Customizing Scoring and Evaluation Metrics in scikit-learn
The simple scorer you forged was a solid piece of work. It took y_true and y_pred and produced a number that meant something to the business. A fine tool. But some jobs require more specialized instruments. A simple comparison of...
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Choosing Your First Programming Language: Everything You Need to Know Before You Start Coding
Understanding Blocking and Non-blocking Socket Operations
Python non-blocking sockets with setblocking(False). Handle BlockingIOError exceptions for responsive I/O. Avoid busy-wait loops and CPU polling with recv().
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Customizing Matplotlib with Style Sheets
Matplotlib plot customization with rcParams, style sheets, and the matplotlibrc file. Settings hierarchy from plt.style.use, context managers, to function arguments.
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Python for Everybody: Exploring Data in Python 3
Advanced Network Services with Python socket Module
Resilient network server in Python using the selectors module. Failure isolation, non-blocking I/O, and robust error handling for multiple concurrent clients.
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Defining Models and Tables in SQLAlchemy ORM
SQLAlchemy models define database structure and relationships. Learn to declare models, set defaults, and enforce data integrity for efficient application development.
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Python Programming Language: a QuickStudy Laminated Reference Guide
Best Practices for SQLite3 Database Management in Python
SQLite3 database management in Python: connection and cursor handling, context managers, transactions, and efficient resource management tips for optimal performance.
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