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Latest 7 Posts
Your API needs a plan (a.k.a. API Management)
Tue, May 19th 2015 38
The Rise of JavaScript and Docker
Sat, May 9th 2015 23
Cloud with a chance of TAR balls (or: what is your exit strategy)
Sun, Apr 12th 2015 19
email Dashboard for the rest of us - Part 2
Sat, Apr 11th 2015 16
email Dashboard for the rest of us - Part 1
Sat, Apr 11th 2015 25
XPages XML Document DataSource - Take 2
Thu, Mar 5th 2015 18
Develop local, deploy (cloud) global - Java and CouchDB
Mon, Mar 2nd 2015 17
Top 10
Your API needs a plan (a.k.a. API Management)
Tue, May 19th 2015 38
email Dashboard for the rest of us - Part 1
Sat, Apr 11th 2015 25
The Rise of JavaScript and Docker
Sat, May 9th 2015 23
Cloud with a chance of TAR balls (or: what is your exit strategy)
Sun, Apr 12th 2015 19
XPages XML Document DataSource - Take 2
Thu, Mar 5th 2015 18
Double-O Bike Light Review
Sat, Jan 10th 2015 17
Develop local, deploy (cloud) global - Java and CouchDB
Mon, Mar 2nd 2015 17
email Dashboard for the rest of us - Part 2
Sat, Apr 11th 2015 16
How to stiffle innovation in IT
Sat, Jan 3rd 2015 15
CKEditor and Mustache become friends
Tue, Apr 8th 2014 14


Stephan H Wissel
Blog Title wissel.net
Blog Description Usability - Productivity - Business - The web - Singapore & Twins
Blog URL http://www.wissel.net/
RSS Feed http://feeds.feedburner.com/WisselNet
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Feed Last Checked May 19, 2015 9:10:37 PM EST. Realtime Update:
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Recent Blog Posts
38
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
23
The Rise of JavaScript and Docker
Sat, May 9th 2015 2:25a   Stephan H Wissel
I loosely used JavaScript in this headline to refers to a set of technologies: node.js, Meteor, Angular.js ( or React.js). They share a communality with Docker that explains their (pun intended) meteoric rise. Lets take a step back: JavaScript on the server isn't exactly new. The first server side JavaScript was implemented 1998 and the Union mount, that made Docker possible, is from 1990 too. Client side JavaScript frameworks are plenty too. So what made the mentioned ones so successful? I
19
Cloud with a chance of TAR balls (or: what is your exit strategy)
Sun, Apr 12th 2015 7:15a   Stephan H Wissel
Cloud computing is here to stay, since it does have many benefits. However even unions made "until death do us part" come with wagers these days. So it is prudent for your cloud strategy to contemplate an exit strategy. Such a strategy depends on the flavour of cloud you have chosen (IaaS, PaaS, SaaS, BaaS) and might require to adjust the way you on-board in the first place. Let me shed some light on the options: IaaS When renting virtual machines from a book seller, a complete box from class
16
email Dashboard for the rest of us - Part 2
Sat, Apr 11th 2015 11:43p   Stephan H Wissel
In Part 1 I introduced a potential set of Java interfaces for the dashboard. In this installment I'll have a look on how to extract this data from a mail database. There are several considerations to be taken into account: The source needs to supply data only from a defined range of dates - I will use 14 as an example The type of entries needed are: eMails replies Calendar entries Followups I'm waiting for Followups I need to action Data needs to be in details and in summary (counts) People
25
email Dashboard for the rest of us - Part 1
Sat, Apr 11th 2015 8:15a   Stephan H Wissel
One of the cool new features of IBM Verse is the Collaboration Dashboard. Unfortunately not all of us can switch to Verse overnight, so I asked myself: can I have a dashboard in the trusted old Notes 9.0 client? Building a dashboard requires 3 areas to be covered: What data to show Where does the data come from How should the data be visualised, including actionable options (that's the place we preferences between users will differ strongly) For a collaboration dashboard I see 3 types of dat
18
XPages XML Document DataSource - Take 2
Thu, Mar 5th 2015 4:53a   Stephan H Wissel
