Gustave Hahn-Powell

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ŷhat | Content-based image classification in Python

Image recognition is a field concerned with the identification of objects and entities within images. It's a sub-field of computer vision, a growing …

Generating Audio Spectrograms in Python

Explaining descriptors

I’ve always found descriptors to be one of the more confusing corners of Python. Partly, I think that’s to do with the explanations in the docs, …

a short, practical guide for common and confusing PHP tasks

This document is not a PHP tutorial. You should learn the basics and syntax of the language elsewhere.<p>It’s not a guide to common web application …

DIY Smart Television with RaspberryPi and Node.js

<b>Hardware Components:</b><p>The RaspberryPi (Tested on Raspberry Pi model I-B, I-B+ and II-B)<br>• A USB WiFi dongle or Ethernet cable (Tested on Edimax WiFi …

11 Things I Wish I Knew About Django Development Before I Started My Company:

<b>UPDATE</b>: <b>I’m currently available for Django/Machine-Learning/Design consulting. If you are interested, please contact me: info@mathandpencil.com. For</b> …

Statistical Formulas For Programmers

<i>May 19, 2013</i><p>Being able to apply statistics is like having a secret superpower.<p>Where most people see averages, you see confidence intervals.<p>When …

Data Science

Printable Django Cheatsheets in PDF format

Django 1.5 cheat sheet<p>Updated for Django 1.5 for PyCon 2013 where everyone got a nice laminated copy in their swag bags. Older cheatsheets for Django …

Why Tuples?

A frequent question from new and even not-so-new Python programmers is "why does the language have both tuples (which, if you know Python, you will …

More web scraping with Python (and a map)

<i>This is a follow-up to my previous post about web scraping with Python</i>.Previously, I wrote a basic intro to scraping data off of websites. Since I …

Python in Excel

The true power of regular expressions

Context-sensitive languages are something that you will rarely encounter during “normal” programming. They are mostly important in the context of …

Amazon Is Working On A Plan To Deliver Your Groceries

Although Amazon Fresh has been around since 2007, it has never expanded beyond a few Seattle zip codes.<p>It's an experiment that hasn't gone any further.<p>And yet Amazon still appears to be working on a plan to roll out grocery delivery nationwide, according to a number of recent reports.<p>The logic …

AmazonFresh