[Solved] Why is this printing 0? [closed]

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[ad_1] a + 1; You meant: a = a + 1; // or a += 1; The expression a + 1 results in a value, but you have not assigned that value to anything (a in particular). [ad_2] solved Why is this printing 0? [closed]

[Solved] What is the result of casting in C++?

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[ad_1] In this context, 0 is a null pointer constant. It can be converted, with or without a cast, to any pointer type, giving a null pointer of that type. In modern C++, you can write nullptr to make it more clear that you mean a null pointer, not the number zero. There’s also a … Read more

[Solved] Which Insert query run faster and accurate?

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[ad_1] TL;TR The second query will be faster. Why? Read below… Basically, a query is executed in various steps: Connecting: Both versions of your code have to do this Sending query to server: Applies to both versions, only the second version sends only one query Parsing query: Same as above, both versions need the queries … Read more

[Solved] In python what does having = [] mean

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[ad_1] Assign empty list to variable actualScoresTable. Th type of actualScoresTable is list try folowing: >>> actualScoresTable = [] >>> print actualScoresTable [] >>> type(actualScoresTable) <type ‘list’> >>> We can define list type variable in following way also: >>> a = list() >>> print a [] >>> type(a) <type ‘list’> >>> [ad_2] solved In python … Read more

[Solved] sizeof return type in C

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[ad_1] variable a is an integer (int), and integers take 4 bytes (regardless of what value is stored in it). Just because the specific value could be represented by fewer bits, it does not change the size of the variable. [ad_2] solved sizeof return type in C

[Solved] check value if null return 0 otherwise return the value

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[ad_1] If you are sure for getting an integer for your $value[‘status’] you can cast it to integer, it would be shorter: // in case of null, casting will return 0 $status = $STATUSES[(int)$value[‘status’]]; 0 [ad_2] solved check value if null return 0 otherwise return the value

[Solved] Inserting linked list at the end [closed]

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[ad_1] you should have to return inside if because after if statement it again comes into while loop and add extra node at the end struct node { int data; // node format struct node* next; }; void insertAtEnd(struct node** headRef, int newData) { struct node* ptr; struct node* newnode; ptr = (*headRef); newnode = … Read more

[Solved] Connecting data in python to spreadsheets

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[ad_1] Are you trying to write your dictionary in a Excel Spreadsheet? In this case, you could use win32com library: import win32com.client xlApp = win32com.client.DispatchEx(‘Excel.Application’) xlApp.Visible = 0 xlBook = xlApp.Workbooks.Open(my_filename) sht = xlBook.Worksheets(my_sheet) row = 1 for element in dict.keys(): sht.Cells(row, 1).Value = element sht.Cells(row, 2).Value = dict[element] row += 1 xlBook.Save() xlBook.Close() Note … Read more

[Solved] methods that give error [closed]

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[ad_1] I missed that this method start with get_ Here is right answer. Just find “this HttpConfiguration” on entire solution. You can find extension method named start with “get_” If this solution not work.. find “this IDisposable” on entire solution. because HttpConfiguration class is implement of IDisposable 2 [ad_2] solved methods that give error [closed]