I'm sure that this question has been addressed in many best practices books, but still... Most of the times I see examples of wrong usage of custom exceptions, therefore I was wondering what would be ...

I have an application that targets API Level 19+. I need to check if headset is connected (either of wired or bluetooth). I see that AudioManager.isWiredHeadsetOn() is deprecated starting from API ...

I need to store data from an external API to MariaDB. One of the fields comes in as java.time.LocalTime and is stored using the TIME type. It can contain fractions of seconds. I am using JOOQ for SQL ...

I am aware that flip() set the current buffer position to 0 and set the limit to the previous buffer position whereas rewind() just set the current buffer position to 0. In the following code, either ...

I'm using AWS Lambda to create a simple upload service for my mobile product. On the server, I generate a presigned URL using the following code var params = { Bucket: targetS3Bucket, Key: ...

I want the following semaphore-like synchronization primitive in my code: class Event { private boolean fired = false; public synchronized void fire() { this.fired = true; ...

Why does this work: char c = 5; int i = c++; But this throws a compiler error (Invalid Argument to Operator ++/--): int i = argv[0].charAt(0)++;

I am new to hibernate programming Please help me out, I have problem while executing the below files.I am using MySQL Database. My error is SLF4J: Failed to load class "org.slf4j.impl....

What's the difference between this: public enum Direction { NORTH(90), EAST(0), SOUTH(270), WEST(180); private final int degree_; private Direction(int degree) { ...