mongodb - update or replace the mongoose nested array object -


i have timesheet schema results below , want replace single data array object new set of values in mongoose. either want remove existing object , push new set of values or update old object new values.please suggest me proper way achieve this. struggled lot this, because new mongoose , mongodb. in advance

{     "_id": objectid("53f1fb3401ea96440d62646b"),     "user_id": "andrew",     "type": "solutions",     "timesheets": [{             "weekstartdate": isodate("2014-08-18t00:00:00z"),             "weekenddate": isodate("2014-08-22t00:00:00z"),             "_id": objectid("53f1fb3401ea96440d62646c"),             "data": [{                     "date": isodate("2014-08-18t00:00:00z"),                     "_id": objectid("53f1fb3401ea96440d62646d"),                     "record": [{                             "_id": objectid("53f1fb3401ea96440d626470"),                             "desc": "",                             "cellid": "0:0",                             "custname": "coach",                             "custid": "2",                             "timespend": "04:00",                             "categoryname": "billing",                             "categoryid": "1"                     }, {                             "_id": objectid("53f1fb3401ea96440d62646f"),                             "desc": "description",                             "cellid": "0:1",                             "custname": "",                             "custid": "",                             "timespend": "05:00",                             "categoryname": "solution",                             "categoryid": "4"                     }, {                             "_id": objectid("53f1fb3401ea96440d62646e"),                             "desc": "description",                             "cellid": "0:2",                             "custname": "",                             "custid": "",                             "timespend": "06:00",                             "categoryname": "gtm",                             "categoryid": "3"                     }],                     "savedflag": false,                     "submitflag": false             }, {                     "date": isodate("2014-08-19t00:00:00z"),                     "_id": objectid("53f1fb4e01ea96440d626471"),                     "record": [{                             "_id": objectid("53f1fb4e01ea96440d626474"),                             "desc": "",                             "cellid": "1:0",                             "custname": "morgan",                             "custid": "3",                             "timespend": "04:00",                             "categoryname": "rfp",                             "categoryid": "2"                     }, {                             "_id": objectid("53f1fb4e01ea96440d626473"),                             "desc": "",                             "cellid": "1:1",                             "custname": "morgan",                             "custid": "3",                             "timespend": "05:00",                             "categoryname": "rfp",                             "categoryid": "2"                     }, {                             "_id": objectid("53f1fb4e01ea96440d626472"),                             "desc": "",                             "cellid": "1:2",                             "custname": "citi",                             "custid": "1",                             "timespend": "04:00",                             "categoryname": "sales",                             "categoryid": "0"                     }],                     "savedflag": false,                     "submitflag": false             }],             "savedflag": true,             "submitflag": false     }],     "__v": 0

} >


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