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Latest 7 Posts
There's a plug-in for that! Getting started with Cloud Foundry plug-ins
Mon, Aug 24th 2015 59
Let there be a light - Angular, nodeRED and Websockets
Sun, Aug 23rd 2015 208
Identiy in the age of cloud
Sun, Aug 23rd 2015 75
Adding Notes data to Websphere content manager via RSS
Mon, Jul 27th 2015 12
Midget Imaginaire - Scheinzwerg
Wed, Jul 15th 2015 12
Validating JSON object
Sat, Jul 11th 2015 10
Random insights in Bluemix development (a.k.a Die Leiden des Jungen W)
Mon, Jun 29th 2015 21
Top 10
Let there be a light - Angular, nodeRED and Websockets
Sun, Aug 23rd 2015 208
Identiy in the age of cloud
Sun, Aug 23rd 2015 75
There's a plug-in for that! Getting started with Cloud Foundry plug-ins
Mon, Aug 24th 2015 59
Custom REST service in XPages using a service bean
Wed, Oct 22nd 2014 21
Random insights in Bluemix development (a.k.a Die Leiden des Jungen W)
Mon, Jun 29th 2015 21
Investigating JNDI
Thu, Jun 18th 2015 18
Workflow for beginners, Standards, Concepts and Confusion
Thu, Jul 24th 2014 16
Creating nginx configurations for Domino SSL
Sat, Sep 20th 2014 15
Cloud with a chance of TAR balls (or: what is your exit strategy)
Sun, Apr 12th 2015 15
Rethinking the MimeDocument data source
Mon, Sep 1st 2014 14




Recent Blog Posts
59
There's a plug-in for that! Getting started with Cloud Foundry plug-ins
Mon, Aug 24th 2015 12:03p   Stephan H Wissel
Since IBM Bluemix is build on top of Cloud Foundry, all the knowhow and tooling available for the later can be used in Bluemix too. One of the tools I'm fond of is the Cloud Foundry command line cf. The tool is a thin veneer over the Cloud Foundry REST API and is written in GO. "Thin veneer" is a slight understatement, since the cf command line is powerful, convenient and - icing on the cake - extensible. A list of current plug-ins can be found in the CF Plug-in directory. Now the installat
208
Let there be a light - Angular, nodeRED and Websockets
Sun, Aug 23rd 2015 10:20p   Stephan H Wissel
NodeRED has conquered a place in my permanent toolbox. I run an instance in Bluemix, on my local machine and on a Raspberry PI. I build a little demo where a light connected to a Particle lights up based on an event reaching a NodeRED instance. However I don't carry my IoT gear every time (got lots of funny looks at airport security for it), but I still want to demo the app. The NodeRED side is easy. I just added a websocket output node and the server side is ready to roll. On the browser si
75
Identiy in the age of cloud
Sun, Aug 23rd 2015 11:01a   Stephan H Wissel
Who is using your application and what they can do has evolved over the years. With cloud computing and the distribution of identity sources, the next iteration of this evolution is pending. A little look into the history: In the beginning was the user table (or flatfile) with a column for user name and (initially unencrypted) password. The world was good, of course only until you had enough applications and users complaint bitterly In the next iteration access to the network or intranet was mo
12
Adding Notes data to Websphere content manager via RSS
Mon, Jul 27th 2015 9:24a   Stephan H Wissel
Websphere Content Manager (WCM) can aggregate information from various sources in many formats. A quick and dirty way to add Domino data is to use RSS. The simplest way is to add a page (not an XPage, a Page), define its content type as application/rss+xml and add a few lines to it: feed.xml Extraction of data from the Audience Governance database [Embedded view here] Thereafter create a view with passthrou HTML with all the values for an item element. Of course tha
12
Midget Imaginaire - Scheinzwerg
Wed, Jul 15th 2015 1:35p   Stephan H Wissel
The imaginary midget This is an attempt to transpose a concept deeply rooted in the German cultural context into another language. Bear with me. Over at Omnisophie Professor Dueck has a column titled "Scheinzwerge" (loosely translated: imaginative dwarfs|midgets|gnomes), dealing, besides others, with the Greek crisis. It draws heavily on a very German childhood classic "Jim Button and Luke the Engine Driver". In this famous children book and string puppet play we meet Mr. Tur Tur who is a
10
Validating JSON object
Sat, Jul 11th 2015 1:45p   Stephan H Wissel
One of the nice tools for rapid application development in Bluemix is Node-RED which escapted from IBM research. One passes a msg JSON object between nodes that process (mostly) the msg.payload property. A feature I like a lot is the ability to use a http input node that can listen to a POST on an URL and automatically translates the posted form into a JSON object. The conversion runs non-discriminatory, so any field that is added to the form will end up in the JSON object. In a real world app
21
Random insights in Bluemix development (a.k.a Die Leiden des Jungen W)
Mon, Jun 29th 2015 5:31a   Stephan H Wissel
Each platform comes with it's own little challenges, things that work differently than you expect. Those little things can easily steal a few hours. This post collects some of my random insights: Development cycle I'm a big fan of offline development. My preferred way is to use a local git repository and push my code to Bluemix DevOps service to handle compilation and deployment. It comes with a few caveats When you do anything beyond basic Java, you want to use Apache Maven. The dependency
18
Investigating JNDI
Thu, Jun 18th 2015 5:18a   Stephan H Wissel
When developing Java, locally or for Bluemix a best practise is to use JNDI to access resources and services you use. In Cloud Foundry all services are listed in the VCAP_SERVICES environment variable and could be parsed as JSON string. However this would make the application platform dependent, which is something you want to avoid. Typically a JNDI service requires to edit the server.xml to point to the right service. However editing the server.xml in Bluemix is something you do want to avoid
12
Adventures with NodeRed
Tue, Jun 2nd 2015 10:42a   Stephan H Wissel
Node-RED is a project that succesfully escaped "ET" - not the alien but IBM's Emerging Technology group. Build on top of node.js, Node-RED runs in many places, including the Rasberry PI and IBM Bluemix. In Node-RED the flow between nodes is graphically represented by lines you drag between them, requiring just a little scripting to get them going. The interesting part are the nodes that are available (unless you fancy to write your own): A large array of ready made flows with nodes and samp
14
Your API needs a plan (a.k.a. API Management)
Tue, May 19th 2015 9:12p   Stephan H Wissel
You drank the API Economy cool aid and created some neat https addressable calls using Restify or JAX-RS. Digging deeper into the concept of micro services you realize, a https callable endpoint doesn't make it an API. There are a few more steps involved. O'Reilly provides a nice summary in the book Building Microservices, so you might want to add that to your reading list. In a nutshell: You need to document your APIs. The most popular tool here seems to be Swagger and WSDL 2.0 (I also lik




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