Coursera Wu Enda "Neural Network and Deep Learning" Week 3 Programming Job

... # Package imports Import numpy as np Import matplotlib.pyplot as plt From testCases import * Import sklearn Import sklearn.datasets Import sklearn.linear_model From planar_utils import plot_decision_boundary, sigmoid, load_planar_dataset, load_extra_datasets %matplotlib inline #seed( )...


Python uses the decorator to implement the singleton pattern

... 1, decorator python, everything is an object, the same function is also an object. The function object has a __name__ attribute that looks at the name of the function. def demo(): print("xxx") print(demo.__name__) output: demo Suppose we want to enhance the function of the function...


Numpy.random.seed() intuitively understands that the

... seed() function is used to control the generation of regular random numbers . When there is a value in (), a random number associated with the value is generated import numpy as np For example, when the value in () is 0, np.random.seed(0) print(np.random.randn(1, 3)) np.random.seed(0)...


BeautifulSoup Experience Summary

... BeautifulSoup Use Experience Summary Overview Processing data, always facing HTML and XML documents. BeautifulSoup is a Python library that can extract data from HTML or XML. It is powerful and easy to use. It is a simple and honest data processing tool. install Since the installation...


OpenCV

... @openCV introduced in Python environment Open Source Computer Vision Library.OpenCV was established by Intel in 1999 and is now supported by Willow Garage. OpenCV is a cross-platform computer vision library based on BSD license (open source) distribution that runs on Linux, Windows, and...


Recommended book "Django Web Development Guide" with download link

... This book describes how to build a powerful Web solution using the Python framework Django. This book explains the techniques needed to use the various major features of the new Django 1.0 version. , tools and concepts. The book is divided into 12 chapters and 6 appendices, including...


Recommended book "Lovely Python" with download link

... The content of this book mainly comes from the CPyUG community mailing list, organized by Python practitioners based on their own experience, is for other language programmers who have never heard of Python. Prepare a practical guide book. The author tries to convey the optimized...


Recommended book "Python Learning Manual (4th Edition)" with download link

... Google and YouTube Because Python is highly adaptable, easy to maintain, and suitable for rapid development. If you want to write code that is high quality, efficient, and easy to integrate with other languages ​​and tools, the Python Study Handbook: 4th Edition will help you do this...


Anaconda3+PyQt5+PyQt5_tool+Visual Studio Code environment build

... After installing Anaconda3, install Visual Studio Code. In order to perform GUI programming, you also need to install pyqt and pyqt_tool. The following is a long and painful installation tour: First explain that pyqt and pyqt_tool Pyqt implement the Python binding of the Qt library,...


The python __getattr__ and __setattr__ methods

... 1、__getattr__ intercept point operations. When a dot operation is performed on an undefined attribute name and an instance, the method is called with the attribute name as a string. If the inheritance tree can find the property, then this method is not called δΎ‹: When x.age is adjusted,...