A collection of articles on topics I am passionate about.https://dumitrucusnir.com/https://dumitrucusnir.com/blog/sockets-buffers-and-the-stream/https://dumitrucusnir.com/blog/sockets-buffers-and-the-stream/From the wire to async/await: what the network actually delivers, what a socket is, where the bytes wait on both sides of it, and how async I/O grew out of all that.Fri, 11 Sep 2026 00:00:00 GMTnetworkingconcurrencysystem designhttps://dumitrucusnir.com/blog/no-magnets-no-forks/https://dumitrucusnir.com/blog/no-magnets-no-forks/An ever-evolving list of my heuristics for dodging tourist traps and eating where the locals do.Sat, 04 Jul 2026 00:00:00 GMTtravelfoodhttps://dumitrucusnir.com/blog/why-angular-has-null-vs-undefined/https://dumitrucusnir.com/blog/why-angular-has-null-vs-undefined/Angular returns null where you’d expect undefined. It’s not a bug - it’s a fossil from when the framework was built to also run on Dart, which has no concept of undefined at all.Sun, 09 Feb 2025 00:00:00 GMTtypescriptcodingangular