For a recent project I revisited the idea of storing XML documents as MIME entries in Notes - while preserving some of the fields for use in views and the Notes client. Jesse suggested I should have a look at annotations. Turns out, it is easier that it sound. To create an annotation that works at runtime, I need a one liner only: @Retention(RetentionPolicy.RUNTIME) public @interface ItemPathMappings { String[] value(); } To further improve usefulness, I created a "BaseConfiguration" my clas
17
Develop local, deploy (cloud) global - Java and CouchDB
Mon, Mar 2nd 2015 12:14p   Stephan H Wissel
Leaving the cosy world of Domino Designer behind, venturing into IBM Bluemix, Java and Cloudant, I'm challenged with a new set of task to master. Spoiled by Notes where Ctrl+O gives you instant access to any application, regardless of being stored locally or on a server I struggled a little with my usual practise of develop local, deploy (Bluemix) global The task at hand is to develop a Java Liberty based application, that uses CouchDB/Cloudant as its NoSQL data store. I want to be able to deve
17
Double-O Bike Light Review
Sat, Jan 10th 2015 1:27p   Stephan H Wissel
I backed the Double-O bike light Kickstarter project and use them for a while now. This is my verdict: TL:TR Highly functional light with clever features, some teething problems If you like to ride through the unlit woods at night, Double-O isn't for you, but that would. It is a commuter light with a rather clever design. The Good It is huge. With the LED arranged in a circle you get a big patch of light, a much bigger surface than the bike lights you commonly find in the market. That alo
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Now that the client is gone - what to do with all that notes:// links?
Fri, Jan 9th 2015 3:06p   Stephan H Wissel
In your mind you drank the cool-aid and got onto IBM Verse or went to the dark side. You web enabled all of your applications (smartly) and you are ready to turn off the Notes clients. But then you realize: there are notes:// URLs (or their file equivalents ndl files) and doclinks spread all over your organisation: in eMails, in office documents, in applications in personal information vaults. So you wake up and go back to the drawing board. What is the issue at hand? Lotus Notes was one of th
9
View driven accordeon
Thu, Jan 8th 2015 4:15p   Stephan H Wissel
The Extension Library features a Dojo Accordion control. In the sample application the panels and their content are created static using xe:basicContainerNode and xe:basicLeafNode. A customer asked: "Can I populate the accordion using view entries?" Working my way backwards I first designed the format for the SSJS I need for the menu and then how to generate this format from an categorized view. The format that suited this need looks like this: [ { name : "Level 1"; items : ["re
15
How to stiffle innovation in IT
Sat, Jan 3rd 2015 11:16p   Stephan H Wissel
Innovation drives change, innovation improves productivity. Both are scary, so you might want to embark on a strategy to prevent innovation. Cutting your R&D spending along isn't enough, since determined minds will find a way around it (BYOD anyone). So here is my sure fire receipt how to get rid of innovation. It is not a list of "pick one", but step by step instructions to "kill the beast": Split your IT department into two. A small group of business facing analysts and consultants,
11
Document dependent inline forms
Fri, Jan 2nd 2015 9:07a   Stephan H Wissel
In Notes client applications we are used to opening any document from a view and get it redered with the form specified in the Form (or the view's form formula). XPages behaves in a similar fashion when using the view control. However both approached open a new page (a tab in the Notes client, replaceing the current window in a browser). Modern applications however expect a Single page application behavior, where only parts of the screen are replaced with new information. The XPages Extension
3
The engineered society
Thu, Jan 1st 2015 10:11p   Stephan H Wissel
While waiting at my favourite tailor, a fellow Singaporean chalked up a conversation. Unsurprisingly education became a topic. Singapore regularly scores in the top bracket in the PISA test (probably empowered due to lots of homework) and the US is adopting Singapore math. However my counterpart highlighted a different aspect: "The Singapore school system drills you to build an ever growing portfolio of problem solutions and hone the skill to match any occurring challenge to this portfolio" h
