大约有 41,000 项符合查询结果（耗时：0.0909秒） [XML]
What is a 'SAM type' in Java?
...ract method", and "SAM-type" refers to interfaces like Runnable, Callable, etc. Lambda expressions, a new feature in Java 8, are considered a SAM type and can be freely converted to them.
For example, with an interface like this:
public interface Callable<T> {
public T call();
}
You ca...
Why git AuthorDate is different from CommitDate?
...
The author date on a commit is preserved on rebase / cherry-pick etc. But the commit date is changed.
share
|
improve this answer
|
follow
|
...
How do I sort a list by different parameters at different timed
... }
};
}
public static Comparator<Person> getComparator(final PersonComparator... multipleOptions) {
return new Comparator<Person>() {
public int compare(Person o1, Person o2) {
for (PersonComparator option : multipleOptions) ...
How to pass command line argument to gnuplot?
...= ARG5+0 # Type coercion required for data series
resulty = 0.02 # fixed
# etc.
This executes perfectly well from command-line in an environment with a recent gnuplot (5.0.3 in my case).
$ ./plotStuff.gp 'output.png' 2.3 6.7 4.3 7
When uploaded to my server and executed, it failed because the s...
What does the explicit keyword mean?
...
The compiler is allowed to make one implicit conversion to resolve the parameters to a function. What this means is that the compiler can use constructors callable with a single parameter to convert from one type to another in order to get t...
how to listen to N channels? (dynamic select statement)
...
Maybe it's my incompetency, but I found this pattern really hard to work with when you are sending & receiving complex structures through the channel. Passing a shared "aggregate" channel, as Tim Allclair said, was much easier in my case.
– Bora M. Alper...
What is the difference between self-types and trait subclasses?
...is extended, then you're required to mix-in an A.
When a concrete class finally extends/mixes-in these traits, some class/trait must implement A.
Consider the following examples:
scala> trait User { def name: String }
defined trait User
scala> trait Tweeter {
| user: User =>
...
Generate a random double in a range
...
This is generally correct, but beware of its limits. If you do double rangeMax= Double.MAX_VALUE; and double rangeMin= -rangeMax; you will always get an infinite value in return. You might want to check for Double.valueOf(rangeMax-range...
What is the difference between MySQL Server and MySQL Client
...n. I also use Navicat for MySQL, which is a GUI for creating new databases etc.
– Charles Robertson
Dec 6 '19 at 22:20
add a comment
|
...
How to specify an element after which to wrap in css flexbox? [duplicate]
...nly add more specific breakpoints as it shrinks (when it should go to 33%, etc).
– theazureshadow
Oct 24 '13 at 21:58
...