Author: Cees Bos Original post on Foojay: Read More Table of Contents What are the Application Observability Code Challenges?GoalsWhat do the code challenges look like?Your own stackOnline environment(s)The first challenge How to Get StartedChallenge details Code challenges are a nice way to challenge yourself with programming, resulting in some great challenges like #1brc and the yearly Advent of Code (#AoC). …

Author: Nataliia Dziubenko Original post on Foojay: Read More Table of Contents Example Exception table Bytecode instructions Try-catch-finally flow Less nice flow Summarized flow It’s interesting to know how the JVM runs bytecode instructions… But do you know what is going on when an exception is thrown? How does the JVM handle the delegation of control? What does it look …

Author: Raphael De Lio Original post on Foojay: Read More Table of Contents IndexHow It Works 1. Define a Window Interval 2. Track Requests 3. Reset Counter: 4. Rate Limit Check: How to Implement It with Redis and Java 1. Use the INCR command to increment the counter in Redis each time a request is allowed 2. Set the key …