大约有 8,000 项符合查询结果（耗时：0.0413秒） [XML]
How to avoid passing parameters everywhere in play2?
...chieve it: through actions composition or by using implicit parameters. In Java I suggest using the Http.Context.args map to store useful values and retrieve them from the templates without having to explicitly pass as templates parameters.
Using implicit parameters
Place the menus parameter at th...
Java inner class and static nested class
...is the main difference between an inner class and a static nested class in Java? Does design / implementation play a role in choosing one of these?
...
Including jars in classpath on commandline (javac or apt)
... to setup all of the web service stuff I need to run apt. (Although using javac I am having the same issue). I think what I am getting is compile errors. (Shown at bottom).
...
Is it better in C++ to pass by value or pass by constant reference?
...
98
Edit: New article by Dave Abrahams on cpp-next: Want speed? Pass by value.
Pass by value for...
Why is Java's Iterator not an Iterable?
...urn iterator;
}
}
return new SingleUseIterable();
}
In Java 8 adapting an Iterator to an Iterable gets simpler:
for (String s : (Iterable<String>) () -> iterator) {
share
|
...
How to write to a file in Scala?
... File - File is a File (called Path) API that is based on a combination of Java 7 NIO filesystem and SBT PathFinder APIs.
Path and FileSystem are the main entry points into the Scala IO File API.
import scalax.io._
val output:Output = Resource.fromFile("someFile")
// Note: each write will o...
Java: how to initialize String[]?
...
I believe you just migrated from C++, Well in java you have to initialize a data type(other then primitive types and String is not a considered as a primitive type in java ) to use them as according to their specifications if you don't then its just like an empty referen...
How do CDI and EJB compare? interact?
...anaged by EJB container.
Seems that CDI does understand what EJB is, so in Java EE 6 compliant server, in your servlet you can write both
@EJB EJBService ejbService;
and
@Inject EJBService ejbService;
that's what can make you confusing, but that's probably the only thing which is the bridge betwee...
CSS: bolding some text without changing its container's size
... now supports sub-pixel accuracy. So you can fine tune the spacing using 0.98px or smaller fractions.
– Reactgular
Aug 3 '16 at 23:10
...
Why java.util.Optional is not Serializable, how to serialize the object with such fields
...o serialize object with enums. The other case is where class has fields of java.util.Optional class. In this case the following exception is thrown: java.io.NotSerializableException: java.util.Optional
...