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When to use wrapper class and primitive type
...is:
It can be handy to initialize Objects to null or send null parameters into a method/constructor to indicate state or function. This can't be done with primitives.
Many programmers initialize numbers to 0 (default) or -1 to signify this, but depending on the scenario, this may be incorrect or m...
PHP - Merging two arrays into one array (also Remove Duplicates)
...g this error: Catchable fatal error: Object of class stdClass could not be converted to string
– Ravi
Nov 20 '12 at 9:24
4
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Web API Put Request generates an Http 405 Method Not Allowed error
...tions can't bind data to primitive type parameters. I had to change public int PutFluffColor(int Id, int colorCode) to public int PutFluffColor(int Id, UpdateFluffColorModel model)
– Josh Noe
May 1 '15 at 17:31
...
Android. Fragment getActivity() sometimes returns null
...e application works good without forcecloses, however some users get NullPointerException in fragment class when the getActivity() method is called.
...
How do I properly compare strings in C?
...et a program to let a user enter a word or character, store it, and then print it until the user types it again, exiting the program. My code looks like this:
...
Is there any kind of hash code function in JavaScript?
...
JavaScript objects can only use strings as keys (anything else is converted to a string).
You could, alternatively, maintain an array which indexes the objects in question, and use its index string as a reference to the object. Something like this:
var ObjectReference = [];
ObjectReferenc...
Is there a numpy builtin to reject outliers from a list
...data)) < m * np.std(data)] TypeError: only integer scalar arrays can be converted to a scalar index OR it just freezes my program
– john ktejik
Sep 16 '17 at 22:26
1
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How to change height of grouped UITableView header?
...func tableView(_ tableView: UITableView, heightForHeaderInSection section: Int) -> CGFloat {
if section == 0 {
return CGFloat.leastNormalMagnitude
}
return tableView.sectionHeaderHeight
}
Swift:
func tableView(tableView: UITableView, heightForHeaderInSec...
Fastest way to determine if an integer is between two integers (inclusive) with known sets of values
... way than x >= start && x <= end in C or C++ to test if an integer is between two integers?
6 Answers
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SQL Server: Is it possible to insert into two tables at the same time?
...tement: No.
In one transaction: Yes
BEGIN TRANSACTION
DECLARE @DataID int;
INSERT INTO DataTable (Column1 ...) VALUES (....);
SELECT @DataID = scope_identity();
INSERT INTO LinkTable VALUES (@ObjectID, @DataID);
COMMIT
The good news is that the above code is also guaranteed to be ato...