Pro test! Pycharm professional (Professional Edition) is a perfect solution, which is permanently activated

Before I wrote this blog, I tried many methods that were not feasible. It took only two months to find one that was feasible. Of course, for obsessive-compulsive patients, it is not limited to this! So I found the following method, the use of 2100, can be said to be permanent crack.. For installation of pycharm, please refer t ...

Posted on Sat, 04 Jan 2020 05:54:23 -0500 by thiscatis

The solution to the error report of Pygal's world map drawing from pygal.i18n import COUNTRIES

A bold attempt is the key to debugging! Especially when the information is insufficient, it can save half a day to try boldly and avoid the trouble of debugging. First of all, we will show the results of this paper to prove the authenticity of the article. The results are as follows: Note: pygal is a web interactive p ...

Posted on Thu, 02 Jan 2020 20:05:04 -0500 by SBro

Linux file management

1. touch - create empty file and refresh time Format: * touch [option]... File [root@centos6 data]# touch f1.txt / / create the file f1.txt in the / data directory [root@centos6 data]#ll / / the details of f1.txt are displayed, indicating that the creation is successful total 0 -rw-r--r-- . 1 root root 0 Mar 10 17:45 f1.txt [root@cento ...

Posted on Tue, 10 Dec 2019 05:03:04 -0500 by sword

Notes on data science and artificial intelligence technology IV. image preprocessing

IV. image preprocessing Author: Chris Albon Translator: Flying dragon Agreement: CC BY-NC-SA 4.0 image binaryzation # Loading Library import cv2 import numpy as np from matplotlib import pyplot as plt # Load image as grayscale image_grey = cv2.imread('images/plane_256x256.jpg', cv2.IMREAD_GRAYSCALE) # Apply adaptive threshold m ...

Posted on Sun, 08 Dec 2019 05:01:47 -0500 by scrubbicus

The use of crond in linux

1. cron timing task linux is used to perform certain specific operations, such as scheduled backup files, scheduled update / delete files, which will use the scheduled task cron is a service command. crond is a daemons used to execute services. crond checks every minute if there are any tasks to execute Crontab is the file of crond timing chec ...

Posted on Sat, 07 Dec 2019 16:53:43 -0500 by jdaura

python easy installation tutorial

conda A python multi version and python package management tool download We choose the mini version and download the used package as required Minionda installation documentation Download other historical versions conda installation bash Miniconda3-latest-MacOSX-x86_64.sh conda use Create python specified environment conda create ...

Posted on Fri, 06 Dec 2019 18:11:34 -0500 by jbruns

Ubuntu 16.04 Usage Notes

Linux Note Prohibit updates Running and terminating background instructions Background command run $ nohup 'your command' & Background instruction termination 1. View running background processes $ ps -ux|grep python |grep -v grep a: Show all programs u: User-centric format for display x: Displays all programs, not distinguished by te ...

Posted on Thu, 05 Dec 2019 03:41:09 -0500 by djcritch

Semi-automatic system installation

Catalog Semi-automatic system installation Homemade Answer File 1. Make kickstart half Install CentOS system dynamically 2. KickStart is similar to anaconda-ks.cfg and consists of three parts as a whole: 1. Command segment: 2. Package segment: 3. Script segment: Prerequisite ...

Posted on Sat, 16 Nov 2019 07:40:34 -0500 by the_ut_tick

Selenium Project Quick Start (Python-based)

Selenium is an automated test tool that allows us to drive browsers to perform specific actions, such as clicking, dropping down, and so on. This article will explain step by step from environment deployment to project development, including some problems that may be encountered during the process, all of which will be answered one by one. The ...

Posted on Thu, 14 Nov 2019 13:30:25 -0500 by Rob the R

Teach you how to download your favorite music in bulk using Python

Preface Text and pictures of the text come from the network for learning and communication purposes only. They do not have any commercial use. Copyright is owned by the original author. If you have any questions, please contact us in time for processing. PS: If you need Python learning materials for your child, click on the link below to get th ...

Posted on Sun, 10 Nov 2019 02:42:46 -0500 by neil.johnson