大约有 16,000 项符合查询结果（耗时：0.0275秒） [XML]
Exception thrown in NSOrderedSet generated accessors
... @DerekH isEqualToSet is a method only NSSet has, so my guess is you've converted, created, or are treating a pointer as an NSArray before passing back to the NSManagedObject, which should if any reason be calling isEqualToOrderedSet to determine if the set needs to even change or be left as is.
...
Logging framework incompatibility
...
Just for interest of anyone else following: I ended up with a red arrow in the dependency graph because even the latest logback-core insists on slf4j-1.6.0. It took some more diddling around with versions until all the red arrows disa...
How do I return multiple values from a function? [closed]
...a similar builtin example.
>>> import collections
>>> Point = collections.namedtuple('Point', ['x', 'y'])
>>> p = Point(1, y=2)
>>> p.x, p.y
1 2
>>> p[0], p[1]
1 2
In recent versions of Python 3 (3.6+, I think), the new typing library got the NamedTupl...
Why use String.Format? [duplicate]
...fic number of + operators all specified in a single expression it will be converted, by the compiler, into a single call to string.Concat, and there will not be any intermediate strings created. Using a StringBuilder would in fact hurt performance, not help it, since Concat can create an internal ...
How to get the date from jQuery UI datepicker
...st parameter is in this case the selected Date as String. Use parseDate to convert it to a JS Date Object.
See http://docs.jquery.com/UI/Datepicker for the full jQuery UI DatePicker reference.
share
|
...
What is the native keyword in Java for?
...icate that the method is implemented in native code using JNI (Java Native Interface).
share
|
improve this answer
|
follow
|
...
Nesting await in Parallel.ForEach
...ix” that by blocking the ForEach() threads, but that defeats the whole point of async-await.
What you could do is to use TPL Dataflow instead of Parallel.ForEach(), which supports asynchronous Tasks well.
Specifically, your code could be written using a TransformBlock that transforms each id int...
MySQL: how to get the difference between two timestamps in seconds
...nd the expression.
Alternatively, you can use TIMEDIFF(ts1, ts2) and then convert the time result to seconds with TIME_TO_SEC().
share
|
improve this answer
|
follow
...
Error java.lang.OutOfMemoryError: GC overhead limit exceeded
...t'll be hard to tell which one is misbehaving. Separating the applications into distinct JVMs might be the easiest solution.
– Joachim Sauer
Mar 1 '12 at 11:48
...
What is the advantage of using abstract classes instead of traits?
...ure even traits can have constructor parameters
Abstract classes are fully interoperable with Java. You can call them from Java code without any wrappers. Traits are fully interoperable only if they do not contain any implementation code
...