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Monthly Archives: July 2015

MWLUG schedule now available!

Posted on July 25, 2015 by Karl-Henry Martinsson Posted in Community, IBM/Lotus, MWLUG, Programming Leave a comment

The session schedule for MWLUG in Atlanta is now online. The conference is less than 4 weeks, and there is a very strong lineup of speakers. Many have been presenting in the Best Practices track at Lotussphere fo years, and this conference is well worth attending. The cost is only $50, and there are still inexpensive flights left. Registration is still open, as I write this.

I will present my session AD102 Break out of the box – Integrate existing Domino data with modern websites on Wednesday afternoon, starting at 4.30pm. Hope to see you in Atlanta!

Microsoft releases Visual Studio 2015

Posted on July 20, 2015 by Karl-Henry Martinsson Posted in .NET, Bootstrap, C#, jQuery, Microsoft, Programming, Visual Studio, Web Development Leave a comment

Microsoft today released the latest version of their development environment Visual Studio. There are even free versions, including the complete IDE Visual Studio Community and the code editor Visual Studio Code (available for Widnows, Linux and OSX).

Visual Studio now includes even more tools for cross platform mobile development for iOS  and Android. There is even an Android emulator included. The web development part supports tools and frameworks like Angular, Bootstrap, jQuery, Backbone and Django.

And naturally the IDE also supports Windows, including Windows 10 (expected to be released at the end of the month).

I have been using tools in the Visual Studio family for many years, I started with a beta of Visual Basic 1.0 a long time ago, and used all version up to and including VB 6.0. I also played around some with Visual C++ and even Visual J++. After that I focused mainly on Lotus Notes development, but recently I have started some C#/.NET projects at work using Visual Studio Community 2013.

Video from David Leedy about MWLUG

Posted on July 16, 2015 by Karl-Henry Martinsson Posted in Community, IBM/Lotus, MWLUG Leave a comment

David Leedy from Notes-in-9 just posted a video where he talks about the upcoming MWLUG conference in Atlanta in just over a month. As I wrote the other day, I will be speaking there. David is actually mentioning me and my session, and I am humbled by his nice words.

Hope to see you in Atlanta!

MWLUG in Atlanta – I will be presenting!

Posted on July 4, 2015 by Karl-Henry Martinsson Posted in Bootstrap, Community, IBM/Lotus, jQuery, Lotusscript, MWLUG, Web Development 1 Comment

It is less than 7 weeks left until MWLUG, the Midwest Lotus User Group conference. This year the conference takes place in Atlanta, between August 19 and 21. During the three days there will be over 40 technical session and workshops on collaboration, receptions and networking opportunities, as well as access to experts of IBM solutions, both from IBM and other companies. The topics includes application development, system administration, best practices, customer buisness cases and innovation/future plans by IBM. Breakfast and lunch is included for two days as well. And all this for the cost of only $50 per person! The event takes place at Ritz-Carlton in downtown Atlanta. There is a block of rooms reserved at a special conference rate of $149.00 per night.

One of the sessions will also mark my personal debute as a speaker at a conference. I will present “Break out of the box – Integrate existing Domino data with modern websites” where I will talk about how to integrate websites built either within Domino or on other platforms with backend data that resides in a Domino database. I will talk about how you can build a modern looking website using tools like jQuery and Bootstrap and seamlessly integrate them with existing data on your trusty Domino server using JSON and Ajax. I will also provide plenty of example code ready for you to bring home and start playing with.

A number of IBM Champions will be presenting, as well as IBMers and other industry experts. So no matter your interest, I am sure you will find plenty of good sessions. I am sure I will have a hard time picking which sessions to attend!

So what are you waiting for? Go to http://www.mwlug.com and register! See you there!

 

Code – Get date range as years, months and days

Posted on July 4, 2015 by Karl-Henry Martinsson Posted in IBM/Lotus, Lotusscript, Programming 1 Comment

There is a question in the IBM DeveloperWorks forum for Notes/Domino 8 about how to calculate the number of years, months and days between two dates. Then the poster wanted to calculate the sum of two such date ranges and return that as years, months and days as well.

