In the web environment, the user can have their browser window set to any number of sizes, and the CSS has to apply to it. Also, users can resize the page after it's opened, and the CSS needs to adjust to new constrains. This means that the browser must calculate those when the page is rendered onscreen. Relative units are one of the tools CSS provides to work for the responsive design.

Let's begin with the cascade, the C in CSS. How it works and how to work with it practically.

Generate random numbers in Liquid was once possible with built-in rand(), but it has been taken out because it's easy to replicate in JavaScript and doesn't benefits to server side caching. However, you can actually get a random number in Liquid through a simple trick: making use of both the date & modulo Liquid filters.

Enter a C EOF character in Mac Terminal in the right way.

最近给博客匆匆换了主题，顺便打理一下这个荒废了很长一段时间的博客，重新投入使用。