You use the one circular needle as if the two ends were separate. Knit across your work, turn and knit the other way. I prefer this for just about all my straight knitting anymore. No ends to hit anything, and I never drop or lose the second needle.
"Trust the pattern!"
Time flies like an arrow, but fruit flies like a banana.
Hop aboard while we follow the cloud-covered van of knitting harmony, man!! Woooo!! --Hedgehog
IngridKH on Ravelry