javascript

iPhone 8 vs Intel Core i5 web performance

With Twitter being Twitter, I saw this image there, and now I can’t find it again. But it shows that the new iPhone 8 is significantly faster at rendering a cnn.com page.

Actually, since I can’t find the original source, I don’t know if they both rendered mobile web pages, or whether they tried several times to make sure it wasn’t just a hiccup. But seeing that the architecture in a little phone can come anywhere near the performance of a desktop/laptop processor that’s still being sold makes one wonder about the future.

Update: I think this was the original source of the image.

Learning FP: Experiences on the Elm language

This image is from a tutorial titled, Learning FP: Experiences on the Elm language.

I don’t know much about Elm yet, other than it’s an FP language for writing browser code, and it looks a lot like Haskell. As the tutorial author states, “Elm is a programming language that compiles to HTML5: HTML, CSS and JavaScript.” Another good quote is, “There are no worries about bugs due to weird mixed state as the state is always a direct result of input.”

How to add a Sencha ExtJS splash (loading) screen

I’ve written a couple of small Sencha ExtJS applications lately, and I can confirm that the following technique works to display a splash screen while your application is loading.

(This isn’t a tutorial per se. I assume that you know how to use ExtJS, and just want to see how to implement a splash screen (loading page) as the user waits for the application to load.)

In short, you’ll want code like this in your Ext.application function: