The Servlet 4.0 specification is out and Tomcat 9.0.x does support it. Time to dive into Tomcat 9. Prerequisite: Java Since OS X 10.7 Java is not (pre-)installed anymore, let’s fix that by installing a Prebuilt OpenJDK Binary. Easy to follow details...

Since OS X 10.7 Java is not (pre-)installed anymore, let’s fix that. As I’m writing this, Java 11.0.9 is the latest LTS (Long Term Support) version and AdoptOpenJDK is one of the best places to find Prebuilt OpenJDK Binaries. Easy to follow...

Whenever I got a new laptop or was (re-)installing Mac OS from scratch, a Java JDK, IntelliJ IDEA, and Tomcat, the “pure Java” HTTP web server environment, were always among the 1st things I installed. How times have changed. Now...

Now this post will be for the long tail, only a few will find this helpful, but for those it will be more than just helpful it will be a dramatic productivity booster. Here we go .. Imagine a scenario...

Fourteen years ago I wrote a blog post about the signal levels that come in and go out of your typical cable modem. Some things have changed some stayed the same. Let’s revisit this topic. The IP address to connect...

Teams had taken four runs down the 1,450 meter (almost 1 mile) long track, made of reinforced concrete, covered in ice. Still, their combined times were separated by less than a blink of an eye. The ice on the track...

When it comes to deploying lambda function into AWS, I have been using mostly Java for the implementation language and runtime. However, using Python has some advantages, especially if the code does not require parallel threads. E.g., the deployment package...

Democratizing the creation of delightful audible content Have you ever heard an interview with Alicia Keys? She spent most of her childhood in Hell’s Kitchen, one of New York City’s toughest neighborhoods. Experiencing how much emotion she’s putting into each word...

Very recently, I showed you one of the probably easiest ways, to host your very own Java-based web-service. Remember, we added providedCompile group: 'javax.servlet', name: 'javax.servlet-api', version: '4.0.1' to the build.gradle file, implemented a WebServlet, and finally dropped a war...

This is a quick demo, showing how to create a Java web-service in just a few minutes. I’m assuming you have Java and Tomcat already installed on you computer and use IntelliJ and gradle as your build-automation system. The simple...

On September 25, Amazon released 80 new devices, some of which can be found here. Even for a company of its size, that is an impressive number and an even more impressive line-up. However, I think something much more profound...

“From the Docks to the Gate is a story about a simple service that answers only one question, if a given number is prime. The core problem is first solved with a Java class, which is then wrapped into a...

Since OS X 10.7 Java is not (pre-)installed anymore, let’s fix that. As I’m writing this, Java 11.0.4 is the latest version and AdoptOpenJDK is one of the best places to find Prebuilt OpenJDK Binaries. Easy to follow details about how to...

1GHz, single-core CPU 512MB RAM 802.11 b/g/n wireless LAN Bluetooth 4.1 Bluetooth Low Energy (BLE) Case The Raspberry Pi Zero W V1.1 by far not the most powerful, but my favorite Raspberry Pi board, because it’s so very most and...

It wasn’t Steve Jobs, but former Apple Computer CEO John Sculley, who in his book Odyssey: Pepsi to Apple, introduced us to the Knowledge Navigator, an astoundingly capable virtual assistant. Today, more than thirty years later, smart speakers are trying...

The Servlet 4.0 specification is out and Tomcat 9.0.x does support it. Time to dive into Tomcat 9. [updated on Sep.2.2018] Prerequisite: Java Since OS X 10.7 Java is not (pre-)installed anymore, let’s fix that first. As I’m writing this, Java...

Sometimes you may want the same Tomcat instance to respond to requests for more than just one hostname. For HTTP this can easily be accomplished, by mapping those hostnames to the same IP address, using the tools provided by your...

Adafruit’s HUZZAH32 Feather board is built with the official WROOM32 module: Two CPU cores that can be individually controlled, and the CPU clock frequency is adjustable from 80 MHz to 240 MHz 448 kB of ROM for booting and core functions....

If you have Tomcat installed on your Mac or Linux computer, like I have shown here and here, you may sooner or later want to serve content not only through HTTP, but also securely through HTTPS. Instead of going the...

The idea behind the Vocal-Emotion Lamp is rather simple: to use a small affordable computer that can continually recognize emotion from the human voice and then visualize the result of the analysis, effortlessly and enjoyably. The implementation of this idea uses the small and...

With most modern Android phones, just saying the phrase “OK Google” will launch the Google assistant app, which is capable of answering simple questions, or functioning as a app launcher. Following up with “open g mail” will launch the Gmail...

Serverless computing is a cloud computing execution model, in which the cloud provider dynamically manages the allocation of machine resources. Serverless computing allows running applications and services, without thinking much about servers, runtime resources, or scaling issues. A very simple serverless...

Cross-Post from my article on VentureBeat.com With the rise of AI, voice, and more generally language-driven technologies — like chatbots, Siri, and Amazon Echo — conversational user interfaces (CUI) have a chance of becoming the next major technology platform after...

“New uses of speech technologies are changing the way people interact with companies, devices, and each other. Speech frees users from keyboards and tiny screens and enables valuable, effective interactions in a variety of contexts.” Clearly focused, SpeechTek 2017 was...

The CI-Conference is the successor of the Mobile Voice Conference, and like its predecessor, organized by Bill Meisel and AVIOS (Applied Voice Input Output Society). The two day conference (1/30-31) ran like clockwork at the Westin in San Jose, had a keynote, two keynote...