C# find gaps in date ranges
WebMar 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 ... WebMar 12, 2024 · Voilà Regardless of how messy the date ranges within an island are, this technique neatly identifies gaps in the data and returns the start and end of each island's date range.
C# find gaps in date ranges
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WebAug 12, 2024 · Hello, I'm doing an appointment finder, where you can input multiple users' appointments and it should find empty gaps in a list with multiple and variable DateRanges. The methods I wrote do unfortunately not work. How could I do this without a large library like TimePeriodLibrary. This is the ... · Hi TheSteveXYZ, In order to avoid … WebAug 12, 2024 · Hello, I'm doing an appointment finder, where you can input multiple users' appointments and it should find empty gaps in a list with multiple and variable DateRanges. The methods I wrote do unfortunately not work. How could I do this without a large library like TimePeriodLibrary. This is the ... · Hi TheSteveXYZ, In order to avoid …
WebJan 4, 2010 · DateTime currentDate = new DateTime (2010, 1, 1); DateTime endDate = new DateTime (2010, 1, 6); List existingDates = new List; //You fill with values List missingDates = new List; while (currentDate <= endDate) { if (existingDates.contains (currentDate)) missingDates.Add (currentDate); //Increment date currentDate = currentDate.AddDays … 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
WebJan 1, 2024 · Let's say you have three date ranges: [2024-01-01, 2024-02-01] [2024-02-02, 2024-04-05] [2024-06-01, 2024-07-01] You can see that there is a gap in between 2024 … WebDec 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.
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 ...
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", … 飯田橋 ランチ おしゃれ 安いWebI 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. 飯田橋 ランチ おしゃれ 和食WebNov 22, 2012 · 12 Answers Sorted by: 981 Simple check to see if two time periods overlap: bool overlap = a.start < b.end && b.start < a.end; or in your code: bool overlap = tStartA < tEndB && tStartB < tEndA; (Use <= … tarif pdam sidoarjoWebJan 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 … tarif pdam tirta bhagasasi 2022WebJan 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: 飯田橋 ランチtarif pdam surabaya 2023WebOct 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 tarif pdam surabaya 2023 naik