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Programming & Web Development

Avoid Django’s invalid HTTP_HOST error message

I have several Django projects published, and I constantly get my email inbox and log files inundated with errors of spiders and hack attempts to connect to my applications. Those error messages have the email subject: “[Django] ERROR (EXTERNAL IP): Invalid HTTP_HOST …”. This is due to a Django’s security setting ALLOWED_HOSTS to prevent attacks. […]

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GNU/Linux Free Software & Open Source Programming & Web Development

My Python & Django deployment workflow and tools

If you’re new to Python web development with Django, there are some things that tutorials don’t teach. Deploying to a server when you finish your local development can be a frustrating task. Here is a rundown of the tools and workflow I use for deploying a Django based website. A few days ago when I […]

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Programming & Web Development

How to use Django models in external Python scripts

a quick copy/paste solution to integrate your django models in an external python script

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Programming & Web Development

Select sort algorithm explained with code and dance

Select sort is a very simple algorithm but it’s very inefficient for large lists, but it is good when memory is an issue, since it is an in-place sorting algorithm. Meaning it is an algorithm that doesn’t need to use extra memory to store sorted from unsorted elements. The way it works is the following: […]

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Programming & Web Development

Insert-sort algorithm explained with code and dance

Insert sort is a fast algorithm for small lists. On some languages, insert sort is used to sort small arrays (small sometimes means less than 10) instead of more complex algorithms because it’s fast enough and doesn’t need much memory. To perform Insert-sort: take one element from the list on each iteration, starting from the […]

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Programming & Web Development

Basic programming algorithm: Bubble Sort

Bubble sort is one of the most basic sorting algorithms in taught in computer science classes. It will order values in a list from smallest to largest passing several times through the list comparing two items at a time and reordering them. This algorithm is not very efficient with large lists because it has to […]