How to Flatten Lists and Merge Dictionaries With Python 3.15 Unpacking in Comprehensions
Learn how Python 3.15 lets you put a star inside a comprehension...
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Python 3.15
11 Articles
How to Run CPU-Bound Python on Every Core With InterpreterPoolExecutor and Subinterpreters
A hands-on tutorial that times threads, processes and Python...
How to Use Free-Threaded Python 3.15 to Run Threads in Parallel and Fix the Race Conditions the GIL Was Hiding
Install the standard and free-threaded builds of Python 3.15...
How to Use Python t-strings to Make SQL and HTML Injection-Safe by Default
A hands-on tutorial for Python 3.14 and newer that turns...
How to Use the New sentinel() Builtin in Python 3.15 to Tell a Missing Argument From None
Python 3.15 adds a sentinel() builtin for unique placeholder...
How to Audit Python .pth Startup Hooks and Migrate to Python 3.15 .start Files
Learn how Python .pth import lines run code at every startup,...
How to Use frozendict in Python 3.15 to Freeze Config and Cache Dictionary Arguments
Learn the new built-in frozendict in Python 3.15 step by step:...
How to Prepare Your Python Code for the Python 3.15 UTF-8 Default and Fix Windows Encoding Bugs
Python 3.15 makes UTF-8 the default for open(), pipes and stdio....
How to Find Slow Python Code With the Python 3.15 Tachyon Sampling Profiler
A step-by-step Python 3.15 tutorial: use the new Tachyon...
How to Cut a Python Command Line Tool’s Startup Time With Python 3.15 Lazy Imports
Measure a Python command line tool’s import cost, mark the slow...