1.4 KiB
1.4 KiB
English deck
Vocabulary
Item note
Front
(it's) raining cats and dogs
Back
it's raining very hard
Computing deck
Item note
Front
How to trap errors in elisp ?
Back
(condition-case the-error
;; the protected form
(progn
(do-something-dangerous)
(do-something-more-dangerous))
;; handlers
(error-symbol1 (handler1 the-error))
((error-symbol2 error-symbol3 (handler the-error))))Mathematics deck
Item note
Text
The dot product of two vectors is {{c1::$|\alpha| \cdot |\beta| \cos{\varphi}$}}