hello.js

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Friday, 7 December, 2018 UTC

Hosting Resources for Web Applications on the IBM Cloud

Hosting Resources for Web Applications on the IBM Cloud

Recently I open sourced a complete serverless web application which can be deployed on the IBM Cloud. This short article describes how static web resources like HTML and JavaScript files can be hosted in the cloud in a serverless fashion. This diagram ... more


Monday, 15 October, 2018 UTC

Hosting Static Web Application Resources on OpenWhisk

Hosting Static Web Application Resources on OpenWhisk

The tutorial Serverless Web Application and API describes how to develop serverless APIs and web applications via IBM Functions, the IBM Functions API Gateway and a No-SQL database. The static web resources are hosted via GitHub Pages. I’ve open sourced ... more


Thursday, 20 September, 2018 UTC

Installing Knative on the IBM Cloud

Installing Knative on the IBM Cloud

I finally found some time to start playing with Knative. It took me a few hours to get a simple sample running. Below I describe some pitfalls when installing Knative and tips how to avoid them. With the official instructions and these tips it shouldn’t ... more


Monday, 17 September, 2018 UTC

Training TensorFlow Object Detection Models

Training TensorFlow Object Detection Models

TensorFlow Object Detection is a powerful technology to recognize different objects in images including their positions. The trained Object Detection models can be run on mobile and edge devices to execute predictions really fast. I’ve used this technology ... more


Friday, 3 August, 2018 UTC

Deploying Machine Learning Models in the Cloud

Deploying Machine Learning Models in the Cloud

For software development there are many methodologies, patterns and techniques to build, deploy and run applications. DevOps is the state of the art methodology which describes a software engineering culture with a holistic view of software development ... more


Thursday, 2 August, 2018 UTC

Training AI Models on Kubernetes

Training AI Models on Kubernetes

Early this year IBM announced Deep Learning as a Service within Watson Studio. The core of this service is available as open source and can be run on Kubernetes clusters. This allows developers and data scientists to train models with confidential data ... more


Tuesday, 10 July, 2018 UTC

Deploying TensorFlow Models on Edge Devices

Deploying TensorFlow Models on Edge Devices

While it has been possible to deploy TensorFlow models to mobile and embedded devices via TensorFlow for Mobile for some time, Google released an experimental version of TensorFlow Lite as an evolution of TensorFlow for Mobile at the end of last year. ... more


Tuesday, 26 June, 2018 UTC

Hyperparameter Optimization with IBM Watson Studio

Hyperparameter Optimization with IBM Watson Studio

In March IBM announced Deep Learning as a Service (DLaaS) which is part of IBM Watson Studio. Below I describe how to use this service to train models and how to optimize hyperparameters to easily find the best quality model. I’m not a data scientist, ... more


Monday, 18 June, 2018 UTC

Training TensorFlow.js Models with IBM Watson

Training TensorFlow.js Models with IBM Watson

Recently Google introduced TensorFlow.js, which is a JavaScript library for training and deploying machine learning models in browsers and on Node.js. I like especially the ability to run predictions in browsers. Since running this code locally saves ... more


Monday, 30 April, 2018 UTC

Pictures from JAX 2018

Pictures from JAX 2018

Last week my colleagues and I attended JAX, which is a developer conference with 2000 attendees with a focus on Java and enterprise technologies. My colleagues and I presented and demonstrated the IBM Cloud and the IBM Code developer site. Below are ... more


Monday, 16 April, 2018 UTC

Developing Polyglot Applications with OpenWhisk

Developing Polyglot Applications with OpenWhisk

As serverless platforms mature, more and more sophisticated cloud-native applications are built with serverless technologies. I’ve created a sample application which uses multiple functions which have been developed with JavaScript, TypeScript, Java ... more


Thursday, 12 April, 2018 UTC

Serverless and Kubernetes Demos

Serverless and Kubernetes Demos

Over the next weeks I’ll repeat my session “When to use Serverless? When to use Kubernetes?” several times. As backup and for people who won’t attend the sessions I’ve recorded the demos. Read the summary of the session and get the slides. Demo 1 – 0:33 ... more


Wednesday, 28 March, 2018 UTC

Developing Polyglot Serverless Applications

Developing Polyglot Serverless Applications

As serverless platforms mature, more and more sophisticated cloud-native applications are built with serverless technologies. These applications are assembled with potentially many functions that are loosely-coupled and can be developed by different ... more


Tuesday, 27 March, 2018 UTC

Developing protected Serverless Web Applications

Developing protected Serverless Web Applications

Serverless platforms are often used to build APIs for web and mobile apps. I’ve open sourced a pattern that shows how to implement protected APIs with IBM Cloud Functions and how to invoke them from Angular web applications. Get the code from GitHub. ... more


Friday, 9 March, 2018 UTC

Developing OpenWhisk Functions with Kotlin in IntelliJ

Developing OpenWhisk Functions with Kotlin in IntelliJ

I’ve implemented some code that shows how Apache OpenWhisk functions can be developed with Kotlin. The Java code is built via Gradle and put into a Docker image which can be deployed to OpenWhisk cloud providers like the IBM Cloud. Get the code from ... more


