tag:blogger.com,1999:blog-8347139Sun, 01 Sep 2024 14:33:13 +0000ArchitectureEMREPICHL7Web2.0best practicesprofile.net.net 2.0153064 bitApplication ChecklistCCDCCRCDSSCardiologyDevice IntegrationEKGGlucometersHIPAAHealthcareIISInjectionInternationalizationMaintainanceMashupsMedical softwareNursingOncologyOptimizeOximetersPACSRISROIRadiologySSOUltrasoundVentilatorsWorkflowasapasp.netbandwidthchecklistcode reviewdatabasedelleHealthembeddedenterpriseerderror handlingfedoraflashframeworkknoppixlinuxlive cdlive flashlive usblivecdlocalizationmemory optimizationmigrationnvidiaopensuseparallel ospclinuxpclinuxosperformanceportableprogrammingrecoverysecurityskinssql serverstatisticsswftransactionubuntuvistavs 2005vs.netwindowsxpsAll about technology and cool stuff.http://charlesvaz.blogspot.com/noreply@blogger.com (Charles Vaz)Blogger39125tag:blogger.com,1999:blog-8347139.post-4593636156797359157Sat, 23 Jun 2007 06:08:00 +00002020-08-06T17:52:17.621-07:00CardiologyCCDCCRCDSSDevice IntegrationEKGEMREPICGlucometersHIPAAHL7NursingOncologyOximetersPACSRadiologyRISUltrasoundVentilators Biomedical/Bedside/ICU Device Integration In the words of the guru Tim Gee - Medical Connectivity Consulting "Medical device integration is a critical (and an often overlooked) part of EMR planning. To be successful, any plan must take into account many more considerations beyond getting an HL7 (or CCR) feed into the EMR. Multiple stakeholders including nursing and clinical/biomedical http://charlesvaz.blogspot.com/2007/06/emr-and-device-integration.htmlnoreply@blogger.com (Charles Vaz)0tag:blogger.com,1999:blog-8347139.post-115948772463572871Thu, 28 Sep 2006 23:54:00 +00002017-10-31T14:34:48.472-07:00ArchitectureeHealthEMREPICHealthcareHL7MashupsMedical softwareROISSOWeb2.0Workflow Well, we work in the next era of software development, not only designing applications, but also developing systems that communicate with each other, thus participating in a workflow. Automating this workflow through the seamless integration of these apps is a task that challenges many of the industries that we work in. Automated Workflow Environments are those systems where multiple systems http://charlesvaz.blogspot.com/2006/09/automated-workflow-environments.htmlnoreply@blogger.com (Charles Vaz)4tag:blogger.com,1999:blog-8347139.post-115863629730257072Tue, 19 Sep 2006 03:16:00 +00002010-08-10T13:49:11.512-07:00153064 bitdellfedoraknoppixlinuxlive cdlive flashlive usblivecdnvidiaopensuseparallel ospclinuxpclinuxosrecoveryubuntuvistawindowsxpsNot yet tired of windows? Well, read on to find out the next gen O/S out there with easy in-place upgrades... * New capabilities - create a custom remastered Live CD/DVD/USB/SD and boot from a USB storage device (flash, SD, hard drive, etc). And, with Ubuntu 9.10, OpenSuse 11.2 and Fedora 10 - create a custom Live 64 bit linux CD/DVD/USB using remastersys or makeSusedvd or revisor . Let’s see http://charlesvaz.blogspot.com/2006/09/is-it-knoppix-time.htmlnoreply@blogger.com (Charles Vaz)7tag:blogger.com,1999:blog-8347139.post-114007110811732392Thu, 16 Feb 2006 06:24:00 +00002007-04-22T20:36:17.652-07:00code reviewerror handlingprogrammingFollowing is a check list I refer to often which catches many issues often:1. No errors should occur when building the source code. No warnings should be introduced by changes made to the code. Also, any warnings during the build should be within acceptable boundaries with good reasoning.2. Each source file should start with an appropriate header and copyright information. All source files shouldhttp://charlesvaz.blogspot.com/2006/02/code-review-checklist.htmlnoreply@blogger.com (Charles Vaz)0tag:blogger.com,1999:blog-8347139.post-112987088779697712Fri, 21 Oct 2005 04:53:00 +00002007-04-24T02:14:55.056-07:00.net 2.0asp.netframeworkIISmigrationvs 2005vs.netHere are my investigations based on MSDN and a running site at Microsoft since Aug 2005 with better performance than before:· Because of the way that the .NET Framework is designed, you can deploy the 2.0 framework without disrupting a current installation