I'm stuck with a servlet problem – my database connection is turning up null. The weird part is, the same database code works fine in another class. I've double-checked my configuration, loaded the JDBC driver, and tested it on Tomcat,…
In my application, we have mongo db for data persistence. As part of some changes, one document is modified and we are adding a new field to it. I need to write a update job in Java. For example let's…
I am a CS student and am starting to work on Leetcode problems. I am trying to use VSCode as my IDE for my solutions but have run into an issue as the IDE is predicting what code I am…
import com.google.firebase.auth.FirebaseUser; /** * Loading screen activity */ public class SplashActivity extends AppCompatActivity { private FirebaseUser currentUser; Handler handler; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_splash); handler=new Handler(); handler.postDelayed(new Runnable() { @Override public void run() { if ( currentUser…
I got this code public void saveOrUpdateImageRecords(String documentId, List<ImageDetail> imageDetails, LambdaLogger logger) { DynamoDbTable<ImageDetail> table = enhancedClient.table(System.getenv("COLUMBIA_IMAGES_TABLE"), TableSchema.fromBean(ImageDetail.class)); logger.log("inside saveOrUpdateImageRecords"); for (int i = 0; i < imageDetails.size(); i++) { ImageDetail imageDetail = imageDetails.get(i); // Set DocumentId and TrackPosition as…
I have a spring boot application, my junit unit tests run perfectly in IntelliJ when I run "mvn clean install", but when try to run them inside of a docker image, non of them actually run, I get that they…
I am new to working with Azure and I am trying to retrieve some messages from the Azure Service Bus queue that was set up by a client, but nothing happens when I run the code. It just waits for…
I'm using Visual Studio Code (1.85.1) with Extension Pack for Java (Microsoft, 0.25.15). The problem is that VS Code automatically adds import statements that are unwanted and lead to errors.
In VSCode if you type Java code such as this ... new ArrayList( ... while using autocomplete you end up with: new ArrayList<>(( Some kind of "feature" is automatically adding parentheses. However, this "feature" interferes with regular flow of typing…
I have a problem with SpringBoot in a personal project that I am doing in Visual Studio Code to be able to learn the language, the error is when implementing the security part, for some reason this error prevents the…