SCSS selector nesting and parent reference explained

SCSS extends CSS with features like nesting and parent selector referencing to reduce repetition and improve maintainability. 1. CSS selector recap Standard CSS selectors include: Universal: * Type: div, p, etc. Class: .classname ID: #id Attribute selectors: [attr], [attr=val], [attr~=val], [attr|=val], [attr^=val], [attr$=val], [attr*=val] Se ...

Posted on Tue, 23 Jun 2026 16:07:06 +0000 by squizz

Using Selectors in a Multithreaded Environment and Understanding IO Models

1. Using Selector in a Multithreaded Environment 1-1 Why Multi-threading Optimization? Although a single thread with a selector can manage multiple channels' events, it has the following drawbacks: Drawback 1: Multi-core CPUs are wasted. Drawback 2: A time-consuming event can delay the processing of other events. Single-threaded event processi ...

Posted on Sun, 31 May 2026 17:58:08 +0000 by ReVeR