Programmer Think

Sometimes we have such a demand: We define a Python method. The method receives some parameters, but we want to expose these parameters on the command line when calling. For example, here is a crawling method: import requests def scrape(url, timeout=10): response = requests.get(url, timeout=timeout) print(response.text) Here, a s ...

1, Narration (beginning of story) The other day, my sister asked me to go out secretly and asked me to see a movie emmm.... It's nothing. Let's go. Hey, hey ~ Go?? I regretted going there. I found a park and sat watching movies on my mobile phone Feeding mosquitoes, sweating, watching boring movies, the key is that she doesn't let me idle, ...

Python wechat ordering applet course video https://edu.csdn.net/course/detail/36074 Python actual combat quantitative transaction financial management system https://edu.csdn.net/course/detail/35475 Catalogue* 1. Demand 2. Steps3. Code implementation (1) Receive user input target file name(2) Planning backup file name(3) Backup file writ ...

pack_padded_sequence and pad_packed_sequence   When using RNN to train sequence sample data, we will face the situation of different length of sequence sample data. For example, when doing NLP tasks and speech processing tasks, the length of each sentence or speech sequence is often different. Do you want to feed the network one by one for tr ...

Relevant documents Pay attention to Xiaobian, and receive private letter Xiaobian! Of course, don't forget a three in a row~~ Yes, we can pay attention to the official account of Xiaobian yo ~ ~ Python log development environment Python version: 3.6.4 Related modules: pygame module; And some Python's own modules. Environment construction ...

preface K-nearest neighbor (k-NN) is a basic classification and regression method. It is one of the simplest algorithms in data mining technology. Its core function is to solve the supervised classification problem. KNN can quickly and efficiently solve the prediction classification problem based on special data sets, but it does not produce ...

Recently, I am writing a project in python. I hereby record the file encryption and decryption problems encountered in the project. As for the encryption algorithm of python version, you can still retrieve a lot by searching it casually, but most of them are the same article published back and forth on different platforms, or reprinted, and the ...

20. Web development CS architecture: C refers to the Client, and the software runs on the desktop; S refers to the Server, and the database runs on the Server. CS architecture is not suitable for the Web. The biggest reason is that the modification and upgrading of Web applications are very fast, and CS architecture requires each client to up ...

Cause: when implementing a system, we need to add the scratch crawler framework, which involves multiple crawlers. Originally, we just wanted to simply start the crawler. We refer to the fifth link, but it is still inconvenient. Later, we learned that scratch can manage crawlers, such as modify, delete, add, run, etc., so we introduced the scra ...

Design pattern with Python 4: factory pattern Factory pattern essentially includes two different design patterns: factory method and abstract factory. But they essentially encapsulate the created objects, so as to realize the decoupling design pattern to some extent, so they are introduced together. Different from the Head First design patter ...