Leandro Hirt

Learn Python calendar.timegm to convert UTC date tuples into Unix timestamps safely and avoid local-time conversion bugs.

Learn Python mimetypes.guess_file_type for MIME detection in paths, URLs, uploads, and HTTP responses with safe fallbacks.

Learn Python InterpreterPoolExecutor for CPU-bound tasks, isolated interpreters, true parallelism, and safer concurrency design.

Learn Python os.process_cpu_count to size workers according to the CPUs actually available to the process.

Learn Python sqlite3.Blob for incremental BLOB reads and writes, lower memory use, and safer binary data handling in SQLite.

Learn Python random.binomialvariate to simulate successes, validate probabilities, and analyze binomial scenarios with practical examples.

Learn Python inspect.signature.bind to validate arguments, apply defaults, and build safer decorators and dynamic APIs.

Learn shutil.rmtree with onexc in Python to remove directory trees, handle permissions, log failures, and build safer cleanup routines.