大约有 40,000 项符合查询结果(耗时:0.0333秒) [XML]
If i synchronized two methods on the same class, can they run simultaneously?
...reads are shut out of all synchronized instance methods on that object.
In order for the two methods to run concurrently they would have to use different locks, like this:
class A {
private final Object lockA = new Object();
private final Object lockB = new Object();
public void methodA...
Difference between numpy.array shape (R, 1) and (R,)
... slowly. If you prefer this to be the other way round, you can specify the order parameter:
>>> c = a.reshape((3, 4), order='F')
which results in an array indexed like this:
i= 0 1 2 0 1 2 0 1 2 0 1 2
j= 0 0 0 1 1 1 2 2 2 3 ...
Where can I get a “useful” C++ binary search algorithm?
...ound
}
Another solution would be to use a std::set, which guarantees the ordering of the elements and provides a method iterator find(T key) that returns an iterator to the given item. However, your requirements might not be compatible with the use of a set (for example if you need to store the sa...
How to override the copy/deepcopy operations for a Python object?
...The copy module does
not use the copy_reg registration
module.
In order for a class to define its own
copy implementation, it can define
special methods __copy__() and
__deepcopy__(). The former is called to implement the shallow copy
operation; no additional arguments are
passed....
Static linking vs dynamic linking
... Don't get it. Could you give me more source (or elaborate more) in order to appreciate what you wrote?
– Baskaya
Oct 23 '15 at 21:27
4
...
How to run travis-ci locally
...le change to .travis.yml and every little change I make to the source in order to run the build. With jenkins you can download jenkins and run locally. Does travis offer something like this?
...
How to use ng-repeat for dictionaries in AngularJs?
...mely, special repeat start and end points. That functionality was added in order to repeat a series of HTML elements instead of just a single parent HTML element.
In order to use repeater start and end points you have to define them by using ng-repeat-start and ng-repeat-end directives respectively...
How to optimize for-comprehensions and loops in Scala?
... loops, Scala's for comprehensions are actually syntactic sugar for higher-order methods; in this case, you're calling the foreach method on a Range object. Scala's for is very general, but sometimes leads to painful performance.
You might want to try the -optimize flag in Scala version 2.9. Observ...
innerText vs innerHTML vs label vs text vs textContent vs outerText
...t will.
innerHTML returns the HTML as its name indicates. Quite often, in order to retrieve or write text within an element, people use innerHTML. textContent should be used instead. Because the text is not parsed as HTML, it's likely to have better performance. Moreover, this avoids an XSS attack ...
ElasticSearch - Return Unique Values
...ed my answer with an example result. You can/should also set "size": 0, in order to not include any of the documents, only the aggregated results you wanted.
– Anton
Aug 24 '14 at 12:15
...
