I was once stucked in How to check Whether a Python module has been installed or not. After Googling, I found this trick. Python allows user to pass command from out of a python file.See here 1 1. -c cmd : program passed in as string (terminates option list) 1. The result if we...
$ python3 -c 'import sys; print(sys.version_info)' sys.version_info(major=3, minor=8, micro=10, releaselevel='final', serial=0) But this command is returning the default python version (3.8) that was pointing to python3, instead of higher python version installed (3.10)....
npm install时报错:Please check if you have git installed and in your PATH.,程序员大本营,技术文章内容聚合第一站。
npm install 安装找不到install 提示:Please check if you have git installed and in your PATH.,程序员大本营,技术文章内容聚合第一站。
Python2:imp.find_module To check ifimportcan find something in Python 2, usingimp: importimptry: imp.find_module('eggs') found =TrueexceptImportError: found =False To find dotted imports, you need to do more: importimptry: spam_info = imp.find_module('spam') spam = imp.load_mo...
Create a matrix of subplots so you have one figure that shows all 13 columns. Add padding around the subplots to make them easier to read. Create a box plot based on the data in each column, across all of the rows. Python # Create a list of all column names, except for ID....
Performance:Theif not my_string:approach can be more efficient because it avoids an explicit comparison (==) and directly leverages the truthy/falsy nature of values in Python. Can a string be both empty and have whitespace characters?
echo "" if [ $password1 = $password2 ]; then password=$(echo -n "$password1" | sha256sum | cut -d" " -f1) sed -i "s/userlogin/$login/g" /usr/share/tinycheck/config.yaml sed -i "s/userpassword/$password/g" /usr/share/tinycheck/config.yaml ...
If you have created your Python environment with Anaconda, you can useconda listto list all packages installed in your (virtual) environment. Optionally, you can add a regular expression using the syntaxconda list regexto list only packages matching a certain pattern. ...
If you’re using MySQL or MariaDB, the following checks will be performed: mysql.E001: MySQL/MariaDB does not allow unique CharFields to have a max_length > 255. This check was changed to mysql.W003 in Django 3.1 as the real maximum size depends on many factors. mysql.W002: MySQL/...