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Automatic setup of Django 1.4, NGinx and GUnicorn on EC2 using Bellatrix

Apr 12, 2012 · 5 min read · automation bellatrix devops django ec2 gunicorn nginx jenkins snippet sysadmin ·

Some time ago I wrote some lengthy instructions on how to configure Django, NGinx and Green Unicorn on a brand new Ubuntu EC2 instance. Now, I want to show how to automate the same tasks using a command line tool called Bellatrix. We will also provide a Jenkins (formerly Hudson) pipeline, so we have (if we want) a nice …

Setting up Django 1.3 + NGinx 1.0.5 + Green Unicorn 0.13 in an Ubuntu 11.10 EC2 instance

Dec 27, 2011 · 6 min read · python django ec2 gunicorn nginx snippet sysadmin ubuntu ·

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Setting up Django 1.3 + NGinx 1.0.5 + Green Unicorn 0.13 in an Ubuntu 11.10 EC2 instance

Django has become the de-facto web framework for Python. Although, since Django just specializes in dynamic content, you have to combine it (at least in production) with an HTTP server to serve static content such as css, javascript files and images files. In the past, the communication protocol between Python web …

Getting reTweets from Python

Sep 22, 2010 · 3 min read · python programming snippet twitter ·

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In this snippet I will show how to use the Tweepy library to get statistics from Tweeter. The script will read a sample feed from the Twitter Streaming API (https://web.archive.org/web/20100723015215/http://dev.twitter.com/pages/streaming_api) and perform the following actions: Read the sample feed Note the number of …

Making a simple html editor in C++ Builder

Sep 9, 2010 · 1 min read · c++ c++ builder windows api snippet ·

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Making a simple html editor in C++ Builder

Back in the day, I had to make a simple html editor. This can be accomplished in a few lines of code, by using a simple TCppWebBrowser (wb) component and the IHTMLDocument2 interface. You will also need a TMemo (memo1) control. Here is the source code. I hope it helps someone 🙂 …

Concurrency in Hudson

Aug 25, 2010 · 3 min read · hudson jenkins continuous integration groovy snippet ·

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How to organize and avoid concurrency problems when implementing complex projects in Hudson?

How to calculate the closest point on a segment to a point

Jun 6, 2010 · 3 min read · c++ programming geometry snippet ·

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How to calculate the closest point on a segment to a point

Hi, below there is a little snippet that calculates the closest point on a segment to a determined point. It is written in C++ but can be easily translated to any other language. Disclaimer: given its age, it uses hungarian notation, and some names are in Spanish, but it was thoroughly tested and works as expected. …

How to replace a substring using regex in Python

Jun 6, 2010 · 1 min read · regular expressions programming python snippet ·

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The problem: You match a string with your regex, but you need to replace just a portion of it. How can we do this? The trick is simple, put the text you want to replace within “()” which means “group” in regex language. If the regex works, you can replace just that portion by using Python match information, like in the …

Multiline regex pattern

May 6, 2010 · 4 min read · regular expressions c# programming python snippet ·

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1 Task: Parse a file and capture whatever text appears between a pair of double quotes like the following: “Catch me” Not so difficult, you could use the following regex: 1“.*” This will match any character within double quotes in a group ¿any? Well, if you have to deal with multi-line characters (CR / LF) like in the …