Install python3 in centos7

1. Install the corresponding compilation tools In the root user (do not use ordinary users, trouble), all copy and paste in the past, a one-time installation yum -y groupinstall "Development tools" yum -y install zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel readline-devel tk-devel gdbm-devel db4-devel libpcap-devel xz-devel ...

Posted by guido88 on Thu, 18 Jun 2020 20:12:07 -0700

[Python and Office software] xlwt and Excel table: cell format, font format, alignment, border and filling, etc

Python xlwt module Excel table foundation 3: cell format, font format, alignment, border and fill, etc preface: 1. Data type settings 2. Font settings 3. Cell alignment 4. Cell border settings 5. Fill settings 6. Cell protection last: preface: The first two sections of the blog introduce some ba ...

Posted by PallaviDalvi on Thu, 18 Jun 2020 01:01:27 -0700

Dictionary derivation, list push

List derivation and dictionary derivation of python 1. List derivation A list derivation is a conditional derivation used in conjunction with a loop to return a list, and the entire expression needs to be within [] because the return value is also a list Requirement: multiply the even number from 0 ...

Posted by seaten on Wed, 17 Jun 2020 19:56:14 -0700

Write VIO from scratch

Here is a summary of the second job from zero-handwriting VIO: Homework title: 1 Emulation Code Parsing Emulation code address:https://github.com/HeYijia/vio_data_simulation In addition to the generic version of the simulation code, the github repository also provides the ROS version of the simulation ...

Posted by twistedmando on Wed, 17 Jun 2020 09:34:00 -0700

day8-python tuples, dictionaries, collections.

Article Directory Tuples, Dictionaries and Collections 1. Tuples 1. What is a tuple 1) Empty tuples: () 2) Tuples of a single element: (element) 3) Tuples of multiple elements: 2. Get the elements in the tuple 1) List of ways to get elements tuple support 2) Other ways (the same applies to lists) ...

Posted by suresh_m76 on Wed, 17 Jun 2020 09:25:45 -0700

python operating Excel to realize automatic report

Excel is one of the most widely used tools in daily office. Learning it well can help us save time, improve work efficiency, and learn to use Excel flexibly and efficiently. I think those who can use most excel built-in formulas and VBA are experts. But the more advanced is to use the program to op ...

Posted by x_maras on Wed, 17 Jun 2020 01:52:44 -0700

Construction of appium automatic test environment

1. Installation Node.js Reason: Appium is implemented with nodejs, so node is interpreter Download address: https://nodejs.org/en/download/releases/ Be careful Node.js Compatible with the version of Appium, you can check: https://github.com/appium/appium/releases After installation, open cmd to check ...

Posted by tomash on Wed, 17 Jun 2020 00:53:05 -0700

In order to make my girlfriend happy, I used Python to grab all the major recipe information (see how I did it)

preface: In the holiday, often want to try their own cooking, kitchen this website is a good choice. Under the kitchen is one of the necessary sites, mainly provides a variety of food practices and cooking skills, including many kinds. Today, I will teach you to climb and take down the recipes in th ...

Posted by Roddy87 on Tue, 16 Jun 2020 22:03:11 -0700

Python notes 1 - numpy section

Start to sort out the important modules of python and the parts that you often forget. First, let's study and sort out numpy. First of all, numpy (Numerical Python) is a very important library of python. It is also a program library that I often use in my study and work process. It is mainly used for ar ...

Posted by mccormr7 on Tue, 16 Jun 2020 20:30:40 -0700

Python threading multi thread advanced (thread guard, thread synchronization - mutex and recursive lock, BoundedSemaphore, Event)

Article catalog Multithreading (review) General creation method (not commonly used) Custom thread (inherited threading.Thread) Advanced knowledge Daemons Let the main thread wait for the child thread to end Thread sharing global variables Thread synchronization mutex Recursive lock BoundedSemapho ...

Posted by hitman6003 on Mon, 15 Jun 2020 23:23:34 -0700