Freaks City

This crawler fetches content from a CSDN personal blog (either the main page or a category) and saves each article as a text file. Ensure the target URL includes ?viewmode=contents to retrieev all entries. Basic Crawler The basic version extracts article links from a page and saves each article’s content: # -*- coding: utf-8 -*- import urllib2 ...

The DecisionTreeClassifier from scikit-learn is a versatile supervised learning algorithm used for classification tasks. It operates by constructing a tree-like model of decisions, where each internal node represents a "test" on an attribute, each branch represents the outcome of the test, and each leaf node represents a class label ( ...

Data Acquisition and PartitioningThe initial phase involves importing the Iris dataset and partitioning it into subsets for training and testing. This ensures that the model's performance can be evaluated on unseen data.from sklearn.datasets import load_iris from sklearn.model_selection import train_test_split # Load the dataset iris_bunch = l ...

Introduction Python-uiautomator2 is an open-source automation testing tool specifically designed for testing native Android applications. Supported Platforms and Languages Python-uiautomator2 wraps Google's built-in uiautomator2 testing framework, providing convenient Python interfaces. It allows testers to write Python test code directly on a ...

HTTP Communication Foundations The Python ecosystem offers robust solutions for network communication. Urllib3 delivers production-grade HTTP client capabilities featuring thread-safe connection pools, granular SSL/TLS certificate validation, and support for multipart file uploads. It handles compression encoding, retry logic, and proxy routing ...

Opening Files in the Same Directory In Python, you can read or write files using the built‑in open() function. When the target file resides in the same folder as your script, a relative path makes the code portable and easy to maintain. The following example loads a configuration file named settings.cfg located in the same directory: config_pat ...

The SMS sending functionality is refactored using the Singleton pattern to ensure the REST SDK is initialized only once. The sms.py module wraps the cloud communication SDK: # -*- coding: utf-8 -*- import logging from CCPRestSDK import REST # Credentials and configuration ACCOUNT_SID = '8aaf07085f9eb021015fb58c56d906e8' ACCOUNT_TOKEN = 'e21ca ...

This guide provides a detailed walkthrough for installing Anaconda on Windows, including configuration steps and managing multiple Python installations. Installation Process After downloading the Anaconda installer, double-click the executable to begin. Follow the installation wizard, paying attention to the following key steps: Accept the lic ...

The puzzle presents a substitution pattern where characters shift forward by two positions in the alphabet: K becomes M, O becomes Q, and E becomes G. This classic Caesar cipher requires transforming each letter in the provided ciphertext to reveal instructions for advancing to the next stage. Implementing the solution using Python 3's str.make ...

Building CPython: PrerequisitesCompiling CPython from source requires the following environment specifications:A C11-compatible compiler. Optional C11 features are not mandatory.IEEE 754 floating-point support, including Not-a-Number (NaN) handling.Threading capabilities.OpenSSL 1.1.1 or newer for the ssl and hashlib modules.Microsoft Visual St ...