8
Mail Merge with XPages
Fri, Dec 12th 2014 7:11p   Stephan H Wissel
Being able to have individualized letters based on a template was one of the drivers to make Word processors popular. In the age of mass-communication of one. This tasks falls no longer to the printer, but your eMail processor. For a complete solution, check out Chris Toohey's excellent Mailer application, that is yours for USD 5.00 only. I was wondering what it would take to build something similar, minus the address management, in XPages. I defined a few constraints: I don't want to store
3
Command line mail merge
Fri, Dec 12th 2014 7:11p   Stephan H Wissel
As shown before mail merging with Notes and {{mustache}} is simple and easy to code. To be able to run merging on the command line, I modified the bean and removed the XPages dependency and added a static main function. Now you can run it off the command line easily. It requires 5 parameters: the database name the CSV file a file with a HTML message including {{mustache}} tags a file with a Text message including {{mustache}} tags The senders eMail
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Application Migration vs. XPage enablement
Mon, Dec 1st 2014 5:12a   Stephan H Wissel
In a recent customer discussion a claim was made: "If Notes client application don't automagically can be converted into XPages applications, then we very well can migrate to another platform, it is just the same". An interesting claim, I'll subject it to a reality check. In any case it is a good idea to revisit your investment in your existing applications first. XPages Enablement A reasonable estimate for the required effort is up to 30% of the initial effort. It very much depends on the
11
Poking around the iNotes HTTP API (Part 3) - retrieve a message
Sun, Nov 30th 2014 9:15p   Stephan H Wissel
So far we learned about the URLs, how to retrieve the Outline that contains folders and views and how to utilize JavaScript to deal with an API tha hadn't been designed for language neutral access. This part will deal with the retrieval of messages. There are quite some formats, strategies and tweaks to consider: A message consists of headers (fields), and message parts that can be plain text, HTML, embedded images, attachments or other stuff (like the JSON used for embedded experiences). When
3
Poking around the iNotes HTTP API (Part 2) - Fun with Rhino
Thu, Nov 27th 2014 10:15a   Stephan H Wissel
The iNotes HTTP API wasn't designed for consumption outside the iNotes web client. This becomes apparent when looking at Form=l_GetOutline_JSON or Form=l_JSVars that return JavaScript and not JSON! The difference? JSON contains data only, while JavaScript contains function definitions too. To make use of data included in the JavaScript there are 2 possibilities: do some elaborate String operation actually run JavaScript Since Java 6, the JDK contains a JavaScript engine, that originally was de
7
Poking around the iNotes HTTP API (Part 1)
Mon, Nov 24th 2014 11:12a   Stephan H Wissel
With the rise of web applications, something interesting happened: applications gained an observable API. Delivered over HTTP(s) with a few commands (GET, POST etc.) it became easier to find out "what is going on". Tools like Wireshark, Fiddler, Charlesproxy or TCPMon sit between your HTTP consuming client and the HTTP generating server. In browser applications the build in developer tools (Ctrl-Shift-I) provide the same level of access. So anything flowing over HTTP is effectively an API. Th
8
Flashcards - German Version: Die Lernkartei
Sun, Nov 23rd 2014 6:12a   Stephan H Wissel
The offspring and SWMBO had an argument about the need for Chinese tuition when attending Singapore's oldest school. You can guess who had what position. Disecting the positions and looking at interest (you remember your basic negotiation skills, do you?) it boiled down to the wish of self directed learning vs. fear of failure. Having gone through both (I remember my Latin tuition teacher well. I loathed him and in return he pushed me within 6 month from F to A), I concluded: self direction ne
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Last usage of a mail file - for all users
Fri, Nov 21st 2014 8:18a   Stephan H Wissel
