We will talk about one not obvious moment in working with nested transactions in Yii2. And about why we should clearly complete all opened transactions.
Description of one proven method to the organization of a flexible modular architecture on Yii2. In this article describes the basic application architecture, system of module connection, routing and event handling.
Recently I started to learn such remarkable language as Rust. And for practice I decided to visualise any fractal on it. The choice fell on Levy C curve. This article contains a cursory review of resulting program. We can see how Rust works with files, graphics and structs.