Assign missing tag to VM(opens in new tab)
We run our backup job schedules based on the tags assigned to the VM. This keeps it relatively simple and to add a system to a backup job you only need to tag it, not go into another software and ...
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Creating a Laravel Preset Package, Part Two(opens in new tab)
We'll add some custom functionality to the composer package we created in part one to create a Laravel boilerplate with things set up just how we prefer.
Creating A Laravel Preset Package(opens in new tab)
Laravel provides frontend scaffolding, but you may want a more customized boilerplate to start projects from. Learn to create your own package to do just that!
Getting to Know a Legacy Codebase(opens in new tab)
What should you do when you first get launched into an old, sprawling CSS codebase?
Image Inconsistencies: How and When Browsers Download Images(opens in new tab)
How and when do browsers download certain types of image? What does that mean for performance?
Setting Up a Mac for Web Development(opens in new tab)
Follow along as I set up a macOS desktop from scratch. Development environments, apps, code editors, all the settings, and some useful shortcuts!
Identifying, Auditing, and Discussing Third Parties(opens in new tab)
Gathering data about third-parties using free and open-source tooling
How to Write Deployment-friendly Applications(opens in new tab)
The DevOps movement gave us many ways to put Python applications into production. But how can you practically structure and configure your applications to make them indifferent to the environment they run in? How do secrets fit into the picture? ...
Python Hashes and Equality(opens in new tab)
Most Python programmers don’t spend a lot of time thinking about how equality and hashing works. It usually just works. However there’s quite a bit of gotchas and edge cases that can lead to subtle and frustrating bugs once one ...
Why Your Dockerized Application Isn’t Receiving Signals(opens in new tab)
Proper cleanup when terminating your application isn’t less important when it’s running inside of a Docker container. Although it only comes down to making sure signals reach your application and handling them, there’s a bunch of things that can go ...
On Conference Speaking(opens in new tab)
I’ve seen quite a bit of the world thanks to being invited to speak at conferences. Since some people are under the impression that serial conference speakers possess some special talents, I’d like to demystify my process by walking you ...
Solid Snakes or: How to Take 5 Weeks of Vacation(opens in new tab)
No matter whether you run a web app, search for gravitational waves, or maintain a backup script: reliability of your systems make the difference between sweet dreams and production nightmares at 4am.
Basic pasta sauce(opens in new tab)
Someone asked on Twitter how I made my pasta sauce, so here is the recipe! The base of my Pasta sauce is largely this recipe, except I mostly don’t add mozzarella: At it’s simplest I can make the whole thing ...
Shortcut to Open Laravel Docs from Your Editor(opens in new tab)
Wouldn't it be great if we could quickly access the exact Laravel documentation page you need right from your code editor? Now you can!
Better Python Object Serialization(opens in new tab)
The Python standard library is full of underappreciated gems. One of them allows for simple and elegant function dispatching based on argument types. This makes it perfect for serialization of arbitrary objects – for example to JSON in web APIs ...
Please Fix Your Decorators(opens in new tab)
If your Python decorator unintentionally changes the signatures of my callables or doesn’t work with class methods, it’s broken and should be fixed. Sadly most decorators are broken because the web is full of bad advice.
Bad ux in everyday life: kitchen nightmares(opens in new tab)
This article was originally posted on the Universal Mind blog in June 2016. It’s come to my attention lately that my kitchen is absolutely riddled with poor experiences. Most of the appliances and apparatus one uses on a day-to-day basis ...
Get Instrumented: How Prometheus Can Unify Your Metrics(opens in new tab)
To get real time insight into running applications you need to instrument them and collect metrics: count events, measure times, expose numbers. That used to be a clusterfuck of technologies and approaches. Prometheus changes that.
Conditional Python Dependencies(opens in new tab)
Since the inception of wheels that install Python packages without executing arbitrary code, we need a static way to encode conditional dependencies for our packages. Thanks to PEP 508 we do have a blessed way but sadly the prevalence of ...
The security of a system is as strong as it's weakest component(opens in new tab)
The padlock that had seized shut on my back gate was proving hard to remove, the hardened steel U was not yielding to my hacksaw. I noticed some rivets underneath that turned out to be soft steel. 10 minutes of ...
Python 3 in 2016(opens in new tab)
My completely anecdotal view on the state of Python 3 in 2016. Based on my own recent experience, observations, and exchanges with other members of the Python community.
hasattr() – A Dangerous Misnomer(opens in new tab)
Don’t use Python’s hasattr() unless you’re writing Python 3-only code and understand how it works.
Storing Passwords in a Highly Parallelized World(opens in new tab)
Why “Use bcrypt.” is not the best recommendation (anymore).
Testing & Packaging(opens in new tab)
How to ensure that your tests run code that you think they are running, and how to measure your coverage over multiple tox runs (in parallel!).
Neovim(opens in new tab)
Random graph(opens in new tab)
Random graph, from playing around with RGL in Ruby. I like it, but it's pointless
How to find if two nodes are connected in an RGL graph(opens in new tab)
Say you have a graph like this: A simple graph How do you find out if there is a path between any of the two nodes? By using a breadth-first search: require 'rgl/implicit' require 'rgl/traversal' vertices = ["one", "two", "three"] ...
Beyond grep: Practical Logging and Metrics(opens in new tab)
Your Python applications are running but you’re wondering what they are doing? The only clue about their current state is the server load after ssh-ing into the servers? Let’s change that!
Agile for the rest of us(opens in new tab)
This article was originally written for the Fusionbox blog in January 2015. The Fusionbox process takes many pages from the Great Big Book of Agile Methodology to streamline and modernize the production of web content, etcetera, but for the folks ...
Frontend testing - Omaha Coffee & Code presentation(opens in new tab)
virtualenv Lives!(opens in new tab)
Setting up Python to the point to be able install packages from PyPI can be annoying and time-intensive. Even worse are OS-provided installations that start throwing cryptic error messages. Especially desktops are prone to that but it’s possible to break ...
I got my pan tilt servos working(opens in new tab)
I’m making a simple camera gimbal and tonight I wired up the right analog stick on my xbox controller to control the pan/tilt servos: Tomorrow I will print out a prototype gimbal structure.
Testing Github commit hook one liners(opens in new tab)
A couple of ruby one-liners for dumping out the content of a github commit hook payload: For hooks that use type application/json: $ ruby -rpp -rjson -rsinatra -e 'set :port, 8000; post "/*" do; pp JSON(request.body.read); end' For hooks that ...
AWS IAM Policy for allowing s3cmd to sync to an S3 bucket(opens in new tab)
It’s a good idea to set an IAM access policy for anything that accesses AWS using your account details, I wanted to do this for s3cmd syncing a local directory to an s3 bucket. There are a number of posts ...
The Sorry State Of SSL(opens in new tab)
TLS is the best technology we have for securing our communications. It comes with many sharp edges though. This talk tries to jumpstart a rough understanding and these links should help you to complete the picture.
Apple OpenSSL Verification Surprises(opens in new tab)
Apple ships a patched version of OpenSSL with macOS. If no precautions are taken, their changes rob you of the power to choose your trusted certificate authorities (CAs) and break the semantics of a callback that can be used for ...