My admin is getting a little rusty. When I was asked: "How can I indentify a dormant mailbox?" I couldn't name a place in admin where to look. Of course, there is the NotesDatabase.LastModified property, but that would get updated on a design refresh too. So I asked innocently: "dormant, how?" After an amusing 2 hour discussion between the stake holders (only the popcorn was missing) we concluded that it is either No document has been created for a while (including incoming) No email has
6
Providing user information in JSON
Thu, Nov 20th 2014 5:12a   Stephan H Wissel
In the MUSE project we encountered the need to retrieve user information in JSON format. Easy done one would think. The trouble starts, when you have multiple directories and you need reasonable speed. Sometimes falling back to @Fomulas gives you what you need, fast and easy. @NameLookup knows where to look and you don't need any extra configuration. A simple call to an form will give you all you need: https://yourserver/somedb.nsf/namelookup?Readform for yourself or add &User=John Doe for
5
Building a shared approval frontend in XPages
Sun, Nov 16th 2014 8:18p   Stephan H Wissel
The saying goes: "God would not have been able to create the world in 7 days, if there would have been an installed base to take care of". As much as we wish to have divine powers, we need to make with less and look after an installed base. Point in case: You have a set of approval applications in classic Notes client code, like: Travel, Leave, Expenses, Gifts, Training, BoM changes etc. You are challenged to provide a web and/or mobile interface for them. Considering your options you have to
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Mustache Helper for Domino
Sun, Nov 16th 2014 10:18a   Stephan H Wissel
Previously we had a look, how to use Mustache with the CKEditor to have an editing environment for templates. I glossed over the part where to store and how to use these templates. Let me continue there. I'll store the template in Notes documents and use an application managed bean to transform a document (and later other things) using these templates. I have 2 use cases in mind: one is to allow the configuration of HTML notification messages in applications and the other to configure the dis
7
Karma and Wealth
Sat, Nov 15th 2014 11:19p   Stephan H Wissel
Karma has gotten some attention lately, while I muse it for some time. The common short explanation is "What goes around comes around" or in other words: "Every action (or inaction) you take has consequences, you ultimately will be confronted with". We are reminded by various spiritual traditions , that nothing good can come from a bad deed and that good deeds will yield (in mysterious ways, somewhen) good results. This is where the trouble starts. Our and the mystic perceptions what is "g
3
A peek in my JavaScript Toolbox
Fri, Nov 14th 2014 5:19a   Stephan H Wissel
Every craftsman has a toolbox, except developers: we have many. For every type of challenge we use a different box. Here's a peek into my web front-end programming collection. It works with any of your favorite backends. In no specific order: AngularJS one of the popular data binding frameworks, created by Google engineers. With a focus on extensibility, testability and clear seperation of concerns it allows to build clean MVC style applications Data Driven Documents short: D3JS. If anything n
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Custom experience for IBM Connections Cloud - Project Muse
Wed, Nov 12th 2014 8:19a   Stephan H Wissel
The old saying goes: "You can't have your cake and eat it too". When organisations move computing from servers they control into a SaaS (the artist formerly known as ASP) environment, they swap customisability for configurability and standardisation. The idea is, that a vendor controlled cloud environment benefits from both the economy of scale as well as the frequent updates the claimed DevOps model brings. But you can have both. One of IBM's best secret are the assets that the IBM Softwar
6
LifeBEAM helmet first impressions
Wed, Nov 5th 2014 10:12a   Stephan H Wissel
After quite a wait (they were sold out) my LifeBEAM helmet arrived today. The helmet is based on a Lazer design. Here are my unpacking impressions: There are no experiments on the box. Black always has been the new black.
