Tag：virtual environment
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Time：2021-9-11
Django v1. X version startup error: syntax error: generator expression must be parentized Error message: Failed to get real commands on module “mysite”: python process died with code 1: Traceback (most recent call last): File “E:\JetBrains\PyCharm 2020.1\plugins\python\helpers\pycharm\_jb_manage_tasks_provider.py”, line 25, in django.setup() File “E:\PycharmProjects\python\venv\lib\site-packages\django\__init__.py”, line 27, in setup apps.populate(settings.INSTALLED_APPS) File “E:\PycharmProjects\python\venv\lib\site-packages\django\apps\registry.py”, line 85, in populate […]
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Time：2021-8-30
Pip is a tool we often use. After all, Python is a famous programming language with a large third-party library, so we always use pip to install some dependent libraries. Of course, this is only the most commonly used command of PIP. Here are some commands you need to master in PIP. I personally use […]
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Time：2021-8-10
Tensorflow is fully updated to TF2. Its official website shows that the old version of tensorflow 1.15 only supports Python 3.7 and cuda10, and the official apt source of the new version of Ubuntu does not have Python 3.7 at all. If you want to use tf1.15 in the newer version of Python 3.8/cuda 11, […]
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Time：2021-8-4
1. First install Anaconda on your system. You can open command line input conda -V Verify the installation and current version of CONDA. 2. CONDA is a common command. 1) See which packages are installed. conda list 2） View which virtual environments currently exist CONDA env list or CONDA Info – E or CONDA […]
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Time：2021-8-3
Establish virtual environment Update the Ubuntu source first $ sudo apt-get update Installing the python 3-venv module $ sudo apt-get install pyton3-venv Establish virtual environment $ python3 -m venv [env_name] [env_ Name] is the name of the virtual environment If you are using an earlier version of python, you can’t use the venv module. You […]
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Time：2021-7-31
First of all, opencv is not recommended to install with CONDA command, but the speed of using pip is very slow. At this time, Tsinghua image will be used 1. Enter the anaconda virtual environment you want to install 2. PIP command line input pip install -i https://pypi.tuna.tsinghua.edu.cn/simple opencv-python Basically, this command can solve the […]
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Time：2021-7-30
You can create a virtual environment in the specified directory by specifying a path. For example, the following command will create a virtual environment called./envsAnd follow the packages of these later versions:conda create –prefix ./envs jupyterlab=0.35 matplotlib=3.1 numpy=1.16 Then, in the current working directory, you can use the name of the virtual environment, that is./envsActivate […]
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Time：2021-7-30
1. Why Python virtual environment In actual work, the python versions we contact are often different from the relevant web framework versions. For example, some combinations may be python2 + django1.8, and some may be python3.6 + django1.12. It’s easy to do both. Wouldn’t it be good for me to install two versions of Python […]
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Time：2021-7-29
Statement: the following contents are my personal understanding. If you find any errors or questions, you can contact me for discussion Why build a virtual environment. In the process of normal development, different projects will encounter different third-party packages. If we are all in the python environment of the system, we will encounter many problems. […]
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Time：2021-7-20
Statement: the following is my personal understanding. If you find any mistakes or questions, you can contact me for discussion This tutorial is the second in the Django basic tutorial series. The links to the previous chapters are as follows: Introduction to Django brief introduction The beginning stage of each project often determines the general […]
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Time：2021-7-20
To install flash, first create a virtual environment that can install everything without affecting your main python. Another advantage is that you don’t need to have root privileges in this way. Start building the environment: open a terminal window, select a location where you want to place the application, and create a new folder containing […]
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Time：2021-7-14
A series of articles： Upgrade Ubuntu 18.4 to Python 3.8 Install virtual environment in Python 3.8 1. Download the source code wget <https://www.python.org/ftp/python/3.8.0/Python-3.8.0.tgz> 2. Decompress tar -zxvf Python-3.8.0.tgz 3. Switch directory cd Python-3.8.0 4. Configure the installation environment ./configure –with-ssl –prefix=/usr/local/python3 5. Installation dependency sudo apt-get update sudo apt-get upgrade sudo apt-get install build-essential python-dev […]
