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Flask API error handling for JSON. Custom JSON error responses for 404 and 500 status codes using @app.errorhandler instead of Flask's default HTML pages.
The post Serving JSON Data with Flask appeared first on Python Lore.
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...
The post Customizing Scoring and Evaluation Metrics in scikit-learn appeared first on Python Lore.
Python non-blocking sockets with setblocking(False). Handle BlockingIOError exceptions for responsive I/O. Avoid busy-wait loops and CPU polling with recv().
The post Understanding Blocking and Non-blocking Socket Operations appeared first on Python Lore.
Matplotlib plot customization with rcParams, style sheets, and the matplotlibrc file. Settings hierarchy from plt.style.use, context managers, to function arguments.
The post Customizing Matplotlib with Style Sheets appeared first on Python Lore.
Resilient network server in Python using the selectors module. Failure isolation, non-blocking I/O, and robust error handling for multiple concurrent clients.
The post Advanced Network Services with Python socket Module appeared first on Python Lore.
SQLAlchemy models define database structure and relationships. Learn to declare models, set defaults, and enforce data integrity for efficient application development.
The post Defining Models and Tables in SQLAlchemy ORM appeared first on Python Lore.
SQLite3 database management in Python: connection and cursor handling, context managers, transactions, and efficient resource management tips for optimal performance.
The post Best Practices for SQLite3 Database Management in Python appeared first on Python Lore.
MongoDB write concerns define acknowledgment levels for write operations, impacting data durability and application reliability. Understand configurations like w: 1, majority, and journal settings.
The post Understanding Write Concerns in MongoDB with Pymongo appeared first on Python Lore.
