https://rainfd.fun/categories/programming-language/ Recent content in Programming Language on RainFD's Blog https://rainfd.fun/%3Clink%20or%20path%20of%20image%20for%20opengraph,%20twitter-cards%3E https://rainfd.fun/%3Clink%20or%20path%20of%20image%20for%20opengraph,%20twitter-cards%3E Hugo -- 0.146.6 en Mon, 15 Jun 2020 00:00:00 +0000 https://rainfd.fun/posts/13_python%E7%8E%AF%E5%A2%83%E5%B7%A5%E7%A8%8B%E6%90%AD%E5%BB%BA/ Mon, 15 Jun 2020 00:00:00 +0000 https://rainfd.fun/posts/13_python%E7%8E%AF%E5%A2%83%E5%B7%A5%E7%A8%8B%E6%90%AD%E5%BB%BA/ <p>之前一直在线上服务器裸敲Python，很久没有在自己的mac上写了。最近有任务要用Python来实现，借此好好整理关于Python环境设置和工程搭建遇到的问题。</p> https://rainfd.fun/posts/2_python__slots__%E8%AF%A6%E8%A7%A3/ Fri, 07 Apr 2017 00:00:00 +0000 https://rainfd.fun/posts/2_python__slots__%E8%AF%A6%E8%A7%A3/ <p>当一个类需要创建大量实例时，可以通过<code>__slots__</code>声明实例所需要的属性，</p> <p>例如，<code>class Foo(object): __slots__ = ['foo']</code>。这样做带来以下优点：</p> <ol> <li>更快的属性访问速度</li> <li>减少内存消耗</li> </ol>