Hi everyone, Welcome to issue #169. Thank you for being a reader to my newsletter. I hope you can help spread the words out by telling your friend about this :-)
We know the feeling when we have a bug in production which is supposed to be caught by tests. So how to prevent that? What to test the test?
Let’s play with lesser known toggles available to us when it comes to font rendering and see what they do, let’s have fun and explore possibilities
Gitlab is very good at sharing their infrastructure setup. In this article, they explain the precise maintenance process to execute a major version upgrade of PostgreSQL.
PostgreSQL comes with many parameters for fine-tuning. Logging parameters are huge too. We will cover some fundamental practices to get the best out of PostgreSQL logs.
Tesla was ahead of his time, but fail to show the potential of his works to the right audience. As a developer, we usually want to build side projects or has a cool idea about how thing work but we cannot bring it to the next level. not gain traction, not enough funding. I know this feeling, I like my personal ec2 price check project but I don’t know how to bring more traffic to it.
Don’t push the responsibility of maintaining invariants required by your class on to its callers.
You cannot model probability with nondeterminism, and you cannot model nondeterminism with probability.
If you go shopping for CPU or read CPU benchmark/optimization you will see mention about L1/L2 cache and usually they are just a few MBs. So what are they and why they are helpful with mere MBs.
So here’s a short tutorial on ansi escape codes and terminal control, because you philistines won’t stop using ncurses and oh my god WHY ARE WE STILL USING NCURSES IT IS THE TWENTY FIRST CENTURY
How we migrated our Android endpoints out of a monolith into a new microservice.
Computers use random numbers for everything from cryptography to gambling, generative algorithms, video games, and more. However, computers are inherently incapable of being random. Instead, programmers rely on pseudorandom number generators (PRNGs). These are simply a category of algorithms that programmatically generate new random numbers from a given starting value called the seed.
RSpec and Minitest matchers to prevent the N+1 queries problem.Ruby
a modern audiobook player for Linux using GTK. You will see how we built desktop app with PythonPython
Unified diff parser and printer for GoGo
Go deep to reverse engineering to explain how to achive that kind of speed.
What do you do when no fiber to your home? starting a TelCo.
a static code analysis tool designed for parsing various common data formats in search of hardcoded credentials and dangerous functions. Whispers can run in the CLI or you can integrate it in your CI/CD pipeline.
a simple, fast, versioned, authenticated, embeddable key-value store database in pure GOLANG.
a tool that makes it easy to run a platform as a service (PaaS) on your own VM or hardware. It combines Traefik and Docker, offers free automatic https, secure deployments via dockerfiles, and analytics
Utility to find AES keys in running process memory. Works for 128, 192 and 256-bit keys. Detail on how it works
makes the data available from any database as a serverless web service, simplifying the process of building data-driven applications.
keeps your k8s clusters sailing smoothly. It runs a variety of checks to ensure that Kubernetes pods and controllers are configured using best practices, helping you avoid problems in the future
Better Dev Link