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How do I explicitly instantiate a template function?
...
Your code is correct.
The error message pertains to a place in the code that you didn't quote here.
Update:
Original code was
template <class T> int function_name(T a) {}
template int function_name<int>(int);
and it was correct.
But ...
Mongoose (mongodb) batch insert?
...ocs
callback(err, docs) will be called after all documents get saved or an error occurs. On success, docs is the array of persisted documents.
As Mongoose's author points out here, this method will bypass any validation procedures and access the Mongo driver directly. It's a trade-off you have to ...
Will console.log reduce JavaScript execution performance?
...e script, eg:
var con = console;
and then use con.log("message") or con.error("error message") throughout your code, on production you can simply rewire con in the core location to:
var con = {
log: function() {},
error: function() {},
debug: function() {}
}
...
Executing injected by innerHTML after AJAX call
...ch does get executed).
An example of how to used the success callback and error callback after fetching some content:
$.ajax({
type: 'GET',
url: 'response.php',
timeout: 2000,
success: function(data) {
$("#content").html(data);
myFunction();
},
error: function...
AttributeError: 'module' object has no attribute
...
I have also seen this error when inadvertently naming a module with the same name as one of the standard Python modules. E.g. I had a module called commands which is also a Python library module. This proved to be difficult to track down as it w...
Relational table naming convention [closed]
...e it assists in resolving the model, ie. clarifying relations, identifying errors, and correcting the table names.
Diagram_A
Of course, the relationship is implemented in SQL as a CONSTRAINT FOREIGN KEY in the child table (more, later). Here is the Verb Phrase (in the model), the Predicate that...
Can table columns with a Foreign Key be NULL?
...affected (0.01 sec)
INSERT INTO child (id, parent_id) VALUES (2, 1);
-- ERROR 1452 (23000): Cannot add or update a child row: a foreign key
-- constraint fails (`t/child`, CONSTRAINT `child_ibfk_1` FOREIGN KEY
-- (`parent_id`) REFERENCES `parent` (`id`))
The first insert will pass because we i...
Add IIS 7 AppPool Identities as SQL Server Logons
... it will try to treat it as such...which won't work, and will give you the error message about it not being found).
How I've gotten it to work is:
In SQL Server Management Studio, look for the Security folder (the security folder at the same level as the Databases, Server Objects, etc. folders.....
“The Controls collection cannot be modified because the control contains code blocks”
... add a AjaxToolkit SliderExtender to the user control I get this (*&$#()@# error:
22 Answers
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Can I set variables to undefined or pass undefined as an argument?
...s operand is a simple variable that does not exist, instead of throwing an error as would normally happen if you tried to refer to it. (You can also give it a simple variable wrapped in parentheses, but not a full expression involving a non-existant variable.) Not much use for that, either.
This is ...