Top Questions
12 votes
4 answers
123 views
How do I merge two dictionaries in a single expression in Python?
I want to merge two dictionaries into a new one. I have x = {'a': 1, 'b': 2} and y = {'b': 3, 'c': 4}. I want z = {'a': 1, 'b': 3, 'c': 4}. How do I do this effectively?
asked 2 min ago by py_dev_99
5 votes
0 answers
45 views
Java Stream API - filtering and collecting a list of objects
I have a list of Person objects. I want to filter out anyone under 18 and collect their names into a List<String>. What is the most concise way to do this using Streams?
asked 15 min ago by java_guru
0 votes
0 answers
8 views
Understanding Python's GIL (Global Interpreter Lock)
Can someone explain why Python has a GIL and how it affects multi-threaded applications? Is it possible to bypass it for CPU-bound tasks?
asked 1 hour ago by concurrency_fan