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When is an interface with a default method initialized?
...p->local_interfaces()->at(i);
InstanceKlass* ik = InstanceKlass::cast(iface);
if (ik->has_default_methods() && ik->should_be_initialized()) {
ik->initialize(THREAD);
....
}
}
}
So this initialization has been implemented explicitly as a new Step 7.5. T...
What is Rack middleware?
...mment about it being a way to filter requests probably comes from the RailsCast episode 151: Rack Middleware screen cast.
Rack middleware evolved out of Rack and there is a great intro at Introduction to Rack middleware.
There's an intro to middleware on Wikipedia here.
...
How to store arrays in MySQL?
... AS pfs_person_name,
cast(concat('[', group_concat(json_quote(fruit_name) ORDER BY fruit_name SEPARATOR ','), ']') as json) AS pfs_fruit_name_array
FROM
person
INNER JOIN person_fruit
ON person.person_id = person_fruit.pf_person
...
C++ Dynamic Shared Library on Linux
...error());
}
Reset_dlerror();
creator = reinterpret_cast<Base_creator_t>(dlsym(handler, "create"));
Check_dlerror();
}
std::unique_ptr<Base> create() const {
return std::unique_ptr<Base>(creator());
}
~Derived_factory() {
...
Using a ListAdapter to fill a LinearLayout inside a ScrollView layout
...nt position, long id) {
// You can just use listView instead of parent casted to ListView.
if (position >= ((ListView) parent).getHeaderViewsCount()) {
// Note the usage of getItemAtPosition() instead of adapter's getItem() because
// the latter does not take into account the ...
The new keyword “auto”; When should it be used to declare a variable type? [duplicate]
...bdas can't be spelled, so auto f = []... is good style. The alternative is casting to std::function but that comes with overhead.
I can't really conceive of an "abuse" of auto. The closest I can imagine is depriving yourself of an explicit conversion to some significant type -- but you wouldn't use...
Why is Spring's ApplicationContext.getBean considered bad?
I asked a general Spring question: Auto-cast Spring Beans and had multiple people respond that calling Spring's ApplicationContext.getBean() should be avoided as much as possible. Why is that?
...
Reference: Comparing PHP's print and echo
...print. print e, when evaluated:
evaluates its single argument e and type-casts the resulting value to a string s. (Thus, print e is equivalent to print (string) e.)
Streams the string s to the output buffer (which eventually will be streamed to the standard output).
Evaluates to the integer 1.
D...
When to use std::forward to forward arguments?
... }
std::string to_string (void) const {
auto address = static_cast<const void*>(this);
std::stringstream ss;
ss << address;
return "BankAccount(" + ss.str() + ", cash $" + std::to_string(cash) + ")";
}
};
template<typename T, typename Account&...
Why does C# not provide the C++ style 'friend' keyword? [closed]
...t. Like accessors+mutators, operators overloading, public inheritance, downcasting, etc., it's often misused, but it does not mean the keyword has no, or worse, a bad purpose.
See Konrad Rudolph's message in the other thread, or if you prefer see the relevant entry in the C++ FAQ.
...