python object-oriented seven property() function and @ property decorator

1, property introduction In order to keep the properties of the object from being exposed to the caller and check the property value, the interface function to access the property is set, and the property can be accessed by using the function, and the property can be checked inside the function. 1 >>> class Student(object): 2   ...

Posted on Fri, 08 May 2020 08:28:00 -0700 by matte

Python opncv reading and saving pictures

1. OpenCV reads pictures 1.1 brief introduction The method of OpenCV to read the picture is cv2.imread(). The format of the read picture is BGR, which is the opposite of the format of the regular color image (RGB). This must be noted. OpenCV displays the picture in cv2.imshow(), and the format is BGR. Xiaosheng said in this O(∩∩∩&ca ...

Posted on Fri, 08 May 2020 08:08:34 -0700 by warpdesign

Autojs 4.1.0 practical course -- the last surprise

Code and Apk are shared to you, each taking what you need, direct Apk on hook, direct source code of programming programmer: https://pan.baidu.com/s/1rXSVZAf2dVfYKiwoLFhSEg Extraction code: nbiw It's really not easy to write now. Articles are blocked by various platforms. The more dry cargo tiktok, the harder to survive, what is the operation ...

Posted on Thu, 07 May 2020 22:08:30 -0700 by Hodo

Teach you how to realize 12306 automatic ticket grabbing in Python 3. Beginners must learn

Recently, I was learning python, so I wrote this 12306 ticket grabbing script in Python, shared it with you, and shared it with you. If there is something wrong, please correct it. Don't say much, go to the main topic: before going to the main topic, I want to explain that due to the update of 12306 official website, the script has made a littl ...

Posted on Thu, 07 May 2020 19:52:11 -0700 by pabs1983

What if the favorite songs are not on the same platform? You need your own music player

    Preface Netease cloud music, QQ music and cool dog music are music software we often use. Of course, sometimes we need to jump on major music platforms because of a song, so we can create a music player by ourselves using python Knowledge points:1.python basic knowledge2.requests Library3.time4.pygame5.tkinter6. Thread Environmental Scie ...

Posted on Thu, 07 May 2020 08:34:41 -0700 by BTalon

CTF-Pwn-[BJDCTF 2nd] r2t3

CTF-Pwn-[BJDCTF 2nd] r2t3 Blog description The information involved in this article comes from Internet collation and personal summary, which means personal learning and experience summary. If there is any infringement, please contact me to delete, thank you! This article is only for learning and communication, not for illegal use! CTP platfo ...

Posted on Wed, 06 May 2020 08:15:48 -0700 by poknam

PEP 468: Preserving Keyword Argument Order

Python 3.6.0 optimized the dictionary. The new dictionary is faster, takes up less memory, and is amazing.Looking at the data on the Internet, most of them point to [Python-Dev] More compact dictionaries with faster iteration This article is creative in outlining the differences between the old dictionary and the new dictionary, as well as the ...

Posted on Tue, 05 May 2020 19:01:48 -0700 by beefy23

Python daily two questions series

Python daily two questions series (December 30) In each question, I will use n methods to solve it, to help you broaden your thinking and practice the program No.1: There are four numbers: 1, 2, 3 and 4. How many three digits that are different from each other and have no repetition? How many are each? Program ana ...

Posted on Tue, 05 May 2020 13:11:49 -0700 by elecktricity

Install and use the automation tool Ansible in CentOS 7

Ansible is a free and open source configuration and automation tool developed for Unix like systems. It's written in Python, similar to Chef and Puppet, but with one difference and advantage, we don't need to install any clients in the node. It uses SSH to communicate with nodes. Step 1: install Ansible using yum rpm ...

Posted on Tue, 05 May 2020 08:45:37 -0700 by cneale

python3 implements 12306 to query the remaining tickets

1, Principle of querying the remaining tickets The normal user's web browser usually enters 12306 official website to query the remaining tickets. You can click to query the starting station, terminal station and date. If you use Python to operate, there are two schemes. One is based on selenium 2 automatic framework ...

Posted on Tue, 05 May 2020 05:38:20 -0700 by Dude0