Python 2.8?
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View ArticlePython3基础 函数的参数是可变参数，将传进来的参数转成列表
镇场诗： 诚听如来语，顿舍世间名与利。愿做地藏徒，广演是经阎浮提。 愿尽吾所学，成就一良心博客。愿诸后来人，重现智慧清净体。 ―――――――――――――――――――――――――――――――――――――――――― code: #不定长度的参数 def myFun(* argments) : values=[x for x in argments] print(values)...
View Articlepython之路 - 函数与模块2
1.列表生成式 1 list1 = [x*2 for x in range(1,11)] View Code 可以用列表生成式快速生成一个列表，但是受到内存限制，列表的容量是有限的，一个列表中假如有100万个元素，我们只使用了其中的几个，不仅占用大量内存，绝大多数空间是被浪费掉了 如果列表中的元素可以按照某种算法推算出来，那我们可以在循环中不断推算出后面的结果，这样就不必创建列表和浪费大量内存空间了...
View ArticleAnnouncing Pipenv
Pipenv is an experimental project that aims to bring the best of all packaging worlds to the python world. It harnesses Pipfile , pip, and virtualenv into one single toolchain. It features very pretty...
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Developing Command Line Interpreters using python-cmd2
Many of you already know that I love command line applications. Let it be a simple command line tool, or something more complex with a full command line interface/interpreter (CLI) attached to it. Back...
View ArticlePython and successive approximation
I was doing some work in the yard and I wanted to know the smallest circle that would fit around a 4x6 inch post. Of course, just as a 2x4 is not 2 inches by 4 inches, a 4x6 post (what they call its...
View ArticleBuilding and Parsing XML Document using Python
In this Blog Post, We will see how to create an XML document and parse XML Document using python. Python supports to work with various forms of structured data markup. This includes modules to work...
View ArticleDevelop your Python applications easily in clean Docker environments
Cage Develop and run your python applications in clean Docker environments Cage aims to be as easy to use and as familiar as possible. Requirements Docker Python 3.5+ Installation $ pip install pycage...
View ArticleMathematical Modules in Python: Random
Randomness is all around us. When you flip a coin or roll a die, you can never be sure of the final outcome. This unpredictability has a lot of applications like determining the winners of a lucky draw...
View ArticlePython标准库笔记(1) ― string模块
String模块包含大量实用常量和类，以及一些过时的遗留功能，并还可用作字符串操作。 1. 常用方法 常用方法 描述 str.capitalize() 把字符串的首字母大写 str.center(width) 将原字符串用空格填充成一个长度为width的字符串，原字符串内容居中 str.count(s) 返回字符串s在str中出现的次数...
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Reuven Lerner: Data science + machine learning + Python course in Shanghai
Data science is changing our lives in dramatic ways, and just about every company out there wants to take advantage of the insights that we can gain from analyzing our data ― and then making...
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PyTennessee: PyTN Profiles: Greg Back and TEDxNashville
Speaker Profile: Greg Back( @gtback ) Greg is a deep and mysterious python programmer with no bio, but don’t let his mystic fool you! He’s a wicked sharp local Python developer who is very active in...
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Handling webhooks using Django and ngrok
Handling webhooks using Django andngrok In this article we’ll go over how to handle webhooks using Django, create a webhook in GitHub, and test the webhook on your local machine using ngrok. But first...
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PyTennessee: PyTN Profiles: Derik Pell and Meeple Mountain
Speaker Profile: Derik Pell ( @_gignosko_ ) Derik got his Masters in Computer Science from The University of Illinois at Springfield where he was lucky enough to get to study data from many different...
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Mike Driscoll: PyDev of the Week: Mark Haase
This week we welcome Mark Haase as our PyDev of the Week. Mark is the author of PEP 505 None-aware operators . You can check out what projects Mark is interested in over on Github . He also has a...
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Seam carving with OpenCV, Python, and scikit-image
Easily one of my all-time favorite papers in computer vision literature is Seam Carving for Content-Aware Image Resizing by Avidan and Shamir from Mitsubishi Electric Research Labs (MERL). Originally...
View ArticleIntroducing Arcade and the ArcGIS Python API
ArcGIS 10.5 introduced a new scripting language for the whole ArcGIS platform, as well as a python API. Both are covered below. The Arcade scripting language Dynamic labeling and visualization has...
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IronPython in Spotfire ― Turning lines & curves on and off
Would you like to be able to turn lines and curves on and off with the click of a button? Have you tried to implement Ironpython code you found on blog posts but failed? My IronPython skills are still...
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When and why to build your own data tools?
For the record: I’m a big supporter of the third-party data services (eg. Google Analytics , Hotjar , Crazyegg , Optimizely , Mixpanel , etc.). I like them, because they are easy to use and easy to...
View ArticleSpotluck uses Stitch to eliminate their custom Python scripts and replicate...
Spotluck uses Stitch to eliminate their custom python scripts and replicate their MongoDB data toRedshift Spotluck is an on-demand app for discovering local restaurants. Their users enjoy a gamified...
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