Since the lack of formatting in the forum makes it hard to read the code, I decided to simply post it here on my blog. As always, there are several ways to write the code. One could for example use Mod (a very under-used function that many developers don’t even know about) to help calculate the number of years, months and days.

I also include a function I use to calculate the number of business days between two dates. This could be used to calculate how long a ticket has been open in a help desk system, where you usually don’t want to include Saturday and Sunday in the count.
Simply change diffOne = Days(startDate,endDate) to diffOne = BusinessDays(startDate,endDate).

Enjoy!

Option Public
Option Declare

Type Components
	yearCount As Integer
	monthCount As Integer
	dayCount As Integer	
End Type

Sub Initialize
	'*** Declare variable for componentized date 
	Dim compOne As Components
	Dim compTwo As Components
	Dim compSum As Components
	'*** Declare variables for day difference count
	Dim diffOne As Integer
	Dim diffTwo As Integer 
	'*** Declare start and end date variables
	Dim startDate As String
	Dim endDate As String
	
	'*** First date range
	startDate = "01/01/2011"
	endDate = "03/02/2013"
	diffOne = Days(startDate,endDate)
	Call DayCountToComponents(diffOne, compOne)
	MsgBox compOne.yearCount & " years " & _
	compOne.monthCount & " months " & compOne.dayCount & " days"
	
	'*** Second date range	
	startDate = "04/03/2012"
	endDate = "08/17/2015"
	diffTwo = Days(startDate,endDate)
	Call DayCountToComponents(diffTwo, compTwo)
	MsgBox compTwo.yearCount & " years " & _
	compTwo.monthCount & " months " & compTwo.dayCount & " days"
	
	'*** Sum of first and second date range
	Call DayCountToComponents(diffOne + diffTwo, compSum)
	MsgBox compSum.yearCount & " years " & _
	compSum.monthCount & " months " & compSum.dayCount & " days"
End Sub


%REM
	Function DayCountToComponents
	Description: Convert day count to years, month and days
%END REM
Function DayCountToComponents(dayCount As Integer,components As Components) As Boolean
	Dim daysLeft As Integer
	On Error GoTo errHandler
	components.yearCount = Int(dayCount/365)
	daysLeft = dayCount - components.yearCount * 365
	components.monthCount = Int(daysLeft/30)
	daysLeft = dayCount - (components.yearCount * 365) - (components.monthCount * 30) 
	components.dayCount = daysLeft
	'*** Return
	DayCountToComponents = True
exitFunction:
	Exit Function
errHandler:
	DayCountToComponents = True
	Resume exitFunction	
End Function

%REM
	Function Days
	Description: Get the number of days between two dates
%END REM
Function Days(startDate As Variant,endDate As Variant) As Integer
	Days = Int(CDbl(CDat(endDate))-CDbl(CDat(startDate)))
End Function

%REM
	Function BusinessDays
	Description: Get the number of business days (Monday-Friday) between two dates
%END REM
Function BusinessDays(startDate As Variant,endDate As Variant) As Integer
	Dim startDT As NotesDateTime
	Dim endDT As NotesDateTime
	Dim cnt As Integer 
	On Error GoTo errHandler
	Set startDT = New NotesDateTime(startDate)
	Set endDT = New NotesDateTime(endDate)
	cnt = 0
	Do Until CDbl(startDT.Lslocaltime) > CDbl(endDT.Lslocaltime)
		If Weekday(startDT.Lslocaltime)<7 Then
			If Weekday(startDT.Lslocaltime)>1 Then
				cnt = cnt + 1
			End If	
		End If
		Call startDT.Adjustday(1, True)  
	Loop 
	BusinessDays = cnt
exitFunction:
	Exit Function
errHandler:
	BusinessDays = 0
	Resume exitFunction	
End Function

 

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