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Serializing PHP object to JSON
... members regardless of visibility or type) to an associative array, or typecasting it to stdClass? I'm thinking in the direction of Reflection, but if not, I'll just figure out something to recursively perform it.
– Dan Lugg
Jul 26 '11 at 21:28
...
PostgreSQL query to return results as a comma separated list
...e taking an int for its first argument so I did something like: string_agg(CAST(id as varchar), ',') instead.
– JZC
Jun 22 '15 at 17:24
17
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Using generic std::function objects with member functions in one class
... Just add a little tip: member function pointer can be implicitly cast to std::function, with extra this as it's first parameter, like std::function<void(Foo*, int, int)> = &Foo::doSomethingArgs
– landerlyoung
Nov 25 '19 at 6:44
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Rails detect if request was AJAX
...context, you have to treat them not as not booleans, but ones that will be cast to bool. Above env['HTTP_X_REQUESTED_WITH'] =~ /XMLHttpRequest/ returns 0 not false. And 0 is actually truthy, not falsey in ruby: 0 || 1 => 0 But I'm going to alter my post for clarity.
– pixele...
Get to UIViewController from UIView?
...roller *) firstAvailableUIViewController {
// convenience function for casting and to "mask" the recursive function
return (UIViewController *)[self traverseResponderChainForUIViewController];
}
- (id) traverseResponderChainForUIViewController {
id nextResponder = [self nextResponder];
...
What is the difference between & vs @ and = in angularJS
...cope into the child directive. John Lindquist has a series of short screencasts explaining each of these. Screencast on @ is here: https://egghead.io/lessons/angularjs-isolate-scope-attribute-binding
& allows the directive's isolate scope to pass values into the parent scope for evaluation in...
How do I convert a NSString into a std::string?
...hiljordan.eu it could also be that the NSString is nil. In such a case the cast should be done like this:
// NOTE: if foo is nil this will produce an empty C++ string
// instead of dereferencing the NULL pointer from UTF8String.
This would lead you to such a conversion:
NSString *foo = @"Foo";
std...
How to create own dynamic type or dynamic object in C#?
...
Anyone know why we have to type cast to access the Add method? That seems strange to me.
– Vimes
Aug 20 at 16:24
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Explanation of JSONB introduced by PostgreSQL
...reads it (because it gets an invalid representation). Also, you can safely cast the latter to jsonb within the database.
– pozs
Mar 21 '17 at 9:00
2
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How to Join to first row
...version here:
select *
from Orders o
cross apply (
select CAST((select l.Description + ','
from LineItems l
where l.OrderID = s.OrderID
for xml path('')) as nvarchar(max)) l
) lines
...