Elixir Elixir Tip: Case vs. With Dating back to version 1.2, the with operator is one of Elixir's features that need a bit of time to comprehend at first. It often gets used in situations Preslav Rachev 11 Sep 2020 • 3 min read
Elixir Elixir Is Not Ruby. Elixir Is Erlang Try to remember the first time you heard about this fascinating language called Elixir. Chances are, you had by the time been developing software using Ruby. If that's the case, Preslav Rachev 6 Sep 2020 • 2 min read
Programming Write Stupid Code This is very much a re-interpretation of a post by Thorsten Ball, written back in 2015. Like him, I too came to the same realization, years after I first stared Preslav Rachev 30 Aug 2020 • 1 min read
Projects Does the Go World Need a Book About Graphics Programming? I have been toying with the idea of writing a book about graphics programming using Go. Preslav Rachev 26 Aug 2020 • 2 min read
Programming Lessons from Go: Keep Calm and Use the Byte Array Along with error handling and the lack of generics, the prevalent use of byte slices evoked resistance at first, but I quickly got used to it. Preslav Rachev 12 Aug 2020 • 3 min read
Programming My Reply To: The Case Against OOP is Wildly Overstated Knowing when to stick to a certain principle, but discarding it where it does not apply, is what distinguishes experienced developers from the rest. Preslav Rachev 3 Aug 2020 • 3 min read
Programming Fixing That Nasty "SSL module is not available" Bug on macOS Messing up with Xcode is a recipe for disaster. I knew this when I installed an Xcode Beta alongside an existing version of Xcode. Suddenly, one of my Python apps Preslav Rachev 9 Jul 2020 • 1 min read
Programming Musings on Go and Generics ... I feel like I am the only person in the Go programming community these days, who hasn't expressed an opinion about the latest generics proposal. I wish, I could say Preslav Rachev 20 Jun 2020 • 2 min read
Programming Go Tip: Copy a Reader Into a Writer Something so simple, and yet, so easy to forget right when you need it. How does one exhaustively read from a Reader and write to a Writer at the same Preslav Rachev 16 Jun 2020 • 1 min read
Programming On-Demand Request Logging in Flask Not logging enough is as equally bad, as logging too much. What developers need is a turn-key way to log requests on demand. Preslav Rachev 5 Jun 2020 • 4 min read
Programming A Simple Way to Keep a Go App Up and Running Poor man’s Kubernetes Preslav Rachev 24 May 2020 • 1 min read
Programming Auth0 Struggles: Access A Signed-Up User's App Metadata For quite some time, I have been fighting with Auth0 to get the app metadata I am storing for each user. It wasn't easy, which is why I decided to document my steps. Preslav Rachev 17 May 2020 • 2 min read
Programming Use the Git History to Identify Pain Points in Any Project Have you heard of Adam Tornhill's work? If not, I highly recommend that you set some time aside and check out Your Code as a Crime Scene or Software DEsign Preslav Rachev 1 Mar 2020 • 3 min read
Elixir iEx Is Dope iEx (Elixir's interactive shell) is pure dope! It helped bring my development efforts back to the "let's play and see what happens" level. Since Elixir modules are stateless and made Preslav Rachev 24 Feb 2020 • 1 min read
Elixir Elixir Month Yes, the Elixir. I’ve decided to use the cold February weather, as well as the relative project calm, and see how far I can go with it. But why Preslav Rachev 11 Feb 2020 • 3 min read
Crystal A Crystal in Go’s World Imagine a programming language with the ergonomic syntax of Ruby, the speed of execution of C, the concurrency model of Go, and last but not least, a compiler that performs Preslav Rachev 26 Jan 2020 • 3 min read
Programming Simple Immutable Builders in Go, Using Value Receivers Even in a simple language like Go, concurrently updating mutable state is like playing with fire. Take this piece of code, for example: l := content.NewLoader() l.PageCount = 5 c Preslav Rachev 6 Oct 2019 • 2 min read
Programming Developer Tool Tip: DevDocs Here is a handy developer tool tip for today: DevDocs As developers, we spend a large portion of our time, searching for the "name of the function abc that Preslav Rachev 6 May 2019 • 1 min read
