Ken Rimple

The O'Reilly AI Conference

I recently attended the O’Reilly AI Conference in New York where artificial intelligence practitioners showcased the impressive strides they’ve made so far in using AI for real-world applications

UITableView Swipe Actions in iOS 11

Overview One of the new but little discussed APIs in iOS 11 allows the addition of swipe actions on UITableView rows via the new UISwipeActionsConfiguration class and associated UITableViewDelegate methods. Adding swipe left or swipe right actions is now pretty simple, so lets just dive right in. To try out these new APIs, a very … Read More

Updating text on a Loading spinner with Ionic 3

Ionic has a handy Loading component, typically used to display a spinner and message while some network operation completes or some other work goes on in the background. It works well for simple operations, but falls down for dynamic or multi-step operations. For instance, when you call the LoadingController to set things up, you can … Read More

AWS: Overview of IAM

Have you ever read something like this in the AWS documentation? “When you attach policy to a user, the user is the implicit principal. When you attach a permission policy to an IAM role, the principal identified in the role’s trust policy gets the permissions.” I spent a while trying to wrap my mind around … Read More

Changing your iOS App Icon programatically

When iOS 10.3 was released, Apple opened up an API to allow developers to change the app icon for their app programatically. Of course this doesn’t mean you can change it every second like the Clock app, or even every day like the Calendar app. What you can do is change the app icon when … Read More

Real World Spark Lessons

I recently built a Spark job that runs every morning to collect the previous day’s data from a few different datasources, join some reference data, perform a few aggregations and write all of the results to Cassandra. All in roughly three minutes (not too shabby).

Philly ETE 2017 #1 – Loving Lean Android Layouts – Huyen Tue Dao

Layouts are the foundation of Android UI, and while they are seemingly straightforward, understanding how to develop efficient layouts is sometimes less so. However, efficient, “lean” layouts can be vital to both user experience and app performance. This session examines the importance of lean layouts, tools for analyzing layouts and their performance, tips and techniques … Read More

Alexa adds Device Identity

We have an Alexa project where we’re using Alexa to control physical devices in the room. In a deployment, there are multiple devices in multiple rooms. But these devices aren’t lights or thermostats, so they aren’t yet candidates for the Alexa Smart Home API. A few months ago, it looked like we would have to … Read More