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With the aesthetic orientation of health, beauty, youth and fashion, 169 Beauty Picture Network shows the beauty of beauty for the vast number of netizens and appreciates the beauty and feelings of the contemporary young female generation. Source sharing: 1 ''' 2 What can I learn from my learning process? 3 python Learning Exchange B ...

Douban Film TOP250 and Book TOP250 Reptiles Recently, I started to play Python. When I learned about crawlers, I had a whim. I crawled the toP250 movie and the book TOP250. Here I record the process of my playing. Movie TOP250 Reptiles import requests from bs4 import BeautifulSoup import time def getlist(list_url): time.sleep(2) res = ...

Data Set Introduction CIFAR 10, like MINIST, is a very suitable data set for the introduction of machine learning. It contains a total of 50,000 training pictures and 10,000 test pictures. There are ten categories in these pictures. In this paper, we will build a very simple convolutional neural netwo ...

Intelligent Mail Marketing Using Markov Model in MapReduce (II) In this blog, we use MapReduce Computing Framework to generate the following output for each customer-id customerID (Date1Date_1Date1​,Amount1Amount_1Amount1​) ; (Date2Date_2Date2​,Amount2Amount_2Amount2​);...(DateNDate_NDateN​,AmountNAmo ...

    Serialization scheme Java RMI uses Java serialization Spring Cloud uses JSON serialization Although Dubbo is compatible with Java serialization, Hessian serialization is used by default. Java serialization principle   Serializable JDK provides the input stream object ObjectInputStream and the output stream object ObjectOut ...

Although new transitional animations have been introduced since Android 5.0, they are usually used only for specific occasions, and the general-purpose transitional animation of activity.overridePending Transition () is still common. Principle analysis startActivity(Intent(this,SecondActivity::class.java)) overridePendingTransition(enterAnim, e ...

intent introduction So how on earth do we jump from one window to another, and how does information from one window pass to another? Yes, through intent. Let's briefly introduce intent. There are two ways to use Intent in Android: explicit Intent and implicit Intent. //Explicit intent (this code ...

Code Link: 1 PCA brief introduction Principal Component Analysis (PCA) principal component analysis (PCA) algorithm has a strong application in image recognition and dimension reduction of high-dimensional data. The PCA algorithm can transform the original data linearly by calculating and choosi ...

Note: This article only describes the basic usage, and does not touch on the NIO, the NIO aspects of things, described in a later blog. Random Access File is placed before it is described. File In the filename system, the filename is used to locate the storage location metadata: the data describing the data, where we treat a file as a data, the ...

ThreadLocalMap uses the open address method to solve the conflict problem, and our protagonist HashMap uses the linked list method to deal with the conflict. What is the linked list method? data structure In the hash table, each "bucket& ...