大约有 48,000 项符合查询结果（耗时：0.0644秒） [XML]
Swift class introspection & generics
...ype is a declaration but MyObject.self is a factory method (can be called) and myObject is a variable containing a reference to a factory method. The call myObject() would produce an instance of class MyObject. It would be better example if the name of myObject variable was myObjectFactory?
...
Calling virtual functions inside constructors
...
Calling virtual functions from a constructor or destructor is dangerous and should be avoided whenever possible. All C++ implementations should call the version of the function defined at the level of the hierarchy in the current constructor and no further.
The C++ FAQ Lite covers this in sectio...
When to use Storyboard and when to use XIBs
Are there any guidelines on when to use storyboards in an iOS project and when to use XIBs? what are the pros and cons of each and what situations do they each suit?
...
How do I copy a string to the clipboard on Windows using Python?
...to make a basic Windows application that builds a string out of user input and then adds it to the clipboard. How do I copy a string to the clipboard using Python?
...
What is meaning of boolean value returned from an event-handling method in Android
In android, most event listener methods return a boolean value. What is that true/false value mean ? what will it result in to the subsequence events ?
...
How to access SOAP services from iPhone
I'm planning to develop an app for the iPhone and that app would have to access a couple of SOAP services. While doing some basic checking in the iPhone SDK I was not able to find any support for accessing SOAP services, a bit of Googling lead to the conclusion that there is no support for SOAP in t...
How can I determine the direction of a jQuery scroll event?
...his code ? If you scroll down your page, let say 500PX. Go to another page and then back to initial page. Some browsers keep the scroll position and will bring you back down the page. Will you have a starting lastScrollTop at 0 or will it be properly initialised ??
– TCHdvlp
...
How can I list ALL grants a user received?
... It would be interesting to left join the role_role_privs table and then CONNECT BY PRIOR granted_role = role to recurse into transitive role privileges...
– Lukas Eder
Oct 9 '14 at 8:25
...
Is there an XSLT name-of element?
...y did point the subtle difference in the semantics of the functions name() and local-name().
name(someNode) returns the full
name of the node, and that includes
the prefix and colon in case the node
is an element or an attribute.
local-name(someNode) returns only
the local name of the node, and th...
How to place div side by side
... width. Inside that i would like to have two divs, one that is fixed width and the other that fills the rest of the space. How do i float the second div to fill the rest of the space. Thanks for any help.
...