Unit Testing in Java with JUnit 5

Introduction JUnit is a popular testing framework for Java. Simple use is very straightforward and JUnit 5 brought some differences and conveniences compared to JUnit 4. The test code is separate from the actual program code, and in most IDEs the testing results/output are also separate from the program's...
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Basics of Memory Management in Python

Introduction

Memory management is the process of efficiently allocating, de-allocating, and coordinating memory so that all the different processes run smoothly and can optimally access different system resources. Memory management also involves cleaning memory of objects that are no longer being accessed.

In Python, the memory manager is responsible for

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