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Exploring Large and Unfamiliar Python Projects in Emacs

Posted by alex on Dec. 1, 2017, 3:22 p.m.

As programmers, we spend much more of our time at work reading code than writing it. Like any skill, exploring large codebases is one that is developed over time with practice. Nothing can replace experience, but there are certain tools that can help improve your workflow significantly.


Performing an operation at a given average throughput

Posted by gavin on Oct. 25, 2017, 2:03 p.m.

A programming task I've often needed, especially while writing benchmarking code, is to perform an operation at a given number of times per second. For example, I want to see how a queue system performs under a load of 10 messages per second. To do this, I write a script to generate messages at the given rate. What is the correct pattern to ensure it runs at the correct rate, when the time to execute each iteration of the loop is variable, due to differences in how long it takes to construct the message or scheduling delays?


Security In Layers: Preventing XSS Attacks with AWS S3 Direct Upload

Posted by alex on Oct. 19, 2017, 1:56 p.m.

For any any web developer, allowing users to upload files to a service and then serving those files back other users is a great way to open those users and your service up to a whole host of security vulnerabilities. This article will attempt to give some guidelines on a few things to be aware of when hosting user files, and is specifically aimed at using Amazon S3 direct upload.


Designing Security

Posted by justin on Oct. 18, 2017, 12:58 p.m.

Everything on the back-end is super-securely encrypted--but how do you know? By sticking to a few simple design guidelines, your secure site with actually feel secure and instill confidence in your visitors.


Introducing Memorist

Posted by Molly on Sept. 28, 2017, 2:35 p.m.

Fusionbox is proud to announce the beta release of our new decision tracker, Memorist.


Fusionbox at the Assistive Technologies Lab

Posted by alex on Sept. 26, 2017, 9:14 a.m.

Fusionbox took a field trip to the Assistive Technologies Lab at CU Auraria to learn how to better build websites for all users.


Implementing a semaphore with Django and Postgres

Posted by gavin on Sept. 12, 2017, 11:12 a.m.

Recently I was working on a project that accesses a third-party webservice. The service does not handle concurrency well, and crashes if you send more than a few requests at the same time. To prevent it from getting overloaded, I implemented a semaphore with Postgres and Django.


Upcoming Event! Designing Microinteractions for Better UX

Posted by Molly on Sept. 11, 2017, 11 a.m.

Fusionbox will be hosting a session as part of Denver Startup Week! Join us on September 27th at 3pm to learn more about Designing Microinteractions for Better UX!


Partial Word Search With Postgres Full Text Search in Django

Posted by brad on Sept. 6, 2017, 10:19 a.m.

Django provides support for using Postgres's full text search feature, but there is no way to use this Django support to achieve the partial word search functionality one might find easy to implement with Django Haystack and Solr. This post describes a simple way to enable partial word search in Django without having to rely on solr and Haystack by writing a small amount of raw SQL.


Enums: The Good, the Bad, and the Ugly

Posted by alex on July 21, 2017, 9:30 a.m.

Enums have been in Python since version 3.4. They're not the newest kid on the block, but many 3rd party libraries (Django included) still don't natively support them. Let's discuss the advantages and disadvantages of the new Enum module vs a simple dictionary.


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