pradocchia

39 ms·

1. 331.▲
   by pradocchia 18y ago

   Yeah, but any sane database hacker will make sure each SELECT statement returns a relation. It's too hard to reason about otherwise. That said, SQL sucks.
2. 332.▲
   by pradocchia 18y ago

   I was confused by this section too. You state: > Notice that this solution is composed of the first two queries, however composing in SQL kills your performance, and this is generally not the right way to structure the query. That sound
3. 333.▲
   by pradocchia 18y ago

   > How about an RDBMS that exposes a relational algebra api MonetDB does this, though rather low-level: http://monetdb.cwi.nl/projects/monetdb/MonetDB/Documentation...
4. 334.▲
   by pradocchia 18y ago

   the handwriting recognition at nciku.com is pretty cool. it had no problem with cursive forms or joined strokes. thanks for the link!
5. 335.▲
   by pradocchia 18y ago

   I was using a mouse. It would have been less jarring with a stylus. Also, I was trying to control my hand for standard form/楷书, rather than everyday cursive, so that didn't help either. Had I started learning with a tool like this, my place
6. 336.▲
   by pradocchia 18y ago

   The stroke recognition is both really cool and somewhat disorienting. Really cool because it works, and somewhat disorienting because if you're off a bit, it repositions the stroke. In a fluent writer, each stroke follow from muscle memory,