Google Colab use of error-prone summary
Normal procedure
important point
1. Be sure to pay attention to choose the operating environment! ! ! Otherwise, the back of the work done for nothing
2. Use the command in colab Note escaped spaces
!python /content/drive/My\ Drive/BertNer/BERT_NER.py
3.colab run directory is / content / drive / My Drive
Pay special attention to the current working directory, use the following command into the current directory
%cd /content/gdrive/My\ Drive/yourfilename
4. How do you change tensorflow version on colab
View the current version
!pip3 show tensorflow
Method One: If you want to 2.x version (currently colab default 2.x) into 1.x (in this way can only switch between 1.x and 2.x)
%tensorflow_version 1.x
import tensorflow as tf
tf.__version__
Method two: with Native Command Line
!pip uninstall tensorflow
!pip install tensorflow==1.11
Note: After the above two methods to use to complete, must restart the runtime, the command is as follows:
import os
os.kill(os.getpid(), 9)
5.colab neither new folder, save it to a file output path should pay attention to remove the folder
#out = cv2.VideoWriter('./output/'+args["input"][43:57]+ "_" + args["class"] + '_output.avi', fourcc, 15, (w, h))
out = cv2.VideoWriter('./'+args["input"][43:57]+ "_" + args["class"] + '_output.avi', fourcc, 15, (w, h))
6.Cannot connect to X server GOOGLE COLAB how to do?
Can not connect to X server GOOGLE COLAB
short: comment out all outputs (such as cv.imshow, etc.), to save the converted file
Other error-prone point summary
https://zhuanlan.zhihu.com/p/98210226
https://www.jianshu.com/p/a42d69568966
https://zhuanlan.zhihu.com/p/105647700
https://zhuanlan.zhihu.com/p/89311070?utm_source=wechat_session