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Enterprise architecture - from Silos to Layers
Wed, Nov 5th 2014 9:11a   Stephan H Wissel
In a recent discussion with a client the approaches and merits of Enterprise Architecture took center stage. IBM for a very long time proposed SOA (service oriented architecture) which today mostly gets implemented in a cloud stack. While it looks easy from high enough above, the devils is in the details. Mostly in the details how to get there. The client had an application landscape that was segmented along a full stack development platform with little or no interaction between the segments or
12
Custom REST service in XPages using a service bean
Wed, Oct 22nd 2014 6:11a   Stephan H Wissel
Talking to your backend using JSON and REST is all the rage for contemporary development. Domino has supported, at least reading, this access for quite a while using ?ReadViewEntries[&OutputFormat=JSON]. Using Domino Access Services (DAS) this has been extended to read/write support for documents as well. However, as a result, your front-end application now needs to deal with the Domino way to present data, especially the odd use of @ in JSON keys (which e.g. jquery isn't fond of).
5
Put an angular face on your inbox
Mon, Sep 29th 2014 9:12p   Stephan H Wissel
In the last instalment I got vert.x to emit a Notes view, read from your local mail file, to be emitted as JSON stream. While that might be perfectly fine for the inner geek, normal mortals want to look (and interact) with something more pretty. The cool kids on the block for web interfaces and applications are Twitter BootStrap and AngularJS, so these will be the tools in this instalment. Not familiar with them? Go and watch some videos. Back? Let's get going. Since I'm not much of a desig
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Rendering a Notes view as JSON REST service - on your client
Thu, Sep 25th 2014 11:13a   Stephan H Wissel
My next goal after getting the basic connection to Notes working is to be able to serve a potential API. Still making friends with the non-blocking approach of vert.x, I'm taking baby steps forward. In this round I want to be able to deliver a view or folder as JSON string. On a Domino server that is easy. You can use ?ReadViewEntries&OutputFormat=JSON. On a Notes client you have to do it yourself. In round one I will ignore categorized views (that's for the next time), but I already will
5
Keeping up with all the GIT
Thu, Sep 25th 2014 6:13a   Stephan H Wissel
Unless you stuck in the last century, you might have noticed, that the gold standard for version control is GIT. Atlassian likes it, IBM DevOps supports it and of course the Linux Kernel is build with it. The prime destination for opensource projects is GitHub, with BitBucket coming in strong too. Getting the code of a project you work with (and I bet you do - jquery anyone) is just a git clone away. Of course that opens the challenge to keep up with all the changes and updates. While in the pr
4
Collaboration in context
Wed, Sep 24th 2014 10:12a   Stephan H Wissel
Harry, a storm is coming, at least if you follow Cary Youman. Nothing less that the way we collaborate will be, again, a focus for IBM. The need has not found a definite solution. The attempt to reinvent eMail is starving in the incubator. Great minds try to reinvent the conversation (and looks suspiciously like Wave). So what is so tricky about collaboration? In short it is context, the famous 5 W. In our hyperconnected world context can get big rather fast:
5
Creating nginx configurations for Domino SSL
Sat, Sep 20th 2014 1:12p   Stephan H Wissel
Websites need to be secure, so the SHA-1 cipher is coming to an end. Despite best efforts, Domino is stuck with this outdated Cipher. While you can, on Windows, hide Domino behind IHS, I find nginx easier to tame. Jesse explains how to configure nginx as the Domino proxy. So all is good, expecially since he also covered High availability. But when you have a lot of sites, that's a lot of typing (and copy & paste from the Internet site documents). Mustache to the rescue! I've written abou
4
Tracking down slow internet on SingTel Fibre to the home
Tue, Sep 16th 2014 8:12p   Stephan H Wissel
SingTel makes big claims about the beauty of their fibre offering. I do not experience the claimed benefits. So I'm starting to track down what is happening. Interestingly when you visit SpeedTest, it shows fantastic results. I smell rat. So I ran a test with Pocketinet in Walla Walla, WA. SpeedTest claims a 5ms ping response, but when I, immediate before or after such a test, issue a ping -c5 www.pocketinet.com I get results rather in the range of 200-230ms. Ein Schelm wer böses dab
7
Foundation of Software Development
Fri, Sep 12th 2014 6:13a   Stephan H Wissel
When you learn cooking, there are a few basic skills that need to be in place before you can get started: cutting, measuring, stiring and understanding of temperature's impact on food items. These skills are independent from what you want to cook: western, Chinese, Indian, Korean or Space Food. The same applies to software development. Interestingly we try to delegate these skills to ui designers, architects, project managers analyst or infrastructure owners. To be a good developer, you don't
