Category：Python
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Python multithreading task instance
catalogue One for a good meal every dayExcelAfter we import the summarized dining data into the database, the administrative office service compares it with the dining data in the company. The initial implementation is single threaded, andimport_recordsThe part after removing multithreading is almost the same. Read Excel data – > send to administrative service interface […]
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An example of Python creating a dictionary with functions
1. Use the dict () function to establish a dictionary through other mappings (such as other dictionaries) or sequences of key value pairs. Dict1 = dict (a =’a ‘, B =’b’, t =’t ‘) # incoming keyword print(dict1) Dict2 = dict (ZIP ([‘one ‘,’ two ‘,’ three ‘], [1, 2, 3])) # mapping function to […]
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Send an email to Python
Python SMTP send mailSMTP (Simple Mail Transfer Protocol) is the simple mail transfer protocol. It is a set of rules used to transfer mail from source address to destination address, which controls the transfer mode of mail. Python’s SMTP lib provides a convenient way to send e-mail. It simply encapsulates the SMTP protocol. Python creates […]
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Python Taobao crawler small example
Brothers, have you cut your hands on double eleven? Although shopping is happy, don’t overdo it. After all, many price cuts are not real price cuts. Your eyes are shining~ Today, let’s try to climb a treasure. If you learn to outsource, it’s still worth a few dollars. Environment / module introduction Environment used by […]
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[JS reverse hundred examples] the second question of the anti climbing practice platform for netizens: jjencode encryption
Follow wechat official account: brother K crawler, and continue to share advanced crawler, js/ Android reverse and other technical dry goods! statement All contents in this article are only for learning and communication. The packet capturing content, sensitive website and data interface have been desensitized. It is strictly prohibited to use them for commercial and […]
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Detailed explanation of MessageBox pop-up window of Tkinter Library in Python
“The ancients’ knowledge is weak, but their Kung Fu can only be achieved when they are young and old.” Python Tkinter library pop-up message box,It’s not easy to code words, but it’s more difficult to produce high-quality products. If you’re not particularly lucky, please make special efforts first. Don’t fail because of laziness, and hypocritically […]
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CatBoost_ Learning records
reference resources: CatBoost – open-source gradient boosting library The most detailed catboost parameter explanation and example application_ The same name of the whole network: Xiaobai’s blog in the code world – blog_ Catboost parameter use Routines for classification problems: catboost/classification_tutorial.ipynb at master · catboost/catboost (github.com) input Pool is a form used to organize data in […]
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Python basic learning day 8
Article catalogue Python private properties, single inheritance, and method rewriting 1. Private attributes and methods 2. Pseudo private attributes and private methods 3. Succession 3.1 concept of inheritance 3.2 syntax of inheritance 3.3 transmissibility of inheritance 3.4 multi inheritance 4. Polymorphism 5. Class attribute Structure of class 5.1 5.2 class attribute and instance attribute 5.3 […]
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[design reference] the noise detection system built by esp32 + Haas Python keeps away from noise and enjoys tranquility
Noise detection system In addition to the function description in the following figure, please refer to step 3 in this case. After the hardware connection is completed, we suggest you use the “one minute cloud experience” function to experience the actual operation effect of this case in advance. brief introduction In today’s society, noise pollution […]
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Use Python + flask to develop blog projects and achieve intranet penetration
preface Flask is a lightweight web framework written in Python. Compared with other frameworks of the same type, this framework is more flexible and lightweight. And it has strong customization, users can add functions according to their own needs, and has a powerful plug-in library, which is why this framework has been hot in the […]
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Baidu translation excel table
import requests This work adoptsCC agreement, reprint must indicate the author and the link to this article
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[Python] requests library crawler’s actual crawling music (nanny level graphics and text + detailed code comments + complete project code)
@ catalogue API Description: matters needing attention How to get music mp3 download address Free songs Paid songs Download songs Requests parsing web page routine Welcome to pay attentionPython series, continuously updating Welcome to pay attentionPython series, continuously updating Free crawling paid music of crawler actual combat (nanny level picture and text + detailed code […]