c++

[Solved] How to stop duplicating the data in database everytime the form loads?

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[ad_1] I don’t understand the need of your “reports” table,… If I was you I’ll use only ShowData() with the query, like this public void ShowData() { con = new SqlConnection(@”Data Source=LAPTOP-KA7UGSG3;Initial Catalog=JAPoultry;Integrated Security=True”); con.Open(); da = new SqlDataAdapter(“SELECT Variety, SUM(Quantity) FROM Inventory GROUP BY Variety”, con); dt = new DataTable(); da.Fill(dt); dgv_Reports.DataSource = dt; … Read more

[Solved] How to convert these PHP functions to C#?

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[ad_1] In c#, the timezone is built into the DateTime structure, so you should not need to set the default. Instead when you are manipulating DateTime instances you use the UTC version of methods. For example, in the constructor you can specify if the date supplied is local or UTC. With regards to the second … Read more

[Solved] Get values of checkbox controls in sub records page [closed]

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[ad_1] Please add more code and explain your question. A general answer to this question: for (int i = 0; i < action.RecordsCount(); i++) { RetrievalRecord uiRecord = action.GetRecord(i); Action_v_Record dbRecord = uiRecord.DataRecord as Action_v_Record; CheckboxRetrievalCell missingcell = uiRecord.GetCell(action.missingAction) as CheckboxRetrievalCell; CheckboxRetrievalCell irrelevantCell = uiRecord.GetCell(action.irrelevantAction) as CheckboxRetrievalCell; int missingCellValue = missingcell.ToInteger; int irrelevantCellValue = irrelevantCell.ToInteger; … Read more

[Solved] Vectors using C++

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[ad_1] why here vector <int> :: iterator i; The vector <int> :: iterator i; is created in order to traverse the vector vector <int> g1; (actually it can traverse any vector<int>, but in this case, that’s for g1) is there a difference between vector <int> :: iterator i; and int i? The scope of vector … Read more

[Solved] Polymorphism vs Inheritance. Diffrence?

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[ad_1] Here’s a version of your first example, that actually uses polymorphism: #include <iostream> #include <string> class shape { public: void setValues(int height_, int width_) { height = height_; width = width_; } virtual int area() = 0; // This is needed for polymorphism to work virtual std::string name() = 0; protected: int height; int … Read more

[Solved] How to create and use background thread to change object from another thread

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[ad_1] A background thread is scoped to the main thread. So it’ll run as long as the console app is alive. .Net has a rich threading library, so I leave it up to you. for ex) 1) use a delegate and call BeginInvoke 2) system.threading.Thread namespace 3) System.Threading.Tasks namespace Since threading can be daunting, here’s … Read more

[Solved] Whats wrong with this program in C? It terminates. I am having difficulty in understanding read input string in pointer of pointers [closed]

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[ad_1] Whats wrong with this program in C? It terminates. I am having difficulty in understanding read input string in pointer of pointers [closed] [ad_2] solved Whats wrong with this program in C? It terminates. I am having difficulty in understanding read input string in pointer of pointers [closed]

[Solved] remove null items from a multidimensional array in C#

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[ad_1] Finally I solved my problem with multidimensional arrays by using a method as below: public object[,] clear_array_nulls(object[,] input) { int m = input.GetUpperBound(0); int n = input.GetUpperBound(1) + 1; object[] temp = new object[input.GetUpperBound(0)]; for (int x = 0; x < m; x++) temp[x] = input[x, 0]; temp = temp.Where(s => !object.Equals(s, null)).ToArray(); object[,] … Read more

[Solved] Array not displaying proper output

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[ad_1] Because in your conditions, you check if(hoursWorked[i] < 40) and if(hoursWorked[i] > 40), but there is no condition for if(hoursWorked[i] == 40). You probably wanted to use -or-equal operator on one of these conditions (>= or <=). [ad_2] solved Array not displaying proper output

[Solved] How to pass array “by reference” in C? [duplicate]

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[ad_1] I do not judge your algorithm or C conventions, friends who comment on your problem are totally right. But if you still do it in this way you can use this approach. #include <stdio.h> #include <string.h> void removeFirstAndLastChar(char* string) { memmove(string,string+1,strlen(string)); string[strlen(string)-1]=0; } int main(void) { char title[] = “ABC”; removeFirstAndLastChar(title); printf(“%s”, title); // … Read more