Custom Application Development:

Updating Legacy Systems

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May 20, 2009  1:39 PM

Application Cost Estimating



Posted by: SJC
cost estimating, estimating application cost, Independent software developer, Updating Legacy Systems

When I first posted "Cost Estimating Rewrite of Legacy Applications" I had not planned that it would turn into a series of posts such as it has.    What I found is...

May 17, 2009  5:55 AM

Comments on Cost Estimating (Continued)



Posted by: SJC
cost estimating, estimating application cost, Independent software developer, Updating Legacy Systems

I seemed to have a lot to comment on in my last post, and decided it was best to have another post which continued my comments from my list of considerations for legacy application rewrites, so I continue my comments in this post. Myself, very early on in the review of a potential project I like...


May 13, 2009  4:00 PM

Comments on Application Cost Estimating



Posted by: SJC
cost estimating, estimating application cost, Independent software developer, Updating Legacy Systems

In my previous post "Cost Estimating Ideas for Legacy Application Rewrites" I provided a list of considerations for preparing estimates for legacy application rewrites.  This post is a follow-up to that post where I will add comments to some of the considerations listed in that...


May 11, 2009  5:55 AM

Cost Estimating Ideas for the Legacy Application Rewrite



Posted by: SJC
Application design, cost estimating, estimating application cost, Independent software developer, Updating Legacy Systems

I promised in my last post "Cost Estimating Rewrite of Legacy Applications" that I would be producing a list of considerations for preparing estimates for legacy application rewrites -...


May 9, 2009  11:28 AM

Cost Estimating Rewrite of Legacy Applications



Posted by: SJC
cost estimating, estimating application cost, Independent software developer, Updating Legacy Systems

I have always found estimating a project to be a challenge.  Back in my early days as an independent developer I quickly learned that I had a tendency to under-estimate the time a project would take.  My error would more often than not be in accounting for the time it takes to "polish" the...


April 21, 2009  10:25 PM

Legacy Application to Windows – Challenge of design



Posted by: SJC
Application design, Human Interface Design, Legacy Applications, software development, Software Development Methodologies, Updating Legacy Systems, User Experience

I've discovered the greatest challenge of my application programming and design career,  (Hopefully I haven't met my match!).  My latest project involves a rather large legacy character-based system which has evolved over the past 20 years or so.  The source code directory lists some 800+ pieces...


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