Seven common sorting algorithms of comparison class (detailed explanation of python)

Seven common sorting algorithms of comparison class (detailed explanation of python) Seven common sorting algorithms of comparison classes Bubble sort, insert sort, select sort, fast sort, Hill sort, merge sort, heap sort explanation and python implementation Algorithm stability: for the values with e ...

Posted by hawkenterprises on Fri, 19 Jun 2020 22:03:29 -0700

Face recognition based on opencv+python+pycharm

Face recognition based on opencv+python+pycharm catalog preface preparation in advance Face detection Sample collection Sample training epilogue preface I am a sophomore in the University, programming rookie. Recently, I did the final course design, and the topic I chose was face recognition. W ...

Posted by meritre on Fri, 19 Jun 2020 04:31:25 -0700

a21_Python development web crawler - learning notes

Select reference Because I am learning to write at the same time, rather than starting to write in a very organized way after I have learned it completely, so reference materials are very important (originally personal development experience is very important, but I am zero Foundation) Official Py ...

Posted by zero816 on Fri, 19 Jun 2020 03:15:13 -0700

How to use GDAL/OGR to open the vector and output the point data within the rectangle outside each face

How to use GDAL/OGR to open the vector and output the layer data range and each employee feature range 0. Conception 1. arcmap view data attribute information 2. Output the extent of the external rectangle of each data 3. Generate point data according to the outer rectangular range The main purpos ...

Posted by kwong on Fri, 19 Jun 2020 01:22:19 -0700

Python sorting algorithm

Python sorting algorithm All the following sorting methods will use the swap function to exchange the positions in the two lists. The code is as follows: def swap(lyst,i,j): temp = lyst[i] lyst[i]=lyst[j] lyst[j]=temp 1. Select Sorting: Principle (integer list sorting from small to larg ...

Posted by efegue on Thu, 18 Jun 2020 22:36:23 -0700

Fast start fapy

Fast start fapy Understanding of fapy package install features Examples of use Usage of command line tools (ytdl) ytdl example: Understanding of fapy package Today, when I was paddling the water, I picked YouTube. After a fierce operation, I couldn't find the url I wanted. So I googled it and ...

Posted by frikus on Thu, 18 Jun 2020 21:15:56 -0700

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