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4 changes: 2 additions & 2 deletions chapters/databases/mongodb.md
Original file line number Diff line number Diff line change
Expand Up @@ -23,7 +23,7 @@ mongo = require 'mongodb'

server = new mongo.Server "127.0.0.1", 27017, {}

client = new mongo.Db 'test', server
client = new mongo.Db 'test', server, {w:1}

# save() updates existing records or inserts new ones as needed
exampleSave = (dbErr, collection) ->
Expand All @@ -43,7 +43,7 @@ mongo = require 'mongodb'

server = new mongo.Server "127.0.0.1", 27017, {}

client = new mongo.Db 'test', server
client = new mongo.Db 'test', server, {w:1}

exampleFind = (dbErr, collection) ->
console.log "Unable to access database: #{dbErr}" if dbErr
Expand Down