Python Atomic lock-free counters in Python At Datadog, we're really into metrics. We love them, we store them, but we also generate them. To do that, you need to juggle with integers that are incremented, also
Git Properly managing your .gitignore file There's not a single month where I don't have to explain this. I thought it'd be a good opportunity to write about this .gitignore file so everyone is up to
Python Finding definitions from a source file and a line number in Python My job at Datadog keeps me busy with new and questioning challenges. I recently stumbled upon a problem that sounded easy but was more difficult than I imagined. Here's the
Python Sending Emails in Python — Tutorial with Code Examples What do you need to send an email with Python? Some basic programming and web knowledge along with the elementary Python skills. I assume you’ve already had a web
Python Python and fast HTTP clients Nowadays, it is more than likely that you will have to write an HTTP client for your application that will have to talk to another HTTP server. The ubiquity of
Python Dependencies Handling in Python Dependencies are a nightmare for many people. Some even argue they are technical debt. Managing the list of the libraries of your software is a horrible experience. Updating them — automatically?
PostgreSQL The Art of PostgreSQL is out! If you remember well, a couple of years ago, I wrote about Mastering PostgreSQL, a fantastic book written by my friend Dimitri Fontaine. Dimitri is a long-time PostgreSQL core developer
Python Handling multipart/form-data natively in Python RFC7578 (who obsoletes RFC2388) defines the multipart/form-data type that is usually transported over HTTP when users submit forms on your Web page. Nowadays, it tends to be replaced by
Python Advanced Functional Programming in Python: lambda A few weeks ago, I introduced you to functional programming in Python. Today, I'd like to go further into this topic and show you so more interesting features. Lambda FunctionsWhat
Python An Introduction to Functional Programming with Python Many Python developers are unaware of the extent to which you can use functional programming in Python, which is a shame: with few exceptions, functional programming allows you to write
Python Writing Your Own Filtering DSL in Python A few months ago, we've seen how to write a filtering syntax tree in Python. The idea behind this was to create a data structure — in the form of a
Python + Memcached: Efficient Caching in Distributed Applications When writing Python applications, caching is important. Using a cache to avoid recomputing data or accessing a slow database can provide you with a great performance boost. Python offers built-in
How to Log Properly in Python Logging is one of the most underrated features. Often ignored by software engineers, it can save your time when your application's running in production. Most teams don't think about it
Python Serious Python released! Today I'm glad to announce that my new book, Serious Python, has been released. However, you wonder… what is Serious Python? Well, Serious Python is the the new name of
Database Why You Should Care That Your SQL DDL is Transactional I don't write a lot about database management. How come? I'm a software engineer, and like many of my peers, I leverage databases to store data. I should talk more
Gnocchi Podcast.__init__: Gnocchi, a Time Series Database for your Metrics A few weeks ago, Tobias Macey contacted me as he wanted to talk about Gnocchi, the time series database I've been working on for the last few years. It was
Python A multi-value syntax tree filtering in Python A while ago, we've seen how to write a simple filtering syntax tree with Python. The idea was to provide a small abstract syntax tree with an easy to write
Python The Best flake8 Extensions for your Python Project In the last blog post about coding style, we dissected what the state of the art was regarding coding style check in Python. As we've seen, Flake8 is a wrapper
Mergify More GitHub workflow automation The more you use computers, the more you see the potentials for automating everything. Who doesn't love that? By building Mergify those last months, we've decided it was time bring
Python Code Style Checks in Python After starting your first Python project, you might realize that it is actually not that obvious to be consistent with the way you write Python code. If you collaborate with
Python High-Performance in Python with Zero-Copy and the Buffer Protocol Whatever your programs are doing, they often have to deal with vast amounts of data. This data is usually represented and manipulated in the form of strings. However, handling such
Gnocchi 4.3.0 released This new release minor release of Gnocchi has been a bit longer than usual, but here it is! So what's new in this version of Gnocchi? Well, according to the
Python Starting your first Python project There's a gap between learning the syntax of the Python programming language and being able to build a project from scratch. When you finish reading your first tutorial or book
Mergify How I stopped merging broken code It's been a while since I moved all my projects to GitHub. It's convenient to host Git projects, and the collaboration workflow is smooth. I love pull requests to merge
Mergify Stop merging your pull requests manually If there's something that I hate, it's doing things manually when I know I could automate them. Am I alone in this situation? I doubt so. Nevertheless, every day, they
