大约有 19,000 项符合查询结果(耗时:0.0444秒) [XML]
Best way to convert IList or IEnumerable to Array
...callers do know it, make the method generic and try this:
public static void T[] PerformQuery<T>()
{
IEnumerable query = ...;
T[] array = query.Cast<T>().ToArray();
return array;
}
share
|
...
Multiple inheritance for an anonymous class
...java.lang.Object.
For example:
Runnable r = new Runnable() {
public void run() { ... }
};
Here, r is an object of an anonymous class which implements Runnable.
An anonymous class can extend another class using the same syntax:
SomeClass x = new SomeClass() {
...
};
What you can't do is...
What is the difference between .map, .every, and .forEach?
... returns a boolean - true if every element in this array satisfies the provided testing function. An important difference with .every() is that the test function may not always be called for every element in the array. Once the testing function returns false for any element, no more array elements...
How do you get current active/default Environment profile programmatically in Spring?
...is approach is that it won't get all of the profiles that Spring might consider when evaluating @Profile. Apps can also use the spring.profiles.include property, and can set profiles programmatically during initialization using ConfigurableEnvironment. Environment.getActiveProfiles() will get the ...
Save classifier to disk in scikit-learn
...ckle
# save the classifier
with open('my_dumped_classifier.pkl', 'wb') as fid:
cPickle.dump(gnb, fid)
# load it again
with open('my_dumped_classifier.pkl', 'rb') as fid:
gnb_loaded = cPickle.load(fid)
share
...
Exclude a sub-directory using find
...
Thank you for this code snippet, which might provide some limited short-term help. A proper explanation would greatly improve its long-term value by showing why this is a good solution to the problem, and would make it more useful to future readers with other, similar quest...
Bootstrap 3 - Why is row class is wider than its container?
...ifficult time
understanding how the row class works.
Is there a way to avoid the padding-left and padding-right ?
6 Ans...
How do I create an immutable Class?
...e case, you should copy away whatever state you will want to retain and avoid returning entire mutable objects, unless you copy them before giving them back to the caller - another option is to return only immutable "sections" of the mutable object - thanks to @Brian Rasmussen for encouraging me to ...
Where is Erlang used and why? [closed]
...
From Programming Erlang:
alt text http://bks8.books.google.com/books?id=Qr_WuvfTSpEC&printsec=frontcover&img=1&zoom=5&sig=ACfU3U2F4YY4KqO0vCuZ4WEZjdE2yFFvvg
Many companies are using Erlang in their production systems:
• Amazon uses Erlang to implement SimpleDB, providing data...
Should I use Python 32bit or Python 64bit
...rio, the 64 bits performs better with the inconvenient that John La Rooy said; if not, stick with the 32 bits.
share
|
improve this answer
|
follow
|
...
