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How to convert an array to object in PHP?
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In the simplest case, it's probably sufficient to "cast" the array as an object:
$object = (object) $array;
Another option would be to instantiate a standard class as a variable, and loop through your array while re-assigning the values:
$object = new stdClass();
foreach ...
Remove useless zero digits from decimals in PHP
... + 0; // 125
echo 966.70 + 0; // 966.7
Internally, this is equivalent to casting to float with (float)$num or floatval($num) but I find it simpler.
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Search for a string in Enum and return the Enum
...if the input is numeric; it just returns the parsed number, which then get cast to the enum's type. So if you want to check if some user input is a valid enum or something else, you should check for numeric content first. Since it returns a valid enum but with a value that may not exist at all in th...
Why does String.valueOf(null) throw a NullPointerException?
...n in this case, it then throws NullPointerException.
The easy "fix" is to cast the null explicitly to Object as follows:
System.out.println(String.valueOf((Object) null));
// prints "null"
Related questions
How does polymorph ambiguity distinction work?
Which overload will get selected for nul...
How is std::function implemented?
...e one generic function, specialize it with each possible functor type, and cast them to a universal function pointer type. Therefore the type information is erased.
I've cobbled up a simplified version of that. Hope it'll help
#include <iostream>
#include <memory>
template <typenam...
Convert ArrayList to String[] array [duplicate]
...ation as to what is going on here, the JVM doesn't know how to blindly downcast Object[] (the result of toArray()) to String[]. To let it know what your desired object type is, you can pass a typed array into toArray(). The typed array can be of any size (new String[1] is valid), but if it is too sm...
Is there a difference between copy initialization and direct initialization?
...nc() directly initializes the object a1. Any intermediary functional-style cast would not have any effect, because A_factory_func(another-prvalue) just "passes through" the result object of the outer prvalue to be also the result object of the inner prvalue.
A a1 = A_factory_func();
A a2(A_factor...
How should I print types like off_t and size_t?
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They are listed in the manpage of inttypes.h.
Personally, I would just cast the values to unsigned long or long like another answer recommends. If you use C99, then you can (and should, of course) cast to unsigned long long or long long and use the %llu or %lld formats respectively.
...
How do I query between two dates using MySQL?
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When using Date and Time values, you must cast the fields as DateTime and not Date.
Try :
SELECT * FROM `objects`
WHERE (CAST(date_field AS DATETIME)
BETWEEN CAST('2010-09-29 10:15:55' AS DATETIME) AND CAST('2010-01-30 14:15:55' AS DATETIME))
...
C++11 emplace_back on vector?
...he member, the argument is treated as an lvalue again, in the absence of a cast, so the member just gets copy-constructed. Even if the member was move-constructed, it's not idiomatic to require callers always to pass a temporary or std::move()d lvalue (though I will confess that I have a few corner-...