大约有 15,630 项符合查询结果(耗时:0.0457秒) [XML]
What is a typedef enum in Objective-C?
...mple:
enum tagname x; // declare x of type 'enum tagname'
tagname x; // ERROR in C/Objective-C, OK in C++
In order to avoid having to use the enum keyword everywhere, a typedef can be created:
enum tagname { ... };
typedef enum tagname tagname; // declare 'tagname' as a typedef for 'enum tagn...
Copy the entire contents of a directory in C#
...to assemble the parameters for xcopy as string, which introduces plenty of error potential. Also the sample does not mention any error handling for the results of the started process, which i would expect, because contrary to other methods this would fail silently.
– cel sharp
...
Dynamic validation and name in a form with AngularJS
...ame="foo" ng-model="item.foo" />
<span ng-show="innerForm.foo.$error.required">required</span>
</ng-form>
</div>
<input type="submit" ng-disabled="outerForm.$invalid" />
</form>
Sadly, it's just not a well-documented feature of Angular.
...
Sublime 3 - Set Key map for function Goto Definition
...still It not working i'm ctrl + click and its not doing anything, I get an error Unable to parse binding
– Kivylius
Jun 11 '13 at 15:13
...
How to use a dot “.” to access members of dictionary?
...ehave differently from common expectations in that it won't raise AttributeError if the attribute does not exist. Instead it will return None.
– mic_e
Aug 1 '16 at 10:45
...
What is a “callable”?
... given object is callable or not; or better yet just call it and catch TypeError later. callable is removed in Python 3.0 and 3.1, use callable = lambda o: hasattr(o, '__call__') or isinstance(o, collections.Callable).
Example, a simplistic cache implementation:
class Cached:
def __init__(self...
How do I define and use an ENUM in Objective-C?
...tate thePlayerState; and used the variable in my methods. But I am getting errors stating that it is undeclared. How do I correctly declare and use a variable of type PlayerState in my methods?:
...
PostgreSQL: Modify OWNER on all tables simultaneously in PostgreSQL
...d to a database that I created (i.e. not a system database), it says this: ERROR: cannot reassign ownership of objects owned by role postgres because they are required by the database system
– thnee
Mar 8 '13 at 23:19
...
What are all the uses of an underscore in Scala?
...: A => Unit)
val set: Set[_ => Unit]
set.foreach(process _) // Error
set.foreach(process(_)) // No Error
}
In the first case, process _ represents a method; Scala takes the polymorphic method and attempts to make it monomorphic by filling in the type parameter, but realizes that the...
Facebook Android Generate Key Hash
...
I am getting this: keytool error: java.io.IOException: Keystore was tampered with, or password was incorrect.How can i find my correct password?
– DuyguK
Feb 10 '13 at 19:11
...