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What is the usefulness of `enable_shared_from_this`?
...er function needs a shared_ptr object that owns the object that it's being called on, it can't just create an object on the fly:
struct S
{
shared_ptr<S> dangerous()
{
return shared_ptr<S>(this); // don't do this!
}
};
int main()
{
shared_ptr<S> sp1(new S);
sha...
download and install visual studio 2008 [closed]
....com/downloads/info.aspx?na=90&p=&SrcDisplayLang=en&SrcCategoryId=&SrcFamilyId=7bbe5eda-5062-4ebb-83c7-d3c5ff92a373&u=http%3a%2f%2fdownload.microsoft.com%2fdownload%2f1%2ff%2f0%2f1f07c259-7ff2-4902-9205-ad1dfb87ccab%2fVS2008SP1MSDNENUX1506188.iso
To upgrade from trial version to...
“Auto Layout still required after executing -layoutSubviews” with UITableViewCell subclass
... because the underlying implementation of layoutSublayersForLayer does not call super. Someone with Hopper or some other tool can confirm this. Since you're using IB you're probably wondering why this is an issue... and that's because using IB automatically disables translatesAutoresizingMaskIntoCon...
Does a method's signature in Java include its return type?
...ya of cource we can't. How would the compiler know which of the methods to call in a scenario like this foo.bar(baz);?
– Kolyunya
Sep 12 '16 at 11:53
...
Why can't I initialize non-const static member or static array in class?
... char, wchar_t, and the signed and unsigned integer types are collectively called integral types.43) A synonym for integral type is integer type.
Footnote:
43) Therefore, enumerations (7.2) are not integral; however, enumerations can be promoted to int, unsigned int, long, or unsigned...
Integer.toString(int i) vs String.valueOf(int i)
...
String.valueOf(int) just calls Integer.toString(i) directly. So best to call Integer.toString(int).
– djchapm
May 21 '19 at 16:21
...
What's the difference between “static” and “static inline” function?
...e instructs the compiler to attempt to embed the function content into the calling code instead of executing an actual call.
For small functions that are called frequently that can make a big performance difference.
However, this is only a "hint", and the compiler may ignore it, and most compilers...
Why is my Spring @Autowired field null?
... of Control (IoC) container has three main logical components: a registry (called the ApplicationContext) of components (beans) that are available to be used by the application, a configurer system that injects objects' dependencies into them by matching up the dependencies with beans in the context...
What is the global interpreter lock (GIL) in CPython?
...
Good answer - basically it means that threads in Python are only good for blocking I/O; your app will never go above 1 CPU core of processor usage
– Ana Betts
Aug 18 '09 at 15:26
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How to change the default GCC compiler in Ubuntu?
.../g++-4.4. So in my system both gcc-3.3 and 4.4 are available. I am able to call both compilers as I want. If I just call the command gcc then gcc-4.4 will get called. To call gcc-3.3, I have to use the command gcc-3.3 .
...