CentOS 7 installs Python 3.6, pip3 error problem
After installing Python 3.6.3 on CentOS 7, the following errors occurred when using the pip command
Traceback (most recent call last):
File "/usr/Python3.6.3/lib/python3.6/site-packages/pip/basecommand.py", line 215, in main
status = self.run(options, args)
File "/usr/Python3.6.3/lib/python3.6/site-packages/pip/commands/search.py", l ...
Posted on Mon, 13 Jul 2020 12:30:51 -0400 by ionik
python3 implements mysql export excel
I. Preparations
Python Tool Library Installation xlwt and xlrd Installation under 1.1win7
1.1.1 Method 1: Download and Install
1. From http://pypi.python.org/pypi/xlwt Download xlwt-1.0.0.tar.gz;
2. From http://pypi.python.org/pypi/xlrd Download xlrd-0.9.4.tar.gz;
3. Unzip the package;
4. Run under win7.
[plain] view plain copy
cmd
...
Posted on Thu, 02 Jul 2020 11:05:12 -0400 by seventheyejosh
python3 implements mysql export excel
I. Preparations
Python Tool Library Installation xlwt and xlrd Installation under 1.1win7
1.1.1 Method 1: Download and Install
1. From http://pypi.python.org/pypi/xlwt Download xlwt-1.0.0.tar.gz;
2. From http://pypi.python.org/pypi/xlrd Download xlrd-0.9.4.tar.gz;
3. Unzip the package;
4. Run under win7.
[plain] view plain copy
cmd
...
Posted on Thu, 02 Jul 2020 11:04:09 -0400 by jlp09550
A course of neural network based on DGL library Diagram -- basic drawing operation
Recently contacted with graph neural network, I feel that this device can provide multi granularity perspective. After abstracting the research object, we can classify the nodes, the edges and the whole graph. Graph neural network provides the ability to describe specific objects with multi granularity. ...
Posted on Sat, 27 Jun 2020 20:46:38 -0400 by bigphpn00b
Selenium+Tesseract cracking login verification code
preface
The type of login verification code I cracked is the type of mathematical formula, i.e... does it look simple, but Tesseract's recognition rate of this kind of picture is also very low. If I want to improve the recognition rate in the later stage, I think one is to reduce the noise and sharpen the picture, and the other is to train Tess ...
Posted on Thu, 25 Jun 2020 00:25:22 -0400 by tjhilder
Tired of playing games? Paddle gesture recognition play a new game!
PaddlePaddle realizes gesture recognition, playing and eating beans!
Article directory:
1. Gesture data collection
2. PaddleX training model
3. Test gesture recognition model
4. Test game gesture control
5. Success~
1. Gesture data collection:
2. PaddleX training model
2.1 defining data sets
2.2 ...
Posted on Tue, 23 Jun 2020 00:00:54 -0400 by ac1dsp3ctrum
Detailed derivation of codeforces round (Div. 2) e. memory and casinos
Title Link
What's more, a gambler is in nnn casinos. He has PIP in every casino_ The winning rate of IPI, if it wins, it will go to the right, if it loses, it will go to the left. If it reaches casino 000 or n+1n+1n+1, it will be quite a gamble out. Defining the ruling range [l,r][l,r][l,r], that is, i ...
Posted on Sun, 21 Jun 2020 00:40:47 -0400 by DavidT
Building and basic use of yolov3 target detection environment
1. Construction of keras environment
Install tensorflow first, and then install keras (note that the version of tensorflow and keras should match)
Reduce the version of keras, install the new version directly, and the old version will be uninstalled automatically
pip install keras==2.2.5 -i https://pypi ...
Posted on Thu, 18 Jun 2020 01:55:22 -0400 by tomhath
kalibr installation and compilation under Ubuntu 18.04 + ROS melody
kalibr installation and compilation under Ubuntu 18.04 + ROS melody
Attention & emphasis: any course must be browsed first, and there is a general idea in mind. Follow the process step by step, and you can have an early warning before falling into the pit
Recommended tutorials: Joint calibration o ...
Posted on Sat, 13 Jun 2020 00:35:06 -0400 by WhiteCube
Python zero basic programming - 09 practical cryptology chapter - encryption and decryption of classical encryption algorithm
abstract
Book to previous:
1-Zero basic programming -- Python basic
2-Zero basic programming: basic theory of cryptography
In the previous part, we shared the basic theory of cryptography. Starting from Morse code, we analyzed Caesar encryption, transposition encryption, digital multiplication en ...
Posted on Thu, 11 Jun 2020 22:57:56 -0400 by Zaxnyd