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Understanding logging in Python
The standard logging library seems to be a confusing part in the python programming language. In my case, my application was growing into several modules, sharing loggers, creating new ones, etc. I was...
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用 Python 实现一个最简单的对象模型
Carl Friedrich Bolz 是一位在伦敦国王大学任职的研究员，他沉迷于动态语言的实现及优化等领域而不可自拔。他是 PyPy/Rpython 的核心开发者之一，于此同时，他也在为 Prolog, Racket, Smalltalk, php 和 Ruby 等语言贡献代码。这是他的 Twitter @cfbolz 。 开篇...
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Pygame Updated
Pygame Updated Written by Kay Ewbank Thursday, 15 December 2016 There's an updated version of Pygame, the long established python game development wrapper. It was last updated more than seven years...
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使用python抓取并分析京东商品评论数据
使用python抓取并分析京东商品评论数据 昨天来源：IT瘾 本篇文章是python爬虫系列的第三篇，介绍如何抓取京东商城商品评论信息，并对这些评论信息进行分析和可视化。下面是要抓取的商品信息，一款女士文胸。这个商品共有红色，黑色和肤色三种颜色， 70B到90D共18个尺寸，以及超过700条的购买评论。 php?url=0FE6GiZgvc" alt="使用python抓取并分析京东商品评论数据"...
View Articlepython命名规范的相关总结
python命名规范的相关总结 昨天来源：CPP程序员 [摘要]双下划线__开头双下划线结尾、双下划线__开头、单下划线_开头和直接名字的命名并不只是一个命名风格，python有特别的用处的。然后直接名字的命名有一个推荐的命名规范。 双下划线__开头双下划线结尾、双下划线__开头、单下划线_开头和直接名字的命名并不只是一个命名风格，python有特别的用处的。然后直接名字的命名有一个推荐的命名规范。...
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How To Resample and Interpolate Your Time Series Data With Python
You may have observations at the wrong frequency. Maybe they are too granular or not granular enough. The Pandas library in python provides the capability to change the frequency of your time series...
View Article10 Basic Python Examples That Will Help You Learn Fast
If you’re going to learn a new language today, python is one of the options out there 5 Reasons Why Python Programming Is Not Useless 5 Reasons Why Python Programming Is Not Useless Python -- You...
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The “Cog” File
A few weeks ago, I ran into a situation where I had to pull in another a developer to help me finish up some work before an upcoming milestone. I directed her to our repository and she had the project...
View ArticleLearn Python efficiently
Up to now I assumed you already knew python or had some way of learning it. However, if you'd like my advice on a way I've found to learn the language that doesn't take you months to get up to speed...
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How I learned to stop being an idiot and start coding
The AAPicks team writes about things we think you’ll like, and we may see a share of revenue from any purchases made through affiliate links. Have you ever heard the expression, “One beggar telling...
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Pongo: wireless microbit Python pong
I love the wireless capabilities of python on the BBC microbit and I’ve been using it with some success in myYear 8 classes. I thought I’d have a go at writing a wireless Pong game in Python it took...
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OpenCV with Python Blueprints: Holiday Sale
P ackt Publishing is holding an epic holiday sale where every eBook or video is only $5! If you have been toying with the idea of brushing up on your OpenCV skills, why don't you give OpenCV with...
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A full introduction to data science with Python
Data Science with python: An Introduction Data is seen by many thought leaders as a concept which is the key to building the next-level society of the future. Thanks to the open-source culture that’s...
View ArticleParsing CSV Files with Python's DictReader
I had an interview today (spoiler: I didn't get an offer), and one of the rounds of my interview involved refactoring some poorly written python code. In this code was a function that parsed a CSV...
View Article最简单的多线程爬虫实例
写这个例子主要还是了解多线程的使用和运行方式，因为爬虫是用多线程的实现的典型应用场景，基本写爬虫的没有不用多线程的，因为太多的网页或内容你不可能一一去获取，如果爬的数据量太大而不去并发执行，那时间估计是人无法忍受的，如果对python了解多一些的小伙伴可能知道GIL, 全称Global Interpreter Lock,...
View ArticleQuickly Plot in Python with Text File Values
python has this wonderful command in numpy, np.loadtxt . In this case, I use np.loadtxt to load a file consisting of several ADC values to do a quick plot for visualization. import matplotlib.pyplot...
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Python实例：TPYBoard开发板制作蓝牙无线传感器小车
1.实验目的 1. 学习在PC机系统中扩展简单I/O 接口的方法。 2. 进一步学习编制数据输出程序的设计方法。 3. 学习蓝牙模块的接线方法及其工作原理。 4. 学习 L298N电机驱动板模块的接线方法。 5. 学习蓝牙控制小车的工作原理。 TPYBoard（主要MCU） 2.所需元器件 TPYBoard板子一块 蓝牙串口模块一个 L298N电机驱动板模块一个 智能小车底盘一个 数据线一条...
View ArticlePython 装饰器执行顺序迷思
python 装饰器执行顺序迷思 昨天来源：cnblogs 装饰器是Python用于封装函数或代码的工具，网上可以搜到很多文章可以学习，我在这里要讨论的是多个装饰器执行顺序的一个迷思。疑问大部分涉及多个装饰器装饰的函数调用顺序时都会说明它们是自上而下的，比如下面这个例子: def decorator_a(func): print 'Get in decorator_a' def...
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ETL Offload with Spark and Amazon EMR - Part 2 - Code development with...
In theprevious article I gave the background to a project we did for a client, exploring the benefits of Spark-based ETL processing running on Amazon's Elastic Map Reduce (EMR) Hadoop platform. The...
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Introduction to StackStorm
Earlier I wrote about some fundamental principles that I believe apply to any form of automation, whether it’s network automation, or even building a virtual factory. One of the most important...
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