OPI Blog
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Browsing Tags: web-and-mobile

Up to Spec: JavaScript Numeric Separators
Let's take a look at the proposal to add Numeric Separators to the JavaScript specification....
SwiftGen with Image & Color Asset Catalogs
You might remember back in 2015 when iOS 9 was introduced, and we were finally given a way to manage all of our assets in one place with Asset Catalogs. A few years later, support ...
Local WordPress Development with Docker
Getting the LAMP stack setup for local development can be difficult. With Docker we can get setup in five minutes. In this post I'll show you how....
Structuring SwiftUI Previews for API Calls
SwiftUI, together with Combine and Xcode 11+, provide a powerful toolset for quickly creating an app with a native UI. In Xcode 11+, the preview pane was introduced in order to provide live snapshots of ...
Validating Optional Objects with Yup
The Yup object validation library provides a lot of tools, but how do we use it to validate optional objects?...
Android Development for iOS Developers
Android development has greatly improved since the early days. Maybe you tried it out when Android development was done in Eclipse, emulators were slow and buggy, and Java was the required language. Things have changed ...
Jul 9, 2019
Building an iOS Chat Feature Without Hacks
The Problem Trying to build a chat feature in iOS is often overwhelming and requires solving several difficult problems. Under a time crunch, we often find ourselves going with the first solution we find that ...
Spring Web Flow and jQuery Caching
A while ago as I was helping a client re-write a computationally heavy backend system that had a Spring Web Flow wizard interface. The system would retrieve all orders of gas shipments for that day ...
A server-side guy interacts with React
I’m a server-side guy that happens to be living inside front-end projects. I know my way around jQuery, have gotten aquainted with Bootstrap, and use SASS if I have to do something a bit more ...