Bash

查看ip

  1. curl ifconfig.co/json
  1. {
  2.   "ip": "103.122.119.183",
  3.   "ip_decimal": 1736079287,
  4.   "country": "Taiwan",
  5.   "country_iso": "TW",
  6.   "country_eu": false,
  7.   "latitude": 23.5,
  8.   "longitude": 121,
  9.   "time_zone": "Asia/Taipei",
  10.   "asn": "AS134098",
  11.   "asn_org": "Licson Internet Service",
  12.   "user_agent": {
  13.     "product": "Mozilla",
  14.     "version": "5.0",
  15.     "comment": "(Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.88 Safari/537.36 Edg/87.0.664.60",
  16.     "raw_value": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.88 Safari/537.36 Edg/87.0.664.60"
  17.   }
  18. }

Terminal代理

  1. export http_proxy="http://localhost:4780"
  2. export https_proxy="http://localhost:4780"

Conda

查看channels信息

  1. conda config --show channels

移除channel

  1. conda config --remove channels https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge/

创建环境

  1. conda create -n dl python=3.8

删除环境

  1. conda remove -n py36 --all

激活环境

  1. conda activate py36

退出环境

  1. conda deactivate

删除tar包

  1. conda clean --tarballs

python

画图

  1. import numpy as np
  2. import matplotlib.pyplot as plt
  3. import cv2
  5. %matplotlib inline
  6. %config InlineBackend.figure_format='retina'
  7. # %config InlineBackend.figure_formats='svg'
  9. # Read in the images
  10. image_stripes = cv2.imread('images/stripes.jpg')
  11. # Change color to RGB (from BGR)
  12. image_stripes = cv2.cvtColor(image_stripes, cv2.COLOR_BGR2RGB)
  14. # Read in the images
  15. image_solid = cv2.imread('images/pink_solid.jpg')
  16. # Change color to RGB (from BGR)
  17. image_solid = cv2.cvtColor(image_solid, cv2.COLOR_BGR2RGB)
  20. # Display the images
  21. f, (ax1,ax2) = plt.subplots(1, 2, figsize=(10,5))
  23. ax1.imshow(image_stripes)
  24. ax2.imshow(image_solid)
  26. plt.savefig('tmp.pdf', bbox_inches='tight')
  27. plt.show()

Tensorflow2

TF1 转 TF2

  1. import tensorflow.compat.v1 as tf
  2. tf.disable_v2_behavior()