang.Class’ to ‘java.lang.Class<? extends PACKAGE_NAME.Block>’ warning on the line blockRta.registerSubtype(c);, but I can’t figure out how to fix that without supressing it. ReflectionHelper.getClasses is a static method t…
removes leading zeroes, but leaves one necessary From String in Java
Given: How do I remove leading zeros but leaves one necessary This is the output I’m expecting: Currently, am using this function but i need to optimize it : can anyone help me please ? thank you for advanced Answer You can use this regex ^0*(0d+) like this: I/O
GRPC clojure BigDecimal to java BigDecimal
I have a java client that is calling a Clojure service via GRPC. The problem is when we get the response back from their service it is adding letters to the end of the big decimal. When we try to convert it to a big decimal in java we get an error converting from a string to a big decimal.