or the journey to the center of the interpreter.what happens if you run this code?:on linux, it completes in milliseconds. on mac, it usually hangs. why?
1. introductionpython is known for its powerful general purpose built-in data types like list, dict, tuple and set. but python also has collection objects like java and c . these objects are develo ...
in programming, little frustrations can be as agonizing as the big problems. no one wants to pull their hair out merely to pop up a window with a text message or to write quickly (and safely!) to a da ...
how i parse a json http chunking stream in python using meetup.com's api to filter rsvps for events i'm interested in.i’ve been playing around with meetup.com’s api again and this time wanted to con ...
sometimes the pythonic way to solve a problem changes over time. as python has evolved, so has the pythonic way to count list items.let’s look at different techniques for counting the number of times ...
raising exceptionsin principle, an exception is just an object. there are many different exception classes available, and we can easily define more of our own. the one thing they all have in common is ...
!预览· 语言的发展趋势一定是动静结合、刚柔并济· perl凝练晦涩,python优雅明晰,ruby精巧灵动,php简明单纯· 或许优雅正是来自对细节和规范的重视· (ror)与ruby结合之后,便如一只猱身而上灵猫,立刻衬托出 ...
pep-0492 was recently approved giving python 3.5 some special syntax for dealing with co-routines. a lot of the new functionaltiy was available pre-3.5, but the syntax certainly wasn’t ideal as the c ...
课程介绍:本课程是炼数成金《机器学习》(http://f.dataguru.cn/thread-229688-1-1.html)课程的姐妹篇,学习本课程前最好先学过(或同时进修)《机器学习》,两门课程兼修可以起到更好的效果。参加本课程的初学者 ...
2017-2-21 10:30 - - 数据仓库与数据挖掘
position: product engineer (java/python中高级开发 英语不能太差 至少读写熟练) 望京 美国硅谷培训job description:• contribute to the design & implementation of product architecture and features ...
hello guys.this is the first pat of this article series about "python". in this article you will learn python step-by-step and easily.introductionas a techie and software engineer, i love to explore n ...
2015-4-1 13:09 - - 动态语言
python 3.5 正式发布,此版本主要改进如下:新语法特性pep 492, 异步协同和 await 语法pep 465, 新矩阵乘法运算符: a @ b.pep 448, additional unpacking generalizations.新库模块typing: pep 484 – type hints.z ...
后端开发与云服务云服务这个词,大概最早是从云盘开始的,那时候概念也特别简单,无非就是把一些数据存在别人的服务器上,在”云存储”这个名词火起来之前,qq 也有提供网站的功能用来存一些小东西(05年06年的样子 ...
rq (redis queue) 是一个简单的 python 库用于将作业放到队列中并在后台统一执行,使用 redis 做后端,可方便的跟 web 前端集成。示例代码:then, create a rq queue:and enqueue the function call:
if you are setting out to write a large application in python using a relational database, this long post is for you. herein i share some experience acquired over 6 months while writing large applicat ...
there are tons of python packages out there. so many that no one man or woman could possibly catch them all. pypi alone has over 47,000 packages listed!pypi: https://pypi.python.org/pypirecently, with ...
原文见:http://codecondo.com/10-ways-to-learn-python/用 python 写代码并不难,事实上,它一直以来都是被声称为最容易学习的编程语言。如果你正打算学习 web 开发,python 是一个不错的选择,甚至你想学游戏开发 ...
1. introductionthe last several posts have illustrated how to connect to public/simple and authorized google apis. today, we're going to demonstrate accessing the gmail (another authorized) api. yes, ...
至今我们网站已经开设了多个数据分析系列的课程,大部分都是基于算法思路来开展的,课程中着重点在于算法的讲授、软件的使用,案例只是辅助学习。然而很多学员反映,希望可以在课程中多联系实际,多一点实际案例。本 ...
2016-10-11 11:01 - - 数据仓库与数据挖掘
jug 1.2 发布,jug 是一个基于任务的并行处理框架,采用 python 编写,可用来在不同的机器上运行同一个任务,使用 nfs 做文件系统的通讯。jug 1.2 主要是优化了代码,修复了一些问题,完整改进列表: * use highe ...
1.生成随机数2.读文件
prefacepython is an amazing language with a strong and friendly community of programmers. however, there is a lack of documentation on what to learn after getting the basics of python down your throat ...
python这门编程语言包罗万象,可以说掌握了python,除了一些特殊环境和高度的性能要求,你可以用它做任何事。python作为一门脚本语言,它灵活、易用、易学、适用场景多,实现程序快捷便利,早已经成为程序员们的一门 ...
2016-5-10 10:46 - - 大数据
开源python 是开源的,介绍的这几个框架 twisted、tornado、gevent 和 tulip 也都是开源的,最后这个演讲是在开源大会弄的,所以标题里肯定少不了开源。另外,我的 gevent3 项目也是开源的——貌似不少同学被我起的 ...