python

List files in a directory with Python. Examples use os.listdir, pathlib, glob, and os.scandir. Store results in a list, filter by extension, and recurse.

Pretty-print JSON in shell scripts using jq, Python's json.tool, php or json_pp. One-line examples for bash, curl, NDJSON and safe in-place file updates.

Discover the best way to get the last element of a Python list using negative indexing alist[-1]. Compare with alist[len(alist)-1], performance, best practices, and edge cases for efficient list handling.

Learn how to convert datetime strings like 'Jun 1 2005 1:33PM' to Python datetime objects using strptime, pandas.to_datetime, and dateutil.parser. Handle lists, edge cases, AM/PM, and locales efficiently.

Learn to print colored text in Python terminal using ANSI escape codes, termcolor, and colorama for python colored print. Cross-platform examples, troubleshooting, and best practices for python print color text.

Learn how to add new keys to a Python dictionary using assignment, update(), setdefault(), and merge operators. No dict.add() method—use these efficient idioms for key-value pairs with examples and pitfalls.

Learn mkdir -p equivalents to create a directory and missing parent directories in Linux/macOS, Python (os.makedirs), PowerShell (New-Item), Node.js, Java. Avoid race conditions with exist_ok=True.

Learn what metaclasses are in Python, how they work as the class of a class, and their uses like automatic registries, ORM mapping, and framework enforcement. Examples included.

Resolve pip uninstall error for databricks-dlt in Databricks: 'No input was expected ($PIP_NO_INPUT set)'. Use %pip uninstall -y databricks-dlt, restart Python with dbutils.library.restartPython(), and handle cluster libraries.

Resolve 'python indexerror string index out of range' in L-system fractal generation using Python turtle. Learn root cause, step-by-step fix, corrected code, and best practices for safe string iteration and axiom building.

Learn multiple methods to check if a column exists in Pandas DataFrame and conditionally add columns based on column verification.

Learn how to create a Python script that automates mouse clicks at specific screen coordinates triggered by QR code scanning using PyAutoGUI and pyzbar.

Learn what subscriptable means in Python, which built-in types support indexing operations, and how to check if objects support [] syntax with __getitem__.

Fix Python 3.14 win32com Outlook.Application 'Server execution failed' error. Learn about pywin32 compatibility issues and New Outlook limitations for COM automation.

Discover if Django Admin is suitable for production use in managing pharmacy products, inventory, orders, and users. Learn customization for permissions, UI, workflows, security best practices, and real-world examples.

Resolve Jupyter installation errors in Conda environment with Python 3.14. Use Python 3.13 env, step-by-step conda install jupyter notebook, ipykernel fixes, and kernel connection troubleshooting for compatibility.

Learn how to configure cdb.exe to suppress verbose output during dump analysis. Command-line switches, environment variables, and registry settings for minimal output.

Fix OperationalError when setting SQLite journal_mode to WAL in Python 3.12 sqlite3.connect(autocommit=False). Commit implicit transaction first or use persistent WAL setup for sqlite3 python apps.

Comprehensive Python cheat sheet with plain-text format covering key syntax, data structures, and frequently used functions for everyday coding tasks.

Fix ImportError 'BeamSearchScorer' when loading Coqui TTS xtts_v2. Offers compatible transformers/TTS/torch versions, a runtime shim, and a minimal env.