# !/usr/bin/env python3.6 # -*- coding: utf-8 -*- # visual studio 2017 # 2019 10 12 Geovin Du print from turtle import *; import sys; from math import ceil; import re; import time; import operator; from copy import deepcopy; from random import randin…

Yet another easy-to-understand, easy-to-use aws s3 python sdk code examples. github地址:https://github.com/garyelephant/aws-s3-python-sdk-examples. """ Yet another s3 python sdk example. based on boto 2.27.0 """ import time imp…

Two python simple factory mode examples shown in this section. One is for base operation and another is for json and xml file handling. 1. Base operation script shown as following: # -*- coding: utf-8 -*- """OperationFactory.py This is a si…

Simple Code First Example: Let's assume that we want to create a simple application for XYZ School. Users of this School application should be able to add or update Students, Standard (Grade), Teacher, and Course information. Instead of designing dat…

上一节:Python之code对象与pyc文件(二) 向pyc写入字符串 在了解Python如何将字符串写入到pyc文件的机制之前,我们先来了解一下结构体WFILE: marshal.c typedef struct { FILE *fp; int error; int depth; /* If fp == NULL, the following are valid: */ PyObject *str; char *ptr; char *end; PyObject *strings; /* di…

上一节:Python之code对象与pyc文件(一) 创建pyc文件的具体过程 前面我们提到,Python在通过import或from xxx import xxx时会对module进行动态加载,如果没有找到相应的pyc或dll文件,就会在py文件的基础上创建pyc文件,之前说过,pyc文件中保存的是PyCodeObject对象,那么我们就要搞清楚,PyCodeObject是如何写入到pyc文件中的 import.c static void write_compiled_module(PyCod…

Simple Code! 简洁编码 Playing football is very simple, but playing simple football is the hardest thing there is. - Johan Cruyff 踢足球非常简单,但踢简单的足球是最难的事情.- Johan Cruyff If we take this famous quote for programming, we can say; 如果我们把这句名言用于编程,我们也可以说: Writing…

1. Howdoi Howdoi is a code search tool, written in Python. 2. Flask Flask is a microframework for Python based on Werkzeug and Jinja2. It’s intended for getting started very quickly and was developed with best intentions in mind. 3. Werkzeug Werkzeug…

http://blog.csdn.net/inte_sleeper/article/details/6676351 编码的历史 1.     ASCII ASCII(American Standard Code forInformation Interchange),是一种单字节的编码.计算机世界里一开始只有英文,而单字节可以表示256个不同的字符,可以表示所有的英文字符和许多的控制 符号.不过ASCII只用到了其中的一半(\x80以下),这也是MBCS得以实现的基础. 2.     MBCS…

python: Guidelines derived from Guido's Recommendations Type Public Internal Packages lower_with_under   Modules lower_with_under _lower_with_under Classes CapWords _CapWords Exceptions CapWords   Functions lower_with_under() _lower_with_under() Glob…