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Python error “ImportError: No module named”
...e the issue was I was using python driver.py when I should have been using python3 driver.py since I installed with pip3.
– Eric Wiener
Mar 17 '19 at 20:26
...
linux 下巧妙使用squid代理服务器 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...胁的或不适宜的站点。
三、CDN简介：
文件下载加速服务：
四、Web缓存的类型和特点:
Web缓存的位置可以有三种，一是可以防止在客户端，二是放在服务器，三是放在客户端与服务器之间的某个网络节点上，这个...
micro:bit 微控制器教程 · App Inventor 2 中文网
...
micro:bit 微控制器教程
教程概述
下载和准备
下载资源
App Inventor 端设置
Designer 页面设置
积木编程
步骤1：蓝牙初始化
步...
How to save and load cookies using Python + Selenium WebDriver
... with newer code and missing import added:
$ cat work-auth.py
#!/usr/bin/python3
# Setup:
# sudo apt-get install chromium-chromedriver
# sudo -H python3 -m pip install selenium
import time
from selenium import webdriver
from selenium.webdriver.chrome.options import Options
chrome_options = Opti...
bash: mkvirtualenv: command not found
...mmand to install specific version of python in env
virtualenv -p /usr/bin/python3.6 venv
step 4
sudo pip install virtualenvwrapper
step 5
sudo nano ~/.bashrc
step 6
Add this two line code at the end of the bashrc file
export WORKON_HOME=~/.virtualenvs
source /usr/local/bin/virtu...
No module named pkg_resources
... I'm using Python 3 so I had to run sudo apt-get install --reinstall python3-pkg-resources and that fixed it. Thank you!
– Robert Townley
Jul 5 '17 at 13:28
...
Which is faster in Python: x**.5 or math.sqrt(x)?
...y faster than sqrt(x).
For the Python 3.0 the result is the opposite:
$ \Python30\python -mtimeit -s"from math import sqrt; x = 123" "x**.5"
1000000 loops, best of 3: 0.803 usec per loop
$ \Python30\python -mtimeit -s"from math import sqrt; x = 123" "sqrt(x)"
1000000 loops, best of 3: 0.695 usec ...
ZeroMQ实例-使用ZMQ(ZeroMQ)进行局域网内网络通信 - C/C++ - 清泛网 - 专注C/C++及内核技术
...的消息发送和接收首先在机器中安装zmq库步骤如下：1）下载zeromq的源代码，Zer...本文内容摘要：1）安装zeromq、2）实例说明使用zmq进行网络间的消息发送和接收
首先在机器中安装zmq库
步骤如下：
1）下载zeromq的源代码，ZeroMQ...
Running Python code in Vim
...
autocmd FileType python map <buffer> <F9> :w<CR>:exec '!python3' shellescape(@%, 1)<CR>
autocmd FileType python imap <buffer> <F9> <esc>:w<CR>:exec '!python3' shellescape(@%, 1)<CR>
then you could press <F9> to execute the current buffer...
How do I remove the “extended attributes” on a file in Mac OS X?
...g xattr-0.9.6:
Would remove:
/usr/local/bin/xattr
/usr/local/lib/python3.7/site-packages/xattr-0.9.6.dist-info/*
/usr/local/lib/python3.7/site-packages/xattr/*
Proceed (y/n)?
Workarounds
To Fix option -c not recognized Errors.
Uninstall any Python xattr you may have: pip3 unin...