Losing my senses
Today for a while I was without Internet access and I had this sensation I’ve noticed before, and mentioned to a few people: I’ve gotten to the point where being cut off from the Internet is like losing one of…
Dave Cassel
Gotcha – sequence index evaluation
Every now and then I get caught by this little gotcha, so I figured I’d share and hopefully by writing about it, I’ll remember to do this right. Let’s start with a little something simple, shall we? let $seq :=…
Calling a function on the power set of a sequence
[Update: This post was originally labelled “Calling a function on all permutations of a sequence”. John Boyer was kind enough to point out that the function works for power sets rather than permutations, so I’ve updated this post accordingly. Thanks,…
Do it yourself
I have a little story to tell that I hope will inspire someone to pursue an entrepreneurial goal. I came across a notebook recently. I don’t remember exactly when I used this one, but it was somewhere around ’97 or…
A RESTful chess service: part 5
Welcome to part 5 of my series on designing a RESTful chess service. Don’t worry — today’s is the last of the planning posts, then we get to some code. The last two steps laid out by the authors of RESTful…
A RESTful chess service: part 4
This is part four in a series of posts walking through the process of building a RESTful chess service. I’ve been slacking off a bit in the pace of my posts, but hopefully that will pick back up — I…
A RESTful chess service: part 3
In part 2 of this series, I defined the data set and resources for my service. I’ve been following the procedure listed in RESTful Web Services for how to lay out the service. Here are those steps again: Figure out…
A RESTful chess service: part 2
In part 1 of this series, I laid out my goals for a RESTful chess service, based on the RESTful Web Services book from the O’Reilly series. The authors present a procedure for designing services, the first two of which…
A RESTful chess service: Part 1
I recently got a copy of RESTful Web Services, a book in the O’Reilly series that I read some time ago. I first read it when I was introduced to REST as an architectural style. It helped me get my…
Why is it flickering?
A friend of mine is learning JavaScript and jQuery and I recently helped her out with a problem she was having. She wanted to mouse over an image and have another <div/> appear, giving information about the image. Okay, nothing…