Month: October 2022

[Solved] For each loop with submitting form

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[ad_1] The error message is self explanatory. You have this in your view @model hotel.Models.RoomModel but you pass an instance of System.Data.Entity.Infrastructure.DbQuery<Hotel.BusinessObject.Room> to your view because of this line of code in your controller return View(roomService.GetRoomsByCategory(CategoryId, SelectedDate, NumberNights, NumberPeoples)); You need to pass an instance of RoomModel instead of System.Data.Entity.Infrastructure.DbQuery<Hotel.BusinessObject.Room>. I would suggest changing your … Read more

[Solved] reconstructing lost code (InArray) – cont [closed]

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[ad_1] Most likely, the function tests if n belongs to the array: function InArray(A: TIntArray; n: Integer): boolean; var i: integer; begin result := false; for i := low(A) to high(A) do if A[i] = n then Exit(true); end; If you are using an old version of Delphi (<2009), you have to do function InArray(A: … Read more

[Solved] To get the most frequent levels in a data frame

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[ad_1] You can do something like this with dplyr set.seed(43) df<-data.frame(location=sample(LETTERS[1:3],20,replace=TRUE), site=sample(c(“bang”,”mys”,”hubl”,”dar”),20,replace=TRUE)) library(dplyr) df%>%group_by(location,site)%>%summarize(Count=n())%>%arrange(desc(Count))%>%slice(1)%>%ungroup()%>%select(location,site) 3 [ad_2] solved To get the most frequent levels in a data frame

[Solved] Java: How to access implementation of a method of Sub class from Super class

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[ad_1] Consider following: public interface Animal { bool isVertebrate(); bool isDomesticable(); } and an abstract class that implements this interface: abstract class Cat implements Animal { public bool isVertebrate() {return true;} public void dealWithCat(){ if (isDomesticable()){ … } } But implementation for isDomesticable is delegated to subclass: public class Tiger extends Cat { public bool … Read more

[Solved] Simple R Function, What Is Wrong? [closed]

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[ad_1] You’re missing a closing bracket in the first line of the ggplot call.. p <- ggplot(cabbage_exp, aes(Date, Weight, fill = Cultivar)**)** + Give that a shot. [ad_2] solved Simple R Function, What Is Wrong? [closed]

[Solved] multiple search and replace in python

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[ad_1] import os parent_folder_path=”somepath/parent_folder” for eachFile in os.listdir(parent_folder_path): if eachFile.endswith(‘.xml’): newfilePath = parent_folder_path+”https://stackoverflow.com/”+eachFile file = open(newfilePath, ‘r’) xml = file.read() file.close() xml = xml.replace(‘thing to replace’, ‘with content’) file = open(newfilePath, ‘w’) file.write(str(xml)) file.close() Hope this is what you are looking for. 3 [ad_2] solved multiple search and replace in python

[Solved] math need a number between -180 and 180

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[ad_1] You could solve it like this: private static final int MIN = -180; private static final int MAX = 180; public static void main(String[] args) { System.out.println(keepInRange(-150 + 90)); System.out.println(keepInRange(0 + 90)); System.out.println(keepInRange(150 + 90)); System.out.println(keepInRange(-150 – 90)); } private static int keepInRange(final int value) { if (value < MIN) { /* * subtract … Read more

[Solved] How to get value of cell knowing neighboring cell from same row in sql db?

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[ad_1] $query = “SELECT id FROM words where word =’abc'”; $result2 = $conn1->query($query); //fetch the data from the database while ($row = $result2->fetch_assoc() ) { echo “id is:”.$row[‘id’]; } where $conn1 is the connection variable $conn1 = new mysqli($servername, $username, $password, $dbname); [ad_2] solved How to get value of cell knowing neighboring cell from same … Read more

[Solved] OpenCV to android Opencv (JAVA)

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[ad_1] I hope this might help you as I am doing something similar. Mat gray8 = new Mat(marked.size(), CvType.CV_8UC1); Imgproc.cvtColor(marked, gray8, Imgproc.COLOR_RGB2GRAY); Scalar mean = Core.mean(gray8); Imgproc.threshold(gray8, gray8, mean.val[0], 255, Imgproc.THRESH_BINARY); /*Imgproc.erode(gray8, gray8, new Mat(), new Point(-1, -1), 2);*/ List<MatOfPoint> contours = new ArrayList<MatOfPoint>(); MatOfInt4 hierarchy = new MatOfInt4(); Imgproc.findContours(gray8, contours, hierarchy, Imgproc.RETR_LIST, Imgproc.CHAIN_APPROX_SIMPLE); Toast.makeText(getApplicationContext(), … Read more

[Solved] Printing 2d array box

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[ad_1] Something like this could work. You need basic understanding of nested loops to be able to do this question. #include <stdio.h> #include <stdlib.h> int main(int argc, char const *argv[]) { int rows, cols, i, j; printf(“Enter rows for box: “); if (scanf(“%d”, &rows) != 1) { printf(“Invalid rows\n”); exit(EXIT_FAILURE); } printf(“Enter columns for box: … Read more

[Solved] How to draw path for given lat long values [closed]

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[ad_1] You have to call this method at onCreate. private void getPath(){ float sourceLat = yourSourceLatitude; float sourceLng = yourSourceLongitude; float descLat = yourDescLatitude; float descLng = yourDescLongitude; LatLng origin = new LatLng((int)(sourceLat * 1E6), (int)(sourceLng * 1E6)); LatLng dest = new LatLng((int)(descLat * 1E6), (int)(descLng * 1E6)); // Getting URL to the Google Directions … Read more

[Solved] JQuery $.post in a function. Wait for callback to define the return. [duplicate]

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[ad_1] This is impossible. $.Ajax calls will always return immediately. You need to deal with the return when it is called through a callback (possibly several seconds later). Javascript never blocks for a given call. It may help to think of your code like this: //This entirely unrelated function will get called when the Ajax … Read more