Optimize Python program performance and prevent memory leaks with sys.getrefcount. Understand reference counting and its impact on object lifetimes. Learn how to use sys.getrefcount for monitoring and debugging reference counts in your code.
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Improve the performance of your SQLAlchemy application by addressing common bottlenecks such as the N+1 query problem, ineffective joins, excessive use of dynamic loaders, and lack of proper indexing. Optimize your application for better performance with specific techniques.
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Manage and authenticate users in MongoDB with PyMongo. This Python library is the recommended choice for working with MongoDB, offering features like querying, inserting, updating, and deleting documents. Its flexibility and scalability make it ideal for Python developers working with big data and high-volume data storage.
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Substituting Strings with re.sub: Python's re module offers the versatile re.sub() function for string replacements and pattern-based substitutions. Learn how to use regular expressions to search for and replace specific patterns in a string, with advanced techniques, special cases, and best practices included.
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Implement regression models easily and effectively with scikit-learn, a popular Python library for machine learning. Understand the relationship between variables and forecast future observations using linear and non-linear regression models. Dive deeper into data preparation, implementation, evaluation, and fine-tuning for optimal performance.
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Explore the power of Singular Value Decomposition (SVD) in linear algebra with numpy.linalg.svd. Learn how to decompose matrices into U, Σ, and V* and leverage SVD for signal processing, dimensionality reduction, and more. Implement SVD efficiently in Python using the numpy library.
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Enhance JSON serialization in Python by subclassing the JSONEncoder class. Override the default method to implement custom serialization behavior for complex objects. This approach allows smooth conversion of non-serializable objects, like datetime, into a JSON-friendly format, ensuring seamless data interchange between systems and applications.
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Build WebSocket Servers and Clients with asyncio - Learn how to establish bidirectional communication channels between clients and servers using WebSockets. Explore the advantages of WebSockets for real-time applications and discover how to implement WebSocket servers and clients using Python's asyncio library.
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