watch: { // 라우트가 변경되면 메소드를 다시 호출됩니다. ‘$route’: ‘fetchData’ },
더보기동적 라우트 매칭 | Vue Router
watch: { ‘$route’ (to, from) { let urlParams = new URLSearchParams(window.location.search); let type = urlParams.get(‘type’); let groupNo = urlParams.get(‘groupNo’); let collectionNo = urlParams.get(‘collectionNo’); let params = { groupNo: groupNo, collectionNo: collectionNo, limit: 10 }; this.searchCollection(params); }, },
더보기정규식
정규식은 일반 문자(예: a에서 z)와 메타문자로 알려진 특수 문자로 구성된 문자열 패턴이다. 패턴은 문자열 본문을 검색할 때 일치하는 문자열을 설명한다. 정규식은 검색되는 문자열과 일치하는 문자 패턴을 찾는 템플릿의 역할을 한다. 일반적으로 볼 수 있는 몇 가지 정규식 예는 다음과 같다. 출력 공통 <scRIPT> var s,re; function showChar(){ sindex=s.search(re); slastIndex=RegExp.lastIndex; document.write(sindex+’~’+RegExp.lastIndex); document.write(‘ (‘+s.substring(sindex,slastIndex)+’)’); } </scRIPT> <scRIPT>var s,re; function showChar(){ ...
더보기c# TimeSpan
// 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 ...
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