June 2004 - Posts

foreach and performance rules
30 June 04 12:14 PM | ricom | 3 Comments   

I was looking at Brad’s blog this morning and I was astounded to find that some people had chosen not to use foreach “Because Rico said so” though they probably didn’t use those exact words. I found that very troublesome for several Read More...

Filed under: performance, design advice

Performance Quiz #3 -- Solution
29 June 04 03:11 PM | ricom | 10 Comments   

And now the exciting solution to Performance Quiz #3 ! There's actually an enourmous amount of philosophy that can be learned from this little example in terms of good habits but I'd like to anchor this in the numbers so let's begin with those. Time Analysis Read More...

Filed under: performance, design advice, quiz

Performance Quiz #3
25 June 04 02:55 PM | ricom | 4 Comments   

The funny thing about managed code is that sometimes people forget that just because we offer an easy/convenient way to do things if you're doing a quick RAD application doesn't mean that the RAD way is in fact the right way. In fact, the good old fashioned Read More...

Filed under: performance, design advice, quiz

Optimistic vs. Pessimistic Locking consequences
24 June 04 12:39 PM | ricom | 2 Comments   

Putting on my "database guy" hat, a few days I was asked to comment on locking techniques for databases and to point out some problems with using transactions as a pessimistic locking technique. Here's what I said... Some definitions: Optimistic locking Read More...

Filed under: design advice, databases

Wow, someone was listening :)
23 June 04 09:59 AM | ricom | 0 Comments   

I got quoted in Marco Dorantes' WebLog -- he has some interesting thoughts, might want to give him a read. Read More...

Filed under: ramblings

Of Strings and Services
23 June 04 09:49 AM | ricom | 4 Comments   

Here's some Q&A that followed a recent internal performance talk that I thought was generally useful. 1) Is there a way to browse and cleanup allocated resources on request completion for webservice? It's generally a very bad idea to try to mess with Read More...

Filed under: performance, design advice

Engineering is a quantitative discipline
16 June 04 10:41 AM | ricom | 3 Comments   

A few days ago I saw request for performance related information on one of our internal discussion lists that I thought was a bit vague and so I decided it was a good time to introduce my latest performance meme. Here's my response slightly edited and Read More...

Filed under: performance, design advice

Two quick hrefs
03 June 04 03:55 PM | ricom | 0 Comments   

My colleague Maoni has a blog , you might want to give it a visit. Also there was a great deal of feedback on my last posting that I think is valuable. If you don't routinely read the feedback you might want to give that posting a second look. Read More...

Filed under: ramblings