// timespan to datetime DateTime riderRecord = new DateTime() + record.riderRecord; DateTime riderRecordDifference = new DateTime() + record.riderRecordDifference; DateTime riderRecordSoFar = new DateTime() + record.riderRecordSoFar; // datetime to timespan TimeSpan CurrentTime = riderRecord.TimeOfDay;
더보기mongodb unset
db.getCollection(‘contents’).update( {}, { $unset:{ “page”:””, “size”:””, “pub_review” : “”, “contents” : “”, “bookin” : “”, “recommand” : “”, “author_review” : “” } }, {multi:true} )
더보기c# serialize
var pipeline = new[] { match, unwind, lookup, project, group }; AggregateResult result = collection.Aggregate(pipeline); var aggregate = result.Response.GetValue(0); var aggregateArr = aggregate.AsBsonArray; fpOrderItem.ActiveSheet.Rows.Count = 0; int ttt = 0; foreach (var agg_result in aggregateArr) { var order_record = agg_result[“_id”]; var order_no = order_record[“order_no”].ToString(); var order_list_str = order_record[“order_list”]; var contents_str ...
더보기mongodb join
db.order_list.aggregate([ { $unwind: “$booklist” }, { $lookup: { from: “contents”, localField: “booklist.isbn”, foreignField: “isbn”, as: “xxxx” } }, { $group:{ _id:{order_no:”$order_no”}, booklist:{ $push:”$xxxx.isbn”, $push:”$xxxx.title” } } } ]) ====================================== db.votes.aggregate([ { $lookup: { from: “users”, localField: “createdBy”, foreignField: “_id”, as: “userYYY” } }, { $unwind: “$userYYY” }, ...
더보기mongoDB serialize
public class Zoo { [BsonId] public ObjectId Id { get; set; } public List<Animal> Animals { get; set; } } [BsonDiscriminator(RootClass = true)] [BsonKnownTypes(typeof(Tiger), typeof(Zebra))] public class Animal { [BsonId] public ObjectId Id { get; set; } public string Name { get; set; } } public class Tiger : ...
더보기A Billion Person Family Tree with MongoDB by Randall Wilson
Storing TreeView Structures With MongoDB
Storing Tree like Structures With MongoDB Educational repository demonstrating approaches for storing tree structures with NoSQL database MongoDB Background In a real life almost any project deals with the tree structures. Different kinds of taxonomies, site structures etc require modelling of hierarhy relations. In this article I will illustrate using ...
더보기전문인력
사회적기업 SEIS 통합정보시스템 차수 2018004 사회적목적구분 일자리제공형 사회적기업구분 인증 심사일 2018-08-31 인증일(지정일) 2018-09-04 인증번호(지정번호) 제2018-166호 *조직형태 사회적협동조합 *인증(지정)유형 일자리제공형 *주된 목적 (서비스 수혜 대상) 사업비지원 사업에 의해 개발된 SDI(선택적정보제공) 서비스를 운영, 유지관리하기위한 정보통신분야 전문인력을 채용하여 SDI(선택적정보제공) 서비스를 원할히 서비스하여 도서관 사서 및 교과 담당 교사에게 신간 도서 정보 및 교과 ...
더보기container.panel
splitContainer2.Panel2.Controls.Add(panelBook); panelBook.Show(); panelBook.BringToFront(); //panelBook.Location = new Point(splitContainer1.Panel2);
더보기mongodb recursive
db.files.save({ _id: "root"}) db.files.save({ _id: "src", parent: "root", ancestors: ["root"] } ) db.files.save({ _id: "lib", parent: "root", ancestors: ["root"]} ) db.files.save({ _id: "config.cfg", parent: "root", ancestors: ["root"], size: 2310 }) db.files.save({ _id: "file1.js", parent: "src", ancestors: ["root","src"], size: 5039 }) db.files.save({ _id: "file2.js", parent: "src", ancestors: ["root","src"], size: 1299 }) ...
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