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Flow, Rules, Complexity and Simplicity in Workflow
Wed, Sep 3rd 2014 6:13a   Stephan H Wissel
When I make the claim "Most workflows are simple", in return I'm hit with bewildered looks and the assertion: "No, ours are quite complex". My little provocation is quite deliberate, since it serves as an opening gambit to discuss the relation between flow, rules and lookups. All workflows begin rather simple. I'll take a travel approval workflow as a sample (resemblance of workflows of existing companies would be pure coincidence). The explanation is simple: "You request approval from
5
Rethinking the MimeDocument data source
Mon, Sep 1st 2014 12:13p   Stephan H Wissel
Tim (we miss you) and Jesse had the idea to store beans in Mime documents, which became an OpenNTF project. I love that idea and was musing how to make it more "domino like". In its binary format, a serialized bean can't be used for showing view data, nor can one be sure that it can be transported or deserialized other than through the same class version as the creator (this is why Serialized wants to have a serialid). With a little extra work, that becomes actually quite easy: Enter JAXB.
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Bikepad SmartPhone mount review
Mon, Sep 1st 2014 10:12a   Stephan H Wissel
This is my field impression of the Bikepad SmartPhone mount having used it for a few weeks on my Montague Paratrooper pro TL:TRThe Bikepad is a highly functional accessory to keep your phone on your bike fully functional. Is has quality craftsmanship and a sleek design. If I had an editor-refuses-to-give-it-back award to give (I actually paid for it), I would award it. I do cycle for longer durations and some rough spots, so I like to keep a phone in reach. Not at last to keep SWMBO updated.
6
Long Term Storage and Retention
Thu, Aug 14th 2014 6:14a   Stephan H Wissel
Not just since Einstein time is relative. For a human brain anything above 3 seconds is long term. In IT this is a little more complex. Once a work artefact is completed, it runs through a legal vetting and it either goes to medium or long term storage. I'll explain the difference in a second. This logical flow manifests itself in multiple ways in concrete implementations: Journaling (both eMail and databases), archival, backups, write-once copies. Quite often all artifacts go to medium term
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Time stamped encrypted archives
Wed, Aug 13th 2014 9:12a   Stephan H Wissel
Developers use Version Control, business users Document management and consultants ZIP files. From time to time I feel the need to safeguard a snapshot in time outside the machine I'm working with. Since "storage out of my control" isn't trustworthy, I encrypt data. This is the script I use: #!/bin/bash ############################################################################ # Saves the given directory (%1) in an SSL encrypted zip file (%2) within # the personalFiles folder. The name
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Designing a REST API for eMail
Sat, Aug 9th 2014 11:12a   Stephan H Wissel
Unencumbered by standards designed by committees I'm musing how a REST API would look like. A REST API consists of 3 parts: the URI (~ URL for browser access), the verb and the payload. Since I'm looking at browser only access, the structured data payload format clearly will be JSON with the prose payload delivered in MIME format. I will worry about calendar and social data later on. The verbs in REST are defined by the HTTP standard: , PUT, and DELETE. My base url would be http://localhost
4
Running vert.x with the OpenNTF Domino API
Wed, Aug 6th 2014 1:11p   Stephan H Wissel
In the first part I got vert.x 3.0 running with my local Notes client. The mastered challenges there were 32 Bit Java for the Notes client and the usual adjustment for the path variables. The adoption of the OpenNTF Domino API required a few steps more: Set 2 evironment variables: DYLD_LIBRARY_PATH=/opt/ibm/notes LD_LIBRARY_PATH=/opt/ibm/notes Add the following parameter to your Java command line: -Dnotes.binary=/opt/ibm/notes -Duser.dir=/home/stw/lotus/notes/data -Djava.library.path=/opt/ib
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Workflow for beginners, Standards, Concepts and Confusion
Thu, Jul 24th 2014 10:12a   Stephan H Wissel
The nature of collaboration is the flow of information. So naturally I get asked about Workflows and its incarnation in IT systems a lot. Many of the question point to a fundamental confusion what Worflow is, and what it isn't. This entry will attempt to clarify concepts and terminology Wikipedia sums it up nicely: "A workflow consists of an orchestrated and repeatable pattern of business activity enabled by the systematic organization of resources into processes that transform materials, pro
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Warriors of Light
Sun, Jul 20th 2014 11:15a   Stephan H Wissel
Inspired by Paulo Coelho's manual for the Warrior of the Light: Warriors of Light We were born from the stars Descended from the heavens Armed with compassion Determined to end the suffering Subjected to the human condition Battling ignorance with wisdom Laying our lives for the liberation from illusion When you look in the mirror - remember! You are one of us.