Monday, 26 February, 2018 UTC

Transforming JSON Data in Serverless Applications

Transforming JSON Data in Serverless Applications

Serverless platforms like Apache OpenWhisk are gaining more and more traction. Rather than building only single functions, developers are starting to develop cloud-native applications with many serverless functions/microservices. The challenge when building ... more


Thursday, 22 February, 2018 UTC

Data Flows in Serverless Cloud-Native Applications

Data Flows in Serverless Cloud-Native Applications

Serverless platforms like Apache OpenWhisk are gaining more and more traction. Rather than building only single functions, developers are starting to develop cloud-native applications with many serverless functions/microservices. The challenge when building ... more


Friday, 9 February, 2018 UTC

Developing Serverless Functions with TypeScript

Developing Serverless Functions with TypeScript

One of the coolest capabilities of Apache OpenWhisk is the ability to develop functions with Docker. This allows you to develop functions in languages which are not supported out of the box by the platform. I’ve open sourced a sample that shows how to ... more


Friday, 2 February, 2018 UTC

Presentation how to create Alexa Skills with IBM Watson

Presentation how to create Alexa Skills with IBM Watson

Last week there was a webinar Create Alexa skills with Watson Conversation where I was supposed to present. However since I couldn’t make it, my colleague Mark Sturdevant jumped in on a short notice and did a great job. You can watch the recording, read ... more


Wednesday, 10 January, 2018 UTC

Debugging Apache OpenWhisk Functions with VS Code

Debugging Apache OpenWhisk Functions with VS Code

As a developer I develop and debug code locally as much as possible. I’ve written some sample code that shows how to debug Node.js OpenWhisk functions via Visual Studio Code. The sample code explains how to debug single-file functions, zipped multi-file ... more


Thursday, 16 November, 2017 UTC

Building Facebook Messenger Bots with Botkit and Watson

Building Facebook Messenger Bots with Botkit and Watson

I’ve implemented a sample Facebook Messenger bot which leverages the Node.js library Botkit and IBM Watson Conversation. With Botkit you can build bots for Slack, Facebook Messenger, Twilio and other messaging clients. For natural language understanding ... more


Wednesday, 15 November, 2017 UTC

Integrating Applications without writing Code

Integrating Applications without writing Code

IBM App Connect is an IPaaS (Integration Platform as a Service) to connect different applications without having to write code. Similarly to IFTTT users are typically business users or citizen developers from line of business departments. App Connect ... more


Wednesday, 18 October, 2017 UTC

My Favorite IBM Developer Journeys

My Favorite IBM Developer Journeys

The team of developer advocates within IBM has created a new site with journeys for developers. Journeys are sample scenarios that are available as open source, well documented and easy to reuse and deploy. There are roughly 60 journeys right now and ... more


Tuesday, 17 October, 2017 UTC

Fast On-Ramp for building Cloud-Native Apps

Fast On-Ramp for building Cloud-Native Apps

In order for developers to get started quickly to build applications and deploy them on the IBM Cloud, new starter kits have been made available. Check out the new IBM Cloud App Service. You can choose from several template the type of application or ... more


Monday, 16 October, 2017 UTC

How to write your own Slack Chatbots in Javascript

How to write your own Slack Chatbots in Javascript

Last week Ansgar Schmidt and I gave a session at Codemotion How to write your own Slack Chatbots in Javascript. Below are the slides with screenshots of our demos. We demonstrated how to write a Node.js application that uses Botkit to connect with Slack ... more


Tuesday, 10 October, 2017 UTC

Composing Serverless Apps with IBM Cloud Functions

Composing Serverless Apps with IBM Cloud Functions

Today at Serverlessconf IBM announced a new key capability (as IBM Research preview) of IBM Cloud Functions. With the new tool ‘Composer‘ apps can be created which contain multiple cloud functions. These apps coordinate the invocations of actions and ... more


Thursday, 5 October, 2017 UTC

Testing Watson Conversations in Slack

Testing Watson Conversations in Slack

Next week Ansgar Schmidt and I will give a session ‘How to write your own Slack Chatbots in Javascript‘ at codemotion. We will demonstrate how to connect Slack to Watson Conversation via the open source project botkit which leverages the Slack Real Time ... more


Monday, 7 August, 2017 UTC

Accessing Bluemix Services from Client-side Web Applications

Accessing Bluemix Services from Client-side Web Applications

Bluemix is IBM’s cloud platform to build and host applications which can leverage more than 100 services, for example databases and cognitive services. The services provide APIs which require credentials. Applications which are hosted on Bluemix as Cloud ... more


Tuesday, 1 August, 2017 UTC

Angular Form Validations with Redux for multiple Routes

Angular Form Validations with Redux for multiple Routes

Many frontend applications require the extensive use of forms to allow users entering information. Angular supports various mechanisms to handle forms, but I’ve struggled to figure out how to handle validations of data on different pages/routes. Below ... more


Monday, 10 July, 2017 UTC

Building Serverless Web Applications with OpenWhisk

Building Serverless Web Applications with OpenWhisk

Apache OpenWhisk is an open source cloud platform that executes functions in response to events at any scale. For example OpenWhisk can be used to run business logic in response to invocations from web and mobile apps over HTTP. This article describes ... more