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Python开发【第六章】：Python面向对象
编程范式 编程是程序员用特定的语法+数据结构+算法组成的代码来告诉计算机如何执行任务的过程，一个程序是程序员为了得到一个任务结果而编写的一组指令的集合，正所谓条条大路通罗马，实现一个任务的方式有很多种不同的方式， 对这些不同的编程方式的特点进行归纳总结得出来的编程方式类别，即为编程范式。 不同的编程范式本质上代表对各种类型的任务采取的不同的解决问题的思路，...
View Article译-在Python正则模式中search()和match()的区别是什么？
问：在python正则模式中search()和match()的区别是什么？ 我已经阅读了现有的相关文档，但是我总是记不住，碰到类似的问题，我还要不断地查找再学习，我希望某个大神能够给个清晰的案例，让我能够很好的记住，或者至少能够在Stackoverflow上有个地方能够让我再学习的时候方便地找到。 答： re.match位于字符串的开头。它与新行无关，因此它在模式上与^的用法不同。...
View Articlepython之面向对象编程
python之面向对象编程 1小时前来源：cnblogs 1、面向对象介绍： 世界万物，皆可分类 世界万物，皆为对象 只要是对象，就肯定属于某种类 只要是对象，就肯定有属性 2、 面向对象的几个特性： class类： 一个类即对一类拥有相同属性的对象的抽象，蓝图、原型。在这个类中定义了这些对象都具备的属性，共同的方法。 object对象：...
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干货，Uploadfive插件上传，Python接收存储
干货，Uploadfive插件上传，python接收存储 一点号Python实践派3小时前 在Web开发工作中，经常遇到上传需求，上传照片，文件等，网上的上传插件有很多，我使用的是一款H5上传插件Uploadfive,与之对应的是Uploadify,后者是基于Flash的，不过现在越来越多的浏览器都开始放弃Flash支持，这使得H5的上传插件逐渐流行开来。 安装...
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特殊的Python
在学习python之前，我也学习过C ,C++ ,Java ,php ,javascript，前端也学习过。但是在学习Python的这段时间里，多多少少也感觉到Python在语法方面的不同和特殊性。 今天，我们就来聊聊Python都有哪些语法引起过我们的好奇。 1.注释方面 ，一般C , Java , PHP 等，一般注释都是使用 // 来进行注释的，但是在Python是使用 #...
View ArticleVariable pruning is NP hard
I am working on some practical articles on variable selection, especially in the context of step-wise linear regression and logistic regression. One thing I noticed while preparing some examples is...
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【Flask 系列】Flask 快速入门
python 中有许多 Web 开发框架 ，比如 Django ， Flask ， Tornado ， Bottle 和 web.py 等，其中，Django 可以说是一个全能型（all in one）的框架，自带管理后台；而 Flask 则是一个非常轻量级的框架，提供了搭建 Web 服务的必要组件，如果你不喜欢自带的组件，由于 Flask 良好的扩展性，你也可以使用其他开源的 Flask...
View ArticleGenerating grpc stubs for Python from the command line
The GRPC quickstart guide refers to generating GRPC stubs using python code similar to run_codegen.py When you look in this file, you see what appears to be a command line like: protoc --python_out=....
View ArticleThe python module pycryptodome - part 001.
The tutorial for today come with this subject: python module pycryptodome. According to the official website: PyCryptodome is a self-contained Python package of low-level cryptographic primitives....
View Articleskynet development for mac
在Mac下面通过BrewHome来安装 python Dev 环境，安装完成之后，调整系统环境变量，由于Mac Terminal我试用了(oh my zsh)[ http://www.itweet.cn/2016/04/11/macbook-pro-conf/]所以用户环境变量修改`~/.zshrc`文件，在此文件末尾添加如下一行 export...
View ArticleUsing Python 3 in Project 8 of Python For Kids For Dummies
Using python 3 in Project 8 of Python For Kids ForDummies August 28, 2016 Leave a comment In this post I talk about the changes that need to be made to the code of Project 8 in order for it to work...
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Book Review: Fluent Python by Luciano Ramalho
python development is more popular now than it’s ever been. Newcomers are digging into the language, falling in love, and looking for more learning materials to help them master the intricacies of...
View ArticleShow all Flask Routes
One of my favorite things about rails is rake routes . This command will show you all of the routes that your application is currently aware of. I was searching for something similar in Flask and came...
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How to Visualize Gradient Boosting Decision Trees With XGBoost in Python
Plotting individual decision trees can provide insight into the gradient boosting process for a given dataset. In this tutorial you will discover how you can plot individual decision trees from a...
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Pythran: a Python to C++ compiler with a focus on scientific computing
User Manual Command Line Interface Developer Guide Developer Tutorial Internals LICENSE Authors TODO Changelog Pythran is a python to c++ compiler for a subset of the Python language, with a focus on...
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Python+Eclipse+PyDev开发环境搭建记录
python+Eclipse+PyDev开发环境搭建记录，PyDev 3.9.0.zip采用网上下载，比Pydev 2.8版本要好一些。 一、安装Python和Jdk(for windows版本) 1. 直接下载windows版本Python, jdk 安装 C:\Users\koumm>python Python 2.7.10 (default, May 23 2015, 09:44:00)...
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[译|转]Python: 利用 Bokeh 进行可视化
原文作者: Mike Driscoll 原文连接: python: Visualization with Bokeh 译者：kissg(赵喧典) 本文最先发表于微信公众号”编程派”，是本人在 PythonTG 翻译组的译文，相当于自我转载。编程派地址，如需转载，请联系微信公众号”编程派”获得授权。转载时注明来源，作者及原文链接。 Bokeh 包 是一个交互式的可视化库。其利用 web...
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Making Controllers for VR from the Ground Up
Foreword Just as a foreword, this is a project I worked on for my senior project for my final year of high school. And yes, it does look very similar to the PS Move, however the goal of the project was...
View ArticleCompute TF-IDF in Python with Google N-grams dataset
If you import Google N-Grams data into Postgres , you can use this to compute TF-IDF measures on documents. In my environment, I have talk transcripts stored in JSON files. In this example, I’ll show...
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PyDev of the Week: Damien George
This week we welcome Damien George as our PyDev of the Week! Damien is the man behind the Micropython project which allows you to run a version of Python on microcontrollers. You can learn more about...
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