of the 1.0 or 1.1 frameworks.To configure a 1.x application's script map to use the .NET Framework version 2.0On the Start menu, click Run.In http://charlesvaz.blogspot.com/2005/10/migrating-to-aspnet-20-its-backward.htmlnoreply@blogger.com (Charles Vaz)0tag:blogger.com,1999:blog-8347139.post-112660549894428560Tue, 13 Sep 2005 09:55:00 +00002007-04-22T20:41:01.079-07:00bandwidthembeddedflashportableskinsswfWeb2.0PORTABLE APPLICATIONS: * Flash MX ActionScript allows you to create Flash movies that are "device aware."BANDWIDTH-SENSITIVE APPLICATIONS: * One of the long-standing benefits of using Flash movies for Web content is the fact that SWF files can be incredibly small.CUSTOM MEDIA PLAYERS: * With the new capabilities, you can effectively create stand-alone media players using a Flash movie as the "http://charlesvaz.blogspot.com/2005/09/create-rich-internet-apps-with.htmlnoreply@blogger.com (Charles Vaz)0tag:blogger.com,1999:blog-8347139.post-112264119957454696Fri, 29 Jul 2005 12:22:00 +00002007-09-06T11:10:23.180-07:00Application Checklistbest practiceschecklistdatabaseerdInjectionInternationalizationlocalizationMaintainanceOptimizeprofilesecuritysql serverstatisticstransactionAlways create a data model (ERD).Consider using an application block or a best practice based design.Make sure the database is normalized - very important else sql server will not give optimized query plans (Tips for SQL Server 2005 Query Plans) . For the 1 to many (1:m OR m:1) relation, -> ensure that the child table's primary key has one of its composite keys as the parent table's primary key. http://charlesvaz.blogspot.com/2005/07/simple-sql-server-performance-tips.htmlnoreply@blogger.com (Charles Vaz)0tag:blogger.com,1999:blog-8347139.post-110629921641846550Fri, 21 Jan 2005 09:18:00 +00002007-04-24T02:22:29.907-07:00One of the most awaited features of Microsoft .NET 2.0 is generics. Starting with VS 2005, C#, Managed C++, and VB will have CLR support for generics.Generics promise to increase type safety, improve performance, reduce code duplication(code reuse) and eliminate unnessecary casts(boxing). The most obvious application of generics in the framework class library are the generic collections in the http://charlesvaz.blogspot.com/2005/01/net-20-generics-samples-performance.htmlnoreply@blogger.com (Charles Vaz)0tag:blogger.com,1999:blog-8347139.post-110595986272467470Mon, 17 Jan 2005 10:53:00 +00002007-04-22T20:49:55.186-07:00.netArchitecturebest practicesmemory optimizationperformanceprofileHi,Now that you have finished your .NET Application, the memory bogs you down?Limiting memory usage of .NET applications is a requirement that often arises in programs that allocate and use large amounts of memory. The garbage collected environment that the CLR offers means that memory that is used to perform some calculation then discarded is not immediately collected once it is no longer neededhttp://charlesvaz.blogspot.com/2005/01/net-memory-and-performance-improvement.htmlnoreply@blogger.com (Charles Vaz)0tag:blogger.com,1999:blog-8347139.post-110335281050698880Sat, 18 Dec 2004 07:50:00 +00002006-02-08T12:54:06.766-08:00Hi, .NET Remoting is gaining a lot of importance so here's some good links http://www.c-sharpcorner.com/Remoting.asp http://www.thinktecture.com/resources/articles/default.html http://www.thinktecture.com/Resources/ArchitectureBriefings/RemotingBestPractices.pdf Thanks to the authors for this info. http://charlesvaz.blogspot.com/2004/12/net-remoting_18.htmlnoreply@blogger.com (Charles Vaz)0tag:blogger.com,1999:blog-8347139.post-110294143949818889Mon, 13 Dec 2004 12:35:00 +00002004-12-13T04:39:02.726-08:00UML is a modeling language for specifying, visualizing, constructing, and documenting the artifacts of a system-intensive process http://www.agilemodeling.com/essays/umlDiagrams.htm http://www.dotnetcoders.com/web/learning/uml/default.aspx Thanks to the authors for a nice site on UML. http://charlesvaz.blogspot.com/2004/12/uml-20.htmlnoreply@blogger.com (Charles Vaz)0tag:blogger.com,1999:blog-8347139.post-110077580317985139Thu, 