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05 2019 档案

9. A Pythonic Object
摘要：Thanks to the Python data model, your user-defined types can behave as naturally as the built-in types. And this can be accomplished without inheritan 阅读全文
posted @ 2019-05-29 19:34 LB477 阅读(210) 评论(0) 推荐(0)
8. Object References, Mutability, and Recycling
摘要：1. Variables Are Not Boxes 2. Identity, Equality, and Aliases 3. Copies Are Shallow by Default [Notes]: You can control the behavior of both copy and 阅读全文
posted @ 2019-05-27 10:57 LB477 阅读(184) 评论(0) 推荐(0)
3. Dictionaries and Sets
摘要：1. Generic Mapping Types The collections.abc module provides the Mapping and MutableMapping ABCs to formalize the interfaces of dict and similar types 阅读全文
posted @ 2019-05-26 09:14 LB477 阅读(238) 评论(0) 推荐(0)
2. An Array of Sequences
摘要：1. Overview of Built-In Sequences Container sequences: list, tuple, and collections.deque can hold items of different types. Flat sequences: str, byte 阅读全文
posted @ 2019-05-23 10:22 LB477 阅读(295) 评论(0) 推荐(0)
7. Function Decorators and Closures
摘要：A decorator is a callable that takes another function as argument (the decorated function). The decorator may perform some processing with the decorat 阅读全文
posted @ 2019-05-22 16:43 LB477 阅读(180) 评论(0) 推荐(0)
6. Design Patterns with First-Class Functions
摘要：1. Refactoring Strategy 1.1 Classic Strategy 1.2 Function-Oriented Strategy A flyweight is a shared object that can be used in multiple contexts simul 阅读全文
posted @ 2019-05-22 10:48 LB477 阅读(175) 评论(0) 推荐(0)
5. First-Class Functions
摘要：Function in python are first-class objects (runtime / element / argument / return) 1. Treating a Function Like an Object 2. Higher-Order Functions A f 阅读全文
posted @ 2019-05-21 22:08 LB477 阅读(227) 评论(0) 推荐(0)
在DjangoAdmin中使用KindEditor（上传图片）
摘要：一、下载 http://kindeditor.net/down.php 删除asp、asp.net、php、jsp、examples文件夹 拷贝到static目录下 二、配置 kindeditor目录下新建conifg.js admin.py views.py settings.py urls.py 阅读全文
posted @ 2019-05-06 16:53 LB477 阅读(519) 评论(0) 推荐(0)
yum安装mysql-server
摘要：yum install mysql-server mysql vi /etc/my.cnf [client] default-character-set=utf8 service mysqld start chkconfig mysqld on mysql grant all privileges on *.* to root@'localhost' identified by 'root'... 阅读全文
posted @ 2019-05-05 09:11 LB477 阅读(166) 评论(0) 推荐(0)
Linux安装pycharm
摘要：1、环境配置 Linux配置JDK环境：https://www.cnblogs.com/lb477/p/10809681.html CentOS6.9 Python环境配置：https://www.cnblogs.com/lb477/p/10809297.html 2、下载 http://www.j 阅读全文
posted @ 2019-05-04 21:13 LB477 阅读(158) 评论(0) 推荐(0)
Linux 配置 JDK 环境
摘要：wget --no-check-certificate --no-cookies --header "Cookie: oraclelicense=accept-securebackup-cookie" http://download.oracle.com/otn-pub/java/jdk/8u131 阅读全文
posted @ 2019-05-04 20:35 LB477 阅读(2394) 评论(0) 推荐(0)
CentOS6 Python环境配置（python2.7、pip、virtualenv）
摘要：python2.7 yum install -y zlib zlib-devel openssl openssl-devel mysql-devel gcc gcc-c++ wget https://www.python.org/ftp/python/2.7.13/Python-2.7.13.tgz 阅读全文
posted @ 2019-05-04 18:30 LB477 阅读(760) 评论(0) 推荐(0)