3.1.2. 字符串 3.1.2. 字符串 除了数字，Python 也可以操作字符串。字符串有多种形式，可以使用单引号（'…' ），双引号（"…" ）都可以获得同样的结果 2 。反斜杠 \ 可以用来转义: >>> 'spam eggs' # single quotes 'spam eggs' >>> 'doesn\'t' ...

Release notes Scrapy 2.4.1 (2020-11-17) Scrapy 2.4.0 (2020-10-11) Modified requirements Backward-incompatible changes Deprecation removals Deprecations New features Bug fixes...

What Next Next Projects Example Code Advice Videos Questions and Answers Tutorials Discussion News Installing libraries Creating a Website Graphical Software Summary of G...

uWSGI 1.9.14 错误修复 新特性 Ruby 1.9.x/2.x原生线程支持 文件系统监控接口 (fsmon) uClibc支持 Lua 5.2支持 setscheme, setdocroot sendfile, fastfile –reload-on-fd和–brutal-reload-on-fd Spooler改进 –emper...

Protocol Overview MsgPack for Messages CloudPickle for Functions and Some Data Cross Language Specialization Compression Header Serializing Data Frames Technical Version He...

Jinja2 Changelog Version 2.7 Version 2.6 Version 2.5.5 Version 2.5.4 Version 2.5.3 Version 2.5.2 Version 2.5.1 Version 2.5 Version 2.4.1 Version 2.4 Version 2.3.1 Versio...

Your Development Environment Text Editors Vim Python-mode SuperTab Emacs TextMate Sublime Text Atom IDEs PyCharm / IntelliJ IDEA Python (on Visual Studio Code) Enthought ...

前提条件 Python 2 vs Python 3 Python的安装 Jython的安装 IronPython的安装 配置环境变量 PATH 哪些路径要加入到 PATH 在Windows系统中配置 PATH 在类UNIX系统中配置 PATH 配置 https_proxy 前提条件 Robot Framework 除了可以在 Pyt...

Cython Changelog 0.29.6 (2019-02-27) Bugs fixed 0.29.5 (2019-02-09) Bugs fixed 0.29.4 (2019-02-01) Bugs fixed 0.29.3 (2019-01-19) Bugs fixed 0.29.2 (2018-12-14) Bugs fixed ...

Release notes Scrapy 2.3.0 (2020-08-04) Deprecation removals Deprecations New features Bug fixes Documentation Quality assurance Scrapy 2.2.1 (2020-07-17) Scrapy 2.2.0 (202...