"There are only two hard things in Computer Science: cache invalidation and naming things." Note: For this, and all of the subsequent code in gray boxes, you should press shift + enter to ensure that ...

The scope of the global variable in SPL is the life cycle of the same JVM (computing node\ SPL service), which can be accessed in all SPL scripts run on this JVM. Some data may be shared by multiple ...

Python is a high-level programming language that is easy to learn, versatile, and widely used in various fields such as data science, machine learning, and web development. As a beginner in Python ...