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知乎网友神总结:月薪两万的Python 学习经验!-北京八维
知乎网友神总结:月薪两万的python 学习经验!-北京八维 一点号北京八维2小时前 知乎网友神总结Python 学习经验! php?url=0EcyjimOUj" alt="知乎网友神总结:月薪两万的Python 学习经验!-北京八维"...
View ArticleR Interface for Teaching
Kaitlin Thaney asked on Twitter last week about using Ramnath Vaidyanathan's new interactive R notebook 1 2 for teaching. Liking the look of interactive R notebook by @ramnath_vaidya . Any success...
View ArticleOpen VS Closed Analysis Languages
TL;DR I think data scientists should choose to learn open languages such as R and python because they are open in the sense that anyone can obtain them, use them and modify them for free, and this has...
View ArticleChainMap in Python
python also contains a container called “ ChainMap ” which encapsulates manydictionaries into one unit. ChainMap is member of module “ collections “. Operations on ChainMap Access Operations 1. keys()...
View ArticleTopographic and tectonic stress inversions with halfspace: Preparing a DEM
In order to complete the tutorial, please first clone/download the github repo which comes with the DEM, coseismic slip model, and some auxiliary files, all with the correct pathnames. ( Or just...
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NumPy GPU acceleration
I recently had to compute many inner products with a given matrix $\Ab$ for many different vectors $\xb_i$, or . Each vector $\xb_i$ represents a shoe from Zappos and there are 50k vectors $\xb_i \in...
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趣味python编程之经典俄罗斯方块
国庆期间闲不住，用python把经典俄罗斯方块实现了一遍，找到了些儿时的乐趣。因此突发奇想，打算用python写点经典又确实有趣的小程序形成系列。正统编程之余也给自己找点儿乐趣，换个角度写程序。...
View ArticleAdafruit GPIO Python库需要旧版本的libftdi
这个问题是最近重新抹盘安装 sierra 之后出现的，表现就是用 homebrew 安装了 libftdi 之后，以前的 Adafruit GPIO python 在使用时会报错，具体的错误是 ftdi.write_data() 函数的参数数目错误，提示函数接受两个参数但传入了三个参数。 ftdi.write_data() takesexactly 2 arguments (3 given)...
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Big Salaries, Recommendation Systems, and Where We’ll Be 5 Years from Now
(This article was first published on R-exercises , and kindly contributed toR-bloggers) To stay on top of R in the news, we’re sharing some stories related to R published last week. Why Data Science...
View ArticlePython Celery
python Celery + Redis 安装 pip install -U celery[redis] 配置redis 参考 配置所使用的redis服务器 redis://:password@hostname:port/db_number Example: BROKER_URL = 'redis://localhost:6379/0' 配置redis的可见性超时...
View Articlepython学习笔记-python解释器
刚开始学习python，首先要了解一下python解释器。 什么是python解释器？ 编写python代码保存后，我们会得到一个以.py为扩展名的文本文件。要运行此文件，就需要python解释器去执行.py文件。 这里，我们介绍3种解释器。 1.CPython 当我们从Python官方网站下载并安装好Python 2.7后，我们就直接获得了一个官方版本的解释器：CPython。...
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python学习笔记-python程序运行
小白初学python，写下自己的一些想法。大神请忽略。 安装python编辑器，并配置环境（见 http://www.cnblogs.com/lynn-li/p/5885001.html 中 python编辑器安装与配置）。由于python的两个版本2.x与3.x不兼容，且3.x在不断的进化中，不稳定。所以建议安装2.x，确切来说是2.7.x版本。...
View ArticlePython tips 轻松转换列表与字符串
There are a few useful tips to convert a python list (or any other iterable such as a tuple) to a string for display. First, if it is a list of strings, you may simply use join this way: >>>...
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Python强化训练笔记(七)――使用deque队列以及将对象保存为文件
collections模块中的deque对象是一个队列，它有着正常队列的先进先出原则。我们可以利用这个对象来实现数据的保存功能。 例如，现有一个猜数字大小的游戏，系统开始会随机roll点一个0～100的整数，然后键盘开始接收你的输入，每次输入的数字系统会告诉你比这个随机数大还是小，直到你猜对了程序才会结束。如下图这样： 代码见： from collections import dequefrom...
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Gradient descent with Python
Over the past few weeks we’ve been studying the fundamental building blocks of machine learning and neural network classifiers. We started with an introduction to linear classification that discussed...
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Formatted SQL in Python with Psycopg’s Mogrify
In this Compose Write Stuff Addon, Lucero Del Alba takes a look at the problem of viewing queries sent to a server, and how to solve this problem by using Psycopg's mogrify. Do you want to shed light...
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Python in Visual Studio “15” Preview 5
Last week, Visual Studio “15” Preview 5 was made available for download. This release has a number of exciting changes and improvements for python developers that we are going to be covering over the...
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How to Convert OpenCV Image Data from Python to C
OpenCV officially provides both C++ and python APIs for developers. Most of the time, developers just need to use one kind of programming languages to read, write and process images with hundreds of...
View ArticlePython核心编程学习笔记（Python基础）
python基础 1. 语句和语法 1.1 # 注释 Python注释语句从该字符开始，注释可以在一行的任何位置开始，字符后面的所有内容都会被解释器忽略掉。 1.2 \ 继续 Python语句一般使用换行分隔，即一行一个语句。但是一个过长的语句可以使用\来分解成几行，如下例： if (weather_is_hot == 1) and \ (warnings == 1): return 1 1.3...
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Get 70 hours of in-depth training with the Python Power Coder Bonus Bundle
This is a paid placement and if you buy something through this article or on the BGR Store we will receive compensation from retail partners. Ask a pro the best first programming language to learn, and...
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