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Who uses my stuff?

Summary I work on a lot of different things. Some are applications, are are libraries, some I started, some other people started, etc. I have way more stuff to do than I could possibly get done, so I...

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【公益课】“大鹏教你玩数据”再开!用PYTHON来看周末上哪去约饭

【公益课】“大鹏教你玩数据”再开!用python来看周末上哪去约饭 一点号城市数据团昨天 php?url=0Fj9Ysf9ru" alt="【公益课】“大鹏教你玩数据”再开!用PYTHON来看周末上哪去约饭" />大鹏教你玩数据免费 精短 实用 教你最有趣的数据知识 培养最关键的数据思维 揭秘最实用的数据技能...

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Start your programming journey with Django Girls Silicon Valley

We're looking forward to Elastic{ON} 17 for a lot of reasons. It's the largest gathering of the Elastic Stack community, has a jam-packed agenda of interesting talks , and is a chance to get our...

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阿里云快速部署Flask应用

前言 之前在博客上写过使用pythonflask进行web的开发,当时由于时间关系并没有写实际生产环境中该如何部署Flask应用。这篇文章就来写写在阿里云服务器上快速部署Flask应用的步骤。Flask +gunicorn + Nginx +supervisor部署 Python Flask 应用,就是这么简单粗暴! 回顾 之前写过的一篇使用Flask开发web的文章,传送门...

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python基础7--集合

集合set python的set集合是一个无序不重复元素集。基本功能包括关系测试和消除重复元素。集合对象还支持union(并集)、intersection(交集)、difference(差集) 和 sysmmetric differencr(对称差集)等数学运算。 set 支持 x in set, len(set), for x in set。作为无序集合,set不记录元素的下标。 事例:...

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寻找被篡改的数

这一趣题和《算法新解》前言中的“最小可用Id”问题具有很多类似的地方。 有个从1到n的数字列表,经过某些处理后,发生了两点变化。1)序列的循序被打乱了;2)其中一个数字x被篡改成了数字y,其中x和y都在1到n之间。能否找到一个线性时间,常数空间的方法,找出丢失的x和重复的y呢? 例如 [3, 1, 3, 5, 4] ==> x = 2, y = 3 分而治之 我们可以用中数m =...

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轻量级爬虫――python实现

多点分享,少点说教。 简单框架: 调度端: 程序入口,负责初始化程序,控制程序的逻辑结构。 U RL 管 理器: 负责管理程序将要访问的URL池,以及已访问的URL池,保证程序走在正确的道路上,不至于重复访问,也不访问无用网页。 网 页下载器: 将给定URL对应的页面下载到本地,供程序使用。 页 面解析器: 解析出网页中符合条件的URL,以及我们所需要的数据。 最 终数据:...

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Rene Dudfield: setup.cfg - a solution to python config file soup? A howto guide.

Sick of config file soup cluttering up your repo? Me too. However there is a way to at least clean it up for many python tools. Some of the tools you might use and the config files they support......

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SummaryWriter报错,改为tf.summary.FileWriter

不推荐使用 SummaryWriter (来自tensorflow. python .training.summary_io),将在2016-11-30之后删除。 更新说明: 请切换到 tf.summary.FileWriter 接口和行为是相同的; 这只是一个重命名。 比如原来代码: with tf.Session() as sess: writer =...

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The Multilingual Programmer

At the recent SQL Konferenz in Germany, the keynote was from Michael Rhys of Microsoft. His talk was on the evolution and design of the U-SQL language. If you haven’t looked at it, U-SQL is what the...

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使用cookiecutter-flask快速生成python后端项目

Write code that writes code. Code generators increase your productivity and help avoid duplication. 天下武功,唯快不破...

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Stripe SMS Notifications via Twilio, Heroku, and Python

Stripe SMS Notifications via Twilio, Heroku, and python I recently started a small business using the online platform Storenvy . Storenvy integrates with Stripe , a popular online payments platform. As...

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FASTCALL microbenchmarks

For my FASTCALL project (Cpython optimization avoiding temporary tuples and dictionaries to pass arguments), I wrote many short microbenchmarks. I grouped them into a new Git repository: pymicrobench...

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FASTCALL issues

Here is the raw list of the 46 Cpython issues I opended between 2016-04-21 and 2017-02-10 to implement my FASTCALL optimization. Most issues created in 2016 are already part of Python 3.6.0, some are...

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IPython 5.3.0 发布,Python 命令行交互

Ipython 5.3.0 发布了,IPython 是 Python 的原生交互式 shell 的增强版,可以完成许多不同寻常的任务,比如帮助实现并行化计算;主要使用它提供的交互性帮助,比如代码着色、改进了的命令行回调、制表符完成、宏功能以及改进了的交互式帮助。 更新内容: Fix a bug in set_next_input leading to a crash of terminal...

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Watson使用指南(七)在微信公众号中实现识图作诗功能

本文章主要是写一下这个项目开发的过程及之间遇到的问题,作为记录,也希望以此为契机认识志同道合的朋友,一起学习交流。 目录: 概述 环境准备及相关账号申请 部署python Flask应用到Bluemix 通过Bluemix认证公众微信号 识图作诗相关功能开发 总结 概述 本文将从一个开发人员角度,介绍如何使用Bluemix平台开发和部署Python...

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支持Python!Facebook开源预测工具Prophet

支持python!Facebook开源预测工具Prophet 昨天来源:雷锋网 php?url=0FjHcRIXFa" alt="支持Python!Facebook开源预测工具Prophet" />雷锋网消息:前天,Facebook 宣布开源一款基于 Python 和 R 语言的数据预测工具――“Prophet”,即“先知”。取名倒是非常直白。 Facebook 表示,Prophet...

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Login not required pattern

Introduction Typically routes in a web application that require login are explicitly marked as such. Whilst routes that are open to general (anonymous) users, are left unmarked and hence implicitly do...

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PEP 8 Python编码风格指南概要

python 拥有简洁优雅的语法,但这并不意味着开发者一定能写出简洁而优雅的代码。要写出好的代码,就要遵循一定的规则。Python 官方给出了 PEP8 风格指南,建议每位 Python 开发者都应该阅读一遍,并在开发过程中遵循该编程规范。 PEP 8 全称为 Python Enhancement Proposal #8 , 中文叫做《8号Python增强提案》。PEP 8...

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Postmodern Error Handling in Python 3.6

Postmodern error handling in python 3.6 I’ll be the first person to admit I have no idea what postmodernism actually means, but it sounds cool for an article on error-handling (or rather how to prevent...

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