大约有 15,500 项符合查询结果（耗时：0.0406秒） [XML]
Traits vs. interfaces
...
Except that traits are not interfaces at all. Interfaces are specification that can be checked against. Traits cannot be checked against, hence they are implementation only. They are the exact opposite of interfaces. That ...
What algorithm does Readability use for extracting text from URLs?
For a while, I've been trying to find a way of intelligently extracting the "relevant" text from a URL by eliminating the text related to ads and all the other clutter.After several months of researching, I gave it up as a problem that cannot be accurately determined. (I've tried different ways but ...
Is recursion a feature in and of itself?
... a feature that was supposed to be a learning outcome for his course. For example, maybe you didn't use iteration at all, or maybe you only used for loops instead of using both for and while. It's common that an assignment aims to test your ability to do certain things, and if you avoid doing them, ...
Is Java “pass-by-reference” or “pass-by-value”?
...
1
2
3
Next
6014
...
How to get JSON response from http.Get
...fer r.Body.Close()
return json.NewDecoder(r.Body).Decode(target)
}
Example use:
type Foo struct {
Bar string
}
func main() {
foo1 := new(Foo) // or &Foo{}
getJson("http://example.com", foo1)
println(foo1.Bar)
// alternately:
foo2 := Foo{}
getJson("http://ex...
Checking if an Android application is running in the background
...solution if you'd like to check activity visibility from the service).
Example
Implement custom Application class (note the isActivityVisible() static method):
public class MyApplication extends Application {
public static boolean isActivityVisible() {
return activityVisible;
}
pub...
How is __eq__ handled in Python and in what order?
...
The a == b expression invokes A.__eq__, since it exists. Its code includes self.value == other. Since int's don't know how to compare themselves to B's, Python tries invoking B.__eq__ to see if it knows how to compare itself to an int....
Differences between Perl and PHP [closed]
.... Some differences, grouped roughly by subject:
Perl has native regular expression support, including regexp literals. PHP uses Perl's regexp functions as an extension.
Perl has quite a few more operators, including matching (=~, !~), quote-like (qw, qx &c.), exponentiation (**), string repeti...
File name? Path name? Base name? Naming standard for pieces of a path
...ndard" naming convention will be in vain. Here are my proposals, based on existing, well-known programs:
A) C:\users\OddThinking\Documents\My Source\Widget\foo.src
Vim calls it file root (:help filename-modifiers)
B) C:\users\OddThinking\Documents\My Source\Widget\foo.src
file name or bas...
If Python is interpreted, what are .pyc files?
... is what the Python interpreter compiles the source to. This code is then executed by Python's virtual machine.
Python's documentation explains the definition like this:
Python is an interpreted language, as
opposed to a compiled one, though the
distinction can be blurry because of
the p...