Ai-Lyn Tang a16cff7671 Replace stub for mongDB lesson (use model.findOne) (#36493) ...

* Replace stub for mongDB lesson (use model.findOne)

Add solution

* Use callback in `createAndSavePerson()`

2019-07-23 09:36:44 -07:00

..

arabic

Fixing indentation (#34125)

2019-07-02 18:24:27 -07:00

chinese

fix: remove repl.it links chinese challenge articles

2019-06-27 15:54:55 +08:00

english

Replace stub for mongDB lesson (use model.findOne) (#36493)

2019-07-23 09:36:44 -07:00

portuguese

update translation bubble-sort (#36459)

2019-07-19 13:34:14 -07:00

russian

fix: remove repl.it links russian challenge articles (#36207)

2019-07-09 21:49:16 +05:30

spanish

Grammatical changes (#32856)

2019-07-19 16:57:52 -07:00