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How are virtual functions and vtable implemented?
...cast to Foo
(void(*)(Foo*)) destructBar, // must cast type to avoid errors
(int(*)(Foo*)) aBar
};
void constructBar(Bar* self) { // Bar::Bar()
self->base.vtable = &vtableBar; // point to Bar vtable
}
function f performing virtual function call
void f(Foo* arg) { ...
Why would one use nested classes in C++?
...
struct Impl; std::auto_ptr<Impl> impl; This error was popularized by Herb Sutter. Don't use auto_ptr on incomplete types, or at least take precautions to avoid wrong code being generated.
– Gene Bushuyev
Dec 31 '10 at 20:00
...
Using @property versus getters and setters
...s parts, while a tuple don't. Names are better at readability and avoiding errors, than tuples subscripting, especially when this is to be passed outside of the current module.
– Hibou57
Sep 5 '12 at 19:26
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Stopping scripters from slamming your website
...
Run time-trials of real people responding to this, and ignore ('oops, an error occurred, sorry! please try again') responses faster than (say) half of this time. This event should also trigger an alert to the developers that at least one bot has figured out the code/game, so it's time to change th...
Why does Python code run faster in a function?
... // this and everything below is skipped
continue;
}
// error-checking and more code for when the iterator ends normally
The PREDICT function expands to if (*next_instr == op) goto PRED_##op i.e. we just jump to the start of the predicted opc...
When to make a type non-movable in C++11?
...mutex , timed_mutex, recursive_timed_mutex,
condition_variable
type_info
error_category
locale::facet
random_device
seed_seq
ios_base
basic_istream<charT,traits>::sentry
basic_ostream<charT,traits>::sentry
all atomic types
once_flag
Apparently there is a discussion on Clang: https:...
Iterator invalidation rules
...
I think I made an error, because std::basic_string does not seem to be counted as a container, and certainly not a container in the section of the standard that note applies to. Still, where does it say SSO is disallowed (I know COW is)?
...
How to detect when an Android app goes to the background and come back to the foreground
... Awesome solution ! Thanks. If anyone gets "ClassCastException" error then you might have missed adding it in the application tag inside your Manifest.xml <application android:name="your.package.MyApplication"
...
Why would one use the Publish/Subscribe pattern (in JS/jQuery)?
...tand a bit better. So... if I removed the subscriber entirely, it wouldn't error or anything, it would just do nothing? And would you say this might be useful in a case where you want to perform an action, but wouldn't necessarily know which function is most relevant at the time of publishing, but t...
Case objects vs Enumerations in Scala
... using a closed type within Scala. I strongly prefer compile time warnings/errors to indicate I have a gap/issue in my code as opposed to having to glean it out of a production runtime exception/failure.
In that regard, I set about working with the case object pathway to see if I could produce a ...