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Adventures with vert.x, 64Bit and the IBM Notes client
Thu, Jul 17th 2014 8:12a   Stephan H Wissel
The rising star of web servers currently is node.js, not at least due to the cambrian explosion in available packages with a clever package management system and the fact that "Any application that can be written in JavaScript, will eventually be written in JavaScript" (according to Jeff Atwood). When talking to IBM Domino or IBM Connections node.js allows for very elegant solutions using the REST APIs. However when talking to a IBM Notes client, it can't do much since an external program ne
4
Cycle where?
Sun, Jul 13th 2014 1:12p   Stephan H Wissel
I like to cycle, I do that often and from time to time I have fun with traffic participants. One of the interesting challenges are multi-lane crossings (note to my overseas readers: Singapore follows the British system of driving on the left, so cyclists are supposed to cycle on the left edge of the road - which makes me edgy in some situations. So for right driving countries, just flip the pictures) where the outer lane allows more than one direction. Like these: Road rules do require the
6
From XML to JSON and back
Fri, Jul 11th 2014 8:12p   Stephan H Wissel
In the beginning there was csv and the world of application neutral (almost) human readable data formats was good. Then unrest grew and the demand for more structure and contextual information grew. This gave birth to SGML (1986), adopted only by a few initiated. Only more than a decade later (1998) SGML's offspring XML took centre stage. With broad support for schemas, transformation and tooling the de facto standard for application neutral (almost) human readable data formats was established
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The folly of root cause analysis
Wed, Jul 9th 2014 6:12a   Stephan H Wissel
IT support's dealing with management is a funny business. Whenever something goes wrong, support teams engage in "defensive blaming" and the elusive quest for a root cause. I've seen this quest (and blaming god and country along the way if it doesn't appear) taking priority over problem resolution and prevention. The twisted thought is: "If I'm not sure about the (single) root cause, I can't neither fix nor prevent it from happening again". Why is that a folly? It paralyses: If a pe
9
Documents vs eMails
Fri, Jul 4th 2014 6:14a   Stephan H Wissel
With a public sector customer I had an interesting discussion on non-repudiation, messaging and regulatory control. We were discussing how to ensure awareness of information that has behavioural or legal consequences. While "I didn't know" is hardly a viable defence, relying on the other party to keep themselves updated is just asking for trouble. In a collaborative environment, where a regulator sees itself primarily as the facilitator of orderly conduct and only as policing the conduct as s
5
The taxi loyalty program isn't working and how to fix it
Mon, Jun 16th 2014 10:11a   Stephan H Wissel
Singapore is a little like New York: train and taxis are a mainstay of the daily commute. So the taxi market is highly regulated and fiercely competitive. As no surprise taxi companies try to bind customers before they loyalty switches to alternative bookings or the disruptors. So Comfort & CityCab started CabRewards. After all loyalty cards work well for their inventor. In a smart move, instead of creating a new piece of plastic, Comfort teamed up with ezLink Singapore's leading provider




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