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Before I started, I had been trying to find a popular and intuitive example to introduce object-oriented. Look around and find that everything can be object-oriented and nothing is object-oriented. Later, I found that the way human beings understand society is more object-oriented. "Birds of a feather flock together and people flock togeth ...

preface   Tetris has been popular for 30 years and has become the best-selling stand-alone game in history. Why is it so magical and enduring? Xiaobian summarized some reasons: it is very simple to start, but there are many skills to meet the desire to create order in chaos Engineer Alexei says people don't realize that simplicity does ...

preface This learning note is the learning content of Alibaba cloud Tianchi Longzhu plan machine learning training camp. The learning links are: https://tianchi.aliyun.com/specials/promotion/aicampml Competition link: Come and explore happiness together! Friendly reminder: I just started learning machine learning. Some places may not b ...

File directory operation example 1 - traversal The practical operations available in this example are: making file and directory management program, disk occupancy management, batch copying, moving and compressing files and directories, etc. The basic implementation uses get to recursion and os.walk; The extended implementation will get to ...

Problem analysis: Error installing whl from pip: ERROR: *** is not a supported wheel on this platform This is because pip will verify whether it is suitable for the current environment according to the name of whl. Two situations may lead to this error: 1. Environment adaptation, but the verification fails due to the self modified naming of ...

preface What is monkey patch in python?, What are the usage scenarios? Monkey patch is mainly used for the following purposes: Replace methods, properties, and so on at run time Add previously unsupported functions without modifying third-party codes Add a patch to the object in memory at run time instead of adding it to the source code on dis ...

Bold style @[toc] Computer composition hardware system cpu: cpuMemory: internal memory: external memory: hard disk u diskInput devices: keyboard, mouseOutput devices: monitors, printers software system System software: operating systemApplication software: qq, wechat python Fundamentals notes Single-Line Comments # multiline comme ...

HanLP Chinese word segmentation, person name recognition and place name recognition Experimental purpose Download and install HanLP natural language processing package from the Internet;Familiar with the basic functions of HanLP natural language processing package;Using the information obtained by the web crawler, call the API of HanLP for Ch ...

When it comes to the concept of cache, I think everyone should be familiar with it. Cache applications represented by Redis and Memcache have basically become the standard configuration of microservice architecture. In fact, it does not mean that Redis and other services must be deployed to use cache. For example, in small single applications ...

The core content of this article is data cleaning. Data cleaning The steps of data work should be: Data acquisitionData cleaningData analysisData visualization and modeling Therefore, in the last blog post, I said that the next blog post will talk about an important step in data analysis We should know that data cleaning is carried out for t ...