The python of this computer has packages in it.
There is no package here:
The python continuation character is: \ is generally used in super long strings
Sometimes the download package fails because the pip version is too high or too low
At the command prompt enter:
#查看pip版本
pip show pip
#升级pip
python -m pip install --upgrade pip
#降级pip，本来是21.3.1
python -m pip install pip==20.2.4
A slow internet connection can also cause the download to fail:
Make it lag detection longer using the following command
pip --default-timeout=1000 install -U module name
例：
pip --default-timeout=1000 install -U matplotlib
It may be slow to download some external libraries, you can use the following method:
Mirror website of Tsinghua University: It will greatly speed up the download speed! !
pip install package name -i https://pypi.tuna.tsinghua.edu.cn/simple
Example: pip install gensim -i https://pypi.tuna.tsinghua.edu.cn/simple
pip install jieba -i https://pypi.tuna.tsinghua.edu.cn/simple
pip install sklearn -i https://pypi.tuna.tsinghua.edu.cn/simple
pip install gensim -i https://pypi.tuna.tsinghua.edu.cn/simple
pip install torch -i https://pypi.tuna.tsinghua.edu.cn/simple
pip install json -i https://pypi.tuna.tsinghua.edu.cn/simple
pip install nltk -i https://pypi.tuna.tsinghua.edu.cn/simple
pip install simhash -i https://pypi.tuna.tsinghua.edu.cn/simple
pip install xgboost -i https://pypi.tuna.tsinghua.edu.cn/simple
Select USTC mirror installation:
pip install stanfordcorenlp -i http://pypi.mirrors.ustc.edu.cn/simple/ --trusted-host pypi.mirrors.ustc.edu.cn
Folder colors can be modified here:
Unhighlight, underline tilde:
Set up your own code template:
The setting method of canceling the shift out of the global search twice:
pycharm version/idea version: Chinese version, English version, enter registry Chinese version input
in the global search
register! ! !
The effect of the two is the same, but the input content is different depending on the version, registry=registration,
find ide.suppress.double.click.handler , √, and then close
ps: Some Chinese versions are Chinese, and some are not.
After selection, Ctrl+R means to replace:
Ctrl+F: search code
The venv folder is only available when a virtual environment is created