Tagged articles

13 articles

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Nov 20, 2025 · Fundamentals

10 Practical Python 3.14 Features That Boost Code Efficiency

Python 3.14 introduces a collection of subtle yet useful enhancements—such as TypedDict's NotRequired, improved static analysis, lazy imports, clearer error messages, a new contextlib.chdir manager, refined async task cancellation, better subprocess isolation, richer pattern‑matching errors, and import‑time profiling—that together make scripts run smoother, easier to debug, and more maintainable.

3.14PythonTypedDict

0 likes · 7 min read

10 Practical Python 3.14 Features That Boost Code Efficiency

Raymond Ops

Apr 27, 2025 · Fundamentals

9 Powerful Python Techniques to Copy Files Efficiently

Learn nine distinct Python approaches for copying files—including shutil functions, os commands, threading, and subprocess methods—while understanding their performance implications, error handling, platform compatibility, and when to choose each technique for optimal I/O efficiency.

copyfilefile I/Oshutil

0 likes · 12 min read

9 Powerful Python Techniques to Copy Files Efficiently

Code Mala Tang

Apr 1, 2025 · Backend Development

Enforcing Python Function Timeouts: Libraries, Multiprocessing & Subprocess

This article explains why limiting a function's execution time is crucial for stability, and demonstrates multiple Python techniques—including the func-timeout library, custom multiprocessing, subprocess.run, and signal handling—to set and manage timeouts effectively.

Error HandlingPythonfunction timeout

0 likes · 8 min read

Enforcing Python Function Timeouts: Libraries, Multiprocessing & Subprocess

Ops Development & AI Practice

Sep 30, 2024 · Fundamentals

Mastering Python’s subprocess.run: Tips, Parameters, and Best Practices

Learn how to effectively use Python 3’s subprocess.run() function—including the powerful check=True option—to execute system commands, capture output, handle errors, and leverage key parameters such as stdout, stderr, text, and capture_output, with practical code examples and best‑practice guidelines.

Code ExamplesError Handlingsubprocess

0 likes · 7 min read

Mastering Python’s subprocess.run: Tips, Parameters, and Best Practices

MaGe Linux Operations

Jul 17, 2024 · Fundamentals

9 Powerful Python Techniques to Copy Files Efficiently

This tutorial explores nine different Python approaches—including shutil, os, threading, and subprocess—to copy files, explaining their behavior, performance implications, error handling, and platform considerations so you can choose the most suitable method for your application.

file copyosshutil

0 likes · 12 min read

Python Programming Learning Circle

Jan 17, 2024 · Information Security

How to Retrieve Saved WiFi Passwords on Windows Using CMD and Python

This guide shows how to list and export all saved WiFi profiles on a Windows PC via the command prompt and a Python script, explains the use of the subprocess module for executing system commands, and includes notes on UTF‑8 handling and related code examples.

PythonWiFiWindows

0 likes · 7 min read

How to Retrieve Saved WiFi Passwords on Windows Using CMD and Python

Python Programming Learning Circle

Jun 16, 2022 · Backend Development

Python Script to Keep Campus Network Connection Alive

This article explains how to use a Python script that continuously pings an external address and automatically logs into a campus web authentication portal via HTTP POST when the connection drops, ensuring the computer stays online for remote access, and provides the full source code and setup instructions.

Base64Campus WiFiHTTP POST

0 likes · 4 min read

Python Script to Keep Campus Network Connection Alive

360 Quality & Efficiency

May 13, 2022 · Backend Development

Using Python's subprocess Module in a Data Construction Platform: Basics, Issues, and Solutions

This article explains how the Python subprocess module is employed in a data construction platform, compares run and Popen methods, discusses challenges such as incomplete log capture and process termination, and presents three practical solutions to ensure reliable execution and logging.

Backendprocess-managementpsutil

0 likes · 9 min read

Using Python's subprocess Module in a Data Construction Platform: Basics, Issues, and Solutions

Python Programming Learning Circle

Dec 7, 2021 · Fundamentals

Handling Subprocess Pipe Buffer Limits and Avoiding Deadlocks in Python

This article explains why Python's subprocess.Popen can deadlock when the child process writes more data than the system pipe buffer (typically 4 MiB), and demonstrates practical solutions such as avoiding PIPE, using communicate(), and streaming output with StringIO to prevent the blockage.

PipeStringIOcommunicate

0 likes · 6 min read

Handling Subprocess Pipe Buffer Limits and Avoiding Deadlocks in Python

Python Programming Learning Circle

Nov 19, 2021 · Fundamentals

Using Python to Execute Shell Commands: os.system, os.popen, commands, and subprocess

This article explains Python's built‑in methods for invoking shell commands—including os.system, os.popen, the commands module, and the subprocess module—detailing their return values, usage examples, and when to choose each approach for capturing command output.

Command ExecutionOS moduleShell

0 likes · 4 min read

Using Python to Execute Shell Commands: os.system, os.popen, commands, and subprocess

Python Programming Learning Circle

Mar 31, 2020 · Backend Development

Four Ways to Execute Shell Commands in Python

This article explains four Python techniques—os.system, os.popen, the commands module, and subprocess—for running shell commands, comparing their ability to capture output, return status, and recommending subprocess as the most flexible modern solution.

PythonShellcommands

0 likes · 3 min read

Four Ways to Execute Shell Commands in Python

NetEase Game Operations Platform

Sep 21, 2019 · Backend Development

Investigation of Subprocess Pipe Blocking in a Python Agent

The article analyzes a rare blocking issue in a Python Agent where a subprocess created via subprocess.Popen hangs due to an unclosed pipe inherited by a forked child process, demonstrates debugging steps using thread frames and lsof, and provides a reproducible example and mitigation recommendations.

DebuggingLinuxPipe

0 likes · 10 min read

Investigation of Subprocess Pipe Blocking in a Python Agent

MaGe Linux Operations

Jun 21, 2017 · Backend Development

How to Run External Programs in Python on Windows Using os, win32api, and ctypes

This guide explains multiple methods for executing external programs and scripts from Python on Windows, covering the simple os.system call, the win32api ShellExecute function, creating processes with win32process.CreateProcess, and invoking kernel32.dll functions via ctypes, complete with syntax, parameters, and example code.

ctypessubprocesswin32api

0 likes · 5 min read

How to Run External Programs in Python on Windows Using os, win32api, and ctypes