Dive into RE in Python Standard re module in python is powerful to handle text manipulation,such as searching,matching,splitting etc, and it is necessary to learn about it when tasks above appears.Since official document of re is a bit obscure, I ref…

Usage is simple: import pyperclip pyperclip.copy('The text to be copied to the clipboard.') spam = pyperclip.paste() code: # Pyperclip v1.3 # A cross-platform clipboard module for Python. (only handles plain text for now) # By Al Sweigart al@coffeegh…

#AttributeError: module 'tensorflow.python.ops.nn' has no attribute 'leaky_relu' 的原因主要是版本的问题 解决方法是更新到对应的版本: keras 2.1.5 tensorflow-gpu 1.2.1 更新的操作如下(使用国内镜像): pip install keras==2.1.2 -i https://pypi.tuna.tsinghua.edu.cn/simple pip install tensorflow-…

# 背景 安装pip后发现执行pip install pytest,提示下面错误 pip is configured with locations that require TLS/SSL, however the ssl module in Python is not available. # 解决方法 查询了资料,大概意思是,新版的pip默认要使用SSL,可以通过设置修改,但木有发现pip.conf文件在哪里,囧rz,后续再研究下 但找到另外一个解决方法 先安装openssl-dev,然后重…

报错:class BeholderHook(tf.estimator.SessionRunHook):AttributeError: module 'tensorflow.python.estimator.estimator_lib' has no attribute 'SessionRunHook' 检查tensorboard的安装情况:pip3 list 发现tensorboard与tensorflow的版本不一致:卸载 pip3 uninstall tensorboard:重新安装 pip…

在使用pip安装pymongo的过程中报错,提示如下: $ pip3 install pymongo pip is configured with locations that require TLS/SSL, however the ssl module in Python is not available. Collecting pymongo Could not fetch URL https://pypi.python.org/simple/pymongo/: There was a p…

pip install 时报错: pip is configured with locations that require TLS/SSL, however the ssl module in Python is not available. 解决办法: For Windows 10 if you want use pip in normal cmd, not only in Anaconda prompt. you need add 3 environment paths. like the…

1.下载安装包 https://www.python.org/ftp/python/ 该目录下选择所需要的版本进行下载.解压. wget https://www.python.org/ftp/python/3.7.1/Python-3.7.1.tgz .tgz 2.二进制文件安装 1.创建存放目录 mkdir /usr/local/python3 2.运行脚本configure config是一个shell脚本,根据平台的特性生成Makefile文件,为下一步的编译做准备. 可以通过在 conf…

序.multiprocessing python中的多线程其实并不是真正的多线程,如果想要充分地使用多核CPU的资源,在python中大部分情况需要使用多进程.Python提供了非常好用的多进程包multiprocessing,只需要定义一个函数,Python会完成其他所有事情.借助这个包,可以轻松完成从单进程到并发执行的转换.multiprocessing支持子进程.通信和共享数据.执行不同形式的同步,提供了Process.Queue.Pipe.Lock等组件. 1.Process 创建进程的…

在导入keras包时出现这个问题,是因为安装的tensorflow版本和keras版本不匹配,只需卸载keras,重新安装自己tensorflow对应的版本就OK了.可以在这个网址查看tensorflow和keras对应的版本:https://docs.floydhub.com/guides/environments/…