WebSep 24, 2024 · I would like use linq to sql to query (prefer vb.net but c# example will do a table for records that are grouped by a field in the table and have holes in the datetime field that are greater than 30 minutes. WebFeb 1, 2024 · I would iterate through the ranges, remembering the previous end date, and compare it to the current start date. If its not equal then create a new "missing range", …
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WebJan 9, 2024 · I've tried doing something like this but it doesn't work when my date falls into a gap: SELECT SUM (START_DATE - PREV_END - 1) FROM ( SELECT ID, START_DATE, END_DATE, LAG (END_DATE) OVER (ORDER BY START_DATE) AS PREV_END_DATE FROM TBL WHERE ID = X_ID ) WHERE START_DATE >= Y_FIRST_DATE AND … WebMar 31, 2016 · Low and behold, there are only two: Date Range A ends before Date Range B begins or Date Range A starts after Date Range B ends. Figure 3 – No overlap If one of these is true, then the two date ranges do not overlap. The simple formula is posted as: (EndA <= StartB or StartA >= EndB)
WebApr 5, 2014 · void Main () { var startDate = new DateTime (2014, 1, 1); var dates = new List (); int priorPeriods = ( (DateTime.UtcNow-startDate).Days) / 30; dates = Enumerable.Range (0,6) .Select (index => new DateBlock { StartDate = startDate.AddDays ( (priorPeriods+index)*30), EndDate =startDate.AddDays ( (priorPeriods+index+1)*30) … WebOct 14, 2013 · var terminalsByTag = sourceLists.GroupBy (x => x.TagNo) .Select (x => new { TagNo = x.Key, Terminals = x.Select (t => Int32.Parse (t.TermNo)) }); var result = Enumerable.Range (1, terminalsByTag.Max (g => g.Terminals.Max ()).Except (g => g.Terminals).ToList (); Share Improve this answer Follow edited Oct 14, 2013 at 13:55
WebMy database objects have start and end properties, that are integers. I can find where are the gaps, but I need to cluster them to create the missing pieces. foreach (var interval in intervals) { for (int i = 0; i <= 999; i++) { if (Range.Intersects (interval,new Range (i,i))) continue; else doesNotIntersect.Add (i); } } WebJan 20, 2012 · In this case my var gaps returns a count which it should not because they are a valid range with no gaps or no overlapping. Is this the right way to validate them? ... if your sets are large, I'd do this in SQL rather than in C# - it feels a more natural place to be asking such "set based" questions. ... 1 I didn't test that yet, but to find ...
WebJan 1, 2013 · You can order the list of inputs by date (start date, for example) and then iterate through it by adding the dates to a new list every time the target condition is met (i.e., Cost = 0). Here you have a sample code writing all the relevant dates into gapsList:
buy miss benson\u0027s beetle by rachel joyceWebMar 11, 2013 · So for example if this was the list of dates, the function would return true as all items are the "First Friday of the month" and there are no gaps. This example below would return true. var date = new DateTime (2013, 1, 4); var date1 = new DateTime (2013, 2, 1); var date2 = new DateTime (2013, 3, 1); var date3 = new DateTime (2013, 4, 5); var ... centro bayerWebI should note that this approach works regardless of the size of the logical date partitions, and can be used to identify all gaps of at least the interval size we are looking at; the same query can check for gaps every 10 minutes as for hourly, daily, weekly, etc. buy missed event insuranceWebJul 9, 2024 · Class TimeRange { private DateTime StartDate {get; set;} private DateTime EndDate {get; set;} } List TimeRangeList = new List () { new TimeRange () {StartDate = new DateTime (2050, 1, 1), EndDate = new DateTime (2050, 1, 10)}, new TimeRange () {StartDate = new DateTime (2050, 2, 1), EndDate = new DateTime (2050, 2, 10)}, //This … buy missile balloons for your carWebDec 6, 2024 · Making sure that the DateTime s you compare are of the same kind (UTC/Local) is important. With different kinds the raw time will be compared instead of converting both to a common kind. – CodesInChaos. Jan 24, 2011 at 11:57. 11. return startDate <= dateToCheck && dateToCheck < endDate seems slightly more readable. buy missile command arcade gameWebJan 1, 2015 · Step 1: Create a range of dates from Jan 01 till Jan 30 using Enumerable.Range. Step 2: Since after the second unavailable date range, we need to … centrobed arcticWebOct 11, 2011 · string firstGap = sortedList .Zip (sortedList.Skip (1), (f, s) => Tuple.Create (f, s)) .First (tup => (int.Parse (tup.Item1) + 1) != int.Parse (tup.Item2)).Item1; Should give you the first item before the first gap, so the first missing element is: string gap = (int.Parse (firstGap) + 1).ToString (); Share Improve this answer Follow centro bar chatham