18 Nov 2004 11:01:00 +00002004-11-18T03:03:23.180-08:00Event logging pre-.NET When you access the event log using the standard NT API calls, the system stores a structure that contains (amongst other things) the message ID and any replacement strings ("inserts") for the message -- but it does not store the message text itself. Reading from the log When you read an entry from an event log, the system reads the stored message ID and replacement stringshttp://charlesvaz.blogspot.com/2004/11/windowsnet-event-logging-with.htmlnoreply@blogger.com (Charles Vaz)0tag:blogger.com,1999:blog-8347139.post-110077538504184955Thu, 18 Nov 2004 10:49:00 +00002004-11-23T03:11:00.673-08:00This interesting problem occurs only when there is a call to update after the insert and the @@IDENTITY value has to be locked, so there is a deadlock trying to get a hold of this value. CREATE TABLE [test] ( [a] [int] IDENTITY (1, 1) NOT NULL , [b] [varchar] (10) NULL , [c] [int] NULL , CONSTRAINT [PK__test] PRIMARY KEY CLUSTERED ( [a] ) ) GO Here [a] and [c] have to have the same value. So, http://charlesvaz.blogspot.com/2004/11/sql-server-identity-deadlock-problem.htmlnoreply@blogger.com (Charles Vaz)0tag:blogger.com,1999:blog-8347139.post-109783469901265285Fri, 15 Oct 2004 09:55:00 +00002004-10-15T03:04:59.013-07:00Sqldiag - Sqldiag is a utility used for report generation and collection of diagnostic information on database server / operating system configuration parameters. Sqldiag gathers the information, even if Microsoft SQL Server 2000 services are stopped. The report generated by Sqldiag contains the following information: Complete dump of all SQL Server error logs; Registry information, related to http://charlesvaz.blogspot.com/2004/10/cool-ms-sql-server-tools.htmlnoreply@blogger.com (Charles Vaz)1tag:blogger.com,1999:blog-8347139.post-109766641469575771Wed, 13 Oct 2004 11:09:00 +00002004-10-13T04:29:22.286-07:00Here, a MSDE database is dropped, attached, and a user is given rights on the db With minor changes to the osql parameters a Server name can be provided and this script will work for an SQL 2000 database. --drop old db osql -E -S -Q "DROP DATABASE [dbname]" --copy the mdf to the target loc copy "c:\installtemp\dbname*.?df" "C:\program Files\Microsoft SQL Server\MSSQL\Data" --make sure the db http://charlesvaz.blogspot.com/2004/10/simple-sql-servermsde-database.htmlnoreply@blogger.com (Charles Vaz)1tag:blogger.com,1999:blog-8347139.post-109721662369662728Fri, 08 Oct 2004 06:04:00 +00002004-10-07T23:27:28.780-07:00SQL Server 2000 only works on Windows-based platforms, including Windows 9x, Windows NT, Windows 2000 and Windows CE. In comparison with SQL Server 2000, Oracle 9i Database supports all known platforms, including Windows-based platforms, AIX-Based Systems, Compaq Tru64 UNIX, HP 9000 Series HP-UX, Linux Intel, Sun Solaris and so on. Sometimes there is the migration issue, so here goes... There http://charlesvaz.blogspot.com/2004/10/migrating-oracle-databases-to-sql.htmlnoreply@blogger.com (Charles Vaz)0tag:blogger.com,1999:blog-8347139.post-109715367135540438Thu, 07 Oct 2004 12:48:00 +00002004-10-07T05:54:31.356-07:00The template and details are at: http://www.cs.ubc.ca/~gregor/teaching/papers/4+1view-architecture.pdf "To describe a software architecture, we use a model composed of multiple views or perspectives. In order to eventually address large and challenging architectures, the model we propose is made up of five main views The logical view, which is the object model of the design (when an http://charlesvaz.blogspot.com/2004/10/should-41views-based-architecture-be_07.htmlnoreply@blogger.com (Charles Vaz)0tag:blogger.com,1999:blog-8347139.post-109704069720681894Wed, 06 Oct 2004 05:23:00 +00002004-10-05T22:37:27.073-07:00Hi there, Been busy with lots of work with .NET Remoting Performance Testing and stuff. Found something interesting so here goes. There's a nice easy way to test your IIS6 - SSL performance, install the free SelfSSL Certificate(SelfSSL Version 1.0) from the IIS Resource Kit (http://www.microsoft.com/downloads/details.aspx?FamilyID=56fc92ee-a71a-4c73-b628-ade629c89499&displaylang=en) . Its http://charlesvaz.blogspot.com/2004/10/testing-ssl-on-win-server-2003iis6.htmlnoreply@blogger.com (Charles Vaz)0tag:blogger.com,1999:blog-8347139.post-109654345218829989Thu, 30 Sep 2004 11:17:00 +00002004-09-30T04:31:03.130-07:00Think you know all the patterns in Unit Testing, think again, here are the various Unit Testing Patterns. Unit Testing Patterns Pass/Fail Patterns The Simple-Test Pattern The Code-Path Pattern The Parameter-Range Pattern Data Driven Test Patterns The Simple-Test-Data Pattern The Data-Transformation-Test Pattern Data Transaction Patterns The Simple-Data-I/O Patternhttp://charlesvaz.blogspot.com/2004/09/nice-article-on-unit-test-patterns.htmlnoreply@blogger.com (Charles Vaz)0tag:blogger.com,1999:blog-8347139.post-109618617356792106Sun, 26 Sep 2004 08:14:00 +00002004-09-29T07:42:04.540-07:00Many a time we face this problem of updating the UI while the worker/IO thread is still performing some time consuming background action, fetching results and trying to change the UI while the UI also needs to be "freeze-free" and responsive to a user. Sometimes the UI also needs to support a "Cancel/Close" operation. There are various solutions to this problem in .NET Winforms -- the most http://charlesvaz.blogspot.com/2004/09/net-solution-pattern-for-long-running.htmlnoreply@blogger.com (Charles Vaz)0tag:blogger.com,1999:blog-8347139.post-109601971175587230Fri, 24 Sep 2004 08:39:00 +00002004-09-24T02:59:47.936-07:00NUnit is a open-source unit-testing framework for all .Net languages. NUnit has two different ways to run your tests :- The console runner, nunit-console.exe, is the fastest to launch, but is not interactive. The gui runner, nunit-gui.exe, is a Windows Forms application that allows you to work selectively with your tests and provides graphical feedback.Sample:-Here's the way to write a test for http://charlesvaz.blogspot.com/2004/09/nunit-simple-attribute-based-unit.htmlnoreply@blogger.com (Charles Vaz)0tag:blogger.com,1999:blog-8347139.post-109592912760441718Thu, 23 Sep 2004 08:32:00 +00002004-09-24T00:20:26.286-07:00"CCOW - Clinical Context Object Workgroup - is a vendor independent standard developed by the HL7 organization to allow clinical applications to share information at the point of care. CCOW enables the visual integration of disparate healthcare applications. "Basically a "context management", software integration application. Specifically, CCOW defines a protocol for securely linking applicationshttp://charlesvaz.blogspot.com/2004/09/ccow.htmlnoreply@blogger.com (Charles Vaz)0tag:blogger.com,1999:blog-8347139.post-109583293237431135Wed, 22 Sep 2004 05:04:00 +00002004-09-21T23:08:33.563-07:00Microsoft Windows Management Instrumentation (WMI) technology support for Simple Network Management Protocol (SNMP). WMI is used to represent management objects in Windows-based management environments. The WMI scripting interface also provides scripting support.The WMI technology also provides:Access to monitor, command, and control any managed object through a common, unifying set of http://charlesvaz.blogspot.com/2004/09/wmi-and-snmp.htmlnoreply@blogger.com (Charles Vaz)0tag:blogger.com,1999:blog-8347139.post-109575261996685647Tue, 21 Sep 2004 07:42:00 +00002004-09-21T00:43:39.966-07:00http://msdn.microsoft.com/msdnmag/issues/04/10/CuttingEdge/default.aspxhttp://charlesvaz.blogspot.com/2004/09/datasets-performance-optimization-with.htmlnoreply@blogger.com (Charles Vaz)0tag:blogger.com,1999:blog-8347139.post-109574546276032420Tue, 21 Sep 2004 05:31:00 +00002004-09-20T23:41:41.620-07:00      DICOM is Digital Imaging and Communications in Medicine and is a standard mainly used to distribute and view medical image files such as X-Rays, CT scans, MRIs, and ultrasound images.       We are all used to the XRay film sheets we get from a hospital when we go in for a scan. Very cumbesome, difficult to archive, there are http://charlesvaz.blogspot.com/2004/09/what-is-dicom-and-why-dicom.htmlnoreply@blogger.com (Charles Vaz)0